d2/align.cc

   1 // Copyright 2002 David Hilvert <dhilvert@auricle.dyndns.org>,
   2 //                              <dhilvert@ugcs.caltech.edu>
   3
   4 /*  This file is part of the Anti-Lamenessing Engine.
   5
   6     The Anti-Lamenessing Engine is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     The Anti-Lamenessing Engine is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with the Anti-Lamenessing Engine; if not, write to the Free Software
  18     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19 */
  20
  21 #include "align.h"
  22
  23 /*
  24  * See align.h for details on these variables.
  25  */
  26
  27 int align::_exp_register = 1;
  28
  29 ale_pos align::scale_factor;
  30
  31 transformation align::orig_t;
  32 int align::_keep = 0;
  33 transformation *align::kept_t = NULL;
  34 int *align::kept_ok = NULL;
  35
  36 tload_t *align::tload = NULL;
  37 tsave_t *align::tsave = NULL;
  38 render *align::reference = NULL;
  39 filter::scaled_filter *align::interpolant = NULL;
  40 const image *align::reference_image = NULL;
  41 const image *align::reference_defined = NULL;
  42 const image *align::weight_map = NULL;
  43 image *align::alignment_weights = NULL;
  44 const image *align::alignment_weights_const = NULL;
  45 const char *align::wmx_file = NULL;
  46 const char *align::wmx_exec = NULL;
  47 const char *align::wmx_defs = NULL;
  48 const char *align::fw_output = NULL;
  49 double align::horiz_freq_cut = 0;
  50 double align::vert_freq_cut = 0;
  51 double align::avg_freq_cut = 0;
  52 transformation align::latest_t;
  53 int align::latest_ok;
  54 int align::latest = -1;
  55
  56 int align::alignment_class = 1;
  57 int align::default_initial_alignment_type = 0;
  58 int align::perturb_type = 0;
  59 transformation align::default_initial_alignment;
  60 int align::is_default = 1;
  61 int align::old_is_default;
  62 int align::is_fail_default = 0;
  63 transformation align::old_initial_alignment;
  64 transformation align::old_final_alignment;
  65 int align::old_lod;
  66 int align::channel_alignment_type = 2;
  67 float align::metric_exponent = 2;
  68 float align::match_threshold = 0;
  69
  70 /*
  71  * Upper/lower bounds
  72  */
  73
  74 ale_pos align::perturb_lower = 0.125;
  75 int align::perturb_lower_percent = 0;
  76 ale_pos align::perturb_upper = 14;
  77 int align::perturb_upper_percent = 1;
  78
  79 /*
  80  * XXX: These empirical observations may have been based on buggy code.
  81  *
  82  * Empirically, it's okay to use a level-of-detail equal to twice the
  83  * resolution of the perturbation, so we set the default lod_max to 1, as
  84  * 2^1==2.  lod_max of zero seems okay also, but lower values seem to cause
  85  * problems.
  86  */
  87
  88 int align::lod_max = 1;
  89
  90 ale_pos align::rot_max = 32.0;
  91 ale_pos align::bda_mult = 0.0001;
  92 ale_pos align::bda_rate = 0.0004;
  93 ale_accum align::match_sum = 0;
  94 int align::match_count = 0;
  95
  96 ale_pos align::_mc = 0;
  97 int align::certainty_weights = 0;
  98 int align::_gs = 0;
  99 unsigned int align::_gs_mo = 16;
 100 int *align::ax_parameters = NULL;
 101 int align::ax_count = 0;
 102
 103 const point **align::cp_array = NULL;
 104 unsigned int align::cp_count = 0;