int main(int argc, char *argv[])
{
int i;
#ifdef COMPILE_WITH_GUI
bool gui = false;
#endif
bool verbose = false;
bool keep_lastiling = false;
U32 chopchop = 0;
bool projection_was_set = false;
double start_time = 0;
LASreadOpener lasreadopener;
GeoProjectionConverter geoprojectionconverter;
LASwriteOpener laswriteopener;
if (argc == 1)
{
#ifdef COMPILE_WITH_GUI
return lasmerge_gui(argc, argv, 0);
#else
fprintf(stderr,"%s is better run in the command line\n", argv[0]);
char file_name[256];
fprintf(stderr,"enter input file 1: ");
fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.add_file_name(file_name);
fprintf(stderr,"enter input file 2: ");
fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.add_file_name(file_name);
fprintf(stderr,"enter output file: ");
fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
laswriteopener.set_file_name(file_name);
#endif
}
else
{
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '–') argv[i][0] = '-';
}
if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
if (!lasreadopener.parse(argc, argv)) byebye(true);
if (!laswriteopener.parse(argc, argv)) byebye(true);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '\0')
{
continue;
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
usage();
}
else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
{
verbose = true;
}
else if (strcmp(argv[i],"-version") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
byebye();
}
else if (strcmp(argv[i],"-gui") == 0)
{
#ifdef COMPILE_WITH_GUI
gui = true;
#else
fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
}
else if (strcmp(argv[i],"-split") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
byebye(true);
}
i++;
chopchop = atoi(argv[i]);
}
else if (strcmp(argv[i],"-keep_lastiling") == 0)
{
keep_lastiling = true;
}
else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
{
lasreadopener.add_file_name(argv[i]);
argv[i][0] = '\0';
}
else
{
fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
byebye(true);
}
}
#ifdef COMPILE_WITH_GUI
if (gui)
{
return lasmerge_gui(argc, argv, &lasreadopener);
}
#endif
// read all the input files merged
lasreadopener.set_merged(TRUE);
// maybe we want to keep the lastiling
if (keep_lastiling)
{
lasreadopener.set_keep_lastiling(TRUE);
}
// we need to precompute the bounding box
lasreadopener.set_populate_header(TRUE);
// check input and output
if (!lasreadopener.active())
{
fprintf(stderr, "ERROR: no input specified\n");
byebye(true, argc==1);
}
if (!laswriteopener.active())
{
fprintf(stderr, "ERROR: no output specified\n");
byebye(true, argc==1);
}
// make sure we do not corrupt the input file
if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
{
fprintf(stderr, "ERROR: input and output file name are identical\n");
usage(true);
}
// check if projection info was set in the command line
int number_of_keys;
GeoProjectionGeoKeys* geo_keys = 0;
int num_geo_double_params;
double* geo_double_params = 0;
if (geoprojectionconverter.has_projection())
{
projection_was_set = geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params);
}
if (verbose) start_time = taketime();
LASreader* lasreader = lasreadopener.open();
if (lasreader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
byebye(true, argc==1);
}
#ifdef _WIN32
if (verbose) {
fprintf(stderr,"merging headers took %g sec. there are %I64d points in total.\n", taketime()-start_time, lasreader->npoints);
start_time = taketime();
}
#else
if (verbose) {
fprintf(stderr,"merging headers took %g sec. there are %lld points in total.\n", taketime()-start_time, lasreader->npoints);
start_time = taketime();
}
#endif
// prepare the header for the surviving points
strncpy(lasreader->header.system_identifier, "LAStools (c) by rapidlasso GmbH", 32);
lasreader->header.system_identifier[31] = '\0';
char temp[64];
sprintf(temp, "lasmerge (version %d)", LAS_TOOLS_VERSION);
strncpy(lasreader->header.generating_software, temp, 32);
lasreader->header.generating_software[31] = '\0';
if (projection_was_set)
{
lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
free(geo_keys);
if (geo_double_params)
{
lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
free(geo_double_params);
}
else
{
lasreader->header.del_geo_double_params();
}
lasreader->header.del_geo_ascii_params();
}
if (chopchop)
{
I32 file_number = 0;
LASwriter* laswriter = 0;
// loop over the points
while (lasreader->read_point())
{
if (laswriter == 0)
{
// open the next writer
laswriteopener.make_file_name(0, file_number);
file_number++;
laswriter = laswriteopener.open(&lasreader->header);
}
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
if (laswriter->p_count == chopchop)
{
// close the current writer
laswriter->update_header(&lasreader->header, TRUE);
laswriter->close();
if (verbose) {
fprintf(stderr,"splitting file '%s' took %g sec.\n", laswriteopener.get_file_name(), taketime()-start_time);
start_time = taketime();
}
delete laswriter;
laswriter = 0;
}
}
if (laswriter && laswriter->p_count)
{
// close the current writer
laswriter->update_header(&lasreader->header, TRUE);
laswriter->close();
if (verbose) {
fprintf(stderr,"splitting file '%s' took %g sec.\n", laswriteopener.get_file_name(), taketime()-start_time);
start_time = taketime();
}
delete laswriter;
laswriter = 0;
}
}
else
{
// open the writer
LASwriter* laswriter = laswriteopener.open(&lasreader->header);
if (laswriter == 0)
{
fprintf(stderr, "ERROR: could not open laswriter\n");
byebye(true, argc==1);
}
// loop over the points
while (lasreader->read_point())
{
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
}
// close the writer
laswriter->update_header(&lasreader->header, TRUE);
laswriter->close();
if (verbose) fprintf(stderr,"merging files took %g sec.\n", taketime()-start_time);
delete laswriter;
}
lasreader->close();
delete lasreader;
byebye(false, argc==1);
return 0;
}
int main(int argc, char *argv[])
{
int i;
#ifdef COMPILE_WITH_GUI
bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
I32 cores = 1;
#endif
bool verbose = false;
bool report_diff = true;
bool report_diff_diff = false;
bool report_x = true;
bool report_y = true;
bool report_z = true;
bool report_gps = false;
bool report_rgb = false;
bool output = false;
U32 report_lines = 20;
U32 array_max = 5000000;
bool projection_was_set = false;
double start_time = 0;
double full_start_time = 0;
LASreadOpener lasreadopener;
GeoProjectionConverter geoprojectionconverter;
LASwriteOpener laswriteopener;
if (argc == 1)
{
#ifdef COMPILE_WITH_GUI
return lasprecision_gui(argc, argv, 0);
#else
fprintf(stderr,"lasprecision.exe is better run in the command line\n");
char file_name[256];
fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.set_file_name(file_name);
fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
laswriteopener.set_file_name(file_name);
#endif
}
else
{
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '–') argv[i][0] = '-';
if (strcmp(argv[i],"-o") == 0 || strcmp(argv[i],"-olas") == 0 || strcmp(argv[i],"-olaz") == 0 || strcmp(argv[i],"-obin") == 0 || strcmp(argv[i],"-otxt") == 0 || strcmp(argv[i],"-reoffset") == 0 || strcmp(argv[i],"-rescale") == 0)
{
output = true;
break;
}
}
if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
if (!lasreadopener.parse(argc, argv)) byebye(true);
if (!laswriteopener.parse(argc, argv)) byebye(true);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '\0')
{
continue;
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
usage();
}
else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
{
verbose = true;
}
else if (strcmp(argv[i],"-version") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
byebye();
}
else if (strcmp(argv[i],"-gui") == 0)
{
#ifdef COMPILE_WITH_GUI
gui = true;
#else
fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
}
else if (strcmp(argv[i],"-cores") == 0)
{
#ifdef COMPILE_WITH_MULTI_CORE
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
usage(true);
}
argv[i][0] = '\0';
i++;
cores = atoi(argv[i]);
argv[i][0] = '\0';
#else
fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
i++;
#endif
}
else if ((strcmp(argv[i],"-diff_diff") == 0) || (strcmp(argv[i],"-diff_diff_only") == 0))
{
report_diff_diff = true;
report_diff = false;
}
else if (strcmp(argv[i],"-no_x") == 0)
{
report_x = false;
}
else if (strcmp(argv[i],"-no_y") == 0)
{
report_y = false;
}
else if (strcmp(argv[i],"-no_z") == 0)
{
report_z = false;
}
else if (strcmp(argv[i],"-gps") == 0)
{
report_gps = true;
}
else if (strcmp(argv[i],"-rgb") == 0)
{
report_rgb = true;
}
else if (strcmp(argv[i],"-number") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: max\n", argv[i]);
byebye(true);
}
i++;
array_max = atoi(argv[i]);
}
else if (strcmp(argv[i],"-lines") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
byebye(true);
}
i++;
report_lines = atoi(argv[i]);
}
else if (strcmp(argv[i],"-all") == 0)
{
array_max = U32_MAX;
}
else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
{
lasreadopener.add_file_name(argv[i]);
argv[i][0] = '\0';
}
else
{
fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
byebye(true);
}
}
#ifdef COMPILE_WITH_GUI
if (gui)
{
return lasprecision_gui(argc, argv, &lasreadopener);
}
#endif
#ifdef COMPILE_WITH_MULTI_CORE
if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.is_merged()))
{
return lasprecision_multi_core(argc, argv, &geoprojectionconverter, &lasreadopener, &laswriteopener, cores);
}
#endif
// check input
if (!lasreadopener.active())
{
fprintf(stderr, "ERROR: no input specified\n");
byebye(true, argc==1);
}
// make sure we do not corrupt the input file
if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
{
fprintf(stderr, "ERROR: input and output file name are identical\n");
usage(true);
}
// check if projection info was set in the command line
int number_of_keys;
GeoProjectionGeoKeys* geo_keys = 0;
int num_geo_double_params;
double* geo_double_params = 0;
if (geoprojectionconverter.has_projection())
{
projection_was_set = geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params);
}
// possibly loop over multiple input files
while (lasreadopener.active())
{
if (verbose) full_start_time = start_time = taketime();
// open lasreader
LASreader* lasreader = lasreadopener.open();
if (lasreader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
byebye(true, argc==1);
}
// run presicion statistics across the first array_max points
if (!output)
{
fprintf(stdout, "original scale factors: %g %g %g\n", lasreader->header.x_scale_factor, lasreader->header.y_scale_factor, lasreader->header.z_scale_factor);
// create the arrays
int* array_x = 0;
int* array_y = 0;
int* array_z = 0;
if (report_x)
{
array_x = new int[array_max];
}
if (report_y)
{
array_y = new int[array_max];
}
if (report_z)
{
array_z = new int[array_max];
}
double* array_gps = 0;
if (report_gps && lasreader->point.have_gps_time)
{
array_gps = new double[array_max];
}
short* array_r = 0;
short* array_g = 0;
short* array_b = 0;
if (report_rgb && lasreader->point.have_rgb)
{
array_r = new short[array_max];
array_g = new short[array_max];
array_b = new short[array_max];
}
// do the first pass
fprintf(stderr, "loading first %u of %u points\n", array_max, (U32)lasreader->npoints);
// loop over points
unsigned int array_count = 0;
while ((lasreader->read_point()) && (array_count < array_max))
{
if (report_x)
{
array_x[array_count] = lasreader->point.get_X();
}
if (report_y)
{
array_y[array_count] = lasreader->point.get_Y();
}
if (report_z)
{
array_z[array_count] = lasreader->point.get_Z();
}
if (report_gps && lasreader->point.have_gps_time)
{
array_gps[array_count] = lasreader->point.gps_time;
}
if (report_rgb && lasreader->point.have_rgb)
{
array_r[array_count] = lasreader->point.rgb[0];
array_g[array_count] = lasreader->point.rgb[1];
array_b[array_count] = lasreader->point.rgb[2];
}
array_count++;
}
array_max = array_count;
// sort values
if (report_x)
{
quicksort_for_ints(array_x, 0, array_max-1);
}
if (report_y)
{
quicksort_for_ints(array_y, 0, array_max-1);
}
if (report_z)
{
quicksort_for_ints(array_z, 0, array_max-1);
}
if (report_gps && lasreader->point.have_gps_time)
{
quicksort_for_doubles(array_gps, 0, array_max-1);
}
if (report_rgb && lasreader->point.have_rgb)
{
quicksort_for_shorts(array_r, 0, array_max-1);
quicksort_for_shorts(array_g, 0, array_max-1);
quicksort_for_shorts(array_b, 0, array_max-1);
}
// create differences
if (report_x)
{
for (array_count = 1; array_count < array_max; array_count++)
{
array_x[array_count-1] = array_x[array_count] - array_x[array_count-1];
}
}
if (report_y)
{
for (array_count = 1; array_count < array_max; array_count++)
{
array_y[array_count-1] = array_y[array_count] - array_y[array_count-1];
}
}
if (report_z)
{
for (array_count = 1; array_count < array_max; array_count++)
{
array_z[array_count-1] = array_z[array_count] - array_z[array_count-1];
}
}
if (report_gps && lasreader->point.have_gps_time)
{
for (array_count = 1; array_count < array_max; array_count++)
{
array_gps[array_count-1] = array_gps[array_count] - array_gps[array_count-1];
}
}
if (report_rgb && lasreader->point.have_rgb)
{
for (array_count = 1; array_count < array_max; array_count++)
{
array_r[array_count-1] = array_r[array_count] - array_r[array_count-1];
array_g[array_count-1] = array_g[array_count] - array_g[array_count-1];
array_b[array_count-1] = array_b[array_count] - array_b[array_count-1];
}
}
// sort differences
if (report_x)
{
quicksort_for_ints(array_x, 0, array_max-2);
}
if (report_y)
{
quicksort_for_ints(array_y, 0, array_max-2);
}
if (report_z)
{
quicksort_for_ints(array_z, 0, array_max-2);
}
if (report_gps && lasreader->point.have_gps_time)
{
quicksort_for_doubles(array_gps, 0, array_max-2);
}
if (report_rgb && lasreader->point.have_rgb)
{
quicksort_for_shorts(array_r, 0, array_max-2);
quicksort_for_shorts(array_g, 0, array_max-2);
quicksort_for_shorts(array_b, 0, array_max-2);
}
// compute difference of differences, sort them, output histogram
// first for X & Y & Z
unsigned int count_lines, array_last, array_first;
if (report_x)
{
if (report_diff) fprintf(stdout, "X differences \n");
for (count_lines = 0, array_first = 0, array_last = 0, array_count = 1; array_count < array_max; array_count++)
{
if (array_x[array_last] != array_x[array_count])
{
if (report_diff && (count_lines < report_lines)) { count_lines++; fprintf(stdout, " %10d : %10d %g\n", array_x[array_last], array_count - array_last, lasreader->header.x_scale_factor*array_x[array_last]); }
array_x[array_first] = array_x[array_count] - array_x[array_last];
array_last = array_count;
array_first++;
}
}
if (report_diff_diff)
{
fprintf(stdout, "X differences of differences\n");
quicksort_for_ints(array_x, 0, array_first-1);
for (array_last = 0, array_count = 1; array_count < array_first; array_count++)
{
if (array_x[array_last] != array_x[array_count])
{
fprintf(stdout, " %10d : %10d\n", array_x[array_last], array_count - array_last);
array_last = array_count;
}
}
}
}
if (report_y)
{
if (report_diff) fprintf(stdout, "Y differences \n");
for (count_lines = 0, array_first = 0, array_last = 0, array_count = 1; array_count < array_max; array_count++)
{
if (array_y[array_last] != array_y[array_count])
{
if (report_diff && (count_lines < report_lines)) { count_lines++; fprintf(stdout, " %10d : %10d %g\n", array_y[array_last], array_count - array_last, lasreader->header.y_scale_factor*array_y[array_last]); }
array_y[array_first] = array_y[array_count] - array_y[array_last];
array_last = array_count;
array_first++;
}
}
if (report_diff_diff)
{
fprintf(stdout, "Y differences of differences\n");
quicksort_for_ints(array_y, 0, array_first-1);
for (array_last = 0, array_count = 1; array_count < array_first; array_count++)
{
if (array_y[array_last] != array_y[array_count])
{
fprintf(stdout, " %10d : %10d\n", array_y[array_last], array_count - array_last);
array_last = array_count;
}
}
}
}
if (report_z)
{
if (report_diff) fprintf(stdout, "Z differences \n");
for (count_lines = 0, array_first = 0, array_last = 0, array_count = 1; array_count < array_max; array_count++)
{
if (array_z[array_last] != array_z[array_count])
{
if (report_diff && (count_lines < report_lines)) { count_lines++; fprintf(stdout, " %10d : %10d %g\n", array_z[array_last], array_count - array_last, lasreader->header.z_scale_factor*array_z[array_last]); }
array_z[array_first] = array_z[array_count] - array_z[array_last];
array_last = array_count;
array_first++;
}
}
if (report_diff_diff)
{
fprintf(stdout, "Z differences of differences\n");
quicksort_for_ints(array_z, 0, array_first-1);
for (array_last = 0, array_count = 1; array_count < array_first; array_count++)
{
if (array_z[array_last] != array_z[array_count])
{
fprintf(stdout, " %10d : %10d\n", array_z[array_last], array_count - array_last);
array_last = array_count;
}
}
}
}
// then for GPS
if (report_gps && lasreader->point.have_gps_time)
{
if (report_diff) fprintf(stdout, "GPS time differences \n");
for (array_first = 0, array_last = 0, array_count = 1; array_count < array_max; array_count++)
{
if (array_gps[array_last] != array_gps[array_count])
{
if (report_diff) fprintf(stdout, " %.10g : %10d\n", array_gps[array_last], array_count - array_last);
array_gps[array_first] = array_gps[array_count] - array_gps[array_last];
array_last = array_count;
array_first++;
}
}
if (report_diff_diff)
{
fprintf(stdout, "GPS time differences of differences\n");
quicksort_for_doubles(array_gps, 0, array_first-1);
for (array_last = 0, array_count = 1; array_count < array_first; array_count++)
{
if (array_gps[array_last] != array_gps[array_count])
{
fprintf(stdout, " %.10g : %10d\n", array_gps[array_last], array_count - array_last);
array_last = array_count;
}
}
}
}
// then for R & G & B
if (report_rgb && lasreader->point.have_rgb)
{
if (report_diff) fprintf(stdout, "R differences \n");
for (array_first = 0, array_last = 0, array_count = 1; array_count < array_max; array_count++)
{
if (array_r[array_last] != array_r[array_count])
{
if (report_diff) fprintf(stdout, " %10d : %10d\n", array_r[array_last], array_count - array_last);
array_r[array_first] = array_r[array_count] - array_r[array_last];
array_last = array_count;
array_first++;
}
}
if (report_diff_diff)
{
fprintf(stdout, "R differences of differences\n");
quicksort_for_shorts(array_r, 0, array_first-1);
for (array_last = 0, array_count = 1; array_count < array_first; array_count++)
{
if (array_r[array_last] != array_r[array_count])
{
fprintf(stdout, " %10d : %10d\n", array_r[array_last], array_count - array_last);
array_last = array_count;
}
}
}
if (report_diff) fprintf(stdout, "G differences \n");
for (array_first = 0, array_last = 0, array_count = 1; array_count < array_max; array_count++)
{
if (array_g[array_last] != array_g[array_count])
{
if (report_diff) fprintf(stdout, " %10d : %10d\n", array_g[array_last], array_count - array_last);
array_g[array_first] = array_g[array_count] - array_g[array_last];
array_last = array_count;
array_first++;
}
}
if (report_diff_diff)
{
fprintf(stdout, "G differences of differences\n");
quicksort_for_shorts(array_g, 0, array_first-1);
for (array_last = 0, array_count = 1; array_count < array_first; array_count++)
{
if (array_g[array_last] != array_g[array_count])
{
fprintf(stdout, " %10d : %10d\n", array_g[array_last], array_count - array_last);
array_last = array_count;
}
}
}
if (report_diff) fprintf(stdout, "B differences \n");
for (array_first = 0, array_last = 0, array_count = 1; array_count < array_max; array_count++)
{
if (array_b[array_last] != array_b[array_count])
{
if (report_diff) fprintf(stdout, " %10d : %10d\n", array_b[array_last], array_count - array_last);
array_b[array_first] = array_b[array_count] - array_b[array_last];
array_last = array_count;
array_first++;
}
}
if (report_diff_diff)
{
fprintf(stdout, "B differences of differences\n");
quicksort_for_shorts(array_b, 0, array_first-1);
for (array_last = 0, array_count = 1; array_count < array_first; array_count++)
{
if (array_b[array_last] != array_b[array_count])
{
fprintf(stdout, " %10d : %10d\n", array_b[array_last], array_count - array_last);
array_last = array_count;
}
}
}
}
if (array_x) delete [] array_x;
if (array_y) delete [] array_y;
if (array_z) delete [] array_z;
if (array_gps) delete [] array_gps;
if (array_r) delete [] array_r;
if (array_g) delete [] array_g;
if (array_b) delete [] array_b;
}
else
{
// check output
fprintf(stdout, "new scale factors: %g %g %g\n", lasreader->header.x_scale_factor, lasreader->header.y_scale_factor, lasreader->header.z_scale_factor);
// check output
if (!laswriteopener.active())
{
// create name from input name
laswriteopener.make_file_name(lasreadopener.get_file_name());
}
// prepare the header for the surviving points
strncpy(lasreader->header.system_identifier, "LAStools (c) by rapidlasso GmbH", 32);
lasreader->header.system_identifier[31] = '\0';
char temp[64];
sprintf(temp, "lasprecision (%d)", LAS_TOOLS_VERSION);
strncpy(lasreader->header.generating_software, temp, 32);
lasreader->header.generating_software[31] = '\0';
if (projection_was_set)
{
lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
if (geo_double_params)
{
lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
}
else
{
lasreader->header.del_geo_double_params();
}
lasreader->header.del_geo_ascii_params();
}
// open laswriter
LASwriter* laswriter = laswriteopener.open(&lasreader->header);
if (laswriter == 0)
{
fprintf(stderr, "ERROR: could not open laswriter\n");
usage(argc==1);
}
// loop over points
while (lasreader->read_point())
{
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
}
laswriter->update_header(&lasreader->header, TRUE);
laswriter->close();
delete laswriter;
laswriteopener.set_file_name(0);
}
lasreader->close();
delete lasreader;
}
if (projection_was_set)
{
free(geo_keys);
if (geo_double_params)
{
free(geo_double_params);
}
}
byebye(false, argc==1);
return 0;
}
int main(int argc, char *argv[])
{
int i;
#ifdef COMPILE_WITH_GUI
bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
I32 cores = 1;
#endif
bool verbose = false;
bool projection_was_set = false;
bool quiet = false;
int file_creation_day = -1;
int file_creation_year = -1;
int set_version_major = -1;
int set_version_minor = -1;
int set_classification = -1;
char* set_system_identifier = 0;
char* set_generating_software = 0;
bool set_ogc_wkt = false;
double start_time = 0.0;
LASreadOpener lasreadopener;
GeoProjectionConverter geoprojectionconverter;
LASwriteOpener laswriteopener;
if (argc == 1)
{
#ifdef COMPILE_WITH_GUI
return txt2las_gui(argc, argv, 0);
#else
char file_name[256];
fprintf(stderr,"%s is better run in the command line\n", argv[0]);
fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.set_file_name(file_name);
fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
laswriteopener.set_file_name(file_name);
#endif
}
else
{
// need to get those before lastransform->parse() routine gets them
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '–') argv[i][0] = '-';
if (strcmp(argv[i],"-scale_intensity") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: factor\n", argv[i]);
usage(true);
}
lasreadopener.set_scale_intensity((F32)atof(argv[i+1]));
*argv[i]='\0'; *argv[i+1]='\0'; i+=1;
}
else if (strcmp(argv[i],"-translate_intensity") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: offset\n", argv[i]);
usage(true);
}
lasreadopener.set_translate_intensity((F32)atof(argv[i+1]));
*argv[i]='\0'; *argv[i+1]='\0'; i+=1;
}
else if (strcmp(argv[i],"-translate_then_scale_intensity") == 0)
{
if ((i+2) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 2 arguments: offset factor\n", argv[i]);
usage(true);
}
lasreadopener.set_translate_intensity((F32)atof(argv[i+1]));
lasreadopener.set_scale_intensity((F32)atof(argv[i+2]));
*argv[i]='\0'; *argv[i+1]='\0'; *argv[i+2]='\0'; i+=2;
}
else if (strcmp(argv[i],"-scale_scan_angle") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: factor\n", argv[i]);
usage(true);
}
lasreadopener.set_scale_scan_angle((F32)atof(argv[i+1]));
*argv[i]='\0'; *argv[i+1]='\0'; i+=1;
}
}
if (!lasreadopener.parse(argc, argv)) byebye(true);
if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
if (!laswriteopener.parse(argc, argv)) byebye(true);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '\0')
{
continue;
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
usage();
}
else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
{
verbose = true;
}
else if (strcmp(argv[i],"-version") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
byebye();
}
else if (strcmp(argv[i],"-gui") == 0)
{
#ifdef COMPILE_WITH_GUI
gui = true;
#else
fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
}
else if (strcmp(argv[i],"-cores") == 0)
{
#ifdef COMPILE_WITH_MULTI_CORE
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
usage(true);
}
argv[i][0] = '\0';
i++;
cores = atoi(argv[i]);
argv[i][0] = '\0';
#else
fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
i++;
#endif
}
else if (strcmp(argv[i],"-quiet") == 0)
{
quiet = true;
}
else if (strcmp(argv[i],"-parse") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: parse_string\n", argv[i]);
usage(true);
}
i++;
lasreadopener.set_parse_string(argv[i]);
}
else if (strcmp(argv[i],"-skip") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number_of_lines\n", argv[i]);
usage(true);
}
i++;
lasreadopener.set_skip_lines(atoi(argv[i]));
}
else if (strcmp(argv[i],"-set_scale") == 0)
{
if ((i+3) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 3 arguments: x y z\n", argv[i]);
usage(true);
}
F64 scale_factor[3];
i++;
sscanf(argv[i], "%lf", &(scale_factor[0]));
i++;
sscanf(argv[i], "%lf", &(scale_factor[1]));
i++;
sscanf(argv[i], "%lf", &(scale_factor[2]));
lasreadopener.set_scale_factor(scale_factor);
}
else if (strcmp(argv[i],"-set_offset") == 0)
{
if ((i+3) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 3 arguments: x y z\n", argv[i]);
usage(true);
}
F64 offset[3];
i++;
sscanf(argv[i], "%lf", &(offset[0]));
i++;
sscanf(argv[i], "%lf", &(offset[1]));
i++;
sscanf(argv[i], "%lf", &(offset[2]));
lasreadopener.set_offset(offset);
}
else if (strcmp(argv[i],"-add_extra") == 0 || strcmp(argv[i],"-add_attribute") == 0)
{
if ((i+3) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs at least 3 arguments: data_type name description\n", argv[i]);
usage(true);
}
if (((i+4) < argc) && (atof(argv[i+4]) != 0.0))
{
if (((i+5) < argc) && ((atof(argv[i+5]) != 0.0) || (strcmp(argv[i+5], "0") == 0) || (strcmp(argv[i+5], "0.0") == 0)))
{
if (((i+6) < argc) && (atof(argv[i+6]) != 0.0))
{
if (((i+7) < argc) && ((atof(argv[i+7]) != 0.0) || (strcmp(argv[i+7], "0") == 0) || (strcmp(argv[i+7], "0.0") == 0)))
{
lasreadopener.add_attribute(atoi(argv[i+1]), argv[i+2], argv[i+3], atof(argv[i+4]), atof(argv[i+5]), atof(argv[i+6]), atof(argv[i+7]));
i+=7;
}
else
{
lasreadopener.add_attribute(atoi(argv[i+1]), argv[i+2], argv[i+3], atof(argv[i+4]), atof(argv[i+5]), atof(argv[i+6]));
i+=6;
}
}
else
{
lasreadopener.add_attribute(atoi(argv[i+1]), argv[i+2], argv[i+3], atof(argv[i+4]), atof(argv[i+5]));
i+=5;
}
}
else
{
lasreadopener.add_attribute(atoi(argv[i+1]), argv[i+2], argv[i+3], atof(argv[i+4]));
i+=4;
}
}
else
{
lasreadopener.add_attribute(atoi(argv[i+1]), argv[i+2], argv[i+3]);
i+=3;
}
}
else if (strcmp(argv[i],"-set_creation_date") == 0 || strcmp(argv[i],"-set_file_creation") == 0)
{
if ((i+2) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 2 arguments: day year\n", argv[i]);
usage(true);
}
i++;
sscanf(argv[i], "%d", &file_creation_day);
i++;
sscanf(argv[i], "%d", &file_creation_year);
}
else if (strcmp(argv[i],"-set_class") == 0 || strcmp(argv[i],"-set_classification") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: value\n", argv[i]);
usage(true);
}
i++;
set_classification = atoi(argv[i]);
}
else if (strcmp(argv[i],"-set_system_identifier") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: name\n", argv[i]);
usage(true);
}
i++;
set_system_identifier = argv[i];
}
else if (strcmp(argv[i],"-set_generating_software") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: name\n", argv[i]);
usage(true);
}
i++;
set_generating_software = argv[i];
}
else if (strcmp(argv[i],"-set_ogc_wkt") == 0)
{
set_ogc_wkt = true;
}
else if (strcmp(argv[i],"-set_version") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: major.minor\n", argv[i]);
usage(true);
}
i++;
if (sscanf(argv[i],"%d.%d",&set_version_major,&set_version_minor) != 2)
{
fprintf(stderr, "ERROR: cannot understand argument '%s' of '%s'\n", argv[i], argv[i-1]);
usage(true);
}
}
else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
{
lasreadopener.add_file_name(argv[i]);
argv[i][0] = '\0';
}
else
{
fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
usage(true);
}
}
#ifdef COMPILE_WITH_GUI
if (gui)
{
return txt2las_gui(argc, argv, &lasreadopener);
}
#endif
#ifdef COMPILE_WITH_MULTI_CORE
if (cores > 1)
{
if (lasreadopener.get_file_name_number() < 2)
{
fprintf(stderr,"WARNING: only %u input files. ignoring '-cores %d' ...\n", lasreadopener.get_file_name_number(), cores);
}
else if (lasreadopener.is_merged())
{
fprintf(stderr,"WARNING: input files merged on-the-fly. ignoring '-cores %d' ...\n", cores);
}
else
{
return txt2las_multi_core(argc, argv, &geoprojectionconverter, &lasreadopener, &laswriteopener, cores);
}
}
#endif
// make sure we have input
if (!lasreadopener.active())
{
fprintf(stderr, "ERROR: no input specified\n");
byebye(true, argc==1);
}
// make sure that input and output are not *both* piped
if (lasreadopener.is_piped() && laswriteopener.is_piped())
{
fprintf(stderr, "ERROR: input and output cannot both be piped\n");
byebye(true, argc==1);
}
// check if projection info was set in the command line
int number_of_keys;
GeoProjectionGeoKeys* geo_keys = 0;
int num_geo_double_params;
double* geo_double_params = 0;
if (geoprojectionconverter.has_projection())
{
projection_was_set = geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params);
}
// loop over multiple input files
while (lasreadopener.active())
{
if (verbose) start_time = taketime();
// open lasreader
LASreader* lasreader = lasreadopener.open();
if (lasreader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
byebye(true, argc==1);
}
// check output
if (!laswriteopener.active())
{
// create name from input name
laswriteopener.make_file_name(lasreadopener.get_file_name(), -2);
}
// if the output was piped we need to precompute the bounding box, etc ...
if (laswriteopener.is_piped())
{
// because the output goes to a pipe we have to precompute the header
// information with an additional pass.
if (verbose) { fprintf(stderr, "piped output. extra read pass over file '%s' ...\n", lasreadopener.get_file_name()); }
while (lasreader->read_point());
lasreader->close();
// output some stats
if (verbose)
{
#ifdef _WIN32
fprintf(stderr, "npoints %I64d min %g %g %g max %g %g %g\n", lasreader->npoints, lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z);
#else
fprintf(stderr, "npoints %lld min %g %g %g max %g %g %g\n", lasreader->npoints, lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z);
#endif
fprintf(stderr, "return histogram %d %d %d %d %d\n", lasreader->header.number_of_points_by_return[0], lasreader->header.number_of_points_by_return[1], lasreader->header.number_of_points_by_return[2], lasreader->header.number_of_points_by_return[3], lasreader->header.number_of_points_by_return[4]);
fprintf(stderr,"took %g sec.\n", taketime()-start_time); start_time = taketime();
}
// reopen lasreader for the second pass
if (!lasreadopener.reopen(lasreader))
{
fprintf(stderr, "ERROR: could not reopen '%s' for main pass\n", lasreadopener.get_file_name());
byebye(true, argc==1);
}
}
// populate header
for (i = 0; i < 32; i++)
{
lasreader->header.system_identifier[i] = '\0';
lasreader->header.generating_software[i] = '\0';
}
if (set_system_identifier)
{
strncpy(lasreader->header.system_identifier, set_system_identifier, 32);
lasreader->header.system_identifier[31] = '\0';
}
else
{
strncpy(lasreader->header.system_identifier, "LAStools (c) by rapidlasso GmbH", 32);
lasreader->header.system_identifier[31] = '\0';
}
if (set_generating_software)
{
strncpy(lasreader->header.generating_software, set_generating_software, 32);
lasreader->header.generating_software[31] = '\0';
}
else
{
char temp[64];
sprintf(temp, "txt2las (version %d)", LAS_TOOLS_VERSION);
strncpy(lasreader->header.generating_software, temp, 32);
lasreader->header.generating_software[31] = '\0';
}
// maybe set creation date
#ifdef _WIN32
if (lasreadopener.get_file_name() && file_creation_day == -1 && file_creation_year == -1)
{
WIN32_FILE_ATTRIBUTE_DATA attr;
SYSTEMTIME creation;
GetFileAttributesEx(lasreadopener.get_file_name(), GetFileExInfoStandard, &attr);
FileTimeToSystemTime(&attr.ftCreationTime, &creation);
int startday[13] = {-1, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334};
file_creation_day = startday[creation.wMonth] + creation.wDay;
file_creation_year = creation.wYear;
// leap year handling
if ((((creation.wYear)%4) == 0) && (creation.wMonth > 2)) file_creation_day++;
}
#endif
if (file_creation_day == -1 && file_creation_year == -1)
{
lasreader->header.file_creation_day = (U16)333;
lasreader->header.file_creation_year = (U16)2011;
}
else
{
lasreader->header.file_creation_day = (U16)file_creation_day;
lasreader->header.file_creation_year = (U16)file_creation_year;
}
// maybe set version
if (set_version_major != -1) lasreader->header.version_major = (U8)set_version_major;
if (set_version_minor != -1) lasreader->header.version_minor = (U8)set_version_minor;
if (set_version_minor == 3)
{
lasreader->header.header_size = 235;
lasreader->header.offset_to_point_data = 235;
}
else if (set_version_minor == 4)
{
lasreader->header.header_size = 375;
lasreader->header.offset_to_point_data = 375;
}
// maybe set projection
if (projection_was_set)
{
lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
if (geo_double_params)
{
lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
}
else
{
lasreader->header.del_geo_double_params();
}
lasreader->header.del_geo_ascii_params();
if (set_ogc_wkt) // maybe also set the OCG WKT
{
I32 len = 0;
CHAR* ogc_wkt = 0;
if (geoprojectionconverter.get_ogc_wkt_from_projection(len, &ogc_wkt, !geoprojectionconverter.has_projection(false)))
{
lasreader->header.set_geo_wkt_ogc_cs(len, ogc_wkt);
free(ogc_wkt);
if ((lasreader->header.version_minor >= 4) && (lasreader->header.point_data_format >= 6))
{
lasreader->header.set_global_encoding_bit(LAS_TOOLS_GLOBAL_ENCODING_BIT_OGC_WKT_CRS);
}
}
else
{
fprintf(stderr, "WARNING: cannot produce OCG WKT. ignoring '-set_ogc_wkt' for '%s'\n", lasreadopener.get_file_name());
}
}
}
// open the output
LASwriter* laswriter = laswriteopener.open(&lasreader->header);
if (laswriter == 0)
{
fprintf(stderr, "ERROR: could not open laswriter\n");
byebye(true, argc==1);
}
if (verbose) fprintf(stderr, "reading file '%s' and writing to '%s'\n", lasreadopener.get_file_name(), laswriteopener.get_file_name());
// loop over points
while (lasreader->read_point())
{
// maybe set classification
if (set_classification != -1)
{
lasreader->point.set_classification(set_classification);
}
// write the point
laswriter->write_point(&lasreader->point);
}
lasreader->close();
if (!laswriteopener.is_piped())
{
laswriter->update_header(&lasreader->header, FALSE, TRUE);
if (verbose)
{
#ifdef _WIN32
fprintf(stderr, "npoints %I64d min %g %g %g max %g %g %g\n", lasreader->npoints, lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z);
#else
fprintf(stderr, "npoints %lld min %g %g %g max %g %g %g\n", lasreader->npoints, lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z);
#endif
fprintf(stderr, "return histogram %d %d %d %d %d\n", lasreader->header.number_of_points_by_return[0], lasreader->header.number_of_points_by_return[1], lasreader->header.number_of_points_by_return[2], lasreader->header.number_of_points_by_return[3], lasreader->header.number_of_points_by_return[4]);
}
}
laswriter->close();
delete laswriter;
delete lasreader;
laswriteopener.set_file_name(0);
if (verbose) fprintf(stderr,"took %g sec.\n", taketime()-start_time);
}
byebye(false, argc==1);
return 0;
}
int main(int argc, char *argv[])
{
MPI_Init(&argc, &argv);
int i;
#ifdef COMPILE_WITH_GUI
bool gui = false;
#endif
bool verbose = false;
bool keep_lastiling = false;
U32 chopchop = 0;
bool projection_was_set = false;
double start_time = 0;
LASreadOpener lasreadopener;
GeoProjectionConverter geoprojectionconverter;
LASwriteOpener laswriteopener;
if (argc == 1)
{
#ifdef COMPILE_WITH_GUI
return lasmerge_gui(argc, argv, 0);
#else
fprintf(stderr,"%s is better run in the command line\n", argv[0]);
char file_name[256];
fprintf(stderr,"enter input file 1: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.add_file_name(file_name);
fprintf(stderr,"enter input file 2: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.add_file_name(file_name);
fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
laswriteopener.set_file_name(file_name);
#endif
}
else
{
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '�') argv[i][0] = '-';
}
if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
if (!lasreadopener.parse(argc, argv)) byebye(true);
if (lasreadopener.get_file_name_number()<2)
{
fprintf(stderr,"Must specify more than one input file.\n");
byebye(true); // only support merging more than one file
}
if (!laswriteopener.parse(argc, argv)) byebye(true);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '\0')
{
continue;
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
usage();
}
else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
{
verbose = true;
}
else if (strcmp(argv[i],"-version") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
byebye();
}
else if (strcmp(argv[i],"-gui") == 0)
{
#ifdef COMPILE_WITH_GUI
gui = true;
#else
fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
}
else if (strcmp(argv[i],"-split") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
byebye(true);
}
i++;
chopchop = atoi(argv[i]);
}
else if (strcmp(argv[i],"-keep_lastiling") == 0)
{
keep_lastiling = true;
}
else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
{
lasreadopener.add_file_name(argv[i]);
argv[i][0] = '\0';
}
else
{
fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
byebye(true);
}
}
#ifdef COMPILE_WITH_GUI
if (gui)
{
return lasmerge_gui(argc, argv, &lasreadopener);
}
#endif
// read all the input files merged
lasreadopener.set_merged(TRUE);
// maybe we want to keep the lastiling
if (keep_lastiling)
{
lasreadopener.set_keep_lastiling(TRUE);
}
// we need to precompute the bounding box
lasreadopener.set_populate_header(TRUE);
// check input and output
if (!lasreadopener.active())
{
fprintf(stderr, "ERROR: no input specified\n");
byebye(true, argc==1);
}
if (!laswriteopener.active())
{
fprintf(stderr, "ERROR: no output specified\n");
byebye(true, argc==1);
}
// make sure we do not corrupt the input file
if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
{
fprintf(stderr, "ERROR: input and output file name are identical\n");
usage(true);
}
// check if projection info was set in the command line
int number_of_keys;
GeoProjectionGeoKeys* geo_keys = 0;
int num_geo_double_params;
double* geo_double_params = 0;
if (geoprojectionconverter.has_projection())
{
projection_was_set = geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params);
}
if (verbose) start_time = taketime();
LASreader* lasreader = lasreadopener.open();
lasreader->populate_rank_points();
LASreaderMerged *lasreadermerged = (LASreaderMerged *)lasreader;
I32 process_count = lasreadermerged->get_process_count();
dbg(3, "rank %i, lasreadermerged->npoints %lli", lasreadermerged->get_rank(), lasreadermerged->npoints);
for (i=0; i<process_count; i++)
{
dbg(3, "rank %i, rank_begin_point %lli", lasreadermerged->get_rank(), lasreadermerged->get_rank_begin_index()[i]);
for(int j=lasreadermerged->get_file_name_start(); j< lasreadermerged->get_file_name_number(); j++)
{
dbg(3, "rank %i, number %i name %s count %lli, begin", lasreadermerged->get_rank(), j, lasreadermerged->get_file_names()[j], lasreadermerged->get_file_point_counts()[j]);
}
}
dbg(3,"type of reader returned: class %s and declared name %s", typeid(*lasreader).name(), quote(*lasreader));
if (lasreader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
byebye(true, argc==1);
}
#ifdef _WIN32
if (verbose) { fprintf(stderr,"merging headers took %g sec. there are %I64d points in total.\n", taketime()-start_time, lasreader->npoints); start_time = taketime(); }
#else
if (verbose) { fprintf(stderr,"merging headers took %g sec. there are %lld points in total.\n", taketime()-start_time, lasreader->npoints); start_time = taketime(); }
#endif
// prepare the header for the surviving points
strncpy(lasreader->header.system_identifier, "LAStools (c) by rapidlasso GmbH", 32);
lasreader->header.system_identifier[31] = '\0';
char temp[64];
sprintf(temp, "lasmerge (version %d)", LAS_TOOLS_VERSION);
strncpy(lasreader->header.generating_software, temp, 32);
lasreader->header.generating_software[31] = '\0';
if (projection_was_set)
{
lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
free(geo_keys);
if (geo_double_params)
{
lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
free(geo_double_params);
}
else
{
lasreader->header.del_geo_double_params();
}
lasreader->header.del_geo_ascii_params();
}
if (chopchop)
{
I32 file_number = 0;
LASwriter* laswriter = 0;
// loop over the points
while (lasreader->read_point())
{
if (laswriter == 0)
{
// open the next writer
laswriteopener.make_file_name(0, file_number);
file_number++;
laswriter = laswriteopener.open(&lasreader->header);
}
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
if (laswriter->p_count == chopchop)
{
// close the current writer
laswriter->update_header(&lasreader->header, TRUE);
laswriter->close();
if (verbose) { fprintf(stderr,"splitting file '%s' took %g sec.\n", laswriteopener.get_file_name(), taketime()-start_time); start_time = taketime(); }
delete laswriter;
laswriter = 0;
}
}
if (laswriter && laswriter->p_count)
{
// close the current writer
laswriter->update_header(&lasreader->header, TRUE);
laswriter->close();
if (verbose) { fprintf(stderr,"splitting file '%s' took %g sec.\n", laswriteopener.get_file_name(), taketime()-start_time); start_time = taketime(); }
delete laswriter;
laswriter = 0;
}
}
else
{
// wait for all processes to open their input files
MPI_Barrier(MPI_COMM_WORLD);
// all processes open a writer
LASwriter* laswriter = laswriteopener.open (&lasreader->header);
// set the write file pointer... no filter support, assumes all input file's points are written to output file
//ByteStreamOutFileLE *bs = (ByteStreamOutFileLE*) laswriter->get_stream (); <-- this is the ByteStreamOut type for las files
ByteStreamOut *bs = laswriter->get_stream ();
I64 begin_index = (lasreadermerged->get_rank_begin_index())[lasreadermerged->get_rank ()];
bs->seek (lasreader->header.point_data_record_length * begin_index + lasreader->header.offset_to_point_data);
if (laswriter == 0)
{
fprintf (stderr, "ERROR: could not open laswriter\n");
byebye (true, argc == 1);
}
// wait for all processes to open the output file and set their write file pointers.
MPI_Barrier(MPI_COMM_WORLD);
// loop over the points
while (lasreader->read_point())
{
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
}
int rank = lasreadermerged->get_rank();
if(rank!=0)
{
laswriter->close(FALSE);
}
MPI_Barrier(MPI_COMM_WORLD); // not needed since reduce causes barrier, used for testing
// this whole MPI_Reduce section is not technically needed since we don't yet support point filtering,
// It was implemented now to ensure that it will work when point filtering of input files is supported
MPI_Reduce(&(laswriter->inventory.extended_number_of_point_records), &extended_number_of_point_records, 1,
MPI_LONG_LONG_INT, MPI_SUM, 0, MPI_COMM_WORLD);
int i;
for(i=0; i<16; i++)
{
MPI_Reduce(&(laswriter->inventory.extended_number_of_points_by_return[i]), &extended_number_of_points_by_return[i], 1,
MPI_LONG_LONG_INT, MPI_SUM, 0, MPI_COMM_WORLD);
}
MPI_Reduce(&(laswriter->inventory.max_X), &max_X, 1, MPI_INT, MPI_MAX, 0, MPI_COMM_WORLD);
MPI_Reduce(&(laswriter->inventory.min_X), &min_X, 1, MPI_INT, MPI_MIN, 0, MPI_COMM_WORLD);
MPI_Reduce(&(laswriter->inventory.max_Y), &max_Y, 1, MPI_INT, MPI_MAX, 0, MPI_COMM_WORLD);
MPI_Reduce(&(laswriter->inventory.min_Y), &min_Y, 1, MPI_INT, MPI_MIN, 0, MPI_COMM_WORLD);
MPI_Reduce(&(laswriter->inventory.max_Z), &max_Z, 1, MPI_INT, MPI_MAX, 0, MPI_COMM_WORLD);
MPI_Reduce(&(laswriter->inventory.min_Z), &min_Z, 1, MPI_INT, MPI_MIN, 0, MPI_COMM_WORLD);
if(rank==0)
{
dbg(3, "extended_number_of_point_records %lli", extended_number_of_point_records);
laswriter->inventory.extended_number_of_point_records = extended_number_of_point_records;
for(i=0; i<16; i++)
{
laswriter->inventory.extended_number_of_points_by_return[i] = extended_number_of_points_by_return[i];
}
laswriter->inventory.max_X = max_X;
laswriter->inventory.min_X = min_X;
laswriter->inventory.max_Y = max_Y;
laswriter->inventory.min_Y = min_Y;
laswriter->inventory.max_Z = max_Z;
laswriter->inventory.min_Z = min_Z;
}
dbg(3, "rank %i, point data record length %i", lasreadermerged->get_rank(), lasreader->header.point_data_record_length);
// close the writer
if(rank==0)
{
// update header should only be called with TRUE when using the MPI_Reduce calls above,
// lasreadopener.open(), called above, generates a correct header for the output file, provided no points are filtered during the read
laswriter->update_header(&lasreader->header, TRUE);
laswriter->close(FALSE);
}
if (verbose) fprintf(stderr,"merging files took %g sec.\n", taketime()-start_time);
delete laswriter;
}
MPI_Finalize();
lasreader->close();
delete lasreader;
byebye(false, argc==1);
return 0;
}
int main(int argc, char *argv[])
{
int i;
bool dry = false;
#ifdef COMPILE_WITH_GUI
bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
I32 cores = 1;
#endif
bool verbose = false;
bool waveform = false;
bool waveform_with_map = false;
bool report_file_size = false;
I32 end_of_points = -1;
bool projection_was_set = false;
bool lax = false;
U32 tile_size = 100;
U32 threshold = 1000;
U32 minimum_points = 100000;
I32 maximum_intervals = -20;
double start_time = 0.0;
LASreadOpener lasreadopener;
GeoProjectionConverter geoprojectionconverter;
LASwriteOpener laswriteopener;
if (argc == 1)
{
#ifdef COMPILE_WITH_GUI
return laszip_gui(argc, argv, 0);
#else
fprintf(stderr,"laszip.exe is better run in the command line or via the lastool.exe GUI\n");
char file_name[256];
fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.set_file_name(file_name);
fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
laswriteopener.set_file_name(file_name);
#endif
}
else
{
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '–') argv[i][0] = '-';
}
if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
if (!lasreadopener.parse(argc, argv)) byebye(true);
if (!laswriteopener.parse(argc, argv)) byebye(true);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '\0')
{
continue;
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
usage();
}
else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
{
verbose = true;
}
else if (strcmp(argv[i],"-version") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
byebye();
}
else if (strcmp(argv[i],"-gui") == 0)
{
#ifdef COMPILE_WITH_GUI
gui = true;
#else
fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
}
else if (strcmp(argv[i],"-cores") == 0)
{
#ifdef COMPILE_WITH_MULTI_CORE
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
usage(true);
}
argv[i][0] = '\0';
i++;
cores = atoi(argv[i]);
argv[i][0] = '\0';
#else
fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
#endif
}
else if (strcmp(argv[i],"-dry") == 0)
{
dry = true;
}
else if (strcmp(argv[i],"-lax") == 0)
{
lax = true;
}
else if (strcmp(argv[i],"-eop") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: char\n", argv[i]);
usage(true);
}
i++;
end_of_points = atoi(argv[i]);
if ((end_of_points < 0) || (end_of_points > 255))
{
fprintf(stderr,"ERROR: end of points value needs to be between 0 and 255\n");
usage(true);
}
}
else if (strcmp(argv[i],"-tile_size") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
usage(true);
}
i++;
tile_size = atoi(argv[i]);
}
else if (strcmp(argv[i],"-maximum") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
usage(true);
}
i++;
maximum_intervals = atoi(argv[i]);
}
else if (strcmp(argv[i],"-minimum") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
usage(true);
}
i++;
minimum_points = atoi(argv[i]);
}
else if (strcmp(argv[i],"-threshold") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: value\n", argv[i]);
usage(true);
}
i++;
threshold = atoi(argv[i]);
}
else if (strcmp(argv[i],"-size") == 0)
{
report_file_size = true;
}
else if (strcmp(argv[i],"-waveform") == 0 || strcmp(argv[i],"-waveforms") == 0)
{
waveform = true;
}
else if (strcmp(argv[i],"-waveform_with_map") == 0 || strcmp(argv[i],"-waveforms_with_map") == 0)
{
waveform = true;
waveform_with_map = true;
}
else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
{
lasreadopener.add_file_name(argv[i]);
argv[i][0] = '\0';
}
else
{
fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
usage(true);
}
}
#ifdef COMPILE_WITH_GUI
if (gui)
{
return laszip_gui(argc, argv, &lasreadopener);
}
#endif
#ifdef COMPILE_WITH_MULTI_CORE
if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.get_merged()))
{
return laszip_multi_core(argc, argv, &geoprojectionconverter, &lasreadopener, &laswriteopener, cores);
}
#endif
// check input
if (!lasreadopener.active())
{
fprintf(stderr,"ERROR: no input specified\n");
usage(true, argc==1);
}
// make sure we do not corrupt the input file
if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
{
fprintf(stderr, "ERROR: input and output file name are identical\n");
usage(true);
}
// check if projection info was set in the command line
int number_of_keys;
GeoProjectionGeoKeys* geo_keys = 0;
int num_geo_double_params;
double* geo_double_params = 0;
if (geoprojectionconverter.has_projection())
{
projection_was_set = geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params);
}
// loop over multiple input files
while (lasreadopener.active())
{
if (verbose) start_time = taketime();
// open lasreader
LASreader* lasreader = lasreadopener.open();
if (lasreader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
usage(true, argc==1);
}
// switch
if (report_file_size)
{
// maybe only report uncompressed file size
I64 uncompressed_file_size = (I64)lasreader->header.number_of_point_records * (I64)lasreader->header.point_data_record_length + lasreader->header.offset_to_point_data;
if (uncompressed_file_size == (I64)((U32)uncompressed_file_size))
fprintf(stderr,"uncompressed file size is %u bytes or %.2f MB for '%s'\n", (U32)uncompressed_file_size, (F64)uncompressed_file_size/1024.0/1024.0, lasreadopener.get_file_name());
else
fprintf(stderr,"uncompressed file size is %.2f MB or %.2f GB for '%s'\n", (F64)uncompressed_file_size/1024.0/1024.0, (F64)uncompressed_file_size/1024.0/1024.0/1024.0, lasreadopener.get_file_name());
}
else if (dry)
{
// maybe only a dry read pass
start_time = taketime();
while (lasreader->read_point());
fprintf(stderr,"needed %g secs to read '%s'\n", taketime()-start_time, lasreadopener.get_file_name());
}
else
{
I64 start_of_waveform_data_packet_record = 0;
// create output file name if no output was specified
if (!laswriteopener.active())
{
if (lasreadopener.get_file_name() == 0)
{
fprintf(stderr,"ERROR: no output specified\n");
usage(true, argc==1);
}
laswriteopener.set_force(TRUE);
laswriteopener.make_file_name(lasreadopener.get_file_name(), -2);
if (!laswriteopener.format_was_specified())
{
char* file_name_out = strdup(laswriteopener.get_file_name());
int len = strlen(file_name_out);
if (lasreader->get_format() == LAS_TOOLS_FORMAT_LAZ)
{
file_name_out[len-3] = 'l';
file_name_out[len-2] = 'a';
file_name_out[len-1] = 's';
}
else
{
file_name_out[len-3] = 'l';
file_name_out[len-2] = 'a';
file_name_out[len-1] = 'z';
}
laswriteopener.set_file_name(file_name_out);
free(file_name_out);
}
}
// maybe set projection
if (projection_was_set)
{
lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
if (geo_double_params)
{
lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
}
else
{
lasreader->header.del_geo_double_params();
}
lasreader->header.del_geo_ascii_params();
}
// almost never open laswaveform13reader and laswaveform13writer (-:
LASwaveform13reader* laswaveform13reader = 0;
LASwaveform13writer* laswaveform13writer = 0;
if (waveform)
{
laswaveform13reader = lasreadopener.open_waveform13(&lasreader->header);
if (laswaveform13reader)
{
// switch compression on/off
U8 compression_type = (laswriteopener.get_format() == LAS_TOOLS_FORMAT_LAZ ? 1 : 0);
for (i = 0; i < 255; i++) if (lasreader->header.vlr_wave_packet_descr[i]) lasreader->header.vlr_wave_packet_descr[i]->setCompressionType(compression_type);
// create laswaveform13writer
laswaveform13writer = laswriteopener.open_waveform13(&lasreader->header);
if (laswaveform13writer == 0)
{
delete [] laswaveform13reader;
laswaveform13reader = 0;
waveform = 0;
// switch compression on/off back
U8 compression_type = (laswriteopener.get_format() == LAS_TOOLS_FORMAT_LAZ ? 0 : 1);
for (i = 0; i < 255; i++) if (lasreader->header.vlr_wave_packet_descr[i]) lasreader->header.vlr_wave_packet_descr[i]->setCompressionType(compression_type);
}
}
else
{
waveform = false;
}
}
// special check for LAS 1.3+ files that contain waveform data
if ((lasreader->header.version_major == 1) && (lasreader->header.version_minor >= 3))
{
if (lasreader->header.global_encoding & 2) // if bit # 1 is set we have internal waveform data
{
lasreader->header.global_encoding &= ~((U16)2); // remove internal bit
if (lasreader->header.start_of_waveform_data_packet_record) // offset to
{
start_of_waveform_data_packet_record = lasreader->header.start_of_waveform_data_packet_record;
lasreader->header.start_of_waveform_data_packet_record = 0;
lasreader->header.global_encoding |= ((U16)4); // set external bit
}
}
}
// open laswriter
LASwriter* laswriter = laswriteopener.open(&lasreader->header);
if (laswriter == 0)
{
fprintf(stderr, "ERROR: could not open laswriter\n");
usage(true, argc==1);
}
// should we also deal with waveform data
if (waveform)
{
U8 compression_type = (laswaveform13reader->is_compressed() ? 1 : 0);
for (i = 0; i < 255; i++) if (lasreader->header.vlr_wave_packet_descr[i]) lasreader->header.vlr_wave_packet_descr[i]->setCompressionType(compression_type);
U64 last_offset = 0;
U32 last_size = 60;
U64 new_offset = 0;
U32 new_size = 0;
U32 waves_written = 0;
U32 waves_referenced = 0;
my_offset_size_map offset_size_map;
LASindex lasindex;
if (lax) // should we also create a spatial indexing file
{
// setup the quadtree
LASquadtree* lasquadtree = new LASquadtree;
lasquadtree->setup(lasreader->header.min_x, lasreader->header.max_x, lasreader->header.min_y, lasreader->header.max_y, tile_size);
// create lax index
lasindex.prepare(lasquadtree, threshold);
}
// loop over points
while (lasreader->read_point())
{
if (lasreader->point.wavepacket.getIndex()) // if point is attached to a waveform
{
waves_referenced++;
if (lasreader->point.wavepacket.getOffset() == last_offset)
{
lasreader->point.wavepacket.setOffset(new_offset);
lasreader->point.wavepacket.setSize(new_size);
}
else if (lasreader->point.wavepacket.getOffset() > last_offset)
{
if (lasreader->point.wavepacket.getOffset() > (last_offset + last_size))
{
if (!waveform_with_map)
{
fprintf(stderr,"WARNING: gap in waveform offsets.\n");
#ifdef _WIN32
fprintf(stderr,"WARNING: last offset plus size was %I64d but new offset is %I64d (for point %I64d)\n", (last_offset + last_size), lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#else
fprintf(stderr,"WARNING: last offset plus size was %lld but new offset is %lld (for point %lld)\n", (last_offset + last_size), lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#endif
}
}
waves_written++;
last_offset = lasreader->point.wavepacket.getOffset();
last_size = lasreader->point.wavepacket.getSize();
laswaveform13reader->read_waveform(&lasreader->point);
laswaveform13writer->write_waveform(&lasreader->point, laswaveform13reader->samples);
new_offset = lasreader->point.wavepacket.getOffset();
new_size = lasreader->point.wavepacket.getSize();
if (waveform_with_map)
{
offset_size_map.insert(my_offset_size_map::value_type(last_offset, OffsetSize(new_offset,new_size)));
}
}
else
{
if (waveform_with_map)
{
my_offset_size_map::iterator map_element;
map_element = offset_size_map.find(lasreader->point.wavepacket.getOffset());
if (map_element == offset_size_map.end())
{
waves_written++;
last_offset = lasreader->point.wavepacket.getOffset();
last_size = lasreader->point.wavepacket.getSize();
laswaveform13reader->read_waveform(&lasreader->point);
laswaveform13writer->write_waveform(&lasreader->point, laswaveform13reader->samples);
new_offset = lasreader->point.wavepacket.getOffset();
new_size = lasreader->point.wavepacket.getSize();
offset_size_map.insert(my_offset_size_map::value_type(last_offset, OffsetSize(new_offset,new_size)));
}
else
{
lasreader->point.wavepacket.setOffset((*map_element).second.offset);
lasreader->point.wavepacket.setSize((*map_element).second.size);
}
}
else
{
fprintf(stderr,"ERROR: waveform offsets not in monotonically increasing order.\n");
#ifdef _WIN32
fprintf(stderr,"ERROR: last offset was %I64d but new offset is %I64d (for point %I64d)\n", last_offset, lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#else
fprintf(stderr,"ERROR: last offset was %lld but new offset is %lld (for point %lld)\n", last_offset, lasreader->point.wavepacket.getOffset(), lasreader->p_count);
#endif
fprintf(stderr,"ERROR: use option '-waveforms_with_map' to compress.\n");
byebye(true, argc==1);
}
}
}
laswriter->write_point(&lasreader->point);
if (lax)
{
lasindex.add(&lasreader->point, (U32)(laswriter->p_count));
}
if (!lasreadopener.has_populated_header())
{
laswriter->update_inventory(&lasreader->point);
}
}
if (verbose && ((laswriter->p_count % 1000000) == 0)) fprintf(stderr,"written %d referenced %d of %d points\n", waves_written, waves_referenced, (I32)laswriter->p_count);
if (!lasreadopener.has_populated_header())
{
laswriter->update_header(&lasreader->header, TRUE);
}
if (lax)
{
// adaptive coarsening
lasindex.complete(minimum_points, maximum_intervals);
// write lax to file
lasindex.write(laswriteopener.get_file_name());
}
}
else
{
// loop over points
if (lasreadopener.has_populated_header())
{
if (lax) // should we also create a spatial indexing file
{
// setup the quadtree
LASquadtree* lasquadtree = new LASquadtree;
lasquadtree->setup(lasreader->header.min_x, lasreader->header.max_x, lasreader->header.min_y, lasreader->header.max_y, tile_size);
// create lax index
LASindex lasindex;
lasindex.prepare(lasquadtree, threshold);
// compress points and add to index
while (lasreader->read_point())
{
lasindex.add(&lasreader->point, (U32)(laswriter->p_count));
laswriter->write_point(&lasreader->point);
}
// adaptive coarsening
lasindex.complete(minimum_points, maximum_intervals);
// write lax to file
lasindex.write(laswriteopener.get_file_name());
}
else
{
if (end_of_points > -1)
{
U8 point10[20];
memset(point10, end_of_points, 20);
if (verbose) fprintf(stderr, "writing with end_of_points value %d\n", end_of_points);
while (lasreader->read_point())
{
if (memcmp(point10, &lasreader->point, 20) == 0)
{
break;
}
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
}
laswriter->update_header(&lasreader->header, TRUE);
}
else
{
while (lasreader->read_point())
{
laswriter->write_point(&lasreader->point);
}
}
}
}
else
{
if (lax && (lasreader->header.min_x < lasreader->header.max_x) && (lasreader->header.min_y < lasreader->header.max_y))
{
// setup the quadtree
LASquadtree* lasquadtree = new LASquadtree;
lasquadtree->setup(lasreader->header.min_x, lasreader->header.max_x, lasreader->header.min_y, lasreader->header.max_y, tile_size);
// create lax index
LASindex lasindex;
lasindex.prepare(lasquadtree, threshold);
// compress points and add to index
while (lasreader->read_point())
{
lasindex.add(&lasreader->point, (U32)(laswriter->p_count));
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
}
// adaptive coarsening
lasindex.complete(minimum_points, maximum_intervals);
// write lax to file
lasindex.write(laswriteopener.get_file_name());
}
else
{
if (end_of_points > -1)
{
U8 point10[20];
memset(point10, end_of_points, 20);
if (verbose) fprintf(stderr, "writing with end_of_points value %d\n", end_of_points);
while (lasreader->read_point())
{
if (memcmp(point10, &lasreader->point, 20) == 0)
{
break;
}
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
}
}
else
{
while (lasreader->read_point())
{
laswriter->write_point(&lasreader->point);
laswriter->update_inventory(&lasreader->point);
}
}
}
laswriter->update_header(&lasreader->header, TRUE);
}
}
I64 total_bytes = laswriter->close();
delete laswriter;
#ifdef _WIN32
if (verbose) fprintf(stderr,"%g secs to write %I64d bytes for '%s' with %I64d points of type %d\n", taketime()-start_time, total_bytes, laswriteopener.get_file_name(), lasreader->p_count, lasreader->header.point_data_format);
#else
if (verbose) fprintf(stderr,"%g secs to write %lld bytes for '%s' with %lld points of type %d\n", taketime()-start_time, total_bytes, laswriteopener.get_file_name(), lasreader->p_count, lasreader->header.point_data_format);
#endif
if (start_of_waveform_data_packet_record && !waveform)
{
lasreader->close(FALSE);
ByteStreamIn* stream = lasreader->get_stream();
stream->seek(start_of_waveform_data_packet_record);
char* wave_form_file_name;
if (laswriteopener.get_file_name())
{
wave_form_file_name = strdup(laswriteopener.get_file_name());
int len = strlen(wave_form_file_name);
if (wave_form_file_name[len-3] == 'L')
{
wave_form_file_name[len-3] = 'W';
wave_form_file_name[len-2] = 'D';
wave_form_file_name[len-1] = 'P';
}
else
{
wave_form_file_name[len-3] = 'w';
wave_form_file_name[len-2] = 'd';
wave_form_file_name[len-1] = 'p';
}
}
else
{
wave_form_file_name = strdup("wave_form.wdp");
}
FILE* file = fopen(wave_form_file_name, "wb");
if (file)
{
if (verbose) fprintf(stderr,"writing waveforms to '%s'\n", wave_form_file_name);
try
{
int byte;
while (true)
{
byte = stream->getByte();
fputc(byte, file);
}
}
catch (...)
{
fclose(file);
}
}
}
laswriteopener.set_file_name(0);
}
lasreader->close();
delete lasreader;
}
if (projection_was_set)
{
free(geo_keys);
if (geo_double_params)
{
free(geo_double_params);
}
}
byebye(false, argc==1);
return 0;
}
int main(int argc, char *argv[])
{
int i;
int is_mpi = 1;
int debug = 0;
bool verbose = false;
bool force = false;
// fixed header changes
int set_version_major = -1;
int set_version_minor = -1;
int set_point_data_format = -1;
int set_point_data_record_length = -1;
int set_gps_time_endcoding = -1;
// variable header changes
bool remove_extra_header = false;
bool remove_all_variable_length_records = false;
int remove_variable_length_record = -1;
int remove_variable_length_record_from = -1;
int remove_variable_length_record_to = -1;
bool remove_tiling_vlr = false;
bool remove_original_vlr = false;
// extract a subsequence
//unsigned int subsequence_start = 0;
//unsigned int subsequence_stop = U32_MAX;
I64 subsequence_start = 0;
I64 subsequence_stop = I64_MAX;
// fix files with corrupt points
bool clip_to_bounding_box = false;
double start_time = 0;
time_t wall_start_time;
time_t wall_end_time;
LASreadOpener lasreadopener;
//if(is_mpi)lasreadopener.setIsMpi(TRUE);
GeoProjectionConverter geoprojectionconverter;
LASwriteOpener laswriteopener;
if(is_mpi)laswriteopener.setIsMpi(TRUE);
int process_count = 1;
int rank = 0;
start_time = taketime();
time(&wall_start_time);
if (is_mpi){
MPI_Init(&argc,&argv);
MPI_Comm_size(MPI_COMM_WORLD,&process_count);
MPI_Comm_rank(MPI_COMM_WORLD,&rank);
if(debug) printf ("MPI task %d has started...\n", rank);
}
if (argc == 1)
{
fprintf(stderr,"las2las.exe is better run in the command line or via the lastool.exe GUI\n");
char file_name[256];
fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.set_file_name(file_name);
fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
laswriteopener.set_file_name(file_name);
}
else
{
for (i = 1; i < argc; i++)
{
//if (argv[i][0] == '�') argv[i][0] = '-';
if (strcmp(argv[i],"-week_to_adjusted") == 0)
{
set_gps_time_endcoding = 1;
}
else if (strcmp(argv[i],"-adjusted_to_week") == 0)
{
set_gps_time_endcoding = 0;
}
}
if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
if (!lasreadopener.parse(argc, argv)) byebye(true);
if (!laswriteopener.parse(argc, argv)) byebye(true);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '\0')
{
continue;
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
usage();
}
else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
{
verbose = true;
}
else if (strcmp(argv[i],"-version") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
byebye();
}
else if (strcmp(argv[i],"-gui") == 0)
{
fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
}
else if (strcmp(argv[i],"-cores") == 0)
{
fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
i++;
}
else if (strcmp(argv[i],"-force") == 0)
{
force = true;
}
else if (strcmp(argv[i],"-subseq") == 0)
{
if ((i+2) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 2 arguments: start stop\n", argv[i]);
byebye(true);
}
subsequence_start = (unsigned int)atoi(argv[i+1]); subsequence_stop = (unsigned int)atoi(argv[i+2]);
i+=2;
}
else if (strcmp(argv[i],"-start_at_point") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: start\n", argv[i]);
byebye(true);
}
subsequence_start = (unsigned int)atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-stop_at_point") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: stop\n", argv[i]);
byebye(true);
}
subsequence_stop = (unsigned int)atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-set_version") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: major.minor\n", argv[i]);
byebye(true);
}
if (sscanf(argv[i+1],"%d.%d",&set_version_major,&set_version_minor) != 2)
{
fprintf(stderr, "ERROR: cannot understand argument '%s' for '%s'\n", argv[i+1], argv[i]);
usage(true);
}
i+=1;
}
else if (strcmp(argv[i],"-set_version_major") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: major\n", argv[i]);
byebye(true);
}
set_version_major = atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-set_version_minor") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: minor\n", argv[i]);
byebye(true);
}
set_version_minor = atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-remove_extra") == 0)
{
remove_extra_header = true;
}
else if (strcmp(argv[i],"-remove_all_vlrs") == 0)
{
remove_all_variable_length_records = true;
}
else if (strcmp(argv[i],"-remove_vlr") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
byebye(true);
}
remove_variable_length_record = atoi(argv[i+1]);
remove_variable_length_record_from = -1;
remove_variable_length_record_to = -1;
i++;
}
else if (strcmp(argv[i],"-remove_vlrs_from_to") == 0)
{
if ((i+2) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 2 arguments: start end\n", argv[i]);
byebye(true);
}
remove_variable_length_record = -1;
remove_variable_length_record_from = atoi(argv[i+1]);
remove_variable_length_record_to = atoi(argv[i+2]);
i+=2;
}
else if (strcmp(argv[i],"-remove_tiling_vlr") == 0)
{
remove_tiling_vlr = true;
i++;
}
else if (strcmp(argv[i],"-remove_original_vlr") == 0)
{
remove_original_vlr = true;
i++;
}
else if (strcmp(argv[i],"-set_point_type") == 0 || strcmp(argv[i],"-set_point_data_format") == 0 || strcmp(argv[i],"-point_type") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: type\n", argv[i]);
byebye(true);
}
set_point_data_format = atoi(argv[i+1]);
i++;
}
else if (strcmp(argv[i],"-set_point_data_record_length") == 0 || strcmp(argv[i],"-set_point_size") == 0 || strcmp(argv[i],"-point_size") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
byebye(true);
}
set_point_data_record_length = atoi(argv[i+1]);
i++;
}
else if (strcmp(argv[i],"-clip_to_bounding_box") == 0 || strcmp(argv[i],"-clip_to_bb") == 0)
{
clip_to_bounding_box = true;
}
else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
{
lasreadopener.add_file_name(argv[i]);
argv[i][0] = '\0';
}
else
{
fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
usage(true);
}
}
// check input
if (!lasreadopener.active())
{
fprintf(stderr,"ERROR: no input specified\n");
usage(true, argc==1);
}
BOOL extra_pass = laswriteopener.is_piped();
// for piped output we need an extra pass
if (extra_pass)
{
if (lasreadopener.is_piped())
{
fprintf(stderr, "ERROR: input and output cannot both be piped\n");
usage(true);
}
}
// make sure we do not corrupt the input file
if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
{
fprintf(stderr, "ERROR: input and output file name are identical\n");
usage(true);
}
// possibly loop over multiple input files
while (lasreadopener.active())
{
// if (verbose) start_time = taketime();
// open lasreader
LASreader* lasreader = lasreadopener.open();
if (lasreader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
usage(true, argc==1);
}
// store the inventory for the header
LASinventory lasinventory;
// the point we write sometimes needs to be copied
LASpoint* point = 0;
// prepare the header for output
if (set_gps_time_endcoding != -1)
{
if (set_gps_time_endcoding == 0)
{
if ((lasreader->header.global_encoding & 1) == 0)
{
fprintf(stderr, "WARNING: global encoding indicates file already in GPS week time\n");
if (force)
{
fprintf(stderr, " forced conversion.\n");
}
else
{
fprintf(stderr, " use '-force' to force conversion.\n");
byebye(true);
}
}
else
{
lasreader->header.global_encoding &= ~1;
}
}
else if (set_gps_time_endcoding == 1)
{
if ((lasreader->header.global_encoding & 1) == 1)
{
fprintf(stderr, "WARNING: global encoding indicates file already in Adjusted Standard GPS time\n");
if (force)
{
fprintf(stderr, " forced conversion.\n");
}
else
{
fprintf(stderr, " use '-force' to force conversion.\n");
byebye(true);
}
}
else
{
lasreader->header.global_encoding |= 1;
}
}
}
if (set_version_major != -1)
{
if (set_version_major != 1)
{
fprintf(stderr, "ERROR: unknown version_major %d\n", set_version_major);
byebye(true);
}
lasreader->header.version_major = (U8)set_version_major;
}
if (set_version_minor >= 0)
{
if (set_version_minor > 4)
{
fprintf(stderr, "ERROR: unknown version_minor %d\n", set_version_minor);
byebye(true);
}
if (set_version_minor < 3)
{
if (lasreader->header.version_minor == 3)
{
lasreader->header.header_size -= 8;
lasreader->header.offset_to_point_data -= 8;
}
else if (lasreader->header.version_minor >= 4)
{
lasreader->header.header_size -= (8 + 140);
lasreader->header.offset_to_point_data -= (8 + 140);
}
}
else if (set_version_minor == 3)
{
if (lasreader->header.version_minor < 3)
{
lasreader->header.header_size += 8;
lasreader->header.offset_to_point_data += 8;
lasreader->header.start_of_waveform_data_packet_record = 0;
}
else if (lasreader->header.version_minor >= 4)
{
lasreader->header.header_size -= 140;
lasreader->header.offset_to_point_data -= 140;
}
}
else if (set_version_minor == 4)
{
if (lasreader->header.version_minor < 3)
{
lasreader->header.header_size += (8 + 140);
lasreader->header.offset_to_point_data += (8 + 140);
lasreader->header.start_of_waveform_data_packet_record = 0;
}
else if (lasreader->header.version_minor == 3)
{
lasreader->header.header_size += 140;
lasreader->header.offset_to_point_data += 140;
}
}
if ((set_version_minor <= 3) && (lasreader->header.version_minor >= 4))
{
if (lasreader->header.point_data_format > 5)
{
switch (lasreader->header.point_data_format)
{
case 6:
fprintf(stderr, "WARNING: downgrading point_data_format from %d to 1\n", lasreader->header.point_data_format);
lasreader->header.point_data_format = 1;
fprintf(stderr, " and point_data_record_length from %d to %d\n", lasreader->header.point_data_record_length, lasreader->header.point_data_record_length - 2);
lasreader->header.point_data_record_length -= 2;
break;
case 7:
fprintf(stderr, "WARNING: downgrading point_data_format from %d to 3\n", lasreader->header.point_data_format);
lasreader->header.point_data_format = 3;
fprintf(stderr, " and point_data_record_length from %d to %d\n", lasreader->header.point_data_record_length, lasreader->header.point_data_record_length - 2);
lasreader->header.point_data_record_length -= 2;
break;
case 8:
fprintf(stderr, "WARNING: downgrading point_data_format from %d to 3\n", lasreader->header.point_data_format);
lasreader->header.point_data_format = 3;
fprintf(stderr, " and point_data_record_length from %d to %d\n", lasreader->header.point_data_record_length, lasreader->header.point_data_record_length - 4);
lasreader->header.point_data_record_length -= 4;
break;
case 9:
fprintf(stderr, "WARNING: downgrading point_data_format from %d to 4\n", lasreader->header.point_data_format);
lasreader->header.point_data_format = 4;
fprintf(stderr, " and point_data_record_length from %d to %d\n", lasreader->header.point_data_record_length, lasreader->header.point_data_record_length - 2);
lasreader->header.point_data_record_length -= 2;
break;
case 10:
fprintf(stderr, "WARNING: downgrading point_data_format from %d to 5\n", lasreader->header.point_data_format);
lasreader->header.point_data_format = 5;
fprintf(stderr, " and point_data_record_length from %d to %d\n", lasreader->header.point_data_record_length, lasreader->header.point_data_record_length - 4);
lasreader->header.point_data_record_length -= 4;
break;
default:
fprintf(stderr, "ERROR: unknown point_data_format %d\n", lasreader->header.point_data_format);
byebye(true);
}
}
point = new LASpoint;
point->init(&lasreader->header, lasreader->header.point_data_format, lasreader->header.point_data_record_length);
}
lasreader->header.version_minor = (U8)set_version_minor;
}
// are we supposed to change the point data format
if (set_point_data_format != -1)
{
if (set_point_data_format < 0 || set_point_data_format > 10)
{
fprintf(stderr, "ERROR: unknown point_data_format %d\n", set_point_data_format);
byebye(true);
}
// depending on the conversion we may need to copy the point
if (convert_point_type_from_to[lasreader->header.point_data_format][set_point_data_format])
{
if (point == 0) point = new LASpoint;
}
lasreader->header.point_data_format = (U8)set_point_data_format;
lasreader->header.clean_laszip();
switch (lasreader->header.point_data_format)
{
case 0:
lasreader->header.point_data_record_length = 20;
break;
case 1:
lasreader->header.point_data_record_length = 28;
break;
case 2:
lasreader->header.point_data_record_length = 26;
break;
case 3:
lasreader->header.point_data_record_length = 34;
break;
case 4:
lasreader->header.point_data_record_length = 57;
break;
case 5:
lasreader->header.point_data_record_length = 63;
break;
case 6:
lasreader->header.point_data_record_length = 30;
break;
case 7:
lasreader->header.point_data_record_length = 36;
break;
case 8:
lasreader->header.point_data_record_length = 38;
break;
case 9:
lasreader->header.point_data_record_length = 59;
break;
case 10:
lasreader->header.point_data_record_length = 67;
break;
}
}
// are we supposed to change the point data record length
if (set_point_data_record_length != -1)
{
I32 num_extra_bytes = 0;
switch (lasreader->header.point_data_format)
{
case 0:
num_extra_bytes = set_point_data_record_length - 20;
break;
case 1:
num_extra_bytes = set_point_data_record_length - 28;
break;
case 2:
num_extra_bytes = set_point_data_record_length - 26;
break;
case 3:
num_extra_bytes = set_point_data_record_length - 34;
break;
case 4:
num_extra_bytes = set_point_data_record_length - 57;
break;
case 5:
num_extra_bytes = set_point_data_record_length - 63;
break;
case 6:
num_extra_bytes = set_point_data_record_length - 30;
break;
case 7:
num_extra_bytes = set_point_data_record_length - 36;
break;
case 8:
num_extra_bytes = set_point_data_record_length - 38;
break;
case 9:
num_extra_bytes = set_point_data_record_length - 59;
break;
case 10:
num_extra_bytes = set_point_data_record_length - 67;
break;
}
if (num_extra_bytes < 0)
{
fprintf(stderr, "ERROR: point_data_format %d needs record length of at least %d\n", lasreader->header.point_data_format, set_point_data_record_length - num_extra_bytes);
byebye(true);
}
if (lasreader->header.point_data_record_length < set_point_data_record_length)
{
if (!point) point = new LASpoint;
}
lasreader->header.point_data_record_length = (U16)set_point_data_record_length;
lasreader->header.clean_laszip();
}
// if the point needs to be copied set up the data fields
if (point)
{
point->init(&lasreader->header, lasreader->header.point_data_format, lasreader->header.point_data_record_length);
}
// maybe we should remove some stuff
if (remove_extra_header)
{
lasreader->header.clean_user_data_in_header();
lasreader->header.clean_user_data_after_header();
}
if (remove_all_variable_length_records)
{
lasreader->header.clean_vlrs();
}
else
{
if (remove_variable_length_record != -1)
{
lasreader->header.remove_vlr(remove_variable_length_record);
}
if (remove_variable_length_record_from != -1)
{
for (i = remove_variable_length_record_to; i >= remove_variable_length_record_from; i--)
{
lasreader->header.remove_vlr(i);
}
}
}
if (remove_tiling_vlr)
{
lasreader->header.clean_lastiling();
}
if (remove_original_vlr)
{
lasreader->header.clean_lasoriginal();
}
// maybe we should add / change the projection information
LASquantizer* reproject_quantizer = 0;
LASquantizer* saved_quantizer = 0;
if (geoprojectionconverter.has_projection(true) || geoprojectionconverter.has_projection(false))
{
if (!geoprojectionconverter.has_projection(true) && lasreader->header.vlr_geo_keys)
{
geoprojectionconverter.set_projection_from_geo_keys(lasreader->header.vlr_geo_keys[0].number_of_keys, (GeoProjectionGeoKeys*)lasreader->header.vlr_geo_key_entries, lasreader->header.vlr_geo_ascii_params, lasreader->header.vlr_geo_double_params);
}
if (geoprojectionconverter.has_projection(true) && geoprojectionconverter.has_projection(false))
{
reproject_quantizer = new LASquantizer();
double point[3];
point[0] = (lasreader->header.min_x+lasreader->header.max_x)/2;
point[1] = (lasreader->header.min_y+lasreader->header.max_y)/2;
point[2] = (lasreader->header.min_z+lasreader->header.max_z)/2;
geoprojectionconverter.to_target(point);
reproject_quantizer->x_scale_factor = geoprojectionconverter.get_target_precision();
reproject_quantizer->y_scale_factor = geoprojectionconverter.get_target_precision();
reproject_quantizer->z_scale_factor = lasreader->header.z_scale_factor;
reproject_quantizer->x_offset = ((I64)((point[0]/reproject_quantizer->x_scale_factor)/10000000))*10000000*reproject_quantizer->x_scale_factor;
reproject_quantizer->y_offset = ((I64)((point[1]/reproject_quantizer->y_scale_factor)/10000000))*10000000*reproject_quantizer->y_scale_factor;
reproject_quantizer->z_offset = ((I64)((point[2]/reproject_quantizer->z_scale_factor)/10000000))*10000000*reproject_quantizer->z_scale_factor;
}
int number_of_keys;
GeoProjectionGeoKeys* geo_keys = 0;
int num_geo_double_params;
double* geo_double_params = 0;
if (geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params, !geoprojectionconverter.has_projection(false)))
{
lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
free(geo_keys);
if (geo_double_params)
{
lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
free(geo_double_params);
}
else
{
lasreader->header.del_geo_double_params();
}
lasreader->header.del_geo_ascii_params();
}
}
// do we need an extra pass
BOOL extra_pass = laswriteopener.is_piped();
// for piped output we need an extra pass
if (extra_pass)
{
if (lasreadopener.is_piped())
{
fprintf(stderr, "ERROR: input and output cannot both be piped\n");
usage(true);
}
if (verbose) fprintf(stderr, "extra pass for piped output: reading %lld points ...\n", lasreader->npoints);
// maybe seek to start position
if (subsequence_start) lasreader->seek(subsequence_start);
while (lasreader->read_point())
{
if (lasreader->p_count > subsequence_stop) break;
if (clip_to_bounding_box)
{
if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
{
continue;
}
}
if (reproject_quantizer)
{
lasreader->point.compute_coordinates();
geoprojectionconverter.to_target(lasreader->point.coordinates);
lasreader->point.compute_XYZ(reproject_quantizer);
}
lasinventory.add(&lasreader->point);
}
lasreader->close();
lasreader->header.number_of_point_records = lasinventory.number_of_point_records;
for (i = 0; i < 5; i++) lasreader->header.number_of_points_by_return[i] = lasinventory.number_of_points_by_return[i+1];
if (reproject_quantizer) lasreader->header = *reproject_quantizer;
lasreader->header.max_x = lasreader->header.get_x(lasinventory.max_X);
lasreader->header.min_x = lasreader->header.get_x(lasinventory.min_X);
lasreader->header.max_y = lasreader->header.get_y(lasinventory.max_Y);
lasreader->header.min_y = lasreader->header.get_y(lasinventory.min_Y);
lasreader->header.max_z = lasreader->header.get_z(lasinventory.max_Z);
lasreader->header.min_z = lasreader->header.get_z(lasinventory.min_Z);
// if (verbose) { fprintf(stderr,"extra pass took %g sec.\n", taketime()-start_time); start_time = taketime(); }
if (verbose) fprintf(stderr, "piped output: reading %lld and writing %d points ...\n", lasreader->npoints, lasinventory.number_of_point_records);
}
else
{
if (reproject_quantizer)
{
saved_quantizer = new LASquantizer();
*saved_quantizer = lasreader->header;
lasreader->header = *reproject_quantizer;
}
//if (verbose) fprintf(stderr, "reading %lld and writing all surviving points ...\n", lasreader->npoints);
}
// check output
if (!laswriteopener.active())
{
// create name from input name
laswriteopener.make_file_name(lasreadopener.get_file_name());
}
// prepare the header for the surviving points
strncpy(lasreader->header.system_identifier, "LAStools (c) by rapidlasso GmbH", 32);
lasreader->header.system_identifier[31] = '\0';
char temp[64];
sprintf(temp, "las2las (version %d)", LAS_TOOLS_VERSION);
strncpy(lasreader->header.generating_software, temp, 32);
lasreader->header.generating_software[31] = '\0';
LASwriter* laswriter = 0;
// open laswriter
if(is_mpi){
// remove any existing out file, before opening with MPI_File_open
if(rank==0){
remove(laswriteopener.get_file_name());
}
MPI_Barrier(MPI_COMM_WORLD);
}
laswriter = laswriteopener.open(&lasreader->header);
if (laswriter == 0)
{
fprintf(stderr, "ERROR: could not open laswriter\n");
byebye(true, argc==1);
}
// **************************************************************************************************
if(is_mpi == 1){ // jdw, we do this because only rank 0 now writes the header in laswriter_las.cpp
MPI_File fh = laswriter->get_MPI_File();
MPI_Offset offset;
//MPI_File_get_position(fh, &offset);
//printf ("offset %lld, rank %i fh %lld\n", offset, rank, fh);
if(rank==0){
MPI_File_get_position(fh, &offset);
}
MPI_Bcast(&offset, 1, MPI_OFFSET, 0, MPI_COMM_WORLD);
MPI_Barrier(MPI_COMM_WORLD);
MPI_File_seek(fh, offset, MPI_SEEK_SET);
}
// ****************************************************************************************************
// for piped output we need to re-open the input file
if (extra_pass)
{
if (!lasreadopener.reopen(lasreader))
{
fprintf(stderr, "ERROR: could not re-open lasreader\n");
byebye(true);
}
}
else
{
if (reproject_quantizer)
{
lasreader->header = *saved_quantizer;
delete saved_quantizer;
}
}
// maybe seek to start position
if (subsequence_start) lasreader->seek(subsequence_start);
// loop over points
if (point)
{
while (lasreader->read_point())
{
if (lasreader->p_count > subsequence_stop) break;
if (clip_to_bounding_box)
{
if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
{
continue;
}
}
if (reproject_quantizer)
{
lasreader->point.compute_coordinates();
geoprojectionconverter.to_target(lasreader->point.coordinates);
lasreader->point.compute_XYZ(reproject_quantizer);
}
*point = lasreader->point;
laswriter->write_point(point);
// without extra pass we need inventory of surviving points
if (!extra_pass) laswriter->update_inventory(point);
}
delete point;
point = 0;
}
else // ***************************** MPI ********************************************************
{
// ***** Determine the start and stop points for this process *****
I64 left_over_count = lasreader->npoints % process_count;
I64 process_points = lasreader->npoints / process_count;
subsequence_start = rank*process_points;
subsequence_stop = subsequence_start + process_points;
if(rank == process_count-1) subsequence_stop += left_over_count;
// ***** Set the input stream file offset for this process *****
// subsequence_start parameter gets cast to U32 in the implementation of seek and overflows for large files
// manually set the file offset instead for now
//((LASreaderLAS*)lasreader)->stream->seek(subsequence_start);
I64 header_end_read_position = lasreader->get_Stream()->tell();
//printf("header end %lld subseqence_start * 28 %lld rank %i\n", header_end_read_position, subsequence_start*28, rank);
lasreader->p_count = subsequence_start;
lasreader->get_Stream()->seek(header_end_read_position + subsequence_start*28);
//printf("seek pos first loop %lld rank %i\n", lasreader->get_Stream()->tell(), rank);
if (verbose) fprintf(stderr, "reading %lli points, rank %i\n", subsequence_stop - subsequence_start, rank);
// *****Read the file for the first time *****
// this first read and filter of the file is to gather a count of points that pass the filter so that
// write offsets can be set.
I64 filtered_count = 0;
//while (lasreader->read_point()){
lasreader->MPI_END_POINT = subsequence_stop;
while (lasreader->read_point())
{
filtered_count++;
}
// ***** Gather and set the write offset for this process *****
I64* filtered_counts = (I64*)malloc(process_count * sizeof(I64));
if(is_mpi)MPI_Barrier(MPI_COMM_WORLD);
filtered_counts[rank] = filtered_count;
if(is_mpi)MPI_Allgather(&filtered_count, 1, MPI_LONG_LONG, filtered_counts, 1, MPI_LONG_LONG, MPI_COMM_WORLD);
if(is_mpi)MPI_Barrier(MPI_COMM_WORLD);
if(debug) printf("filtered count %lli rank %i\n", filtered_counts[rank], rank);
if(is_mpi)MPI_Barrier(MPI_COMM_WORLD);
I64 write_point_offset = 0;
for (int k=0; k < rank; k++){
write_point_offset += filtered_counts[k];
}
if(is_mpi){
MPI_File fh = laswriter->get_MPI_File();
MPI_Offset cur = 0;
// jdw, todo, remove the hardcoding by adding methods to read point size from reader
MPI_File_seek(fh, write_point_offset*28, MPI_SEEK_CUR);
if(debug){
MPI_File_get_position(fh, &cur);
printf ("rank %i, write offset %lld\n", rank, write_point_offset*28);
}
}
if(is_mpi)MPI_Barrier(MPI_COMM_WORLD);
// ***** Read and filter the input file again, this time write the filtered point since output file offset in now known amd set *****
//lasreader->seek(subsequence_start); // subsequence_start parameter gets cast to U32 in the implementation and overflows for large files
// manually set the file offset instead for now
//printf("header end %lld subseqence_start * 28 %lld rank %i\n", header_end_read_position, subsequence_start*28, rank);
lasreader->p_count = subsequence_start;
lasreader->get_Stream()->seek(header_end_read_position + subsequence_start*28);
//printf("seek pos second loop %lld rank %i\n", lasreader->get_Stream()->tell(), rank);
lasreader->MPI_END_POINT = subsequence_stop;
while (lasreader->read_point())
{
//if (lasreader->p_count > subsequence_stop) break;
//if (clip_to_bounding_box)
//{
// if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
// {
// continue;
// }
// }
if (reproject_quantizer)
{
lasreader->point.compute_coordinates();
geoprojectionconverter.to_target(lasreader->point.coordinates);
lasreader->point.compute_XYZ(reproject_quantizer);
}
laswriter->write_point(&lasreader->point);
// without extra pass we need inventory of surviving points
if (!extra_pass){
laswriter->update_inventory(&lasreader->point);
}
}
//***** this is part of an mpi write optimization *****
laswriter->get_Stream()->flushBytes();
}
// without the extra pass we need to fix the header now
// ***** do the inventory reconciliation *****
// ***** Reduce inventory information in rank 0 *****
if (is_mpi){
U32 number_of_point_records = 0;
U32 number_of_points_by_return[8];
for(int i = 0; i<8; i++)number_of_points_by_return[i] = 0;
I32 max_X = 0;
I32 min_X = 0;
I32 max_Y = 0;
I32 min_Y = 0;
I32 max_Z = 0;
I32 min_Z = 0;
MPI_Reduce(&laswriter->inventory.number_of_point_records, &number_of_point_records, 1, MPI_UNSIGNED, MPI_SUM, 0, MPI_COMM_WORLD);
MPI_Reduce(laswriter->inventory.number_of_points_by_return, number_of_points_by_return, 8, MPI_UNSIGNED, MPI_SUM, 0, MPI_COMM_WORLD);
MPI_Reduce(&laswriter->inventory.max_X, &max_X, 1, MPI_INT, MPI_MAX, 0, MPI_COMM_WORLD);
MPI_Reduce(&laswriter->inventory.min_X, &min_X, 1, MPI_INT, MPI_MIN, 0, MPI_COMM_WORLD);
MPI_Reduce(&laswriter->inventory.max_Y, &max_Y, 1, MPI_INT, MPI_MAX, 0, MPI_COMM_WORLD);
MPI_Reduce(&laswriter->inventory.min_Y, &min_Y, 1, MPI_INT, MPI_MIN, 0, MPI_COMM_WORLD);
MPI_Reduce(&laswriter->inventory.max_Z, &max_Z, 1, MPI_INT, MPI_MAX, 0, MPI_COMM_WORLD);
MPI_Reduce(&laswriter->inventory.min_Z, &min_Z, 1, MPI_INT, MPI_MIN, 0, MPI_COMM_WORLD);
if (rank ==0){
laswriter->inventory.number_of_point_records = number_of_point_records;
for(int i=0; i<8; i++)laswriter->inventory.number_of_points_by_return[i] = number_of_points_by_return[i];
laswriter->inventory.max_X = max_X;
laswriter->inventory.min_X = min_X;
laswriter->inventory.max_Y = max_Y;
laswriter->inventory.min_Y = min_Y;
laswriter->inventory.max_Z = max_Z;
laswriter->inventory.min_Z = min_Z;
}
}
if(rank == 0){
if (!extra_pass)
{
if (reproject_quantizer) lasreader->header = *reproject_quantizer;
laswriter->update_header(&lasreader->header, TRUE);
}
}
if(is_mpi)MPI_Barrier(MPI_COMM_WORLD);
if (verbose) { fprintf(stderr,"%lli surviving points written by rank: %i\n", laswriter->p_count, rank); }
laswriter->close(FALSE);
if(is_mpi)MPI_Barrier(MPI_COMM_WORLD);
delete laswriter;
lasreader->close();
delete lasreader;
if (reproject_quantizer) delete reproject_quantizer;
}
if(is_mpi)MPI_Finalize();
time(&wall_end_time);
if (verbose) { fprintf(stderr,"total time %.f sec, cpu time: %g sec. rank: %i\n", difftime(wall_end_time, wall_start_time), taketime()-start_time, rank); }
return 0;
}
int main(int argc, char *argv[])
{
int i;
#ifdef COMPILE_WITH_GUI
bool gui = false;
#endif
#ifdef COMPILE_WITH_MULTI_CORE
I32 cores = 1;
#endif
bool verbose = false;
bool force = false;
// fixed header changes
int set_version_major = -1;
int set_version_minor = -1;
int set_point_data_format = -1;
int set_point_data_record_length = -1;
int set_gps_time_endcoding = -1;
// variable header changes
bool remove_extra_header = false;
bool remove_all_variable_length_records = false;
int remove_variable_length_record = -1;
bool remove_tiling_vlr = false;
bool remove_original_vlr = false;
// extract a subsequence
unsigned int subsequence_start = 0;
unsigned int subsequence_stop = U32_MAX;
// fix files with corrupt points
bool clip_to_bounding_box = false;
double start_time = 0;
LASreadOpener lasreadopener;
GeoProjectionConverter geoprojectionconverter;
LASwriteOpener laswriteopener;
if (argc == 1)
{
#ifdef COMPILE_WITH_GUI
return las2las_gui(argc, argv, 0);
#else
fprintf(stderr,"las2las.exe is better run in the command line or via the lastool.exe GUI\n");
char file_name[256];
fprintf(stderr,"enter input file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
lasreadopener.set_file_name(file_name);
fprintf(stderr,"enter output file: "); fgets(file_name, 256, stdin);
file_name[strlen(file_name)-1] = '\0';
laswriteopener.set_file_name(file_name);
#endif
}
else
{
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '–') argv[i][0] = '-';
if (strcmp(argv[i],"-week_to_adjusted") == 0)
{
set_gps_time_endcoding = 1;
}
else if (strcmp(argv[i],"-adjusted_to_week") == 0)
{
set_gps_time_endcoding = 0;
}
}
if (!geoprojectionconverter.parse(argc, argv)) byebye(true);
if (!lasreadopener.parse(argc, argv)) byebye(true);
if (!laswriteopener.parse(argc, argv)) byebye(true);
}
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '\0')
{
continue;
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"-help") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
usage();
}
else if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"-verbose") == 0)
{
verbose = true;
}
else if (strcmp(argv[i],"-version") == 0)
{
fprintf(stderr, "LAStools (by [email protected]) version %d\n", LAS_TOOLS_VERSION);
byebye();
}
else if (strcmp(argv[i],"-gui") == 0)
{
#ifdef COMPILE_WITH_GUI
gui = true;
#else
fprintf(stderr, "WARNING: not compiled with GUI support. ignoring '-gui' ...\n");
#endif
}
else if (strcmp(argv[i],"-cores") == 0)
{
#ifdef COMPILE_WITH_MULTI_CORE
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
usage(true);
}
argv[i][0] = '\0';
i++;
cores = atoi(argv[i]);
argv[i][0] = '\0';
#else
fprintf(stderr, "WARNING: not compiled with multi-core batching. ignoring '-cores' ...\n");
#endif
}
else if (strcmp(argv[i],"-force") == 0)
{
force = true;
}
else if (strcmp(argv[i],"-subseq") == 0)
{
if ((i+2) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 2 arguments: start stop\n", argv[i]);
byebye(true);
}
subsequence_start = (unsigned int)atoi(argv[i+1]); subsequence_stop = (unsigned int)atoi(argv[i+2]);
i+=2;
}
else if (strcmp(argv[i],"-start_at_point") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: start\n", argv[i]);
byebye(true);
}
subsequence_start = (unsigned int)atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-stop_at_point") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: stop\n", argv[i]);
byebye(true);
}
subsequence_stop = (unsigned int)atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-set_version") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: major.minor\n", argv[i]);
byebye(true);
}
if (sscanf(argv[i+1],"%d.%d",&set_version_major,&set_version_minor) != 2)
{
fprintf(stderr, "ERROR: cannot understand argument '%s' for '%s'\n", argv[i+1], argv[i]);
usage(true);
}
i+=1;
}
else if (strcmp(argv[i],"-set_version_major") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: major\n", argv[i]);
byebye(true);
}
set_version_major = atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-set_version_minor") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: minor\n", argv[i]);
byebye(true);
}
set_version_minor = atoi(argv[i+1]);
i+=1;
}
else if (strcmp(argv[i],"-remove_extra") == 0)
{
remove_extra_header = true;
}
else if (strcmp(argv[i],"-remove_all_vlrs") == 0 || strcmp(argv[i],"-remove_all_vlr") == 0)
{
remove_all_variable_length_records = true;
}
else if (strcmp(argv[i],"-remove_vlr") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: number\n", argv[i]);
byebye(true);
}
remove_variable_length_record = atoi(argv[i+1]);
i++;
}
else if (strcmp(argv[i],"-remove_tiling_vlr") == 0)
{
remove_tiling_vlr = true;
i++;
}
else if (strcmp(argv[i],"-remove_original_vlr") == 0)
{
remove_original_vlr = true;
i++;
}
else if (strcmp(argv[i],"-point_type") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: type\n", argv[i]);
byebye(true);
}
set_point_data_format = atoi(argv[i+1]);
i++;
}
else if (strcmp(argv[i],"-point_size") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: size\n", argv[i]);
byebye(true);
}
set_point_data_record_length = atoi(argv[i+1]);
i++;
}
else if (strcmp(argv[i],"-clip_to_bounding_box") == 0 || strcmp(argv[i],"-clip_to_bbox") == 0)
{
clip_to_bounding_box = true;
}
else if ((argv[i][0] != '-') && (lasreadopener.get_file_name_number() == 0))
{
lasreadopener.add_file_name(argv[i]);
argv[i][0] = '\0';
}
else
{
fprintf(stderr, "ERROR: cannot understand argument '%s'\n", argv[i]);
usage(true);
}
}
#ifdef COMPILE_WITH_GUI
if (gui)
{
return las2las_gui(argc, argv, &lasreadopener);
}
#endif
#ifdef COMPILE_WITH_MULTI_CORE
if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.get_merged()))
{
return las2las_multi_core(argc, argv, &geoprojectionconverter, &lasreadopener, &laswriteopener, cores);
}
#endif
// check input
if (!lasreadopener.active())
{
fprintf(stderr,"ERROR: no input specified\n");
usage(true, argc==1);
}
BOOL extra_pass = laswriteopener.is_piped();
// for piped output we need an extra pass
if (extra_pass)
{
if (lasreadopener.is_piped())
{
fprintf(stderr, "ERROR: input and output cannot both be piped\n");
usage(true);
}
}
// make sure we do not corrupt the input file
if (lasreadopener.get_file_name() && laswriteopener.get_file_name() && (strcmp(lasreadopener.get_file_name(), laswriteopener.get_file_name()) == 0))
{
fprintf(stderr, "ERROR: input and output file name are identical\n");
usage(true);
}
// possibly loop over multiple input files
while (lasreadopener.active())
{
if (verbose) start_time = taketime();
// open lasreader
LASreader* lasreader = lasreadopener.open();
if (lasreader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
usage(true, argc==1);
}
// store the inventory for the header
LASinventory lasinventory;
// the point we write sometimes needs to be copied
LASpoint* point = 0;
// prepare the header for output
if (set_gps_time_endcoding != -1)
{
if (set_gps_time_endcoding == 0)
{
if ((lasreader->header.global_encoding & 1) == 0)
{
fprintf(stderr, "WARNING: global encoding indicates file already in GPS week time\n");
if (force)
{
fprintf(stderr, " forced conversion.\n");
}
else
{
fprintf(stderr, " use '-force' to force conversion.\n");
byebye(true);
}
}
else
{
lasreader->header.global_encoding &= ~1;
}
}
else if (set_gps_time_endcoding == 1)
{
if ((lasreader->header.global_encoding & 1) == 1)
{
fprintf(stderr, "WARNING: global encoding indicates file already in Adjusted Standard GPS time\n");
if (force)
{
fprintf(stderr, " forced conversion.\n");
}
else
{
fprintf(stderr, " use '-force' to force conversion.\n");
byebye(true);
}
}
else
{
lasreader->header.global_encoding |= 1;
}
}
}
if (set_version_major != -1)
{
if (set_version_major != 1)
{
fprintf(stderr, "ERROR: unknown version_major %d\n", set_version_major);
byebye(true);
}
lasreader->header.version_major = (U8)set_version_major;
}
if (set_version_minor >= 0)
{
if (set_version_minor > 4)
{
fprintf(stderr, "ERROR: unknown version_minor %d\n", set_version_minor);
byebye(true);
}
if (set_version_minor < 3)
{
if (lasreader->header.version_minor == 3)
{
lasreader->header.header_size -= 8;
lasreader->header.offset_to_point_data -= 8;
}
else if (lasreader->header.version_minor >= 4)
{
lasreader->header.header_size -= (8 + 140);
lasreader->header.offset_to_point_data -= (8 + 140);
}
}
else if (set_version_minor == 3)
{
if (lasreader->header.version_minor < 3)
{
lasreader->header.header_size += 8;
lasreader->header.offset_to_point_data += 8;
lasreader->header.start_of_waveform_data_packet_record = 0;
}
else if (lasreader->header.version_minor >= 4)
{
lasreader->header.header_size -= 140;
lasreader->header.offset_to_point_data -= 140;
}
}
else if (set_version_minor == 4)
{
if (lasreader->header.version_minor < 3)
{
lasreader->header.header_size += (8 + 140);
lasreader->header.offset_to_point_data += (8 + 140);
lasreader->header.start_of_waveform_data_packet_record = 0;
}
else if (lasreader->header.version_minor == 3)
{
lasreader->header.header_size += 140;
lasreader->header.offset_to_point_data += 140;
}
}
lasreader->header.version_minor = (U8)set_version_minor;
}
// are we supposed to change the point data format
if (set_point_data_format != -1)
{
if (set_point_data_format < 0 || set_point_data_format >= 6)
{
fprintf(stderr, "ERROR: unknown point_data_format %d\n", set_point_data_format);
byebye(true);
}
// depending on the conversion we may need to copy the point
if (convert_point_type_from_to[lasreader->header.point_data_format][set_point_data_format])
{
point = new LASpoint;
}
lasreader->header.point_data_format = (U8)set_point_data_format;
lasreader->header.clean_laszip();
switch (lasreader->header.point_data_format)
{
case 0:
lasreader->header.point_data_record_length = 20;
break;
case 1:
lasreader->header.point_data_record_length = 28;
break;
case 2:
lasreader->header.point_data_record_length = 26;
break;
case 3:
lasreader->header.point_data_record_length = 34;
break;
case 4:
lasreader->header.point_data_record_length = 57;
break;
case 5:
lasreader->header.point_data_record_length = 63;
break;
}
}
// are we supposed to change the point data record length
if (set_point_data_record_length != -1)
{
I32 num_extra_bytes = 0;
switch (lasreader->header.point_data_format)
{
case 0:
num_extra_bytes = set_point_data_record_length - 20;
break;
case 1:
num_extra_bytes = set_point_data_record_length - 28;
break;
case 2:
num_extra_bytes = set_point_data_record_length - 26;
break;
case 3:
num_extra_bytes = set_point_data_record_length - 34;
break;
case 4:
num_extra_bytes = set_point_data_record_length - 57;
break;
case 5:
num_extra_bytes = set_point_data_record_length - 63;
break;
}
if (num_extra_bytes < 0)
{
fprintf(stderr, "ERROR: point_data_format %d needs record length of at least %d\n", lasreader->header.point_data_format, set_point_data_record_length - num_extra_bytes);
byebye(true);
}
if (lasreader->header.point_data_record_length < set_point_data_record_length)
{
if (!point) point = new LASpoint;
}
lasreader->header.point_data_record_length = (U16)set_point_data_record_length;
lasreader->header.clean_laszip();
}
// if the point needs to be copied set up the data fields
if (point)
{
point->init(&lasreader->header, lasreader->header.point_data_format, lasreader->header.point_data_record_length);
}
// maybe we should remove some stuff
if (remove_extra_header)
{
lasreader->header.clean_user_data_in_header();
lasreader->header.clean_user_data_after_header();
}
if (remove_all_variable_length_records)
{
lasreader->header.clean_vlrs();
}
if (remove_variable_length_record != -1)
{
lasreader->header.remove_vlr(remove_variable_length_record);
}
if (remove_tiling_vlr)
{
lasreader->header.clean_lastiling();
}
if (remove_original_vlr)
{
lasreader->header.clean_lasoriginal();
}
// maybe we should add / change the projection information
LASquantizer* reproject_quantizer = 0;
LASquantizer* saved_quantizer = 0;
if (geoprojectionconverter.has_projection(true) || geoprojectionconverter.has_projection(false))
{
if (!geoprojectionconverter.has_projection(true) && lasreader->header.vlr_geo_keys)
{
geoprojectionconverter.set_projection_from_geo_keys(lasreader->header.vlr_geo_keys[0].number_of_keys, (GeoProjectionGeoKeys*)lasreader->header.vlr_geo_key_entries, lasreader->header.vlr_geo_ascii_params, lasreader->header.vlr_geo_double_params);
}
if (geoprojectionconverter.has_projection(true) && geoprojectionconverter.has_projection(false))
{
reproject_quantizer = new LASquantizer();
double point[3];
point[0] = (lasreader->header.min_x+lasreader->header.max_x)/2;
point[1] = (lasreader->header.min_y+lasreader->header.max_y)/2;
point[2] = (lasreader->header.min_z+lasreader->header.max_z)/2;
geoprojectionconverter.to_target(point);
reproject_quantizer->x_scale_factor = geoprojectionconverter.get_target_precision();
reproject_quantizer->y_scale_factor = geoprojectionconverter.get_target_precision();
reproject_quantizer->z_scale_factor = lasreader->header.z_scale_factor;
reproject_quantizer->x_offset = ((I64)((point[0]/reproject_quantizer->x_scale_factor)/10000000))*10000000*reproject_quantizer->x_scale_factor;
reproject_quantizer->y_offset = ((I64)((point[1]/reproject_quantizer->y_scale_factor)/10000000))*10000000*reproject_quantizer->y_scale_factor;
reproject_quantizer->z_offset = ((I64)((point[2]/reproject_quantizer->z_scale_factor)/10000000))*10000000*reproject_quantizer->z_scale_factor;
}
int number_of_keys;
GeoProjectionGeoKeys* geo_keys = 0;
int num_geo_double_params;
double* geo_double_params = 0;
if (geoprojectionconverter.get_geo_keys_from_projection(number_of_keys, &geo_keys, num_geo_double_params, &geo_double_params, !geoprojectionconverter.has_projection(false)))
{
lasreader->header.set_geo_keys(number_of_keys, (LASvlr_key_entry*)geo_keys);
free(geo_keys);
if (geo_double_params)
{
lasreader->header.set_geo_double_params(num_geo_double_params, geo_double_params);
free(geo_double_params);
}
else
{
lasreader->header.del_geo_double_params();
}
lasreader->header.del_geo_ascii_params();
}
}
// do we need an extra pass
BOOL extra_pass = laswriteopener.is_piped();
// for piped output we need an extra pass
if (extra_pass)
{
if (lasreadopener.is_piped())
{
fprintf(stderr, "ERROR: input and output cannot both be piped\n");
usage(true);
}
#ifdef _WIN32
if (verbose) fprintf(stderr, "extra pass for piped output: reading %I64d points ...\n", lasreader->npoints);
#else
if (verbose) fprintf(stderr, "extra pass for piped output: reading %lld points ...\n", lasreader->npoints);
#endif
// maybe seek to start position
if (subsequence_start) lasreader->seek(subsequence_start);
while (lasreader->read_point())
{
if (lasreader->p_count > subsequence_stop) break;
if (clip_to_bounding_box)
{
if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
{
continue;
}
}
if (reproject_quantizer)
{
lasreader->point.compute_coordinates();
geoprojectionconverter.to_target(lasreader->point.coordinates);
lasreader->point.compute_xyz(reproject_quantizer);
}
lasinventory.add(&lasreader->point);
}
lasreader->close();
lasreader->header.number_of_point_records = lasinventory.number_of_point_records;
for (i = 0; i < 5; i++) lasreader->header.number_of_points_by_return[i] = lasinventory.number_of_points_by_return[i+1];
if (reproject_quantizer) lasreader->header = *reproject_quantizer;
lasreader->header.max_x = lasreader->header.get_x(lasinventory.raw_max_x);
lasreader->header.min_x = lasreader->header.get_x(lasinventory.raw_min_x);
lasreader->header.max_y = lasreader->header.get_y(lasinventory.raw_max_y);
lasreader->header.min_y = lasreader->header.get_y(lasinventory.raw_min_y);
lasreader->header.max_z = lasreader->header.get_z(lasinventory.raw_max_z);
lasreader->header.min_z = lasreader->header.get_z(lasinventory.raw_min_z);
if (verbose) { fprintf(stderr,"extra pass took %g sec.\n", taketime()-start_time); start_time = taketime(); }
#ifdef _WIN32
if (verbose) fprintf(stderr, "piped output: reading %I64d and writing %u points ...\n", lasreader->npoints, lasinventory.number_of_point_records);
#else
if (verbose) fprintf(stderr, "piped output: reading %lld and writing %u points ...\n", lasreader->npoints, lasinventory.number_of_point_records);
#endif
}
else
{
if (reproject_quantizer)
{
saved_quantizer = new LASquantizer();
*saved_quantizer = lasreader->header;
lasreader->header = *reproject_quantizer;
}
#ifdef _WIN32
if (verbose) fprintf(stderr, "reading %I64d and writing all surviving points ...\n", lasreader->npoints);
#else
if (verbose) fprintf(stderr, "reading %lld and writing all surviving points ...\n", lasreader->npoints);
#endif
}
// check output
if (!laswriteopener.active())
{
// create name from input name
laswriteopener.make_file_name(lasreadopener.get_file_name());
}
// prepare the header for the surviving points
strncpy(lasreader->header.system_identifier, "LAStools (c) by Martin Isenburg", 32);
lasreader->header.system_identifier[31] = '\0';
char temp[64];
sprintf(temp, "las2las (version %d)", LAS_TOOLS_VERSION);
strncpy(lasreader->header.generating_software, temp, 32);
lasreader->header.generating_software[31] = '\0';
// open laswriter
LASwriter* laswriter = laswriteopener.open(&lasreader->header);
if (laswriter == 0)
{
fprintf(stderr, "ERROR: could not open laswriter\n");
byebye(true, argc==1);
}
// for piped output we need to re-open the input file
if (extra_pass)
{
if (!lasreadopener.reopen(lasreader))
{
fprintf(stderr, "ERROR: could not re-open lasreader\n");
byebye(true);
}
}
else
{
if (reproject_quantizer)
{
lasreader->header = *saved_quantizer;
delete saved_quantizer;
}
}
// maybe seek to start position
if (subsequence_start) lasreader->seek(subsequence_start);
// loop over points
if (point)
{
while (lasreader->read_point())
{
if (lasreader->p_count > subsequence_stop) break;
if (clip_to_bounding_box)
{
if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
{
continue;
}
}
if (reproject_quantizer)
{
lasreader->point.compute_coordinates();
geoprojectionconverter.to_target(lasreader->point.coordinates);
lasreader->point.compute_xyz(reproject_quantizer);
}
*point = lasreader->point;
laswriter->write_point(point);
// without extra pass we need inventory of surviving points
if (!extra_pass) laswriter->update_inventory(point);
}
delete point;
point = 0;
}
else
{
while (lasreader->read_point())
{
if (lasreader->p_count > subsequence_stop) break;
if (clip_to_bounding_box)
{
if (!lasreader->point.inside_box(lasreader->header.min_x, lasreader->header.min_y, lasreader->header.min_z, lasreader->header.max_x, lasreader->header.max_y, lasreader->header.max_z))
{
continue;
}
}
if (reproject_quantizer)
{
lasreader->point.compute_coordinates();
geoprojectionconverter.to_target(lasreader->point.coordinates);
lasreader->point.compute_xyz(reproject_quantizer);
}
laswriter->write_point(&lasreader->point);
// without extra pass we need inventory of surviving points
if (!extra_pass) laswriter->update_inventory(&lasreader->point);
}
}
// without the extra pass we need to fix the header now
if (!extra_pass)
{
if (reproject_quantizer) lasreader->header = *reproject_quantizer;
laswriter->update_header(&lasreader->header, TRUE);
if (verbose) { fprintf(stderr,"total time: %g sec. written %u surviving points.\n", taketime()-start_time, (U32)laswriter->p_count); }
}
else
{
if (verbose) { fprintf(stderr,"main pass took %g sec.\n", taketime()-start_time); }
}
laswriter->close();
delete laswriter;
lasreader->close();
delete lasreader;
if (reproject_quantizer) delete reproject_quantizer;
laswriteopener.set_file_name(0);
}
byebye(false, argc==1);
return 0;
}
