d3/scene.cc

   1 // Copyright 2003, 2004, 2005 David Hilvert <dhilvert@gmail.com>,
   2 //                                          <dhilvert@auricle.dyndns.org>,
   3 //                                          <dhilvert@ugcs.caltech.edu>
   4
   5 /*  This file is part of the Anti-Lamenessing Engine.
   6
   7     The Anti-Lamenessing Engine is free software; you can redistribute it and/or modify
   8     it under the terms of the GNU General Public License as published by
   9     the Free Software Foundation; either version 2 of the License, or
  10     (at your option) any later version.
  11
  12     The Anti-Lamenessing Engine is distributed in the hope that it will be useful,
  13     but WITHOUT ANY WARRANTY; without even the implied warranty of
  14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15     GNU General Public License for more details.
  16
  17     You should have received a copy of the GNU General Public License
  18     along with the Anti-Lamenessing Engine; if not, write to the Free Software
  19     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22 #include "scene.h"
  23
  24 /*
  25  * See scene.h for details on these variables.
  26  */
  27
  28 scene::lod_images *scene::al;
  29 ale_pos scene::front_clip = 0;
  30 int scene::input_decimation_lower = 0;
  31 int scene::output_decimation_preferred = 0;
  32 int scene::primary_decimation_upper = 0;
  33 int scene::output_clip = 0;
  34 ale_pos scene::rear_clip = 0;
  35 const char *scene::load_model_name = NULL;
  36 const char *scene::save_model_name = NULL;
  37 const ale_real scene::nearness = 0.01;
  38
  39 scene::spatial_info_map_t scene::spatial_info_map;
  40
  41 // scene::spatial_info *scene::tracked_space = NULL;
  42
  43 unsigned long scene::total_ambiguity = 0;
  44 unsigned long scene::total_pixels = 0;
  45 unsigned long scene::total_divisions = 0;
  46 unsigned long scene::total_tsteps = 0;
  47
  48 double scene::occ_att = 0.50;
  49
  50 int scene::normalize_weights = 1;
  51 int scene::use_filter = 1;
  52 const char *scene::d3chain_type = "";
  53
  54 double scene::falloff_exponent = 1;
  55 double scene::tc_multiplier = 0;
  56 unsigned int scene::ou_iterations = 10;
  57 unsigned int scene::pairwise_ambiguity = 3;
  58 const char *scene::pairwise_comparisons = "auto";
  59 int scene::d3px_count;
  60 double *scene::d3px_parameters;
  61 double scene::encounter_threshold = 0;
  62 double scene::depth_median_radius = 0;
  63 double scene::diff_median_radius = 0;
  64 int scene::subspace_traverse = 0;
  65
  66 /*
  67  * Precision discriminator
  68  *
  69  * For some reason, colors that should be identical are calculated differently
  70  * along different computational pathways, either due to a compiler idiosyncrasy,
  71  * or due to an as-of-yet undiscovered bug in the code.  We use the following
  72  * constant in an effort to winnow out these discrepancies, which can sometimes
  73  * cause cycles in the adjustment preference function.
  74  */
  75
  76 #define DISCRIMINATOR 1e-5
  77
  78 /*
  79  * Functions.
  80  */
  81