static GhtErr
l2g_read_projection(const Las2GhtConfig *config, Las2GhtState *state)
{
LASSRSH lassrs;
char *proj4_input = NULL;
static char *proj4_output = "+proj=longlat +datum=WGS84 +no_defs";
assert(state);
assert(state->header);
assert(config);
lassrs = LASHeader_GetSRS(state->header);
if ( ! lassrs )
{
ght_error("%s: unable to read SRS from LAS header", __func__);
return GHT_ERROR;
}
proj4_input = LASSRS_GetProj4(lassrs);
if ( ! proj4_input )
{
ght_error("%s: unable to read proj4 string from LAS SRS", __func__);
return GHT_ERROR;
}
ght_info("Got LAS file projection information '%s'", proj4_input);
state->pj_input = l2g_proj_from_string(proj4_input);
LASString_Free(proj4_input);
if ( ! state->pj_input )
{
ght_error("%s: unable to parse proj4 string '%s'", __func__, proj4_input);
return GHT_ERROR;
}
state->pj_output = l2g_proj_from_string(proj4_output);
if ( ! state->pj_output )
{
ght_error("%s: unable to parse proj4 string '%s'", __func__, proj4_input);
return GHT_ERROR;
}
return GHT_OK;
}
void usage()
{
char* version = LAS_GetFullVersion();
fprintf(stderr,"----------------------------------------------------------\n");
fprintf(stderr," lasinfo-old (version %s) usage:\n", version);
fprintf(stderr,"----------------------------------------------------------\n");
fprintf(stderr,"\n");
LASString_Free(version);
version = NULL;
fprintf(stderr,"Printing simple header info:\n");
fprintf(stderr," lasinfo-old lidar.las\n");
fprintf(stderr,"\n");
fprintf(stderr,"Checking point information:\n");
fprintf(stderr," lasinfo-old --input lidar.las --check\n");
fprintf(stderr,"\n");
fprintf(stderr,"Print header info and point summary and redirect output to a file:\n");
fprintf(stderr," lasinfo-old --check --input lidar.las 2> output.txt\n");
fprintf(stderr,"\n");
fprintf(stderr,"Read from stdin, scan the points, and skip printing VLR info:\n");
fprintf(stderr," lasinfo-old --stdin --check --skip_vlr < lidar.las\n");
fprintf(stderr,"\n");
fprintf(stderr,"Repairing header info to reflect point data:\n");
fprintf(stderr," lasinfo-old -i lidar.las --repair\n");
fprintf(stderr,"\n");
fprintf(stderr,"Altering header info:\n");
fprintf(stderr, " lasinfo-old -i lidar.las --system_identifier \"hello world!\" "
"--generating_software \"this is a test (-:\" --file_creation 8 2007\n");
fprintf(stderr,"\n");
fprintf(stderr,"Print this output:\n");
fprintf(stderr, " lasinfo-old --help\n");
fprintf(stderr,"\n");
fprintf(stderr, "\nFor more information, see the full documentation for lasinfo-old at:\n"
" http://liblas.org/utilities/lasinfo-old.html\n");
fprintf(stderr,"----------------------------------------------------------\n");
}
/* ---------------------------------------------------------------------------------- */
void print_header(LASHeaderH header, int bSkipVLR) {
char *pszSignature = NULL;
char *pszProjectId = NULL;
char *pszSystemId = NULL;
char *pszSoftwareId = NULL;
/*char *pszProj4 = NULL;*/
char *pszVLRUser = NULL;
char *pszVLRDescription = NULL;
uint16_t nVLRLength = 0;
uint16_t nVLRRecordId = 0;
LASVLRH pVLR = NULL;
LASSRSH pSRS = NULL;
uint32_t nVLR = 0;
int i = 0;
#ifdef HAVE_GEOTIFF
const GTIF* pGTIF = NULL;
#else
const void* pGTIF = NULL;
#endif
pszSignature = LASHeader_GetFileSignature(header);
pszProjectId = LASHeader_GetProjectId(header);
pszSystemId = LASHeader_GetSystemId(header);
pszSoftwareId = LASHeader_GetSoftwareId(header);
pSRS = LASHeader_GetSRS(header);
/*pszProj4 = LASSRS_GetProj4(pSRS);*/
pGTIF = LASSRS_GetGTIF(pSRS);
nVLR = LASHeader_GetRecordsCount(header);
mexPrintf("\n---------------------------------------------------------\n");
mexPrintf(" Header Summary\n");
mexPrintf("---------------------------------------------------------\n");
if (strcmp(pszSignature,"LASF") !=0) {
LASError_Print("File signature is not 'LASF'... aborting");
return;
}
mexPrintf(" Version: %d.%d\n",
LASHeader_GetVersionMajor(header), LASHeader_GetVersionMinor(header));
mexPrintf(" Source ID: %d\n", LASHeader_GetFileSourceId(header) ) ;
mexPrintf(" Reserved: %d\n", LASHeader_GetReserved(header) );
mexPrintf(" Project ID/GUID: '%s'\n", pszProjectId);
mexPrintf(" System Identifier: '%s'\n", pszSystemId);
mexPrintf(" Generating Software: '%s'\n", pszSoftwareId);
mexPrintf(" File Creation Day/Year: %d/%d\n",
LASHeader_GetCreationDOY(header), LASHeader_GetCreationYear(header));
mexPrintf(" Header Size %d\n", LASHeader_GetHeaderSize(header));
mexPrintf(" Offset to Point Data %d\n", LASHeader_GetDataOffset(header));
mexPrintf(" Number Var. Length Records %d\n", LASHeader_GetRecordsCount(header));
mexPrintf(" Point Data Format %d\n", LASHeader_GetDataFormatId(header));
mexPrintf(" Point Data Record Length %d\n", LASHeader_GetDataRecordLength(header));
mexPrintf(" Number of Point Records %d\n", LASHeader_GetPointRecordsCount(header));
mexPrintf(" Number of Points by Return %d %d %d %d %d\n",
LASHeader_GetPointRecordsByReturnCount(header, 0),
LASHeader_GetPointRecordsByReturnCount(header, 1),
LASHeader_GetPointRecordsByReturnCount(header, 2),
LASHeader_GetPointRecordsByReturnCount(header, 3),
LASHeader_GetPointRecordsByReturnCount(header, 4));
mexPrintf(" Scale Factor X Y Z %.6g %.6g %.6g\n",
LASHeader_GetScaleX(header),
LASHeader_GetScaleY(header),
LASHeader_GetScaleZ(header));
mexPrintf(" Offset X Y Z %.6f %.6f %.6f\n",
LASHeader_GetOffsetX(header),
LASHeader_GetOffsetY(header),
LASHeader_GetOffsetZ(header));
mexPrintf(" Min X Y Z %.6f %.6f %.6f\n",
LASHeader_GetMinX(header),
LASHeader_GetMinY(header),
LASHeader_GetMinZ(header));
mexPrintf(" Max X Y Z %.6f %.6f %.6f\n",
LASHeader_GetMaxX(header),
LASHeader_GetMaxY(header),
LASHeader_GetMaxZ(header));
/*mexPrintf(" Spatial Reference %s\n", pszProj4);*/
#ifdef HAVE_LIBGEOTIFF
if (pGTIF) GTIFPrint((GTIF*)pGTIF, 0, 0);
#endif
if (nVLR && !bSkipVLR) {
mexPrintf("\n---------------------------------------------------------\n");
mexPrintf(" VLR Summary\n");
mexPrintf("---------------------------------------------------------\n");
for (i = 0; i < (int)nVLR; i++) {
pVLR = LASHeader_GetVLR(header, i);
if (LASError_GetLastErrorNum()) {
LASError_Print("Unable to fetch VLR");
return;
}
pszVLRUser = LASVLR_GetUserId(pVLR);
pszVLRDescription = LASVLR_GetDescription(pVLR);
nVLRLength = LASVLR_GetRecordLength(pVLR);
nVLRRecordId = LASVLR_GetRecordId(pVLR);
mexPrintf(" User: '******' - Description: '%s'\n", pszVLRUser, pszVLRDescription);
mexPrintf(" ID: %d Length: %d\n\n", nVLRRecordId, nVLRLength);
LASVLR_Destroy(pVLR);
pVLR = NULL;
LASString_Free(pszVLRUser);
LASString_Free(pszVLRDescription);
}
}
LASString_Free(pszSignature);
LASString_Free(pszProjectId);
LASString_Free(pszSystemId);
LASString_Free(pszSoftwareId);
/*LASString_Free(pszProj4);*/
}
int main(int argc, char *argv[])
{
int i = 0;
char* file_name = NULL;
LASReaderH reader = NULL;
LASHeaderH header = NULL;
LASWriterH writer = NULL;
int check_points = FALSE;
int repair_header = FALSE;
int change_header = FALSE;
int repair_bounding_box = FALSE;
int use_stdin = FALSE;
int update_return_counts = FALSE;
int skip_vlr = FALSE;
int wkt = FALSE;
char *system_identifier = NULL;
char *generating_software = NULL;
unsigned char file_creation_day = 0;
unsigned char file_creation_year = 0;
int err = 0;
LASPointSummary* summary = NULL;
for (i = 1; i < argc; i++)
{
if (strcmp(argv[i],"-v") == 0 || strcmp(argv[i],"--version") == 0)
{
char* ver = LAS_GetFullVersion();
fprintf(stderr,"%s", ver);
LASString_Free(ver);
exit(0);
}
else if (strcmp(argv[i],"-h") == 0 || strcmp(argv[i],"--help") == 0)
{
usage();
exit(0);
}
else if (strcmp(argv[i],"--input") == 0
|| strcmp(argv[i],"-input") == 0
|| strcmp(argv[i],"-i") == 0
|| strcmp(argv[i],"-in") == 0)
{
i++;
file_name = argv[i];
}
else if (strcmp(argv[i], "--points") == 0
|| strcmp(argv[i], "--check") == 0
|| strcmp(argv[i], "--check_points") == 0
|| strcmp(argv[i], "-c") == 0
|| strcmp(argv[i], "-points") == 0
|| strcmp(argv[i], "-check") == 0
|| strcmp(argv[i], "-check_points") == 0)
{
check_points = TRUE;
}
else if (strcmp(argv[i], "--nocheck") == 0
|| strcmp(argv[i], "-nocheck") == 0)
{
check_points = FALSE;
}
else if (strcmp(argv[i], "--stdin") == 0
|| strcmp(argv[i], "-ilas") == 0)
{
use_stdin = TRUE;
}
else if (strcmp(argv[i], "--repair") == 0
|| strcmp(argv[i], "-r") == 0
|| strcmp(argv[i], "-repair_header") == 0
|| strcmp(argv[i], "-repair") == 0)
{
repair_header = TRUE;
check_points = TRUE;
}
else if (strcmp(argv[i], "--repair_bb") == 0
|| strcmp(argv[i], "--repair_bounding_box") == 0
|| strcmp(argv[i], "--repair_boundingbox") == 0
|| strcmp(argv[i], "-repair_bb") == 0
|| strcmp(argv[i], "-repair_bounding_box") == 0
|| strcmp(argv[i], "-repair_boundingbox") == 0
|| strcmp(argv[i], "-repair") == 0
|| strcmp(argv[i], "-rb") == 0)
{
repair_bounding_box = TRUE;
check_points = TRUE;
}
else if (strcmp(argv[i],"--system_identifier") == 0
|| strcmp(argv[i],"-system_identifier") == 0
|| strcmp(argv[i],"-s") == 0
|| strcmp(argv[i],"-sys_id") == 0)
{
i++;
system_identifier = (char*) malloc(31 * sizeof(char));
strcpy(system_identifier, argv[i]);
change_header = TRUE;
}
else if (strcmp(argv[i],"--generating_software") == 0
|| strcmp(argv[i],"-generating_software") == 0
|| strcmp(argv[i],"-g") == 0
|| strcmp(argv[i],"-gen_soft") == 0)
{
i++;
generating_software = (char*) malloc(31*sizeof(char));
strcpy(generating_software, argv[i]);
change_header = TRUE;
}
else if (strcmp(argv[i],"--file_creation") == 0
|| strcmp(argv[i],"-file_creation") == 0)
{
/* XXX - mloskot: Consider replacing atoi with strtol,
see http://www.iso-9899.info/wiki/Converting */
i++;
file_creation_day = (unsigned char)atoi(argv[i]);
i++;
file_creation_year = (unsigned char)atoi(argv[i]);
change_header = TRUE;
}
else if (strcmp(argv[i],"--skip_vlr") == 0 || strcmp(argv[i],"--no_vlr") == 0)
{
skip_vlr = TRUE;
}
else if (strcmp(argv[i],"--wkt") == 0)
{
wkt = TRUE;
}
else if (file_name == NULL)
{
file_name = argv[i];
}
else
{
usage();
fprintf(stderr, "ERROR: unknown argument '%s'\n",argv[i]);
exit(1);
}
}
if (use_stdin) {
file_name = "stdin";
}
if (!file_name) {
LASError_Print("No filename was provided to be opened");
usage();
exit(1);
}
reader = LASReader_Create(file_name);
if (!reader) {
LASError_Print("Could not open file ");
exit(1);
}
header = LASReader_GetHeader(reader);
if (!header) {
LASError_Print("Could not get LASHeader ");
exit(1);
}
print_header(stdout, header, file_name, skip_vlr, wkt);
if (change_header) {
if (system_identifier) {
err = LASHeader_SetSystemId (header, system_identifier);
if (err) LASError_Print("Could not set SystemId");
}
if (generating_software) {
err = LASHeader_SetSoftwareId(header, generating_software);
if (err) LASError_Print("Could not set SoftwareId");
}
if ( file_creation_day || file_creation_year) {
err = LASHeader_SetCreationDOY(header, file_creation_day);
if (err) LASError_Print("Could not set file creation day");
err = LASHeader_SetCreationYear(header, file_creation_year);
if (err) LASError_Print("Could not set file creation year");
}
/* We need to wipe out the reader and make a writer. */
if (reader) {
LASReader_Destroy(reader);
reader = NULL;
}
writer = LASWriter_Create(file_name, header, LAS_MODE_APPEND);
if (!writer) {
LASError_Print("Problem creating LASWriterH object");
LASHeader_Destroy(header);
header = NULL;
exit(1);
}
if (writer) LASWriter_Destroy(writer);
writer = NULL;
if (header) LASHeader_Destroy(header);
header = NULL;
}
if (check_points)
{
if (!reader) {
reader = LASReader_Create(file_name);
if (!reader) {
LASError_Print("Could not open file ");
exit(1);
}
}
if (! header) {
header = LASReader_GetHeader(reader);
if (!header) {
LASError_Print("Could not get LASHeader ");
exit(1);
}
}
if (!summary)
summary = SummarizePoints(reader);
print_point_summary(stdout, summary, header);
if (repair_header) {
fprintf(stdout, "\n---------------------------------------------------------\n");
fprintf(stdout, " Repair Summary\n");
fprintf(stdout, "---------------------------------------------------------\n");
if (use_stdin) {
LASError_Print("Cannot update header information on piped input!");
exit(1);
}
if (! header) {
header = LASReader_GetHeader(reader);
if (!header) {
LASError_Print("Could not get LASHeader ");
exit(1);
}
}
if (! repair_bounding_box) {
if ( LASHeader_GetMinX(header) != LASPoint_GetX(summary->pmin) )
repair_bounding_box = TRUE;
if ( LASHeader_GetMinY(header) != LASPoint_GetY(summary->pmin) )
repair_bounding_box = TRUE;
if ( LASHeader_GetMinZ(header) != LASPoint_GetZ(summary->pmin) )
repair_bounding_box = TRUE;
if ( LASHeader_GetMaxX(header) != LASPoint_GetX(summary->pmax) )
repair_bounding_box = TRUE;
if ( LASHeader_GetMaxY(header) != LASPoint_GetY(summary->pmax) )
repair_bounding_box = TRUE;
if ( LASHeader_GetMaxZ(header) != LASPoint_GetZ(summary->pmax) )
repair_bounding_box = TRUE;
}
if (repair_bounding_box) {
fprintf(stdout, " Reparing Bounding Box...\n");
err = LASHeader_SetMin( header,
LASPoint_GetX(summary->pmin),
LASPoint_GetY(summary->pmin),
LASPoint_GetZ(summary->pmin)
);
if (err) {
LASError_Print("Could not set minimum for header ");
exit(1);
}
err = LASHeader_SetMax( header,
LASPoint_GetX(summary->pmax),
LASPoint_GetY(summary->pmax),
LASPoint_GetZ(summary->pmax)
);
if (err) {
LASError_Print("Could not set minimum for header ");
exit(1);
}
}
for (i = 0; i < 5; i++) {
if (LASHeader_GetPointRecordsByReturnCount(header, i) !=
summary->number_of_points_by_return[i])
{
update_return_counts = TRUE;
break;
}
}
if (update_return_counts) {
fprintf(stdout, " Reparing Point Count by Return...\n");
for (i = 0; i < 5; i++) {
LASHeader_SetPointRecordsByReturnCount( header,
i,
summary->number_of_points_by_return[i]);
}
}
if (reader) {
LASReader_Destroy(reader);
reader = NULL;
}
writer = LASWriter_Create(file_name, header, LAS_MODE_APPEND);
if (!writer) {
LASError_Print("Problem creating LASWriterH object for append");
LASHeader_Destroy(header);
header = NULL;
exit(1);
}
LASWriter_Destroy(writer);
writer = NULL;
LASHeader_Destroy(header);
header = NULL;
}
if (summary) {
LASPoint_Destroy(summary->pmin);
LASPoint_Destroy(summary->pmax);
free(summary);
}
}
if (reader) LASReader_Destroy(reader);
if (header) LASHeader_Destroy(header);
#ifdef HAVE_GDAL
/* Various GDAL related cleanups */
#ifdef OSRCleanup
OSRCleanup();
#endif
CPLFinderClean();
CPLFreeConfig();
CPLCleanupTLS();
#endif
return 0;
}