source: git/src/survexport.cc @ 8a7804fb

/* survexport.cc
 * Convert a processed survey data file to another format.
 */

/* Copyright (C) 1994-2024 Olly Betts
 * Copyright (C) 2004 John Pybus (SVG Output code)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see
 * <https://www.gnu.org/licenses/>.
 */

#include <config.h>

#define MSG_SETUP_PROJ_SEARCH_PATH 1

#include <ctype.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "export.h"
#include "mainfrm.h"

#include "cmdline.h"
#include "filename.h"
#include "img_for_survex.h"
#include "message.h"
#include "useful.h"

#include <iostream>
#include <string>

using namespace std;

int
main(int argc, char **argv)
{
   double pan = 0;
   double tilt = -90.0;
   export_format format = FMT_MAX_PLUS_ONE_;
   int show_mask = 0;
   const char *survey = NULL;
   double grid = 0.0; /* grid spacing (or 0 for no grid) */
   double text_height = DEFAULT_TEXT_HEIGHT; /* for station labels */
   double marker_size = DEFAULT_MARKER_SIZE; /* for station markers */
   double scale = 500.0;
   SurveyFilter* filter = NULL;

   {
       /* Default to .pos output if installed as 3dtopos. */
       char* progname = baseleaf_from_fnm(argv[0]);
       for (char * p = progname; *p; ++p) {
           *p = tolower((unsigned char)*p);
       }
       if (strcmp(progname, "3dtopos") == 0) {
           format = FMT_POS;
       }
       free(progname);
   }

   const int OPT_FMT_BASE = 20000;
   enum {
       OPT_SCALE = 0x100, OPT_BEARING, OPT_TILT, OPT_PLAN, OPT_ELEV,
       OPT_LEGS, OPT_SURF, OPT_SPLAYS, OPT_CROSSES, OPT_LABELS, OPT_ENTS,
       OPT_FIXES, OPT_EXPORTS, OPT_XSECT, OPT_WALLS, OPT_PASG,
       OPT_CENTRED, OPT_FULL_COORDS, OPT_CLAMP_TO_GROUND, OPT_DEFAULTS
   };
   static const struct option long_opts[] = {
        /* const char *name; int has_arg (0 no_argument, 1 required, 2 options_*); int *flag; int val */
        {"survey", required_argument, 0, 's'},
        {"scale", required_argument, 0, OPT_SCALE},
        {"bearing", required_argument, 0, OPT_BEARING},
        {"tilt", required_argument, 0, OPT_TILT},
        {"plan", no_argument, 0, OPT_PLAN},
        {"elevation", no_argument, 0, OPT_ELEV},
        {"legs", no_argument, 0, OPT_LEGS},
        {"surface-legs", no_argument, 0, OPT_SURF},
        {"splays", no_argument, 0, OPT_SPLAYS},
        {"crosses", no_argument, 0, OPT_CROSSES},
        {"station-names", no_argument, 0, OPT_LABELS},
        {"entrances", no_argument, 0, OPT_ENTS},
        {"fixes", no_argument, 0, OPT_FIXES},
        {"exports", no_argument, 0, OPT_EXPORTS},
        {"cross-sections", no_argument, 0, OPT_XSECT},
        {"walls", no_argument, 0, OPT_WALLS},
        {"passages", no_argument, 0, OPT_PASG},
        {"origin-in-centre", no_argument, 0, OPT_CENTRED},
        {"full-coordinates", no_argument, 0, OPT_FULL_COORDS},
        {"clamp-to-ground", no_argument, 0, OPT_CLAMP_TO_GROUND},
        {"defaults", no_argument, 0, OPT_DEFAULTS},
        {"grid", optional_argument, 0, 'g'},
        {"text-height", required_argument, 0, 't'},
        {"marker-size", required_argument, 0, 'm'},
        {"3d", no_argument, 0, OPT_FMT_BASE + FMT_3D},
        {"csv", no_argument, 0, OPT_FMT_BASE + FMT_CSV},
        {"dxf", no_argument, 0, OPT_FMT_BASE + FMT_DXF},
        {"eps", no_argument, 0, OPT_FMT_BASE + FMT_EPS},
        {"gpx", no_argument, 0, OPT_FMT_BASE + FMT_GPX},
        {"hpgl", no_argument, 0, OPT_FMT_BASE + FMT_HPGL},
        {"json", no_argument, 0, OPT_FMT_BASE + FMT_JSON},
        {"kml", no_argument, 0, OPT_FMT_BASE + FMT_KML},
        {"plt", no_argument, 0, OPT_FMT_BASE + FMT_PLT},
        {"pos", no_argument, 0, OPT_FMT_BASE + FMT_POS},
        {"shp-lines", no_argument, 0, OPT_FMT_BASE + FMT_SHP_LINES},
        {"shp-points", no_argument, 0, OPT_FMT_BASE + FMT_SHP_POINTS},
        {"svg", no_argument, 0, OPT_FMT_BASE + FMT_SVG},
        {"help", no_argument, 0, HLP_HELP},
        {"version", no_argument, 0, HLP_VERSION},
        // US spelling:
        {"origin-in-center", no_argument, 0, OPT_CENTRED},
        // Abbreviation:
        {"full-coords", no_argument, 0, OPT_FULL_COORDS},
        {0,0,0,0}
   };

#define short_opts "s:g::t:m:"

   static struct help_msg help[] = {
        /*                      <-- */
        {HLP_ENCODELONG(0),   /*only load the sub-survey with this prefix*/199, 0, 0},
        /* TRANSLATORS: These example input values should not be translated. */
        {HLP_ENCODELONG(1),   /*scale (50, 0.02, 1:50 and 2:100 all mean 1:50)*/217, 0, 0},
        /* TRANSLATORS: These example input values should not be translated. */
        {HLP_ENCODELONG(2),   /*bearing (90, 90d, 100g all mean 90°)*/460, 0, 0},
        /* TRANSLATORS: These example input values should not be translated. */
        {HLP_ENCODELONG(3),   /*tilt (45, 45d, 50g, 100% all mean 45°)*/461, 0, 0},
        /* TRANSLATORS: Don't translate example command line option --tilt=-90 */
        {HLP_ENCODELONG(4),   /*plan view (equivalent to --tilt=-90)*/462, 0, 0},
        /* TRANSLATORS: Don't translate example command line option --tilt=0 */
        {HLP_ENCODELONG(5),   /*elevation view (equivalent to --tilt=0)*/463, 0, 0},
        {HLP_ENCODELONG(6),   /*underground survey legs*/476, 0, 0},
        {HLP_ENCODELONG(7),   /*surface survey legs*/464, 0, 0},
        {HLP_ENCODELONG(8),   /*splay legs*/465, 0, 0},
        {HLP_ENCODELONG(9),   /*station markers*/474, 0, 0},
        {HLP_ENCODELONG(10),  /*station labels*/475, 0, 0},
        {HLP_ENCODELONG(11),  /*entrances*/466, 0, 0},
        {HLP_ENCODELONG(12),  /*fixed points*/467, 0, 0},
        {HLP_ENCODELONG(13),  /*exported stations*/468, 0, 0},
        {HLP_ENCODELONG(14),  /*cross-sections*/469, 0, 0},
        {HLP_ENCODELONG(15),  /*walls*/470, 0, 0},
        {HLP_ENCODELONG(16),  /*passages*/471, 0, 0},
        {HLP_ENCODELONG(17),  /*origin in centre*/472, 0, 0},
        {HLP_ENCODELONG(18),  /*full coordinates*/473, 0, 0},
        {HLP_ENCODELONG(19),  /*clamp to ground*/478, 0, 0},
        {HLP_ENCODELONG(20),  /*include items exported by default*/155, 0, 0},
        {HLP_ENCODELONG(21),  /*generate grid (default %sm)*/148, STRING(DEFAULT_GRID_SPACING), 0},
        {HLP_ENCODELONG(22),  /*station labels text height (default %s)*/149, STRING(DEFAULT_TEXT_HEIGHT), 0},
        {HLP_ENCODELONG(23),  /*station marker size (default %s)*/152, STRING(DEFAULT_MARKER_SIZE), 0},
        {HLP_ENCODELONG(24),  /*produce Survex 3d output*/487, 0, 0},
        {HLP_ENCODELONG(25),  /*produce CSV output*/102, 0, 0},
        {HLP_ENCODELONG(26),  /*produce DXF output*/156, 0, 0},
        {HLP_ENCODELONG(27),  /*produce EPS output*/454, 0, 0},
        {HLP_ENCODELONG(28),  /*produce GPX output*/455, 0, 0},
        {HLP_ENCODELONG(29),  /*produce HPGL output*/456, 0, 0},
        {HLP_ENCODELONG(30),  /*produce JSON output*/457, 0, 0},
        {HLP_ENCODELONG(31),  /*produce KML output*/458, 0, 0},
        /* TRANSLATORS: "Compass" and "Carto" are the names of software packages,
         * so should not be translated. */
        {HLP_ENCODELONG(32),  /*produce Compass PLT output for Carto*/159, 0, 0},
        {HLP_ENCODELONG(33),  /*produce Survex POS output*/459, 0, 0},
        {HLP_ENCODELONG(34),  /*produce Shapefile (lines) output*/525, 0, 0},
        {HLP_ENCODELONG(35),  /*produce Shapefile (points) output*/526, 0, 0},
        {HLP_ENCODELONG(36),  /*produce SVG output*/160, 0, 0},
        {0, 0, 0, 0}
   };

   msg_init(argv);

   string optmap[sizeof(show_mask) * CHAR_BIT];

   int long_index;
   bool always_include_defaults = false;
   cmdline_init(argc, argv, short_opts, long_opts, &long_index, help, 1, 2);
   while (1) {
      long_index = -1;
      int opt = cmdline_getopt();
      if (opt == EOF) break;
      int bit = 0;
      switch (opt) {
       case OPT_LEGS:
         bit = LEGS;
         break;
       case OPT_SURF:
         bit = SURF;
         break;
       case OPT_SPLAYS:
         bit = SPLAYS;
         break;
       case OPT_CROSSES:
         bit = STNS;
         break;
       case OPT_LABELS:
         bit = LABELS;
         break;
       case OPT_ENTS:
         bit = ENTS;
         break;
       case OPT_FIXES:
         bit = FIXES;
         break;
       case OPT_EXPORTS:
         bit = EXPORTS;
         break;
       case OPT_XSECT:
         bit = XSECT;
         break;
       case OPT_WALLS:
         bit = WALLS;
         break;
       case OPT_PASG:
         bit = PASG;
         break;
       case OPT_CENTRED:
         bit = CENTRED;
         break;
       case OPT_FULL_COORDS:
         bit = FULL_COORDS;
         break;
       case OPT_CLAMP_TO_GROUND:
         bit = CLAMP_TO_GROUND;
         break;
       case OPT_DEFAULTS:
         always_include_defaults = true;
         break;
       case 'g': /* Grid */
         if (optarg) {
            grid = cmdline_double_arg();
         } else {
            grid = (double)DEFAULT_GRID_SPACING;
         }
         bit = GRID;
         break;
       case OPT_SCALE: {
         char* colon = strchr(optarg, ':');
         if (!colon) {
             /* --scale=1000 => 1:1000 => scale = 1000 */
             scale = cmdline_double_arg();
             if (scale < 1.0) {
                 /* --scale=0.001 => 1:1000 => scale = 1000 */
                 scale = 1.0 / scale;
             }
         } else if (colon - optarg == 1 && optarg[0] == '1') {
             /* --scale=1:1000 => 1:1000 => scale = 1000 */
             optarg += 2;
             scale = cmdline_double_arg();
             optarg -= 2;
         } else {
             /* --scale=2:1000 => 1:500 => scale = 500 */
             *colon = '\0';
             scale = cmdline_double_arg();
             optarg = colon + 1;
             scale = cmdline_double_arg() / scale;
             *colon = ':';
         }
         bit = SCALE;
         break;
       }
       case OPT_BEARING: {
         int units = 0;
         size_t len = strlen(optarg);
         if (len > 0) {
             char ch = optarg[len - 1];
             switch (ch) {
                 case 'd':
                 case 'g':
                     units = ch;
                     optarg[len - 1] = '\0';
                     break;
             }
             pan = cmdline_double_arg();
             optarg[len - 1] = ch;
         } else {
             pan = cmdline_double_arg();
         }
         if (units == 'g') {
             pan *= 0.9;
         }
         bit = ORIENTABLE;
         break;
       }
       case OPT_TILT: {
         int units = 0;
         size_t len = strlen(optarg);
         if (len > 0) {
             char ch = optarg[len - 1];
             switch (ch) {
                 case '%':
                 case 'd':
                 case 'g':
                     units = ch;
                     optarg[len - 1] = '\0';
                     break;
             }
             tilt = cmdline_double_arg();
             optarg[len - 1] = ch;
         } else {
             tilt = cmdline_double_arg();
         }
         if (units == 'g') {
             tilt *= 0.9;
         } else if (units == '%') {
             tilt = deg(atan(tilt * 0.01));
         }
         bit = ORIENTABLE;
         break;
       }
       case OPT_PLAN:
         tilt = -90.0;
         bit = ORIENTABLE;
         break;
       case OPT_ELEV:
         tilt = 0.0;
         bit = ORIENTABLE;
         break;
       case 't': /* Text height */
         text_height = cmdline_double_arg();
         bit = TEXT_HEIGHT;
         break;
       case 'm': /* Marker size */
         marker_size = cmdline_double_arg();
         bit = MARKER_SIZE;
         break;
       case 's':
         if (survey) {
             if (!filter) {
                 filter = new SurveyFilter();
                 filter->add(survey);
             }
             filter->add(optarg);
         } else {
             survey = optarg;
         }
         break;
       default:
         if (opt >= OPT_FMT_BASE && opt < OPT_FMT_BASE + FMT_MAX_PLUS_ONE_) {
             format = export_format(opt - OPT_FMT_BASE);
         }
      }
      if (bit) {
          show_mask |= bit;
          int i = 0;
          while (((bit >> i) & 1) == 0) ++i;

          if (!optmap[i].empty()) optmap[i] += ' ';

          // Reconstruct what the command line option was.
          if (long_index < 0) {
              optmap[i] += '-';
              optmap[i] += char(opt);
              if (optarg) {
                  if (optarg == argv[optind - 1]) {
                      optmap[i] += ' ';
                  }
                  optmap[i] += optarg;
              }
          } else {
              optmap[i] += "--";
              optmap[i] += long_opts[long_index].name;
              if (optarg) {
                  if (optarg == argv[optind - 1]) {
                      optmap[i] += ' ';
                  } else {
                      optmap[i] += '=';
                  }
                  optmap[i] += optarg;
              }
          }
      }
   }

   // A single --survey is handled by img at load-time.  Multiple --survey are
   // handled via a SurveyFilter at export time.
   if (filter) survey = NULL;

   const char* fnm_in = argv[optind++];
   const char* fnm_out = argv[optind];
   if (fnm_out) {
      if (format == FMT_MAX_PLUS_ONE_) {
         // Select format based on extension.
         size_t len = strlen(fnm_out);
         // Length of longest extension of interest.
         constexpr size_t MAX_EXT_LEN = 4;
         char ext[MAX_EXT_LEN + 2];
         for (size_t i = 0; i < MAX_EXT_LEN + 2; ++i) {
             ext[i] = tolower((unsigned char)fnm_out[len - (MAX_EXT_LEN + 1) + i]);
         }
         for (size_t i = 0; i < FMT_MAX_PLUS_ONE_; ++i) {
            const auto& info = export_format_info[i];
            size_t l = strlen(info.extension);
            if (len > l + 1 &&
                strcmp(ext + MAX_EXT_LEN + 1 - l, info.extension) == 0) {
               // Shapefile (lines) will be selected for .shp, which is
               // probably what's wanted.
               format = export_format(i);
               break;
            }
         }
         if (format == FMT_MAX_PLUS_ONE_) {
            fatalerror(/*Export format not specified and not known from output file extension*/252);
         }
      }
   } else {
      if (format == FMT_MAX_PLUS_ONE_) {
         fatalerror(/*Export format not specified*/253);
      }
      char *baseleaf = baseleaf_from_fnm(fnm_in);
      /* note : memory allocated by fnm_out gets leaked in this case... */
      fnm_out = add_ext(baseleaf, export_format_info[format].extension);
      free(baseleaf);
   }

   const auto& format_info_mask = export_format_info[format].mask;
   unsigned not_allowed = show_mask &~ format_info_mask;
   if (not_allowed) {
       printf("warning: The following options are not supported for this export format and will be ignored:\n");
       int i = 0;
       unsigned bit = 1;
       while (not_allowed) {
           if (not_allowed & bit) {
               // E.g. --walls maps to two bits in show_mask, but the options
               // are only put on the least significant in such cases.
               if (!optmap[i].empty())
                   printf("%s\n", optmap[i].c_str());
               not_allowed &= ~bit;
           }
           ++i;
           bit <<= 1;
       }
       show_mask &= format_info_mask;
   }

   if (always_include_defaults || show_mask == 0) {
       show_mask |= export_format_info[format].defaults;
   }

   if (!(format_info_mask & ORIENTABLE)) {
       pan = 0.0;
       tilt = -90.0;
   }

   Model model;
   int err = model.Load(fnm_in, survey);
   if (err) fatalerror(err, fnm_in);
   if (filter) filter->SetSeparator(model.GetSeparator());

   try {
       if (!Export(fnm_out, model.GetSurveyTitle(),
                   model, filter,
                   pan, tilt, show_mask, format,
                   grid, text_height, marker_size,
                   scale)) {
          fatalerror(/*Couldn’t write file “%s”*/402, fnm_out);
       }
   } catch (const wxString & m) {
       wxString r = msg_appname();
       r += ": ";
       r += wmsg(/*error*/93);
       r += ": ";
       r += m;
       wcerr << r.c_str() << '\n';
   }

   return 0;
}