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;
}
virtual void update_inventory(const LASpoint* point) { inventory.add(point); };
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;
}
