/* record map history info */ static void write_hist(char *map_name, char *title, char *source_name, int mode, int sfd) { struct History history; Rast_put_cell_title(map_name, title); Rast_short_history(map_name, "raster", &history); Rast_set_history(&history, HIST_DATSRC_1, source_name); Rast_append_format_history( &history, "Processing mode: %s", sfd ? "SFD (D8)" : "MFD"); Rast_append_format_history( &history, "Memory mode: %s", mode ? "Segmented" : "All in RAM"); Rast_command_history(&history); Rast_write_history(map_name, &history); }
static void write_support_files(int xtile, int ytile, int overlap) { char name[GNAME_MAX]; struct Cell_head cellhd; char title[64]; struct History history; struct Colors colors; struct Categories cats; sprintf(name, "%s-%03d-%03d", parm.rastout->answer, ytile, xtile); Rast_get_cellhd(name, G_mapset(), &cellhd); cellhd.north = src_w.north - ytile * dst_w.rows * src_w.ns_res; cellhd.south = cellhd.north - (dst_w.rows + 2 * overlap) * src_w.ns_res; cellhd.west = src_w.west + xtile * dst_w.cols * src_w.ew_res; cellhd.east = cellhd.west + (dst_w.cols + 2 * overlap) * src_w.ew_res; Rast_put_cellhd(name, &cellhd); /* copy cats from source map */ if (Rast_read_cats(parm.rastin->answer, "", &cats) < 0) G_fatal_error(_("Unable to read cats for %s"), parm.rastin->answer); Rast_write_cats(name, &cats); /* record map metadata/history info */ G_debug(1, "Tile %d,%d of %s: writing %s", xtile, ytile, parm.rastin->answer, name); sprintf(title, "Tile %d,%d of %s", xtile, ytile, parm.rastin->answer); Rast_put_cell_title(name, title); Rast_short_history(name, "raster", &history); Rast_set_history(&history, HIST_DATSRC_1, parm.rastin->answer); Rast_command_history(&history); Rast_write_history(name, &history); /* copy color table from source map */ if (Rast_read_colors(parm.rastin->answer, "", &colors) < 0) G_fatal_error(_("Unable to read color table for %s"), parm.rastin->answer); if (map_type != CELL_TYPE) Rast_mark_colors_as_fp(&colors); Rast_write_colors(name, G_mapset(), &colors); }
/* ************************************************************************* */ int main(int argc, char *argv[]) { RASTER3D_Region region, inputmap_bounds; struct Cell_head region2d; struct GModule *module; struct History history; void *map = NULL; /*The 3D Rastermap */ int i = 0, changemask = 0; int *fd = NULL, output_type, cols, rows; char *RasterFileName; int overwrite = 0; /* Initialize GRASS */ G_gisinit(argv[0]); module = G_define_module(); G_add_keyword(_("raster3d")); G_add_keyword(_("conversion")); G_add_keyword(_("raster")); G_add_keyword(_("voxel")); module->description = _("Converts 3D raster maps to 2D raster maps"); /* Get parameters from user */ set_params(); /* Have GRASS get inputs */ if (G_parser(argc, argv)) exit(EXIT_FAILURE); G_debug(3, "Open 3D raster map <%s>", param.input->answer); if (NULL == G_find_raster3d(param.input->answer, "")) Rast3d_fatal_error(_("3D raster map <%s> not found"), param.input->answer); /*Set the defaults */ Rast3d_init_defaults(); /*Set the resolution of the output maps */ if (param.res->answer) { /*Open the map with current region */ map = Rast3d_open_cell_old(param.input->answer, G_find_raster3d(param.input->answer, ""), RASTER3D_DEFAULT_WINDOW, RASTER3D_TILE_SAME_AS_FILE, RASTER3D_USE_CACHE_DEFAULT); if (map == NULL) Rast3d_fatal_error(_("Unable to open 3D raster map <%s>"), param.input->answer); /*Get the region of the map */ Rast3d_get_region_struct_map(map, ®ion); /*set this region as current 3D window for map */ Rast3d_set_window_map(map, ®ion); /*Set the 2d region appropriate */ Rast3d_extract2d_region(®ion, ®ion2d); /*Make the new 2d region the default */ Rast_set_window(®ion2d); } else { /* Figure out the region from the map */ Rast3d_get_window(®ion); /*Open the 3d raster map */ map = Rast3d_open_cell_old(param.input->answer, G_find_raster3d(param.input->answer, ""), ®ion, RASTER3D_TILE_SAME_AS_FILE, RASTER3D_USE_CACHE_DEFAULT); if (map == NULL) Rast3d_fatal_error(_("Unable to open 3D raster map <%s>"), param.input->answer); } /*Check if the g3d-region is equal to the 2D rows and cols */ rows = Rast_window_rows(); cols = Rast_window_cols(); /*If not equal, set the 3D window correct */ if (rows != region.rows || cols != region.cols) { G_message(_("The 2D and 3D region settings are different. " "Using the 2D window settings to adjust the 2D part of the 3D region.")); G_get_set_window(®ion2d); region.ns_res = region2d.ns_res; region.ew_res = region2d.ew_res; region.rows = region2d.rows; region.cols = region2d.cols; Rast3d_adjust_region(®ion); Rast3d_set_window_map(map, ®ion); } /* save the input map region for later use (history meta-data) */ Rast3d_get_region_struct_map(map, &inputmap_bounds); /*Get the output type */ output_type = Rast3d_file_type_map(map); /*prepare the filehandler */ fd = (int *) G_malloc(region.depths * sizeof (int)); if (fd == NULL) fatal_error(map, NULL, 0, _("Out of memory")); G_message(_("Creating %i raster maps"), region.depths); /*Loop over all output maps! open */ for (i = 0; i < region.depths; i++) { /*Create the outputmaps */ G_asprintf(&RasterFileName, "%s_%05d", param.output->answer, i + 1); G_message(_("Raster map %i Filename: %s"), i + 1, RasterFileName); overwrite = G_check_overwrite(argc, argv); if (G_find_raster2(RasterFileName, "") && !overwrite) G_fatal_error(_("Raster map %d Filename: %s already exists. Use the flag --o to overwrite."), i + 1, RasterFileName); if (output_type == FCELL_TYPE) fd[i] = open_output_map(RasterFileName, FCELL_TYPE); else if (output_type == DCELL_TYPE) fd[i] = open_output_map(RasterFileName, DCELL_TYPE); } /*if requested set the Mask on */ if (param.mask->answer) { if (Rast3d_mask_file_exists()) { changemask = 0; if (Rast3d_mask_is_off(map)) { Rast3d_mask_on(map); changemask = 1; } } } /*Create the Rastermaps */ g3d_to_raster(map, region, fd); /*Loop over all output maps! close */ for (i = 0; i < region.depths; i++) { close_output_map(fd[i]); /* write history */ G_asprintf(&RasterFileName, "%s_%i", param.output->answer, i + 1); G_debug(4, "Raster map %d Filename: %s", i + 1, RasterFileName); Rast_short_history(RasterFileName, "raster", &history); Rast_set_history(&history, HIST_DATSRC_1, "3D Raster map:"); Rast_set_history(&history, HIST_DATSRC_2, param.input->answer); Rast_append_format_history(&history, "Level %d of %d", i + 1, region.depths); Rast_append_format_history(&history, "Level z-range: %f to %f", region.bottom + (i * region.tb_res), region.bottom + (i + 1 * region.tb_res)); Rast_append_format_history(&history, "Input map full z-range: %f to %f", inputmap_bounds.bottom, inputmap_bounds.top); Rast_append_format_history(&history, "Input map z-resolution: %f", inputmap_bounds.tb_res); if (!param.res->answer) { Rast_append_format_history(&history, "GIS region full z-range: %f to %f", region.bottom, region.top); Rast_append_format_history(&history, "GIS region z-resolution: %f", region.tb_res); } Rast_command_history(&history); Rast_write_history(RasterFileName, &history); } /*We set the Mask off, if it was off before */ if (param.mask->answer) { if (Rast3d_mask_file_exists()) if (Rast3d_mask_is_on(map) && changemask) Rast3d_mask_off(map); } /*Cleaning */ if (RasterFileName) G_free(RasterFileName); if (fd) G_free(fd); /* Close files and exit */ if (!Rast3d_close(map)) fatal_error(map, NULL, 0, _("Unable to close 3D raster map")); map = NULL; return (EXIT_SUCCESS); }
int main(int argc, char *argv[]) { struct GModule *module; struct { struct Option *input; struct Option *output; struct Option *null; struct Option *bytes; struct Option *order; struct Option *north; struct Option *south; struct Option *top; struct Option *bottom; struct Option *east; struct Option *west; struct Option *rows; struct Option *cols; struct Option *depths; } parm; struct { struct Flag *integer_in; struct Flag *sign; struct Flag *depth; struct Flag *row; } flag; const char *input; const char *output; int is_integer; int is_signed; int bytes; int order; int byte_swap; RASTER_MAP_TYPE map_type; off_t file_size; struct History history; off_t expected; /* Need to be allocated later */ in_cell = NULL; G_gisinit(argv[0]); /* Set description */ module = G_define_module(); G_add_keyword(_("raster3d")); G_add_keyword(_("import")); G_add_keyword(_("voxel")); module->description = _("Imports a binary raster file into a GRASS 3D raster map."); parm.input = G_define_standard_option(G_OPT_F_BIN_INPUT); parm.input->description = _("Name of binary 3D raster file to be imported"); parm.output = G_define_standard_option(G_OPT_R3_OUTPUT); parm.bytes = G_define_option(); parm.bytes->key = "bytes"; parm.bytes->type = TYPE_INTEGER; parm.bytes->required = YES; parm.bytes->options = "1,2,4,8"; parm.bytes->description = _("Number of bytes per cell in binary file"); parm.order = G_define_option(); parm.order->key = "order"; parm.order->type = TYPE_STRING; parm.order->required = NO; parm.order->options = "big,little,native,swap"; parm.order->description = _("Byte order in binary file"); parm.order->answer = "native"; parm.north = G_define_option(); parm.north->key = "north"; parm.north->type = TYPE_DOUBLE; parm.north->required = YES; parm.north->description = _("Northern limit of geographic region (outer edge)"); parm.north->guisection = _("Bounds"); parm.south = G_define_option(); parm.south->key = "south"; parm.south->type = TYPE_DOUBLE; parm.south->required = YES; parm.south->description = _("Southern limit of geographic region (outer edge)"); parm.south->guisection = _("Bounds"); parm.east = G_define_option(); parm.east->key = "east"; parm.east->type = TYPE_DOUBLE; parm.east->required = YES; parm.east->description = _("Eastern limit of geographic region (outer edge)"); parm.east->guisection = _("Bounds"); parm.west = G_define_option(); parm.west->key = "west"; parm.west->type = TYPE_DOUBLE; parm.west->required = YES; parm.west->description = _("Western limit of geographic region (outer edge)"); parm.west->guisection = _("Bounds"); parm.bottom = G_define_option(); parm.bottom->key = "bottom"; parm.bottom->type = TYPE_DOUBLE; parm.bottom->required = YES; parm.bottom->description = _("Bottom limit of geographic region (outer edge)"); parm.bottom->guisection = _("Bounds"); parm.top = G_define_option(); parm.top->key = "top"; parm.top->type = TYPE_DOUBLE; parm.top->required = YES; parm.top->description = _("Top limit of geographic region (outer edge)"); parm.top->guisection = _("Bounds"); parm.rows = G_define_option(); parm.rows->key = "rows"; parm.rows->type = TYPE_INTEGER; parm.rows->required = YES; parm.rows->description = _("Number of rows"); parm.rows->guisection = _("Bounds"); parm.cols = G_define_option(); parm.cols->key = "cols"; parm.cols->type = TYPE_INTEGER; parm.cols->required = YES; parm.cols->description = _("Number of columns"); parm.cols->guisection = _("Bounds"); parm.depths = G_define_option(); parm.depths->key = "depths"; parm.depths->type = TYPE_INTEGER; parm.depths->required = YES; parm.depths->description = _("Number of depths"); parm.depths->guisection = _("Bounds"); parm.null = G_define_option(); parm.null->key = "null"; parm.null->type = TYPE_DOUBLE; parm.null->required = NO; parm.null->description = _("Set Value to NULL"); flag.row = G_define_flag(); flag.row->key = 'r'; flag.row->description = _("Switch the row order in output from " "north->south to south->north"); flag.depth = G_define_flag(); flag.depth->key = 'd'; flag.depth->description = _("Switch the depth order in output " "from bottom->top to top->bottom"); flag.integer_in = G_define_flag(); flag.integer_in->key = 'i'; flag.integer_in->description = _("Binary data is of type integer"); flag.sign = G_define_flag(); flag.sign->key = 's'; flag.sign->description = _("Signed data (two's complement)"); if (G_parser(argc, argv)) exit(EXIT_FAILURE); input = parm.input->answer; output = parm.output->answer; if (G_strcasecmp(parm.order->answer, "big") == 0) order = 0; else if (G_strcasecmp(parm.order->answer, "little") == 0) order = 1; else if (G_strcasecmp(parm.order->answer, "native") == 0) order = G_is_little_endian() ? 1 : 0; else if (G_strcasecmp(parm.order->answer, "swap") == 0) order = G_is_little_endian() ? 0 : 1; byte_swap = order == (G_is_little_endian() ? 0 : 1); is_signed = !!flag.sign->answer; is_integer = 0; bytes = 8; if (parm.bytes->answer) bytes = atoi(parm.bytes->answer); if (!flag.integer_in->answer) { if (bytes && bytes < 4) G_fatal_error( _("bytes=%d; must be 4 or 8 in case of floating point input"), bytes); if (!bytes) bytes = 4; } else { is_integer = 1; } #ifndef HAVE_LONG_LONG_INT if (is_integer && bytes > 4) G_fatal_error(_("Integer input doesn't support size=8 in this build")); #endif if (bytes != 1 && bytes != 2 && bytes != 4 && bytes != 8) G_fatal_error(_("bytes= must be 1, 2, 4 or 8")); region.zone = G_zone(); region.proj = G_projection(); region.rows = atoi(parm.rows->answer); region.cols = atoi(parm.cols->answer); region.depths = atoi(parm.depths->answer); region.top = atof(parm.top->answer); region.bottom = atof(parm.bottom->answer); if (!G_scan_northing(parm.north->answer, ®ion.north, region.proj)) G_fatal_error(_("Illegal north coordinate <%s>"), parm.north->answer); if (!G_scan_northing(parm.south->answer, ®ion.south, region.proj)) G_fatal_error(_("Illegal south coordinate <%s>"), parm.south->answer); if (!G_scan_easting(parm.east->answer, ®ion.east, region.proj)) G_fatal_error(_("Illegal east coordinate <%s>"), parm.east->answer); if (!G_scan_easting(parm.west->answer, ®ion.west, region.proj)) G_fatal_error(_("Illegal west coordinate <%s>"), parm.west->answer); Rast3d_adjust_region(®ion); expected = (off_t) region.rows * region.cols * region.depths * bytes; fp = fopen(input, "rb"); if (!fp) G_fatal_error(_("Unable to open <%s>"), input); /* Find File Size in Byte and Check against byte size */ G_fseek(fp, 0, SEEK_END); file_size = G_ftell(fp); G_fseek(fp, 0, SEEK_SET); if (file_size != expected) { G_warning(_("File Size %lld ... Total Bytes %lld"), (long long int) file_size, (long long int) expected); G_fatal_error(_("Bytes do not match file size")); } map_type = (bytes > 4 ? DCELL_TYPE : FCELL_TYPE); if(is_integer && bytes >= 4) map_type = DCELL_TYPE; Rast3d_init_defaults(); /*Open the new 3D raster map */ map = Rast3d_open_new_opt_tile_size(output, RASTER3D_USE_CACHE_DEFAULT, ®ion, map_type, 32); if (map == NULL) G_fatal_error(_("Unable to open 3D raster map")); in_cell = G_malloc(bytes); bin_to_raster3d(parm.null->answer, map_type, is_integer, is_signed, bytes, byte_swap, flag.row->answer, flag.depth->answer); if (!Rast3d_close(map)) G_fatal_error(_("Unable to close 3D raster map")); /* write input name to map history */ Rast3d_read_history(output, G_mapset(), &history); Rast_set_history(&history, HIST_DATSRC_1, input); Rast3d_write_history(output, &history); fclose(fp); if (in_cell) G_free(in_cell); return EXIT_SUCCESS; }
int main(int argc, char *argv[]) { struct GModule *module; struct { struct Option *rastin, *rastout, *method, *quantile; } parm; struct { struct Flag *nulls, *weight; } flag; struct History history; char title[64]; char buf_nsres[100], buf_ewres[100]; struct Colors colors; int row; G_gisinit(argv[0]); module = G_define_module(); G_add_keyword(_("raster")); G_add_keyword(_("resample")); module->description = _("Resamples raster map layers to a coarser grid using aggregation."); parm.rastin = G_define_standard_option(G_OPT_R_INPUT); parm.rastout = G_define_standard_option(G_OPT_R_OUTPUT); parm.method = G_define_option(); parm.method->key = "method"; parm.method->type = TYPE_STRING; parm.method->required = NO; parm.method->description = _("Aggregation method"); parm.method->options = build_method_list(); parm.method->answer = "average"; parm.quantile = G_define_option(); parm.quantile->key = "quantile"; parm.quantile->type = TYPE_DOUBLE; parm.quantile->required = NO; parm.quantile->description = _("Quantile to calculate for method=quantile"); parm.quantile->options = "0.0-1.0"; parm.quantile->answer = "0.5"; flag.nulls = G_define_flag(); flag.nulls->key = 'n'; flag.nulls->description = _("Propagate NULLs"); flag.weight = G_define_flag(); flag.weight->key = 'w'; flag.weight->description = _("Weight according to area (slower)"); if (G_parser(argc, argv)) exit(EXIT_FAILURE); nulls = flag.nulls->answer; method = find_method(parm.method->answer); if (method < 0) G_fatal_error(_("Unknown method <%s>"), parm.method->answer); if (menu[method].method == c_quant) { quantile = atoi(parm.quantile->answer); closure = &quantile; } G_get_set_window(&dst_w); /* set window to old map */ Rast_get_cellhd(parm.rastin->answer, "", &src_w); /* enlarge source window */ { int r0 = (int)floor(Rast_northing_to_row(dst_w.north, &src_w)); int r1 = (int)ceil(Rast_northing_to_row(dst_w.south, &src_w)); int c0 = (int)floor(Rast_easting_to_col(dst_w.west, &src_w)); int c1 = (int)ceil(Rast_easting_to_col(dst_w.east, &src_w)); src_w.south -= src_w.ns_res * (r1 - src_w.rows); src_w.north += src_w.ns_res * (-r0); src_w.west -= src_w.ew_res * (-c0); src_w.east += src_w.ew_res * (c1 - src_w.cols); src_w.rows = r1 - r0; src_w.cols = c1 - c0; } Rast_set_input_window(&src_w); Rast_set_output_window(&dst_w); row_scale = 2 + ceil(dst_w.ns_res / src_w.ns_res); col_scale = 2 + ceil(dst_w.ew_res / src_w.ew_res); /* allocate buffers for input rows */ bufs = G_malloc(row_scale * sizeof(DCELL *)); for (row = 0; row < row_scale; row++) bufs[row] = Rast_allocate_d_input_buf(); /* open old map */ infile = Rast_open_old(parm.rastin->answer, ""); /* allocate output buffer */ outbuf = Rast_allocate_d_output_buf(); /* open new map */ outfile = Rast_open_new(parm.rastout->answer, DCELL_TYPE); if (flag.weight->answer && menu[method].method_w) resamp_weighted(); else resamp_unweighted(); G_percent(dst_w.rows, dst_w.rows, 2); Rast_close(infile); Rast_close(outfile); /* record map metadata/history info */ sprintf(title, "Aggregate resample by %s", parm.method->answer); Rast_put_cell_title(parm.rastout->answer, title); Rast_short_history(parm.rastout->answer, "raster", &history); Rast_set_history(&history, HIST_DATSRC_1, parm.rastin->answer); G_format_resolution(src_w.ns_res, buf_nsres, src_w.proj); G_format_resolution(src_w.ew_res, buf_ewres, src_w.proj); Rast_format_history(&history, HIST_DATSRC_2, "Source map NS res: %s EW res: %s", buf_nsres, buf_ewres); Rast_command_history(&history); Rast_write_history(parm.rastout->answer, &history); /* copy color table from source map */ if (strcmp(parm.method->answer, "sum") != 0) { if (Rast_read_colors(parm.rastin->answer, "", &colors) < 0) G_fatal_error(_("Unable to read color table for %s"), parm.rastin->answer); Rast_mark_colors_as_fp(&colors); Rast_write_colors(parm.rastout->answer, G_mapset(), &colors); } return (EXIT_SUCCESS); }
int main(int argc, char *argv[]) { char *input, *output; int convertNull; char nullValue[256]; int useTypeDefault, type, useCompressionDefault, doCompression; int usePrecisionDefault, precision, useDimensionDefault, tileX, tileY, tileZ; RASTER3D_Region region; FILE *fp; struct GModule *module; struct History history; map = NULL; G_gisinit(argv[0]); module = G_define_module(); G_add_keyword(_("raster3d")); G_add_keyword(_("import")); G_add_keyword(_("voxel")); G_add_keyword(_("conversion")); G_add_keyword("ASCII"); module->description = _("Converts a 3D ASCII raster text file into a (binary) 3D raster map."); setParams(); Rast3d_set_standard3d_input_params(); if (G_parser(argc, argv)) exit(EXIT_FAILURE); getParams(&input, &output, &convertNull, nullValue); if (!Rast3d_get_standard3d_params(&useTypeDefault, &type, &useCompressionDefault, &doCompression, &usePrecisionDefault, &precision, &useDimensionDefault, &tileX, &tileY, &tileZ)) fatalError("Error getting standard parameters"); Rast3d_init_defaults(); fp = openAscii(input, ®ion); /*Open the new RASTER3D map */ map = Rast3d_open_new_param(output, RASTER3D_TILE_SAME_AS_FILE, RASTER3D_USE_CACHE_XY, ®ion, type, doCompression, precision, tileX, tileY, tileZ); if (map == NULL) fatalError(_("Unable to open 3D raster map")); /*Create the new RASTER3D Map */ asciiToG3d(fp, ®ion, convertNull, nullValue); if (!Rast3d_close(map)) fatalError(_("Unable to close 3D raster map")); /* write input name to map history */ Rast3d_read_history(output, G_mapset(), &history); Rast_command_history(&history); Rast_set_history(&history, HIST_DATSRC_1, input); Rast3d_write_history(output, &history); map = NULL; if (fclose(fp)) fatalError(_("Unable to close ASCII file")); return EXIT_SUCCESS; }
int main(int argc, char *argv[]) { int out_fd, base_raster; char *infile, *outmap; int percent; double zrange_min, zrange_max, d_tmp; double irange_min, irange_max; unsigned long estimated_lines; RASTER_MAP_TYPE rtype, base_raster_data_type; struct History history; char title[64]; SEGMENT base_segment; struct PointBinning point_binning; void *base_array; void *raster_row; struct Cell_head region; struct Cell_head input_region; int rows, last_rows, row0, cols; /* scan box size */ int row; /* counters */ int pass, npasses; unsigned long line, line_total; unsigned int counter; unsigned long n_invalid; char buff[BUFFSIZE]; double x, y, z; double intensity; int arr_row, arr_col; unsigned long count, count_total; int point_class; double zscale = 1.0; double iscale = 1.0; double res = 0.0; struct BinIndex bin_index_nodes; bin_index_nodes.num_nodes = 0; bin_index_nodes.max_nodes = 0; bin_index_nodes.nodes = 0; struct GModule *module; struct Option *input_opt, *output_opt, *percent_opt, *type_opt, *filter_opt, *class_opt; struct Option *method_opt, *base_raster_opt; struct Option *zrange_opt, *zscale_opt; struct Option *irange_opt, *iscale_opt; struct Option *trim_opt, *pth_opt, *res_opt; struct Option *file_list_opt; struct Flag *print_flag, *scan_flag, *shell_style, *over_flag, *extents_flag; struct Flag *intens_flag, *intens_import_flag; struct Flag *set_region_flag; struct Flag *base_rast_res_flag; struct Flag *only_valid_flag; /* LAS */ LASReaderH LAS_reader; LASHeaderH LAS_header; LASSRSH LAS_srs; LASPointH LAS_point; int return_filter; const char *projstr; struct Cell_head cellhd, loc_wind; unsigned int n_filtered; G_gisinit(argv[0]); module = G_define_module(); G_add_keyword(_("raster")); G_add_keyword(_("import")); G_add_keyword(_("LIDAR")); G_add_keyword(_("statistics")); G_add_keyword(_("conversion")); G_add_keyword(_("aggregation")); G_add_keyword(_("binning")); module->description = _("Creates a raster map from LAS LiDAR points using univariate statistics."); input_opt = G_define_standard_option(G_OPT_F_BIN_INPUT); input_opt->required = NO; input_opt->label = _("LAS input file"); input_opt->description = _("LiDAR input files in LAS format (*.las or *.laz)"); input_opt->guisection = _("Input"); output_opt = G_define_standard_option(G_OPT_R_OUTPUT); output_opt->required = NO; output_opt->guisection = _("Output"); file_list_opt = G_define_standard_option(G_OPT_F_INPUT); file_list_opt->key = "file"; file_list_opt->label = _("File containing names of LAS input files"); file_list_opt->description = _("LiDAR input files in LAS format (*.las or *.laz)"); file_list_opt->required = NO; file_list_opt->guisection = _("Input"); method_opt = G_define_option(); method_opt->key = "method"; method_opt->type = TYPE_STRING; method_opt->required = NO; method_opt->description = _("Statistic to use for raster values"); method_opt->options = "n,min,max,range,sum,mean,stddev,variance,coeff_var,median,percentile,skewness,trimmean"; method_opt->answer = "mean"; method_opt->guisection = _("Statistic"); G_asprintf((char **)&(method_opt->descriptions), "n;%s;" "min;%s;" "max;%s;" "range;%s;" "sum;%s;" "mean;%s;" "stddev;%s;" "variance;%s;" "coeff_var;%s;" "median;%s;" "percentile;%s;" "skewness;%s;" "trimmean;%s", _("Number of points in cell"), _("Minimum value of point values in cell"), _("Maximum value of point values in cell"), _("Range of point values in cell"), _("Sum of point values in cell"), _("Mean (average) value of point values in cell"), _("Standard deviation of point values in cell"), _("Variance of point values in cell"), _("Coefficient of variance of point values in cell"), _("Median value of point values in cell"), _("pth (nth) percentile of point values in cell"), _("Skewness of point values in cell"), _("Trimmed mean of point values in cell")); type_opt = G_define_standard_option(G_OPT_R_TYPE); type_opt->required = NO; type_opt->answer = "FCELL"; base_raster_opt = G_define_standard_option(G_OPT_R_INPUT); base_raster_opt->key = "base_raster"; base_raster_opt->required = NO; base_raster_opt->label = _("Subtract raster values from the Z coordinates"); base_raster_opt->description = _("The scale for Z is applied beforehand, the range filter for" " Z afterwards"); base_raster_opt->guisection = _("Transform"); zrange_opt = G_define_option(); zrange_opt->key = "zrange"; zrange_opt->type = TYPE_DOUBLE; zrange_opt->required = NO; zrange_opt->key_desc = "min,max"; zrange_opt->description = _("Filter range for Z data (min,max)"); zrange_opt->guisection = _("Selection"); zscale_opt = G_define_option(); zscale_opt->key = "zscale"; zscale_opt->type = TYPE_DOUBLE; zscale_opt->required = NO; zscale_opt->answer = "1.0"; zscale_opt->description = _("Scale to apply to Z data"); zscale_opt->guisection = _("Transform"); irange_opt = G_define_option(); irange_opt->key = "intensity_range"; irange_opt->type = TYPE_DOUBLE; irange_opt->required = NO; irange_opt->key_desc = "min,max"; irange_opt->description = _("Filter range for intensity values (min,max)"); irange_opt->guisection = _("Selection"); iscale_opt = G_define_option(); iscale_opt->key = "intensity_scale"; iscale_opt->type = TYPE_DOUBLE; iscale_opt->required = NO; iscale_opt->answer = "1.0"; iscale_opt->description = _("Scale to apply to intensity values"); iscale_opt->guisection = _("Transform"); percent_opt = G_define_option(); percent_opt->key = "percent"; percent_opt->type = TYPE_INTEGER; percent_opt->required = NO; percent_opt->answer = "100"; percent_opt->options = "1-100"; percent_opt->description = _("Percent of map to keep in memory"); /* I would prefer to call the following "percentile", but that has too * much namespace overlap with the "percent" option above */ pth_opt = G_define_option(); pth_opt->key = "pth"; pth_opt->type = TYPE_INTEGER; pth_opt->required = NO; pth_opt->options = "1-100"; pth_opt->description = _("pth percentile of the values"); pth_opt->guisection = _("Statistic"); trim_opt = G_define_option(); trim_opt->key = "trim"; trim_opt->type = TYPE_DOUBLE; trim_opt->required = NO; trim_opt->options = "0-50"; trim_opt->label = _("Discard given percentage of the smallest and largest values"); trim_opt->description = _("Discard <trim> percent of the smallest and <trim> percent of the largest observations"); trim_opt->guisection = _("Statistic"); res_opt = G_define_option(); res_opt->key = "resolution"; res_opt->type = TYPE_DOUBLE; res_opt->required = NO; res_opt->description = _("Output raster resolution"); res_opt->guisection = _("Output"); filter_opt = G_define_option(); filter_opt->key = "return_filter"; filter_opt->type = TYPE_STRING; filter_opt->required = NO; filter_opt->label = _("Only import points of selected return type"); filter_opt->description = _("If not specified, all points are imported"); filter_opt->options = "first,last,mid"; filter_opt->guisection = _("Selection"); class_opt = G_define_option(); class_opt->key = "class_filter"; class_opt->type = TYPE_INTEGER; class_opt->multiple = YES; class_opt->required = NO; class_opt->label = _("Only import points of selected class(es)"); class_opt->description = _("Input is comma separated integers. " "If not specified, all points are imported."); class_opt->guisection = _("Selection"); print_flag = G_define_flag(); print_flag->key = 'p'; print_flag->description = _("Print LAS file info and exit"); extents_flag = G_define_flag(); extents_flag->key = 'e'; extents_flag->label = _("Use the extent of the input for the raster extent"); extents_flag->description = _("Set internally computational region extents based on the" " point cloud"); extents_flag->guisection = _("Output"); set_region_flag = G_define_flag(); set_region_flag->key = 'n'; set_region_flag->label = _("Set computation region to match the new raster map"); set_region_flag->description = _("Set computation region to match the 2D extent and resolution" " of the newly created new raster map"); set_region_flag->guisection = _("Output"); over_flag = G_define_flag(); over_flag->key = 'o'; over_flag->label = _("Override projection check (use current location's projection)"); over_flag->description = _("Assume that the dataset has same projection as the current location"); scan_flag = G_define_flag(); scan_flag->key = 's'; scan_flag->description = _("Scan data file for extent then exit"); shell_style = G_define_flag(); shell_style->key = 'g'; shell_style->description = _("In scan mode, print using shell script style"); intens_flag = G_define_flag(); intens_flag->key = 'i'; intens_flag->label = _("Use intensity values rather than Z values"); intens_flag->description = _("Uses intensity values everywhere as if they would be Z" " coordinates"); intens_import_flag = G_define_flag(); intens_import_flag->key = 'j'; intens_import_flag->description = _("Use Z values for filtering, but intensity values for statistics"); base_rast_res_flag = G_define_flag(); base_rast_res_flag->key = 'd'; base_rast_res_flag->label = _("Use base raster resolution instead of computational region"); base_rast_res_flag->description = _("For getting values from base raster, use its actual" " resolution instead of computational region resolution"); only_valid_flag = G_define_flag(); only_valid_flag->key = 'v'; only_valid_flag->label = _("Use only valid points"); only_valid_flag->description = _("Points invalid according to APSRS LAS specification will be" " filtered out"); only_valid_flag->guisection = _("Selection"); G_option_required(input_opt, file_list_opt, NULL); G_option_exclusive(input_opt, file_list_opt, NULL); G_option_required(output_opt, print_flag, scan_flag, shell_style, NULL); G_option_exclusive(intens_flag, intens_import_flag, NULL); G_option_requires(base_rast_res_flag, base_raster_opt, NULL); if (G_parser(argc, argv)) exit(EXIT_FAILURE); int only_valid = FALSE; n_invalid = 0; if (only_valid_flag->answer) only_valid = TRUE; /* we could use rules but this gives more info and allows continuing */ if (set_region_flag->answer && !(extents_flag->answer || res_opt->answer)) { G_warning(_("Flag %c makes sense only with %s option or -%c flag"), set_region_flag->key, res_opt->key, extents_flag->key); /* avoid the call later on */ set_region_flag->answer = '\0'; } struct StringList infiles; if (file_list_opt->answer) { if (access(file_list_opt->answer, F_OK) != 0) G_fatal_error(_("File <%s> does not exist"), file_list_opt->answer); string_list_from_file(&infiles, file_list_opt->answer); } else { string_list_from_one_item(&infiles, input_opt->answer); } /* parse input values */ outmap = output_opt->answer; if (shell_style->answer && !scan_flag->answer) { scan_flag->answer = 1; /* pointer not int, so set = shell_style->answer ? */ } /* check zrange and extent relation */ if (scan_flag->answer || extents_flag->answer) { if (zrange_opt->answer) G_warning(_("zrange will not be taken into account during scan")); } Rast_get_window(®ion); /* G_get_window seems to be unreliable if the location has been changed */ G_get_set_window(&loc_wind); /* TODO: v.in.lidar uses G_get_default_window() */ estimated_lines = 0; int i; for (i = 0; i < infiles.num_items; i++) { infile = infiles.items[i]; /* don't if file not found */ if (access(infile, F_OK) != 0) G_fatal_error(_("Input file <%s> does not exist"), infile); /* Open LAS file*/ LAS_reader = LASReader_Create(infile); if (LAS_reader == NULL) G_fatal_error(_("Unable to open file <%s> as a LiDAR point cloud"), infile); LAS_header = LASReader_GetHeader(LAS_reader); if (LAS_header == NULL) { G_fatal_error(_("Unable to read LAS header of <%s>"), infile); } LAS_srs = LASHeader_GetSRS(LAS_header); /* print info or check projection if we are actually importing */ if (print_flag->answer) { /* print filename when there is more than one file */ if (infiles.num_items > 1) fprintf(stdout, "File: %s\n", infile); /* Print LAS header */ print_lasinfo(LAS_header, LAS_srs); } else { /* report that we are checking more files */ if (i == 1) G_message(_("First file's projection checked," " checking projection of the other files...")); /* Fetch input map projection in GRASS form. */ projstr = LASSRS_GetWKT_CompoundOK(LAS_srs); /* we are printing the non-warning messages only for first file */ projection_check_wkt(cellhd, loc_wind, projstr, over_flag->answer, shell_style->answer || i); /* if there is a problem in some other file, first OK message * is printed but than a warning, this is not ideal but hopefully * not so confusing when importing multiple files */ } if (scan_flag->answer || extents_flag->answer) { /* we assign to the first one (i==0) but update for the rest */ scan_bounds(LAS_reader, shell_style->answer, extents_flag->answer, i, zscale, ®ion); } /* number of estimated point across all files */ /* TODO: this should be ull which won't work with percent report */ estimated_lines += LASHeader_GetPointRecordsCount(LAS_header); /* We are closing all again and we will be opening them later, * so we don't have to worry about limit for open files. */ LASSRS_Destroy(LAS_srs); LASHeader_Destroy(LAS_header); LASReader_Destroy(LAS_reader); } /* if we are not importing, end */ if (print_flag->answer || scan_flag->answer) exit(EXIT_SUCCESS); return_filter = LAS_ALL; if (filter_opt->answer) { if (strcmp(filter_opt->answer, "first") == 0) return_filter = LAS_FIRST; else if (strcmp(filter_opt->answer, "last") == 0) return_filter = LAS_LAST; else if (strcmp(filter_opt->answer, "mid") == 0) return_filter = LAS_MID; else G_fatal_error(_("Unknown filter option <%s>"), filter_opt->answer); } struct ReturnFilter return_filter_struct; return_filter_struct.filter = return_filter; struct ClassFilter class_filter; class_filter_create_from_strings(&class_filter, class_opt->answers); percent = atoi(percent_opt->answer); /* TODO: we already used zscale */ /* TODO: we don't report intensity range */ if (zscale_opt->answer) zscale = atof(zscale_opt->answer); if (iscale_opt->answer) iscale = atof(iscale_opt->answer); /* parse zrange */ if (zrange_opt->answer != NULL) { if (zrange_opt->answers[0] == NULL) G_fatal_error(_("Invalid zrange")); sscanf(zrange_opt->answers[0], "%lf", &zrange_min); sscanf(zrange_opt->answers[1], "%lf", &zrange_max); if (zrange_min > zrange_max) { d_tmp = zrange_max; zrange_max = zrange_min; zrange_min = d_tmp; } } /* parse irange */ if (irange_opt->answer != NULL) { if (irange_opt->answers[0] == NULL) G_fatal_error(_("Invalid %s"), irange_opt->key); sscanf(irange_opt->answers[0], "%lf", &irange_min); sscanf(irange_opt->answers[1], "%lf", &irange_max); if (irange_min > irange_max) { d_tmp = irange_max; irange_max = irange_min; irange_min = d_tmp; } } point_binning_set(&point_binning, method_opt->answer, pth_opt->answer, trim_opt->answer, FALSE); base_array = NULL; if (strcmp("CELL", type_opt->answer) == 0) rtype = CELL_TYPE; else if (strcmp("DCELL", type_opt->answer) == 0) rtype = DCELL_TYPE; else rtype = FCELL_TYPE; if (point_binning.method == METHOD_N) rtype = CELL_TYPE; if (res_opt->answer) { /* align to resolution */ res = atof(res_opt->answer); if (!G_scan_resolution(res_opt->answer, &res, region.proj)) G_fatal_error(_("Invalid input <%s=%s>"), res_opt->key, res_opt->answer); if (res <= 0) G_fatal_error(_("Option '%s' must be > 0.0"), res_opt->key); region.ns_res = region.ew_res = res; region.north = ceil(region.north / res) * res; region.south = floor(region.south / res) * res; region.east = ceil(region.east / res) * res; region.west = floor(region.west / res) * res; G_adjust_Cell_head(®ion, 0, 0); } else if (extents_flag->answer) { /* align to current region */ Rast_align_window(®ion, &loc_wind); } Rast_set_output_window(®ion); rows = last_rows = region.rows; npasses = 1; if (percent < 100) { rows = (int)(region.rows * (percent / 100.0)); npasses = region.rows / rows; last_rows = region.rows - npasses * rows; if (last_rows) npasses++; else last_rows = rows; } cols = region.cols; G_debug(2, "region.n=%f region.s=%f region.ns_res=%f", region.north, region.south, region.ns_res); G_debug(2, "region.rows=%d [box_rows=%d] region.cols=%d", region.rows, rows, region.cols); /* using row-based chunks (used for output) when input and output * region matches and using segment library when they don't */ int use_segment = 0; int use_base_raster_res = 0; /* TODO: see if the input region extent is smaller than the raster * if yes, the we need to load the whole base raster if the -e * flag was defined (alternatively clip the regions) */ if (base_rast_res_flag->answer) use_base_raster_res = 1; if (base_raster_opt->answer && (res_opt->answer || use_base_raster_res || extents_flag->answer)) use_segment = 1; if (base_raster_opt->answer && !use_segment) { /* TODO: do we need to test existence first? mapset? */ base_raster = Rast_open_old(base_raster_opt->answer, ""); base_raster_data_type = Rast_get_map_type(base_raster); base_array = G_calloc((size_t)rows * (cols + 1), Rast_cell_size(base_raster_data_type)); } if (base_raster_opt->answer && use_segment) { if (use_base_raster_res) { /* read raster actual extent and resolution */ Rast_get_cellhd(base_raster_opt->answer, "", &input_region); /* TODO: make it only as small as the output is or points are */ Rast_set_input_window(&input_region); /* we have split window */ } else { Rast_get_input_window(&input_region); } rast_segment_open(&base_segment, base_raster_opt->answer, &base_raster_data_type); } if (!scan_flag->answer) { if (!check_rows_cols_fit_to_size_t(rows, cols)) G_fatal_error(_("Unable to process the hole map at once. " "Please set the '%s' option to some value lower than 100."), percent_opt->key); point_binning_memory_test(&point_binning, rows, cols, rtype); } /* open output map */ out_fd = Rast_open_new(outmap, rtype); /* allocate memory for a single row of output data */ raster_row = Rast_allocate_output_buf(rtype); G_message(_("Reading data ...")); count_total = line_total = 0; /* main binning loop(s) */ for (pass = 1; pass <= npasses; pass++) { if (npasses > 1) G_message(_("Pass #%d (of %d) ..."), pass, npasses); /* figure out segmentation */ row0 = (pass - 1) * rows; if (pass == npasses) { rows = last_rows; } if (base_array) { G_debug(2, "filling base raster array"); for (row = 0; row < rows; row++) { Rast_get_row(base_raster, base_array + ((size_t) row * cols * Rast_cell_size(base_raster_data_type)), row, base_raster_data_type); } } G_debug(2, "pass=%d/%d rows=%d", pass, npasses, rows); point_binning_allocate(&point_binning, rows, cols, rtype); line = 0; count = 0; counter = 0; G_percent_reset(); /* loop of input files */ for (i = 0; i < infiles.num_items; i++) { infile = infiles.items[i]; /* we already know file is there, so just do basic checks */ LAS_reader = LASReader_Create(infile); if (LAS_reader == NULL) G_fatal_error(_("Unable to open file <%s>"), infile); while ((LAS_point = LASReader_GetNextPoint(LAS_reader)) != NULL) { line++; counter++; if (counter == 100000) { /* speed */ if (line < estimated_lines) G_percent(line, estimated_lines, 3); counter = 0; } /* We always count them and report because behavior * changed in between 7.0 and 7.2 from undefined (but skipping * invalid points) to filtering them out only when requested. */ if (!LASPoint_IsValid(LAS_point)) { n_invalid++; if (only_valid) continue; } x = LASPoint_GetX(LAS_point); y = LASPoint_GetY(LAS_point); if (intens_flag->answer) /* use intensity as z here to allow all filters (and * modifications) below to be applied for intensity */ z = LASPoint_GetIntensity(LAS_point); else z = LASPoint_GetZ(LAS_point); int return_n = LASPoint_GetReturnNumber(LAS_point); int n_returns = LASPoint_GetNumberOfReturns(LAS_point); if (return_filter_is_out(&return_filter_struct, return_n, n_returns)) { n_filtered++; continue; } point_class = (int) LASPoint_GetClassification(LAS_point); if (class_filter_is_out(&class_filter, point_class)) continue; if (y <= region.south || y > region.north) { continue; } if (x < region.west || x >= region.east) { continue; } /* find the bin in the current array box */ arr_row = (int)((region.north - y) / region.ns_res) - row0; if (arr_row < 0 || arr_row >= rows) continue; arr_col = (int)((x - region.west) / region.ew_res); z = z * zscale; if (base_array) { double base_z; if (row_array_get_value_row_col(base_array, arr_row, arr_col, cols, base_raster_data_type, &base_z)) z -= base_z; else continue; } else if (use_segment) { double base_z; if (rast_segment_get_value_xy(&base_segment, &input_region, base_raster_data_type, x, y, &base_z)) z -= base_z; else continue; } if (zrange_opt->answer) { if (z < zrange_min || z > zrange_max) { continue; } } if (intens_import_flag->answer || irange_opt->answer) { intensity = LASPoint_GetIntensity(LAS_point); intensity *= iscale; if (irange_opt->answer) { if (intensity < irange_min || intensity > irange_max) { continue; } } /* use intensity for statistics */ if (intens_import_flag->answer) z = intensity; } count++; /* G_debug(5, "x: %f, y: %f, z: %f", x, y, z); */ update_value(&point_binning, &bin_index_nodes, cols, arr_row, arr_col, rtype, x, y, z); } /* while !EOF of one input file */ /* close input LAS file */ LASReader_Destroy(LAS_reader); } /* end of loop for all input files files */ G_percent(1, 1, 1); /* flush */ G_debug(2, "pass %d finished, %lu coordinates in box", pass, count); count_total += count; line_total += line; /* calc stats and output */ G_message(_("Writing to map ...")); for (row = 0; row < rows; row++) { /* potentially vector writing can be independent on the binning */ write_values(&point_binning, &bin_index_nodes, raster_row, row, cols, rtype, NULL); /* write out line of raster data */ Rast_put_row(out_fd, raster_row, rtype); } /* free memory */ point_binning_free(&point_binning, &bin_index_nodes); } /* passes loop */ if (base_array) Rast_close(base_raster); if (use_segment) Segment_close(&base_segment); G_percent(1, 1, 1); /* flush */ G_free(raster_row); /* close raster file & write history */ Rast_close(out_fd); sprintf(title, "Raw X,Y,Z data binned into a raster grid by cell %s", method_opt->answer); Rast_put_cell_title(outmap, title); Rast_short_history(outmap, "raster", &history); Rast_command_history(&history); Rast_set_history(&history, HIST_DATSRC_1, infile); Rast_write_history(outmap, &history); /* set computation region to the new raster map */ /* TODO: should be in the done message */ if (set_region_flag->answer) G_put_window(®ion); if (n_invalid && only_valid) G_message(_("%lu input points were invalid and filtered out"), n_invalid); if (n_invalid && !only_valid) G_message(_("%lu input points were invalid, use -%c flag to filter" " them out"), n_invalid, only_valid_flag->key); if (infiles.num_items > 1) { sprintf(buff, _("Raster map <%s> created." " %lu points from %d files found in region."), outmap, count_total, infiles.num_items); } else { sprintf(buff, _("Raster map <%s> created." " %lu points found in region."), outmap, count_total); } G_done_msg("%s", buff); G_debug(1, "Processed %lu points.", line_total); string_list_free(&infiles); exit(EXIT_SUCCESS); }
int main(int argc, char *argv[]) { struct GModule *module; struct Option *rastin, *rastout, *method; struct History history; char title[64]; char buf_nsres[100], buf_ewres[100]; struct Colors colors; int infile, outfile; DCELL *outbuf; int row, col; struct Cell_head dst_w, src_w; G_gisinit(argv[0]); module = G_define_module(); G_add_keyword(_("raster")); G_add_keyword(_("resample")); module->description = _("Resamples raster map layers to a finer grid using interpolation."); rastin = G_define_standard_option(G_OPT_R_INPUT); rastout = G_define_standard_option(G_OPT_R_OUTPUT); method = G_define_option(); method->key = "method"; method->type = TYPE_STRING; method->required = NO; method->description = _("Interpolation method"); method->options = "nearest,bilinear,bicubic,lanczos"; method->answer = "bilinear"; if (G_parser(argc, argv)) exit(EXIT_FAILURE); if (G_strcasecmp(method->answer, "nearest") == 0) neighbors = 1; else if (G_strcasecmp(method->answer, "bilinear") == 0) neighbors = 2; else if (G_strcasecmp(method->answer, "bicubic") == 0) neighbors = 4; else if (G_strcasecmp(method->answer, "lanczos") == 0) neighbors = 5; else G_fatal_error(_("Invalid method: %s"), method->answer); G_get_set_window(&dst_w); /* set window to old map */ Rast_get_cellhd(rastin->answer, "", &src_w); /* enlarge source window */ { double north = Rast_row_to_northing(0.5, &dst_w); double south = Rast_row_to_northing(dst_w.rows - 0.5, &dst_w); int r0 = (int)floor(Rast_northing_to_row(north, &src_w) - 0.5) - 2; int r1 = (int)floor(Rast_northing_to_row(south, &src_w) - 0.5) + 3; double west = Rast_col_to_easting(0.5, &dst_w); double east = Rast_col_to_easting(dst_w.cols - 0.5, &dst_w); int c0 = (int)floor(Rast_easting_to_col(west, &src_w) - 0.5) - 2; int c1 = (int)floor(Rast_easting_to_col(east, &src_w) - 0.5) + 3; src_w.south -= src_w.ns_res * (r1 - src_w.rows); src_w.north += src_w.ns_res * (-r0); src_w.west -= src_w.ew_res * (-c0); src_w.east += src_w.ew_res * (c1 - src_w.cols); src_w.rows = r1 - r0; src_w.cols = c1 - c0; } Rast_set_input_window(&src_w); /* allocate buffers for input rows */ for (row = 0; row < neighbors; row++) bufs[row] = Rast_allocate_d_input_buf(); cur_row = -100; /* open old map */ infile = Rast_open_old(rastin->answer, ""); /* reset window to current region */ Rast_set_output_window(&dst_w); outbuf = Rast_allocate_d_output_buf(); /* open new map */ outfile = Rast_open_new(rastout->answer, DCELL_TYPE); switch (neighbors) { case 1: /* nearest */ for (row = 0; row < dst_w.rows; row++) { double north = Rast_row_to_northing(row + 0.5, &dst_w); double maprow_f = Rast_northing_to_row(north, &src_w) - 0.5; int maprow0 = (int)floor(maprow_f + 0.5); G_percent(row, dst_w.rows, 2); read_rows(infile, maprow0); for (col = 0; col < dst_w.cols; col++) { double east = Rast_col_to_easting(col + 0.5, &dst_w); double mapcol_f = Rast_easting_to_col(east, &src_w) - 0.5; int mapcol0 = (int)floor(mapcol_f + 0.5); double c = bufs[0][mapcol0]; if (Rast_is_d_null_value(&c)) { Rast_set_d_null_value(&outbuf[col], 1); } else { outbuf[col] = c; } } Rast_put_d_row(outfile, outbuf); } break; case 2: /* bilinear */ for (row = 0; row < dst_w.rows; row++) { double north = Rast_row_to_northing(row + 0.5, &dst_w); double maprow_f = Rast_northing_to_row(north, &src_w) - 0.5; int maprow0 = (int)floor(maprow_f); double v = maprow_f - maprow0; G_percent(row, dst_w.rows, 2); read_rows(infile, maprow0); for (col = 0; col < dst_w.cols; col++) { double east = Rast_col_to_easting(col + 0.5, &dst_w); double mapcol_f = Rast_easting_to_col(east, &src_w) - 0.5; int mapcol0 = (int)floor(mapcol_f); int mapcol1 = mapcol0 + 1; double u = mapcol_f - mapcol0; double c00 = bufs[0][mapcol0]; double c01 = bufs[0][mapcol1]; double c10 = bufs[1][mapcol0]; double c11 = bufs[1][mapcol1]; if (Rast_is_d_null_value(&c00) || Rast_is_d_null_value(&c01) || Rast_is_d_null_value(&c10) || Rast_is_d_null_value(&c11)) { Rast_set_d_null_value(&outbuf[col], 1); } else { outbuf[col] = Rast_interp_bilinear(u, v, c00, c01, c10, c11); } } Rast_put_d_row(outfile, outbuf); } break; case 4: /* bicubic */ for (row = 0; row < dst_w.rows; row++) { double north = Rast_row_to_northing(row + 0.5, &dst_w); double maprow_f = Rast_northing_to_row(north, &src_w) - 0.5; int maprow1 = (int)floor(maprow_f); int maprow0 = maprow1 - 1; double v = maprow_f - maprow1; G_percent(row, dst_w.rows, 2); read_rows(infile, maprow0); for (col = 0; col < dst_w.cols; col++) { double east = Rast_col_to_easting(col + 0.5, &dst_w); double mapcol_f = Rast_easting_to_col(east, &src_w) - 0.5; int mapcol1 = (int)floor(mapcol_f); int mapcol0 = mapcol1 - 1; int mapcol2 = mapcol1 + 1; int mapcol3 = mapcol1 + 2; double u = mapcol_f - mapcol1; double c00 = bufs[0][mapcol0]; double c01 = bufs[0][mapcol1]; double c02 = bufs[0][mapcol2]; double c03 = bufs[0][mapcol3]; double c10 = bufs[1][mapcol0]; double c11 = bufs[1][mapcol1]; double c12 = bufs[1][mapcol2]; double c13 = bufs[1][mapcol3]; double c20 = bufs[2][mapcol0]; double c21 = bufs[2][mapcol1]; double c22 = bufs[2][mapcol2]; double c23 = bufs[2][mapcol3]; double c30 = bufs[3][mapcol0]; double c31 = bufs[3][mapcol1]; double c32 = bufs[3][mapcol2]; double c33 = bufs[3][mapcol3]; if (Rast_is_d_null_value(&c00) || Rast_is_d_null_value(&c01) || Rast_is_d_null_value(&c02) || Rast_is_d_null_value(&c03) || Rast_is_d_null_value(&c10) || Rast_is_d_null_value(&c11) || Rast_is_d_null_value(&c12) || Rast_is_d_null_value(&c13) || Rast_is_d_null_value(&c20) || Rast_is_d_null_value(&c21) || Rast_is_d_null_value(&c22) || Rast_is_d_null_value(&c23) || Rast_is_d_null_value(&c30) || Rast_is_d_null_value(&c31) || Rast_is_d_null_value(&c32) || Rast_is_d_null_value(&c33)) { Rast_set_d_null_value(&outbuf[col], 1); } else { outbuf[col] = Rast_interp_bicubic(u, v, c00, c01, c02, c03, c10, c11, c12, c13, c20, c21, c22, c23, c30, c31, c32, c33); } } Rast_put_d_row(outfile, outbuf); } break; case 5: /* lanczos */ for (row = 0; row < dst_w.rows; row++) { double north = Rast_row_to_northing(row + 0.5, &dst_w); double maprow_f = Rast_northing_to_row(north, &src_w) - 0.5; int maprow1 = (int)floor(maprow_f + 0.5); int maprow0 = maprow1 - 2; double v = maprow_f - maprow1; G_percent(row, dst_w.rows, 2); read_rows(infile, maprow0); for (col = 0; col < dst_w.cols; col++) { double east = Rast_col_to_easting(col + 0.5, &dst_w); double mapcol_f = Rast_easting_to_col(east, &src_w) - 0.5; int mapcol2 = (int)floor(mapcol_f + 0.5); int mapcol0 = mapcol2 - 2; int mapcol4 = mapcol2 + 2; double u = mapcol_f - mapcol2; double c[25]; int ci = 0, i, j, do_lanczos = 1; for (i = 0; i < 5; i++) { for (j = mapcol0; j <= mapcol4; j++) { c[ci] = bufs[i][j]; if (Rast_is_d_null_value(&(c[ci]))) { Rast_set_d_null_value(&outbuf[col], 1); do_lanczos = 0; break; } ci++; } if (!do_lanczos) break; } if (do_lanczos) { outbuf[col] = Rast_interp_lanczos(u, v, c); } } Rast_put_d_row(outfile, outbuf); } break; } G_percent(dst_w.rows, dst_w.rows, 2); Rast_close(infile); Rast_close(outfile); /* record map metadata/history info */ sprintf(title, "Resample by %s interpolation", method->answer); Rast_put_cell_title(rastout->answer, title); Rast_short_history(rastout->answer, "raster", &history); Rast_set_history(&history, HIST_DATSRC_1, rastin->answer); G_format_resolution(src_w.ns_res, buf_nsres, src_w.proj); G_format_resolution(src_w.ew_res, buf_ewres, src_w.proj); Rast_format_history(&history, HIST_DATSRC_2, "Source map NS res: %s EW res: %s", buf_nsres, buf_ewres); Rast_command_history(&history); Rast_write_history(rastout->answer, &history); /* copy color table from source map */ if (Rast_read_colors(rastin->answer, "", &colors) < 0) G_fatal_error(_("Unable to read color table for %s"), rastin->answer); Rast_mark_colors_as_fp(&colors); Rast_write_colors(rastout->answer, G_mapset(), &colors); return (EXIT_SUCCESS); }
int main(int argc, char *argv[]) { const char *mapset; struct GModule *module; struct Option *raster, *title_opt, *history_opt; struct Option *datasrc1_opt, *datasrc2_opt, *datadesc_opt; struct Option *map_opt, *units_opt, *vunits_opt; struct Option *load_opt, *save_opt; struct Flag *stats_flag; const char *infile; char title[MAX_TITLE_LEN + 1]; struct History hist; /* Initialize GIS engine */ G_gisinit(argv[0]); module = G_define_module(); G_add_keyword(_("raster3d")); G_add_keyword(_("metadata")); G_add_keyword(_("voxel")); module->description = _("Allows creation and/or modification of " "3D raster map layer support files."); raster = G_define_standard_option(G_OPT_R3_MAP); title_opt = G_define_option(); title_opt->key = "title"; title_opt->key_desc = "phrase"; title_opt->type = TYPE_STRING; title_opt->required = NO; title_opt->description = _("Text to use for map title"); history_opt = G_define_option(); history_opt->key = "history"; history_opt->key_desc = "phrase"; history_opt->type = TYPE_STRING; history_opt->required = NO; history_opt->description = _("Text to append to the next line of the map's metadata file"); units_opt = G_define_option(); units_opt->key = "unit"; units_opt->type = TYPE_STRING; units_opt->required = NO; units_opt->description = _("The map data unit"); vunits_opt = G_define_option(); vunits_opt->key = "vunit"; vunits_opt->type = TYPE_STRING; vunits_opt->required = NO; vunits_opt->description = _("The vertical unit of the map"); datasrc1_opt = G_define_option(); datasrc1_opt->key = "source1"; datasrc1_opt->key_desc = "phrase"; datasrc1_opt->type = TYPE_STRING; datasrc1_opt->required = NO; datasrc1_opt->description = _("Text to use for data source, line 1"); datasrc2_opt = G_define_option(); datasrc2_opt->key = "source2"; datasrc2_opt->key_desc = "phrase"; datasrc2_opt->type = TYPE_STRING; datasrc2_opt->required = NO; datasrc2_opt->description = _("Text to use for data source, line 2"); datadesc_opt = G_define_option(); datadesc_opt->key = "description"; datadesc_opt->key_desc = "phrase"; datadesc_opt->type = TYPE_STRING; datadesc_opt->required = NO; datadesc_opt->description = _("Text to use for data description or keyword(s)"); map_opt = G_define_option(); map_opt->key = "raster"; map_opt->type = TYPE_STRING; map_opt->required = NO; map_opt->gisprompt = "old,cell,raster"; map_opt->description = _("Raster map from which to copy category table"); load_opt = G_define_standard_option(G_OPT_F_INPUT); load_opt->key = "loadhistory"; load_opt->required = NO; load_opt->description = _("Text file from which to load history"); save_opt = G_define_standard_option(G_OPT_F_OUTPUT); save_opt->key = "savehistory"; save_opt->required = NO; save_opt->description = _("Text file in which to save history"); stats_flag = G_define_flag(); stats_flag->key = 's'; stats_flag->description = _("Update range"); /* Parse command-line options */ if (G_parser(argc, argv)) exit(EXIT_FAILURE); /* Make sure raster exists and set mapset */ infile = raster->answer; mapset = G_find_raster3d(infile, G_mapset()); /* current mapset only for editing */ if (!mapset || strcmp(mapset, G_mapset()) != 0) G_fatal_error(_("3D raster map <%s> not found"), infile); if (title_opt->answer) { strncpy(title, title_opt->answer, MAX_TITLE_LEN); title[MAX_TITLE_LEN - 1] = '\0'; /* strncpy doesn't null terminate over-sized input */ G_strip(title); G_debug(3, "map title= [%s] (%d chars)", title, (int)strlen(title)); Rast3d_read_history(raster->answer, "", &hist); Rast_set_history(&hist, HIST_TITLE, title); Rast3d_write_history(raster->answer, &hist); } if (save_opt->answer) { FILE *fp = fopen(save_opt->answer, "w"); int i; if (!fp) G_fatal_error(_("Unable to open output file <%s>"), save_opt->answer); Rast3d_read_history(raster->answer, "", &hist); for (i = 0; i < Rast_history_length(&hist); i++) fprintf(fp, "%s\n", Rast_history_line(&hist, i)); fclose(fp); } if (load_opt->answer) { FILE *fp = fopen(load_opt->answer, "r"); if (!fp) G_fatal_error(_("Unable to open input file <%s>"), load_opt->answer); Rast3d_read_history(raster->answer, "", &hist); Rast_clear_history(&hist); for (;;) { char buf[80]; if (!G_getl2(buf, sizeof(buf), fp)) break; Rast_append_history(&hist, buf); } fclose(fp); Rast3d_write_history(raster->answer, &hist); } if (history_opt->answer) { Rast3d_read_history(raster->answer, "", &hist); /* two less than defined as if only one less a newline gets appended in the hist file. bug? */ /* Should be RECORD_LEN, but r.info truncates at > 71 chars */ if (strlen(history_opt->answer) > 71) { int i; for (i = 0; i < strlen(history_opt->answer); i += 71) { char buf[72]; strncpy(buf, &history_opt->answer[i], sizeof(buf)-1); buf[sizeof(buf)-1] = '\0'; Rast_append_history(&hist, buf); } } else Rast_append_history(&hist, history_opt->answer); Rast3d_write_history(raster->answer, &hist); } if(units_opt->answer || vunits_opt->answer) { RASTER3D_Map *map; map = Rast3d_open_cell_old(raster->answer, G_mapset(), \ RASTER3D_DEFAULT_WINDOW, RASTER3D_TILE_SAME_AS_FILE, RASTER3D_USE_CACHE_DEFAULT); /* Modify the units */ if (units_opt->answer) Rast3d_set_unit(map, units_opt->answer); if (vunits_opt->answer) Rast3d_set_vertical_unit(map, vunits_opt->answer); Rast3d_rewrite_header(map); Rast3d_close(map); } if (datasrc1_opt->answer || datasrc2_opt->answer || datadesc_opt->answer) { Rast3d_read_history(raster->answer, "", &hist); if (datasrc1_opt->answer) Rast_set_history(&hist, HIST_DATSRC_1, datasrc1_opt->answer); if (datasrc2_opt->answer) Rast_set_history(&hist, HIST_DATSRC_2, datasrc2_opt->answer); if (datadesc_opt->answer) Rast_set_history(&hist, HIST_KEYWRD, datadesc_opt->answer); Rast3d_write_history(raster->answer, &hist); } if (map_opt->answer) { /* use cats from another map */ int fd; struct Categories cats; fd = Rast_open_old(infile, ""); Rast_init_cats("", &cats); if (Rast3d_read_cats(map_opt->answer, "", &cats) < 0) G_fatal_error(_("Unable to read category file of raster map <%s>"), map_opt->answer); Rast3d_write_cats(infile, &cats); G_message(_("cats table for [%s] set to %s"), infile, map_opt->answer); Rast_close(fd); Rast_free_cats(&cats); } /* Check the histogram and range */ if (stats_flag->answer) check_stats(raster->answer); return EXIT_SUCCESS; }
int main(int argc, char *argv[]) { char rname[GNAME_MAX]; /* Reclassed map name */ char rmapset[GMAPSET_MAX]; /* Reclassed mapset */ const char *mapset; /* Raster mapset */ struct Cell_head cellhd; struct GModule *module; struct Option *raster, *title_opt, *history_opt; struct Option *datasrc1_opt, *datasrc2_opt, *datadesc_opt; struct Option *map_opt, *units_opt, *vdatum_opt; struct Option *load_opt, *save_opt; struct Flag *stats_flag, *null_flag, *del_flag; int is_reclass; /* Is raster reclass? */ const char *infile; char title[MAX_TITLE_LEN + 1]; struct History hist; /* Initialize GIS engine */ G_gisinit(argv[0]); module = G_define_module(); G_add_keyword(_("raster")); G_add_keyword(_("metadata")); module->description = _("Allows creation and/or modification of " "raster map layer support files."); raster = G_define_standard_option(G_OPT_R_MAP); title_opt = G_define_option(); title_opt->key = "title"; title_opt->key_desc = "phrase"; title_opt->type = TYPE_STRING; title_opt->required = NO; title_opt->description = _("Title for resultant raster map"); history_opt = G_define_option(); history_opt->key = "history"; history_opt->key_desc = "phrase"; history_opt->type = TYPE_STRING; history_opt->required = NO; history_opt->description = _("Text to append to the next line of the map's metadata file"); units_opt = G_define_option(); units_opt->key = "units"; units_opt->type = TYPE_STRING; units_opt->required = NO; units_opt->description = _("Text to use for map data units"); vdatum_opt = G_define_option(); vdatum_opt->key = "vdatum"; vdatum_opt->type = TYPE_STRING; vdatum_opt->required = NO; vdatum_opt->description = _("Text to use for map vertical datum"); datasrc1_opt = G_define_option(); datasrc1_opt->key = "source1"; datasrc1_opt->key_desc = "phrase"; datasrc1_opt->type = TYPE_STRING; datasrc1_opt->required = NO; datasrc1_opt->description = _("Text to use for data source, line 1"); datasrc2_opt = G_define_option(); datasrc2_opt->key = "source2"; datasrc2_opt->key_desc = "phrase"; datasrc2_opt->type = TYPE_STRING; datasrc2_opt->required = NO; datasrc2_opt->description = _("Text to use for data source, line 2"); datadesc_opt = G_define_option(); datadesc_opt->key = "description"; datadesc_opt->key_desc = "phrase"; datadesc_opt->type = TYPE_STRING; datadesc_opt->required = NO; datadesc_opt->description = _("Text to use for data description or keyword(s)"); map_opt = G_define_option(); map_opt->key = "raster"; map_opt->type = TYPE_STRING; map_opt->required = NO; map_opt->gisprompt = "old,cell,raster"; map_opt->description = _("Raster map from which to copy category table"); load_opt = G_define_standard_option(G_OPT_F_INPUT); load_opt->key = "loadhistory"; load_opt->required = NO; load_opt->description = _("Text file from which to load history"); save_opt = G_define_standard_option(G_OPT_F_OUTPUT); save_opt->key = "savehistory"; save_opt->required = NO; save_opt->description = _("Text file in which to save history"); stats_flag = G_define_flag(); stats_flag->key = 's'; stats_flag->description = _("Update statistics (histogram, range)"); null_flag = G_define_flag(); null_flag->key = 'n'; null_flag->description = _("Create/reset the null file"); del_flag = G_define_flag(); del_flag->key = 'd'; del_flag->description = _("Delete the null file"); /* Parse command-line options */ if (G_parser(argc, argv)) exit(EXIT_FAILURE); /* Make sure raster exists and set mapset */ infile = raster->answer; mapset = G_find_raster2(infile, G_mapset()); /* current mapset only for editing */ if (!mapset || strcmp(mapset, G_mapset()) != 0) G_fatal_error(_("Raster map <%s> not found in current mapset"), infile); Rast_get_cellhd(raster->answer, "", &cellhd); is_reclass = (Rast_is_reclass(raster->answer, "", rname, rmapset) > 0); if (title_opt->answer) { strncpy(title, title_opt->answer, MAX_TITLE_LEN); title[MAX_TITLE_LEN - 1] = '\0'; /* strncpy doesn't null terminate oversized input */ G_strip(title); G_debug(3, "map title= [%s] (%li chars)", title, strlen(title)); Rast_read_history(raster->answer, "", &hist); Rast_set_history(&hist, HIST_TITLE, title); Rast_write_history(raster->answer, &hist); } if (save_opt->answer) { FILE *fp = fopen(save_opt->answer, "w"); int i; if (!fp) G_fatal_error(_("Unable to open output file <%s>"), save_opt->answer); Rast_read_history(raster->answer, "", &hist); for (i = 0; i < Rast_history_length(&hist); i++) fprintf(fp, "%s\n", Rast_history_line(&hist, i)); fclose(fp); } if (load_opt->answer) { FILE *fp = fopen(load_opt->answer, "r"); if (!fp) G_fatal_error(_("Unable to open input file <%s>"), load_opt->answer); Rast_read_history(raster->answer, "", &hist); Rast_clear_history(&hist); for (;;) { char buf[80]; if (!G_getl2(buf, sizeof(buf), fp)) break; Rast_append_history(&hist, buf); } fclose(fp); Rast_write_history(raster->answer, &hist); } if (history_opt->answer) { Rast_read_history(raster->answer, "", &hist); /* two less than defined as if only one less a newline gets appended in the hist file. bug? */ /* Should be RECORD_LEN, but r.info truncates at > 71 chars */ if (strlen(history_opt->answer) > 71) { int i; for (i = 0; i < strlen(history_opt->answer); i += 71) { char buf[72]; strncpy(buf, &history_opt->answer[i], sizeof(buf)-1); buf[sizeof(buf)-1] = '\0'; Rast_append_history(&hist, buf); } } else Rast_append_history(&hist, history_opt->answer); Rast_write_history(raster->answer, &hist); } if (units_opt->answer) Rast_write_units(raster->answer, units_opt->answer); if (vdatum_opt->answer) Rast_write_vdatum(raster->answer, vdatum_opt->answer); if (datasrc1_opt->answer || datasrc2_opt->answer || datadesc_opt->answer) { Rast_read_history(raster->answer, "", &hist); if (datasrc1_opt->answer) Rast_set_history(&hist, HIST_DATSRC_1, datasrc1_opt->answer); if (datasrc2_opt->answer) Rast_set_history(&hist, HIST_DATSRC_2, datasrc2_opt->answer); if (datadesc_opt->answer) Rast_set_history(&hist, HIST_KEYWRD, datadesc_opt->answer); Rast_write_history(raster->answer, &hist); } if (map_opt->answer) { /* use cats from another map */ int fd; struct Categories cats; fd = Rast_open_old(infile, ""); Rast_init_cats("", &cats); if (Rast_read_cats(map_opt->answer, "", &cats) < 0) G_fatal_error(_("Unable to read category file of raster map <%s>"), map_opt->answer); Rast_write_cats(infile, &cats); G_message(_("cats table for [%s] set to %s"), infile, map_opt->answer); Rast_close(fd); Rast_free_cats(&cats); } if (title_opt->answer || history_opt->answer || units_opt->answer || vdatum_opt->answer || datasrc1_opt->answer || datasrc2_opt->answer || datadesc_opt->answer || map_opt->answer) exit(EXIT_SUCCESS); /* Check the histogram and range */ if (stats_flag->answer) check_stats(raster->answer); /* null file */ if (null_flag->answer) { unsigned char *null_bits; int row, col; int fd; if (is_reclass) G_fatal_error(_("[%s] is a reclass of another map. Exiting."), raster->answer); /* Create a file of no-nulls */ null_bits = Rast__allocate_null_bits(cellhd.cols); for (col = 0; col < Rast__null_bitstream_size(cellhd.cols); col++) null_bits[col] = 0; /* Open null file for writing */ Rast_set_window(&cellhd); fd = Rast__open_null_write(raster->answer); G_message(_("Writing new null file for [%s]... "), raster->answer); for (row = 0; row < cellhd.rows; row++) { G_percent(row, cellhd.rows, 1); Rast__write_null_bits(fd, null_bits); } G_percent(row, cellhd.rows, 1); /* Cleanup */ Rast__close_null(fd); G_free(null_bits); } if (del_flag->answer) { char path[GPATH_MAX]; if (is_reclass) G_fatal_error(_("[%s] is a reclass of another map. Exiting."), raster->answer); /* Write a file of no-nulls */ G_message(_("Removing null file for [%s]...\n"), raster->answer); G_file_name_misc(path, "cell_misc", "null", raster->answer, G_mapset()); unlink(path); G_file_name_misc(path, "cell_misc", "null2", raster->answer, G_mapset()); unlink(path); G_done_msg(_("Done.")); } return EXIT_SUCCESS; }