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added parameters in GetPolyTemplatePos to force isotropy

This commit is contained in:
Nico Pietroni 2015-07-03 09:54:40 +00:00
parent a974f13258
commit d8a7e0069f
1 changed files with 15 additions and 1 deletions
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16
vcg/space/polygon3.h
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@ -412,7 +412,9 @@ void getBaseTemplatePolygon(int N,
//described by "Static Aware Grid Shells" by Pietroni et Al. //described by "Static Aware Grid Shells" by Pietroni et Al.
template<class PolygonType> template<class PolygonType>
void GetPolyTemplatePos(const PolygonType &F, void GetPolyTemplatePos(const PolygonType &F,
std::vector<typename PolygonType::CoordType> &TemplatePos) std::vector<typename PolygonType::CoordType> &TemplatePos,
typename PolygonType::ScalarType TargetArea=-1,
bool force_isotropy=false)
{ {
typedef typename PolygonType::FaceType FaceType; typedef typename PolygonType::FaceType FaceType;
typedef typename PolygonType::CoordType CoordType; typedef typename PolygonType::CoordType CoordType;
@ -433,6 +435,13 @@ void GetPolyTemplatePos(const PolygonType &F,
CoordType dirY=PCA[1]; CoordType dirY=PCA[1];
CoordType dirZ=PCA[2]; CoordType dirZ=PCA[2];
if (force_isotropy)
{
dirX.Normalize();
dirY.Normalize();
dirZ.Normalize();
}
///set the Rotation matrix ///set the Rotation matrix
ToPCA.SetColumn(0,dirX); ToPCA.SetColumn(0,dirX);
ToPCA.SetColumn(1,dirY); ToPCA.SetColumn(1,dirY);
@ -455,6 +464,11 @@ void GetPolyTemplatePos(const PolygonType &F,
ScalarType AreaTemplate=Area(TemplatePos); ScalarType AreaTemplate=Area(TemplatePos);
ScalarType AreaUniform=Area(UniformPos); ScalarType AreaUniform=Area(UniformPos);
// if (TargetArea>0)
// {
// AreaUniform*=(AreaUniform/TargetArea);
// }
ScalarType Scale=sqrt(AreaTemplate/AreaUniform); ScalarType Scale=sqrt(AreaTemplate/AreaUniform);
for (size_t i=0;i<UniformPos.size();i++) for (size_t i=0;i<UniformPos.size();i++)