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[])
{
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 diff = false;
bool verbose = false;
CHAR separator_sign = ' ';
CHAR* separator = "space";
bool opts = false;
bool optx = false;
CHAR header_comment_sign = '\0';
CHAR* parse_string = 0;
CHAR* extra_string = 0;
CHAR printstring[512];
double start_time = 0.0;
LASreadOpener lasreadopener;
LASwriteOpener laswriteopener;
laswriteopener.set_format("txt");
if (argc == 1)
{
#ifdef COMPILE_WITH_GUI
return las2txt_gui(argc, argv, 0);
#else
fprintf(stderr,"las2txt.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],"-opts") == 0)
{
opts = TRUE;
*argv[i]='\0';
}
else if (strcmp(argv[i],"-optx") == 0)
{
optx = TRUE;
*argv[i]='\0';
}
}
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],"-parse") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: string\n", argv[i]);
usage(true);
}
i++;
if (parse_string) free(parse_string);
parse_string = strdup(argv[i]);
}
else if (strcmp(argv[i],"-parse_all") == 0)
{
if (parse_string) free(parse_string);
parse_string = strdup("txyzirndecaup");
}
else if (strcmp(argv[i],"-extra") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: string\n", argv[i]);
usage(true);
}
i++;
extra_string = argv[i];
}
else if (strcmp(argv[i],"-sep") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: separator\n", argv[i]);
usage(true);
}
i++;
separator = argv[i];
if (strcmp(separator,"comma") == 0 || strcmp(separator,"komma") == 0)
{
separator_sign = ',';
}
else if (strcmp(separator,"tab") == 0)
{
separator_sign = '\t';
}
else if (strcmp(separator,"dot") == 0 || strcmp(separator,"period") == 0)
{
separator_sign = '.';
}
else if (strcmp(separator,"colon") == 0)
{
separator_sign = ':';
}
else if (strcmp(separator,"semicolon") == 0)
{
separator_sign = ';';
}
else if (strcmp(separator,"hyphen") == 0 || strcmp(separator,"minus") == 0)
{
separator_sign = '-';
}
else if (strcmp(separator,"space") == 0)
{
separator_sign = ' ';
}
else
{
fprintf(stderr, "ERROR: unknown seperator '%s'\n",separator);
usage(true);
}
}
else if (strcmp(argv[i],"-header") == 0)
{
if ((i+1) >= argc)
{
fprintf(stderr,"ERROR: '%s' needs 1 argument: comment\n", argv[i]);
usage(true);
}
i++;
if (strcmp(argv[i],"comma") == 0 || strcmp(argv[i],"komma") == 0)
{
header_comment_sign = ',';
}
else if (strcmp(argv[i],"colon") == 0)
{
header_comment_sign = ':';
}
else if (strcmp(argv[i],"scolon") == 0 || strcmp(argv[i],"semicolon") == 0)
{
header_comment_sign = ';';
}
else if (strcmp(argv[i],"pound") == 0 || strcmp(argv[i],"hash") == 0)
{
header_comment_sign = '#';
}
else if (strcmp(argv[i],"percent") == 0)
{
header_comment_sign = '%';
}
else if (strcmp(argv[i],"dollar") == 0)
{
header_comment_sign = '$';
}
else if (strcmp(argv[i],"star") == 0)
{
header_comment_sign = '*';
}
else
{
fprintf(stderr, "ERROR: unknown header comment symbol '%s'\n",argv[i]);
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 las2txt_gui(argc, argv, &lasreadopener);
}
#endif
#ifdef COMPILE_WITH_MULTI_CORE
if ((cores > 1) && (lasreadopener.get_file_name_number() > 1) && (!lasreadopener.is_merged()))
{
return las2txt_multi_core(argc, argv, &lasreadopener, &laswriteopener, cores);
}
#endif
// check input
if (!lasreadopener.active())
{
fprintf(stderr,"ERROR: no input specified\n");
byebye(true, argc == 1);
}
// 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");
byebye(true, argc==1);
}
// (maybe) open laswaveform13reader
LASwaveform13reader* laswaveform13reader = lasreadopener.open_waveform13(&lasreader->header);
// get a pointer to the header
LASheader* header = &(lasreader->header);
// open output file
FILE* file_out;
if (laswriteopener.is_piped())
{
file_out = stdout;
}
else
{
// create output file name if needed
if (laswriteopener.get_file_name() == 0)
{
if (lasreadopener.get_file_name() == 0)
{
fprintf(stderr, "ERROR: no output file specified\n");
byebye(true, argc==1);
}
laswriteopener.make_file_name(lasreadopener.get_file_name(), -2);
}
const CHAR* file_name_out = laswriteopener.get_file_name();
// open output file
file_out = fopen(file_name_out, "w");
// fail if output file does not open
if (file_out == 0)
{
fprintf(stderr, "ERROR: could not open '%s' for write\n", file_name_out);
byebye(true, argc==1);
}
laswriteopener.set_file_name(0);
}
// maybe PTS or PTX format
if (opts)
{
// look for VRL with PTS or PTX info
const LASvlr* ptsVLR = 0;
const LASvlr* ptxVLR = 0;
if ((ptsVLR = header->get_vlr("LAStools", 2000)) || (ptxVLR = header->get_vlr("LAStools", 2001)))
{
if ((parse_string == 0) || (strcmp(parse_string, "original") == 0))
{
if (parse_string) free(parse_string);
if (ptsVLR && (ptsVLR->record_length_after_header >= 32))
{
parse_string = strdup((CHAR*)(ptsVLR->data + 16));
}
else if (ptxVLR && (ptxVLR->record_length_after_header >= 32))
{
parse_string = strdup((CHAR*)(ptxVLR->data + 16));
}
else if (ptsVLR)
{
fprintf(stderr, "WARNING: found VLR for PTS with wrong payload size of %d.\n", ptsVLR->record_length_after_header);
}
else if (ptxVLR)
{
fprintf(stderr, "WARNING: found VLR for PTX with wrong payload size of %d.\n", ptxVLR->record_length_after_header);
}
}
}
else
{
fprintf(stderr, "WARNING: found no VLR with PTS or PTX info.\n");
}
if (header->version_minor >= 4)
{
#ifdef _WIN32
fprintf(file_out, "%I64d \012", header->extended_number_of_point_records);
#else
fprintf(file_out, "%lld \012", header->extended_number_of_point_records);
#endif
}
else
{
fprintf(file_out, "%u \012", header->number_of_point_records);
}
if (parse_string && strcmp(parse_string, "xyz") && strcmp(parse_string, "xyzi") && strcmp(parse_string, "xyziRGB") && strcmp(parse_string, "xyzRGB"))
{
fprintf(stderr, "WARNING: the parse string for PTS should be 'xyz', 'xyzi', 'xyziRGB', or 'xyzRGB'\n");
}
if (separator_sign != ' ')
{
fprintf(stderr, "WARNING: the separator for PTS should be 'space' not '%s'\n", separator);
}
}
else if (optx)
{
// look for VRL with PTX info
const LASvlr* ptxVLR = header->get_vlr("LAStools", 2001);
if (ptxVLR && (ptxVLR->record_length_after_header == 272))
{
U8* payload = ptxVLR->data;
if ((parse_string == 0) || (strcmp(parse_string, "original") == 0))
{
if (parse_string) free(parse_string);
parse_string = strdup((CHAR*)(payload + 16));
}
fprintf(file_out, "%u \012", (U32)((I64*)payload)[4]); // ncols
fprintf(file_out, "%u \012", (U32)((I64*)payload)[5]); // nrows
fprintf(file_out, "%g %g %g\012", ((F64*)payload)[6], ((F64*)payload)[7], ((F64*)payload)[8]); // translation
fprintf(file_out, "%g %g %g\012", ((F64*)payload)[9], ((F64*)payload)[10], ((F64*)payload)[11]); // rotation_row_0
fprintf(file_out, "%g %g %g\012", ((F64*)payload)[12], ((F64*)payload)[13], ((F64*)payload)[14]); // rotation_row_1
fprintf(file_out, "%g %g %g\012", ((F64*)payload)[15], ((F64*)payload)[16], ((F64*)payload)[17]); // rotation_row_2
fprintf(file_out, "%g %g %g %g\012", ((F64*)payload)[18], ((F64*)payload)[19], ((F64*)payload)[20], ((F64*)payload)[21]); // transformation_row_0
fprintf(file_out, "%g %g %g %g\012", ((F64*)payload)[22], ((F64*)payload)[23], ((F64*)payload)[24], ((F64*)payload)[25]); // transformation_row_0
fprintf(file_out, "%g %g %g %g\012", ((F64*)payload)[26], ((F64*)payload)[27], ((F64*)payload)[28], ((F64*)payload)[29]); // transformation_row_0
fprintf(file_out, "%g %g %g %g\012", ((F64*)payload)[30], ((F64*)payload)[31], ((F64*)payload)[32], ((F64*)payload)[33]); // transformation_row_0
}
else
{
if (ptxVLR)
{
fprintf(stderr, "WARNING: found VLR for PTX with wrong payload size of %d.\n", ptxVLR->record_length_after_header);
}
else
{
fprintf(stderr, "WARNING: found no VLR with PTX info.\n");
}
fprintf(stderr, " outputting PTS instead ...\n");
if (header->version_minor >= 4)
{
#ifdef _WIN32
fprintf(file_out, "%I64d \012", header->extended_number_of_point_records);
#else
fprintf(file_out, "%lld \012", header->extended_number_of_point_records);
#endif
}
else
{
fprintf(file_out, "%u \012", header->number_of_point_records);
}
}
if (parse_string && strcmp(parse_string, "xyz") && strcmp(parse_string, "xyzi") && strcmp(parse_string, "xyziRGB") && strcmp(parse_string, "xyzRGB"))
{
fprintf(stderr, "WARNING: the parse string for PTX should be 'xyz', 'xyzi', 'xyziRGB', or 'xyzRGB'\n");
}
if (separator_sign != ' ')
{
fprintf(stderr, "WARNING: the separator for PTX should be 'space' not '%s'\n", separator);
}
}
else if (header_comment_sign)
{
// output header info
fprintf(file_out, "%c file signature: '%.4s'\012", header_comment_sign, header->file_signature);
fprintf(file_out, "%c file source ID: %d\012", header_comment_sign, header->file_source_ID);
fprintf(file_out, "%c reserved (global encoding):%d\012", header_comment_sign, header->global_encoding);
fprintf(file_out, "%c project ID GUID data 1-4: %d %d %d '%.8s'\012", header_comment_sign, header->project_ID_GUID_data_1, header->project_ID_GUID_data_2, header->project_ID_GUID_data_3, header->project_ID_GUID_data_4);
fprintf(file_out, "%c version major.minor: %d.%d\012", header_comment_sign, header->version_major, header->version_minor);
fprintf(file_out, "%c system_identifier: '%.32s'\012", header_comment_sign, header->system_identifier);
fprintf(file_out, "%c generating_software: '%.32s'\012", header_comment_sign, header->generating_software);
fprintf(file_out, "%c file creation day/year: %d/%d\012", header_comment_sign, header->file_creation_day, header->file_creation_year);
fprintf(file_out, "%c header size %d\012", header_comment_sign, header->header_size);
fprintf(file_out, "%c offset to point data %u\012", header_comment_sign, header->offset_to_point_data);
fprintf(file_out, "%c number var. length records %u\012", header_comment_sign, header->number_of_variable_length_records);
fprintf(file_out, "%c point data format %d\012", header_comment_sign, header->point_data_format);
fprintf(file_out, "%c point data record length %d\012", header_comment_sign, header->point_data_record_length);
fprintf(file_out, "%c number of point records %u\012", header_comment_sign, header->number_of_point_records);
fprintf(file_out, "%c number of points by return %u %u %u %u %u\012", header_comment_sign, header->number_of_points_by_return[0], header->number_of_points_by_return[1], header->number_of_points_by_return[2], header->number_of_points_by_return[3], header->number_of_points_by_return[4]);
fprintf(file_out, "%c scale factor x y z %g %g %g\012", header_comment_sign, header->x_scale_factor, header->y_scale_factor, header->z_scale_factor);
fprintf(file_out, "%c offset x y z ", header_comment_sign); lidardouble2string(printstring, header->x_offset); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->y_offset); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->z_offset); fprintf(file_out, "%s\012", printstring);
fprintf(file_out, "%c min x y z ", header_comment_sign); lidardouble2string(printstring, header->min_x, header->x_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->min_y, header->y_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->min_z, header->z_scale_factor); fprintf(file_out, "%s\012", printstring);
fprintf(file_out, "%c max x y z ", header_comment_sign); lidardouble2string(printstring, header->max_x, header->x_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->max_y, header->y_scale_factor); fprintf(file_out, "%s ", printstring); lidardouble2string(printstring, header->max_z, header->z_scale_factor); fprintf(file_out, "%s\012", printstring);
}
// maybe create default parse string
if (parse_string == 0) parse_string = strdup("xyz");
// check requested fields and print warnings of necessary
i = 0;
while (parse_string[i])
{
switch (parse_string[i])
{
case 'x': // the x coordinate
case 'y': // the y coordinate
case 'z': // the z coordinate
case 'X': // the unscaled raw integer X coordinate
case 'Y': // the unscaled raw integer Y coordinate
case 'Z': // the unscaled raw integer Z coordinate
case 'i': // the intensity
case 'a': // the scan angle
case 'r': // the number of the return
case 'c': // the classification
case 'u': // the user data
case 'n': // the number of returns of given pulse
case 'p': // the point source ID
case 'e': // the edge of flight line flag
case 'd': // the direction of scan flag
case 'm': // the index of the point (count starts at 0)
case 'M': // the index of the point (count starts at 0)
break;
case 't': // the gps-time
if (lasreader->point.have_gps_time == false)
fprintf (stderr, "WARNING: requested 't' but points do not have gps time\n");
break;
case 'R': // the red channel of the RGB field
if (lasreader->point.have_rgb == false)
fprintf (stderr, "WARNING: requested 'R' but points do not have rgb\n");
break;
case 'G': // the green channel of the RGB field
if (lasreader->point.have_rgb == false)
fprintf (stderr, "WARNING: requested 'G' but points do not have rgb\n");
break;
case 'B': // the blue channel of the RGB field
if (lasreader->point.have_rgb == false)
fprintf (stderr, "WARNING: requested 'B' but points do not have rgb\n");
break;
case 'w': // the wavepacket index
if (lasreader->point.have_wavepacket == false)
fprintf (stderr, "WARNING: requested 'w' but points do not have wavepacket\n");
break;
case 'W': // all wavepacket attributes
if (lasreader->point.have_wavepacket == false)
fprintf (stderr, "WARNING: requested 'W' but points do not have wavepacket\n");
break;
case 'V': // the waveform data
if (laswaveform13reader == 0)
{
fprintf (stderr, "WARNING: requested 'V' but no waveform data available\n");
fprintf (stderr, " omitting ...\n");
}
break;
case ')':
case '!':
case '@':
case '#':
case '$':
case '%':
case '^':
case '&':
case '*':
case '(':
diff = true;
break;
case 'E':
if (extra_string == 0)
{
fprintf (stderr, "WARNING: requested 'E' but no '-extra' specified\n");
parse_string[i] = 's';
}
break;
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
if ((parse_string[i] - '0') >= lasreader->header.number_attributes)
{
fprintf(stderr, "WARNING: attribute '%d' does not exist.\n", (parse_string[i] - '0'));
parse_string[i] = 's';
}
else
{
attribute_starts[(parse_string[i] - '0')] = lasreader->header.get_attribute_start((parse_string[i] - '0'));
}
break;
default:
fprintf (stderr, "WARNING: requested unknown parse item '%c'\n", parse_string[i]);
}
i++;
}
// in case diff is requested
int last_XYZ[3] = {0,0,0};
unsigned short last_RGB[4] = {0,0,0};
double last_GPSTIME = 0;
// read and convert the points to ASCII
#ifdef _WIN32
if (verbose) fprintf(stderr,"processing %I64d points with '%s'.\n", lasreader->npoints, parse_string);
#else
if (verbose) fprintf(stderr,"processing %lld points with '%s'.\n", lasreader->npoints, parse_string);
#endif
while (lasreader->read_point())
{
i = 0;
while (true)
{
switch (parse_string[i])
{
case 'x': // the x coordinate
lidardouble2string(printstring, lasreader->point.get_x(), lasreader->header.x_scale_factor); fprintf(file_out, "%s", printstring);
break;
case 'y': // the y coordinate
lidardouble2string(printstring, lasreader->point.get_y(), lasreader->header.y_scale_factor); fprintf(file_out, "%s", printstring);
break;
case 'z': // the z coordinate
lidardouble2string(printstring, lasreader->point.get_z(), lasreader->header.z_scale_factor); fprintf(file_out, "%s", printstring);
break;
case 'X': // the unscaled raw integer X coordinate
fprintf(file_out, "%d", lasreader->point.get_X());
break;
case 'Y': // the unscaled raw integer Y coordinate
fprintf(file_out, "%d", lasreader->point.get_Y());
break;
case 'Z': // the unscaled raw integer Z coordinate
fprintf(file_out, "%d", lasreader->point.get_Z());
break;
case 't': // the gps-time
fprintf(file_out, "%.6f", lasreader->point.get_gps_time());
break;
case 'i': // the intensity
if (opts)
fprintf(file_out, "%d", -2048 + lasreader->point.get_intensity());
else if (optx)
{
int len;
len = sprintf(printstring, "%.3f", 1.0f/4095.0f * lasreader->point.get_intensity()) - 1;
while (printstring[len] == '0') len--;
if (printstring[len] != '.') len++;
printstring[len] = '\0';
fprintf(file_out, "%s", printstring);
}
else
fprintf(file_out, "%d", lasreader->point.get_intensity());
break;
case 'a': // the scan angle
fprintf(file_out, "%d", lasreader->point.get_scan_angle_rank());
break;
case 'r': // the number of the return
fprintf(file_out, "%d", lasreader->point.get_return_number());
break;
case 'c': // the classification
fprintf(file_out, "%d", lasreader->point.get_classification());
break;
case 'u': // the user data
fprintf(file_out, "%d", lasreader->point.get_user_data());
break;
case 'n': // the number of returns of given pulse
fprintf(file_out, "%d", lasreader->point.get_number_of_returns());
break;
case 'p': // the point source ID
fprintf(file_out, "%d", lasreader->point.get_point_source_ID());
break;
case 'e': // the edge of flight line flag
fprintf(file_out, "%d", lasreader->point.get_edge_of_flight_line());
break;
case 'd': // the direction of scan flag
fprintf(file_out, "%d", lasreader->point.get_scan_direction_flag());
break;
case 'R': // the red channel of the RGB field
fprintf(file_out, "%d", lasreader->point.rgb[0]);
break;
case 'G': // the green channel of the RGB field
fprintf(file_out, "%d", lasreader->point.rgb[1]);
break;
case 'B': // the blue channel of the RGB field
fprintf(file_out, "%d", lasreader->point.rgb[2]);
break;
case 'm': // the index of the point (count starts at 0)
#ifdef _WIN32
fprintf(file_out, "%I64d", lasreader->p_count-1);
#else
fprintf(file_out, "%lld", lasreader->p_count-1);
#endif
break;
case 'M': // the index of the point (count starts at 1)
#ifdef _WIN32
fprintf(file_out, "%I64d", lasreader->p_count);
#else
fprintf(file_out, "%lld", lasreader->p_count);
#endif
break;
case ')': // the raw integer X difference to the last point
fprintf(file_out, "%d", lasreader->point.get_X()-last_XYZ[0]);
break;
case '!': // the raw integer Y difference to the last point
fprintf(file_out, "%d", lasreader->point.get_Y()-last_XYZ[1]);
break;
case '@': // the raw integer Z difference to the last point
fprintf(file_out, "%d", lasreader->point.get_Z()-last_XYZ[2]);
break;
case '#': // the gps-time difference to the last point
lidardouble2string(printstring,lasreader->point.gps_time-last_GPSTIME); fprintf(file_out, "%s", printstring);
break;
case '$': // the R difference to the last point
fprintf(file_out, "%d", lasreader->point.rgb[0]-last_RGB[0]);
break;
case '%': // the G difference to the last point
fprintf(file_out, "%d", lasreader->point.rgb[1]-last_RGB[1]);
break;
case '^': // the B difference to the last point
fprintf(file_out, "%d", lasreader->point.rgb[2]-last_RGB[2]);
break;
case '&': // the byte-wise R difference to the last point
fprintf(file_out, "%d%c%d", (lasreader->point.rgb[0]>>8)-(last_RGB[0]>>8), separator_sign, (lasreader->point.rgb[0]&255)-(last_RGB[0]&255));
break;
case '*': // the byte-wise G difference to the last point
fprintf(file_out, "%d%c%d", (lasreader->point.rgb[1]>>8)-(last_RGB[1]>>8), separator_sign, (lasreader->point.rgb[1]&255)-(last_RGB[1]&255));
break;
case '(': // the byte-wise B difference to the last point
fprintf(file_out, "%d%c%d", (lasreader->point.rgb[2]>>8)-(last_RGB[2]>>8), separator_sign, (lasreader->point.rgb[2]&255)-(last_RGB[2]&255));
break;
case 'w': // the wavepacket index
fprintf(file_out, "%d", lasreader->point.wavepacket.getIndex());
break;
case 'W': // all wavepacket attributes
fprintf(file_out, "%d%c%d%c%d%c%g%c%g%c%g%c%g", lasreader->point.wavepacket.getIndex(), separator_sign, (U32)lasreader->point.wavepacket.getOffset(), separator_sign, lasreader->point.wavepacket.getSize(), separator_sign, lasreader->point.wavepacket.getLocation(), separator_sign, lasreader->point.wavepacket.getXt(), separator_sign, lasreader->point.wavepacket.getYt(), separator_sign, lasreader->point.wavepacket.getZt());
break;
case 'V': // the waVeform
if (laswaveform13reader && laswaveform13reader->read_waveform(&lasreader->point))
{
output_waveform(file_out, separator_sign, laswaveform13reader);
}
else
{
fprintf(file_out, "no_waveform");
}
break;
case 'E': // the extra string
fprintf(file_out, "%s", extra_string);
break;
default:
print_attribute(file_out, &lasreader->header, &lasreader->point, (I32)(parse_string[i]-'0'), printstring);
}
i++;
if (parse_string[i])
{
fprintf(file_out, "%c", separator_sign);
}
else
{
fprintf(file_out, "\012");
break;
}
}
if (diff)
{
last_XYZ[0] = lasreader->point.get_X();
last_XYZ[1] = lasreader->point.get_Y();
last_XYZ[2] = lasreader->point.get_Z();
last_GPSTIME = lasreader->point.gps_time;
last_RGB[0] = lasreader->point.rgb[0];
last_RGB[1] = lasreader->point.rgb[1];
last_RGB[2] = lasreader->point.rgb[2];
}
}
#ifdef _WIN32
if (verbose) fprintf(stderr,"converting %I64d points of '%s' took %g sec.\n", lasreader->p_count, lasreadopener.get_file_name(), taketime()-start_time);
#else
if (verbose) fprintf(stderr,"converting %lld points of '%s' took %g sec.\n", lasreader->p_count, lasreadopener.get_file_name(), taketime()-start_time);
#endif
// close the reader
lasreader->close();
delete lasreader;
// (maybe) close the waveform reader
if (laswaveform13reader)
{
laswaveform13reader->close();
delete laswaveform13reader;
}
// close the files
if (file_out != stdout) fclose(file_out);
}
free(parse_string);
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 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;
}