Ejemplo n.º 1
0
int KMeansClusterizer::getMinimumClusterID(ClusterizerData* train_data_ti)
{
    vd dist_v(getCenterNum());
    for (size_t ci = 0; ci < dist_v.sz; ci++) {
        auto center_ci = m_center.at(ci);
        dist_v.at(ci) = train_data_ti->calcDistance(center_ci);
    }
    return (int)(min_element(all(dist_v)) - begin(dist_v));
}
Ejemplo n.º 2
0
/* see mesh_run.h */
void mesh_run(const struct args *args, struct model_error *model1,
              struct model_error *model2, struct outbuf *out,
              struct prog_reporter *progress)
{
  clock_t start_time;
  struct dist_surf_surf_stats stats;
  struct dist_surf_surf_stats stats_rev;
  double bbox1_diag,bbox2_diag;
  struct model_info *m1info,*m2info;
  double abs_sampling_step,abs_sampling_dens;
  int nv_empty,nf_empty;

  /* Read models from input files */
  memset(model1,0,sizeof(*model1));
  memset(model2,0,sizeof(*model2));
  m1info = (struct model_info*) xa_malloc(sizeof(*m1info));
  m2info = (struct model_info*) xa_malloc(sizeof(*m2info));
  outbuf_printf(out,"Reading %s ... ",args->m1_fname);
  outbuf_flush(out);
  start_time = clock();
  model1->mesh = read_model_file(args->m1_fname);
  outbuf_printf(out,"Done (%.2f secs)\n",
                (double)(clock()-start_time)/CLOCKS_PER_SEC);
  outbuf_printf(out,"Reading %s ... ",args->m2_fname);
  outbuf_flush(out);
  start_time = clock();
  model2->mesh = read_model_file(args->m2_fname);
  outbuf_printf(out,"Done (%.2f secs)\n",
                (double)(clock()-start_time)/CLOCKS_PER_SEC);
  outbuf_flush(out);

  /* Analyze models (we don't need normals for model 1, so we don't request
   * for it to be oriented). */
  start_time = clock();
  bbox1_diag = dist_v(&model1->mesh->bBox[0], &model1->mesh->bBox[1]);
  bbox2_diag = dist_v(&model2->mesh->bBox[0], &model2->mesh->bBox[1]);
  analyze_model(model1->mesh,m1info,0,args->verb_analysis,out,"model 1");
  model1->info = m1info;
  analyze_model(model2->mesh,m2info,1,args->verb_analysis,out,"model 2");
  model2->info = m2info;
  /* Adjust sampling step size */
  abs_sampling_step = args->sampling_step*bbox2_diag;
  abs_sampling_dens = 1/(abs_sampling_step*abs_sampling_step);

  /* Print available model information */
  outbuf_printf(out,"\n                      Model information\n"
                "     (degenerate faces ignored for manifold/closed info)\n\n");
  outbuf_printf(out,"Number of vertices:      \t%11d\t%11d\n",
                model1->mesh->num_vert,model2->mesh->num_vert);
  outbuf_printf(out,"Number of triangles:     \t%11d\t%11d\n",
                model1->mesh->num_faces,model2->mesh->num_faces);
  outbuf_printf(out,"Degenerate triangles:    \t%11d\t%11d\n",
                m1info->n_degenerate,m2info->n_degenerate);
  outbuf_printf(out,"BoundingBox diagonal:    \t%11g\t%11g\n",
                bbox1_diag,bbox2_diag);
  outbuf_printf(out,"Number of disjoint parts:\t%11d\t%11d\n",
                m1info->n_disjoint_parts,m2info->n_disjoint_parts);
  outbuf_printf(out,"Manifold:                \t%11s\t%11s\n",
                (m1info->manifold ? "yes" : "no"), 
                (m2info->manifold ? "yes" : "no"));
  outbuf_printf(out,"Originally oriented:     \t%11s\t%11s\n",
                (m1info->orig_oriented ? "yes" : "no"),
                (m2info->orig_oriented ? "yes" : "no"));
  outbuf_printf(out,"Orientable:              \t%11s\t%11s\n",
                (m1info->orientable ? "yes" : "no"),
                (m2info->orientable ? "yes" : "no"));
  outbuf_printf(out,"Closed:                  \t%11s\t%11s\n",
                (m1info->closed ? "yes" : "no"),
                (m2info->closed ? "yes" : "no"));
  outbuf_flush(out);

  /* Compute the distance from one model to the other */
  dist_surf_surf(model1,model2->mesh,abs_sampling_dens,args->min_sample_freq,
                 &stats,!args->no_gui,(args->quiet ? NULL : progress));

  /* Print results */
  outbuf_printf(out,"Surface area:            \t%11g\t%11g\n",
                stats.m1_area,stats.m2_area);
  outbuf_printf(out,"\n       Distance from model 1 to model 2\n\n");
  outbuf_printf(out,"        \t   Absolute\t%% BBox diag\n");
  outbuf_printf(out,"        \t           \t  (Model 2)\n");
  outbuf_printf(out,"Min:    \t%11g\t%11g\n",
                stats.min_dist,stats.min_dist/bbox2_diag*100);
  outbuf_printf(out,"Max:    \t%11g\t%11g\n",
                stats.max_dist,stats.max_dist/bbox2_diag*100);
  outbuf_printf(out,"Mean:   \t%11g\t%11g\n",
                stats.mean_dist,stats.mean_dist/bbox2_diag*100);
  outbuf_printf(out,"RMS:    \t%11g\t%11g\n",
                stats.rms_dist,stats.rms_dist/bbox2_diag*100);
  outbuf_printf(out,"\n");
  outbuf_flush(out);
  
 

  if (args->do_symmetric) { /* Invert models and recompute distance */
    outbuf_printf(out,"       Distance from model 2 to model 1\n\n");
    dist_surf_surf(model2,model1->mesh,abs_sampling_dens,args->min_sample_freq,
                   &stats_rev,0,(args->quiet ? NULL : progress));
    free_face_error(model2->fe);
    model2->fe = NULL;
    outbuf_printf(out,"        \t   Absolute\t%% BBox diag\n");
    outbuf_printf(out,"        \t           \t  (Model 2)\n");
    outbuf_printf(out,"Min:    \t%11g\t%11g\n",
                  stats_rev.min_dist,stats_rev.min_dist/bbox2_diag*100);
    outbuf_printf(out,"Max:    \t%11g\t%11g\n",
                  stats_rev.max_dist,stats_rev.max_dist/bbox2_diag*100);
    outbuf_printf(out,"Mean:   \t%11g\t%11g\n",
                  stats_rev.mean_dist,stats_rev.mean_dist/bbox2_diag*100);
    outbuf_printf(out,"RMS:    \t%11g\t%11g\n",
                  stats_rev.rms_dist,stats_rev.rms_dist/bbox2_diag*100);
    outbuf_printf(out,"\n");

    /* Print symmetric distance measures */
    outbuf_printf(out,
                  "       Symmetric distance between model 1 and model 2\n\n");
    outbuf_printf(out,"        \t   Absolute\t%% BBox diag\n");
    outbuf_printf(out,"        \t           \t  (Model 2)\n");
    outbuf_printf(out,"Min:    \t%11g\t%11g\n",
                  max(stats.min_dist,stats_rev.min_dist),
                  max(stats.min_dist,stats_rev.min_dist)/bbox2_diag*100);
    outbuf_printf(out,"Max:    \t%11g\t%11g\n",
                  max(stats.max_dist,stats_rev.max_dist),
                  max(stats.max_dist,stats_rev.max_dist)/bbox2_diag*100);
    outbuf_printf(out,"Mean:   \t%11g\t%11g\n",
                  max(stats.mean_dist,stats_rev.mean_dist),
                  max(stats.mean_dist,stats_rev.mean_dist)/bbox2_diag*100);
    outbuf_printf(out,"RMS:    \t%11g\t%11g\n",
                  max(stats.rms_dist,stats_rev.rms_dist),
                  max(stats.rms_dist,stats_rev.rms_dist)/bbox2_diag*100);
    outbuf_printf(out,"\n");
  }


  outbuf_printf(out,"                 \tAbsolute\t   %% BBox diag\t     "
                "Expected samples\n"
                "                 \t        \t   model 2     \t   "
                "model 1\tmodel 2\n");
  if (!args->do_symmetric) {
    outbuf_printf(out,"Sampling step:   \t%8g\t   %7g     \t   %7d\t%7d\n",
                  abs_sampling_step,abs_sampling_step/bbox2_diag*100,
                  (int)(stats.m1_area*abs_sampling_dens),0);
    outbuf_printf(out,"\n");
    outbuf_printf(out,"        \t    Total\t    Avg. / triangle\t\t"
                  "Tot (%%) area of\n"
                  "        \t          \tmodel 1\tmodel 2 \t\t"
                  "sampled triang.\n");
    outbuf_printf(out,"Samples:\t%9d\t%7.2g\t%7.2g\t\t%15.2f\n",stats.m1_samples,
                  ((double)stats.m1_samples)/model1->mesh->num_faces,
                  ((double)stats.m1_samples)/model2->mesh->num_faces,
                  stats.st_m1_area/stats.m1_area*100.0);
  } else {
    outbuf_printf(out,"Sampling step:   \t%8g\t   %7g     \t   %7d\t%7d\n",
                  abs_sampling_step,abs_sampling_step/bbox2_diag*100,
                  (int)(stats.m1_area*abs_sampling_dens),
                  (int)(stats.m2_area*abs_sampling_dens));
    outbuf_printf(out,"\n");
    outbuf_printf(out,"        \t    Total\t    Avg. / triangle\t\t"
                  "Tot (%%) area of\n"
                  "        \t         \tmodel 1 \tmodel 2 \t"
                  "sampled triang.\n");
    outbuf_printf(out,"Samples (1->2):\t%9d\t%7.2g\t%15.2g\t%18.2f\n",
                  stats.m1_samples,
                  ((double)stats.m1_samples)/model1->mesh->num_faces,
                  ((double)stats.m1_samples)/model2->mesh->num_faces,
                  stats.st_m1_area/stats.m1_area*100.0);
    outbuf_printf(out,"Samples (2->1):\t%9d\t%7.2g\t%15.2g\t%18.2f\n",
                  stats_rev.m1_samples,
                  ((double)stats_rev.m1_samples)/model1->mesh->num_faces,
                  ((double)stats_rev.m1_samples)/model2->mesh->num_faces,
                  stats_rev.st_m1_area/stats_rev.m1_area*100.0);
  }
  outbuf_printf(out,"\n");
  if (!args->do_symmetric) {
    outbuf_printf(out,
                  "                       \t     X\t    Y\t   Z\t   Total\n");
    outbuf_printf(out,"Partitioning grid size:\t%6d\t%5d\t%4d\t%8d\n",
                  stats.grid_sz.x,stats.grid_sz.y,stats.grid_sz.z,
                  stats.grid_sz.x*stats.grid_sz.y*stats.grid_sz.z);
    outbuf_printf(out,"\nAvg. number of triangles per non-empty cell:\t%.2f\n",
                  stats.n_t_p_nec);
    outbuf_printf(out,"Proportion of non-empty cells:          \t%.2f%%\n",
                  (double)stats.n_ne_cells/(stats.grid_sz.x*stats.grid_sz.y*
                                            stats.grid_sz.z)*100.0);
  } else {
    outbuf_printf(out,"                                \t     "
                  "X\t    Y\t   Z\t   Total\n");
    outbuf_printf(out,"Partitioning grid size (1 to 2):\t%6d\t%5d\t%4d\t%8d\n",
                  stats.grid_sz.x,stats.grid_sz.y,stats.grid_sz.z,
                  stats.grid_sz.x*stats.grid_sz.y*stats.grid_sz.z);
    outbuf_printf(out,"Partitioning grid size (2 to 1):\t%6d\t%5d\t%4d\t%8d\n",
                  stats_rev.grid_sz.x,stats_rev.grid_sz.y,stats_rev.grid_sz.z,
                  stats_rev.grid_sz.x*stats_rev.grid_sz.y*stats_rev.grid_sz.z);
    outbuf_printf(out,"\nAvg. number of triangles per non-empty cell (1 to 2):"
                  "\t%.2f\n",stats.n_t_p_nec);
    outbuf_printf(out,"Avg. number of triangles per non-empty cell (2 to 1):"
                  "\t%.2f\n",stats_rev.n_t_p_nec);
    outbuf_printf(out,
                  "Proportion of non-empty cells (1 to 2):          \t%.2f%%\n",
                  (double)stats.n_ne_cells/(stats.grid_sz.x*stats.grid_sz.y*
                                            stats.grid_sz.z)*100.0);
    outbuf_printf(out,
                  "Proportion of non-empty cells (2 to 1):          \t%.2f%%\n",
                  (double)stats_rev.n_ne_cells/
                  (stats_rev.grid_sz.x*stats_rev.grid_sz.y*
                   stats_rev.grid_sz.z)*100.0);
  }
  outbuf_printf(out,"\n");
  outbuf_printf(out,"Analysis and measuring time (secs.):\t%.2f\n",
                (double)(clock()-start_time)/CLOCKS_PER_SEC);
  outbuf_flush(out);

  if(!args->no_gui){
    /* Get the per vertex error metric */
    nv_empty = nf_empty = 0; /* keep compiler happy */
    calc_vertex_error(model1,&nv_empty,&nf_empty);
    if (nv_empty>0) {
      outbuf_printf(out,
                    "WARNING: %.2f%% of vertices (%i out of %i) have no error "
                    "samples\n",100.0*nv_empty/model1->mesh->num_vert,
                    nv_empty,model1->mesh->num_vert);
    }
    if (nf_empty>0) {
      outbuf_printf(out,
                    "WARNING: %.2f%% of faces (%i out of %i) have no error "
                    "samples\n",100.0*nf_empty/model1->mesh->num_faces,
                    nf_empty,model1->mesh->num_faces);
    }
    outbuf_flush(out);
  }
}