本文整理汇总了C++中Face_handle::centricity方法的典型用法代码示例。如果您正苦于以下问题：C++ Face_handle::centricity方法的具体用法？C++ Face_handle::centricity怎么用？C++ Face_handle::centricity使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Face_handle的用法示例。
在下文中一共展示了Face_handle::centricity方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: computeCentricity
void Mesh::computeCentricity(QWidget* guiParent)
{
// float maxCentricity = -FLT_MAX;
// float minCentricity = FLT_MAX;
QProgressDialog *prog = NULL;
if (guiParent)
prog = new QProgressDialog("Building centricity", "Stop", 0, numVtx(), guiParent);
int counter = 0;
int total = size_of_vertices();
for (Mesh::Vertex_iterator it = vertices_begin(); it != vertices_end(); ++it)
{
if (guiParent)
{
prog->setValue(counter);
QCoreApplication::processEvents();
if (prog->wasCanceled())
return;
}
counter++;
double distanceSum = 0.0;
int count = 0;
dijkstra(&*it);
for (Mesh::Vertex_iterator n = vertices_begin(); n != vertices_end(); ++n)
{
if (n->distance() != FLT_MAX)
{
count++;
distanceSum += n->distance();
}
}
it->centricity(distanceSum/(double)count);
// if (it->centricity() > maxCentricity) maxCentricity = it->centricity();
// if (it->centricity() < minCentricity) minCentricity = it->centricity();
// printf("%d = %f\n", counter, it->centricity());
}
delete prog;
//if (m_normalize )
//{
//report("normalizing values");
/*for (Mesh::Vertex_iterator it = m_mesh->vertices_begin();
it != m_mesh->vertices_end();
it++)
{
if (it->centricity() != FLT_MAX)
it->centricity() = (it->centricity() - minCentricity) / (maxCentricity - minCentricity);
}*/
//normalizeByComponents();
//}
// facet centricity is the average of the vertices.
float featureMin = FLT_MAX;
float featureMax = -FLT_MAX;
for (Mesh::Face_iterator fit = faces_begin(); fit != faces_end(); ++fit)
{
Face_handle fh = &*fit;
float val = 0.0;
for(int fii = 0; fii < fh->size(); ++fii)
{
Vertex_handle cv = fh->vertex(fii);
val += cv->centricity();
}
val /= fh->size();
fh->centricity() = val;
if (val < featureMin)
featureMin = val;
if (val > featureMax)
featureMax = val;
}
float divwith = 1.0 / (featureMax - featureMin);
for (Mesh::Face_iterator fit = faces_begin(); fit != faces_end(); ++fit)
{
Face_handle fh = &*fit;
fh->centricity() = (fh->centricity() - featureMin) * divwith;
}
m_hasCentricity = true;
}