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ValenceHistogramDialog.cc
1 /*
2  * ValenceHistogramDialog.cc
3  *
4  * Created on: Jan 27, 2016
5  * Author: hc
6  */
7 
8 #include "ValenceHistogramDialog.hh"
9 
10 
11 ValenceHistogramDialog::ValenceHistogramDialog(TriMesh &mesh, QWidget *parent)
12  : QDialog(parent) {
13  setupUi(this);
14  init(mesh);
15 }
16 
17 ValenceHistogramDialog::ValenceHistogramDialog(PolyMesh &mesh, QWidget *parent)
18  : QDialog(parent) {
19  setupUi(this);
20  init(mesh);
21 }
22 
23 static void fillHistogramTable(std::vector<size_t> &hist, QTableWidget &tw) {
24  tw.clear();
25 
26  std::vector<size_t>::iterator nonzero_begin = hist.begin();
27  for (; nonzero_begin != hist.end() && *nonzero_begin == 0;
28  ++nonzero_begin);
29  if (nonzero_begin == hist.end()) return;
30 
31  std::vector<size_t>::iterator nonzero_end = hist.end();
32  for (; (nonzero_end-1) != nonzero_begin && *(nonzero_end-1) == 0;
33  --nonzero_end);
34 
35  const size_t hist_size = std::distance(nonzero_begin, nonzero_end);
36  const size_t ofs = std::distance(hist.begin(), nonzero_begin);
37 
38  tw.setRowCount(1);
39  tw.setColumnCount(hist_size);
40 
41  QStringList vheaders;
42  vheaders.push_back(QString::fromUtf8("Count"));
43  tw.setVerticalHeaderLabels(vheaders);
44  int i = 0;
45  QStringList hheaders;
46  for (std::vector<size_t>::iterator it = nonzero_begin;
47  it != nonzero_end; ++it, ++i) {
48  //tw.setItem(0, i, new QTableWidgetItem(QString::number(ofs + i)));
49  hheaders.push_back(QString::number(ofs + i));
50  tw.setItem(0, i, new QTableWidgetItem(QString::number(*it)));
51  }
52  tw.setHorizontalHeaderLabels(hheaders);
53 }
54 
55 template<class MeshT>
56 void ValenceHistogramDialog::init(MeshT &mesh) {
57  /*
58  * Vertices
59  */
60  vertex_valence_hist.clear();
61  for (typename MeshT::VertexIter v_it = mesh.vertices_begin(),
62  v_end = mesh.vertices_end(); v_it != v_end; ++v_it) {
63  size_t valence = mesh.valence(*v_it);
64  if (vertex_valence_hist.size() <= valence) {
65  vertex_valence_hist.resize(valence + 1, 0);
66  }
67  vertex_valence_hist[valence] += 1;
68  }
69  vertexValenceChart_wdgt->setHistogram(&vertex_valence_hist);
70  fillHistogramTable(vertex_valence_hist, *vertexValence_tw);
71 
72  /*
73  * Faces
74  */
75  face_valence_hist.clear();
76  for (typename MeshT::FaceIter f_it = mesh.faces_begin(),
77  f_end = mesh.faces_end(); f_it != f_end; ++f_it) {
78  size_t valence = mesh.valence(*f_it);
79  if (face_valence_hist.size() <= valence) {
80  face_valence_hist.resize(
81  valence + 1, 0);
82  }
83  face_valence_hist[valence] += 1;
84  }
85 
86  faceValenceChart_wdgt->setHistogram(&face_valence_hist);
87  fillHistogramTable(face_valence_hist, *faceValence_tw);
88 }