manolas
/
vcglib
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Added Parula-like color map 

removed bug on un-clamped set gray
This commit is contained in:
Paolo Cignoni 2016-03-31 13:48:45 +00:00
parent 73b0576edf
commit f4686b3e0f
2 changed files with 59 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
vcg/complex/algorithms/update/color.h
View File

@ -184,6 +184,27 @@ public:
(*vi).C().SetColorRamp(minq,maxq,(*vi).Q());
}
/*! \brief This function colores all the faces of a mesh with a hue color shade dependent on the quality.
If no range of quality is passed it is automatically computed.
*/
static void PerVertexQualityRampParula(MeshType &m, float minq=0, float maxq=0)
{
RequirePerVertexQuality(m);
RequirePerVertexColor(m);
if(minq==maxq)
{
std::pair<float,float> minmax = Stat<MeshType>::ComputePerVertexQualityMinMax(m);
minq=minmax.first;
maxq=minmax.second;
}
for(VertexIterator vi=m.vert.begin();vi!=m.vert.end();++vi)
if(!(*vi).IsD())
(*vi).C().SetColorRampParula(minq,maxq,(*vi).Q());
}
/*! \brief This function colores all the faces of a mesh with a hue color shade dependent on the quality.
If no range of quality is passed it is automatically computed.

39
vcg/space/color4.h
View File

@ -71,6 +71,7 @@ public:
inline Color4 ( const Point4<T> &c) :Point4<T>(c) {}
inline Color4 (){}
inline Color4 (ColorConstant cc);
inline Color4 (unsigned int cc);
template <class Q>
inline void Import(const Color4<Q> & b )
@ -147,6 +148,27 @@ public:
*this= Color4<T>(Color4<T>::Blue);
}
inline void SetColorRampParula(const float &minf,const float &maxf ,float v)
{
if(minf>maxf) { SetColorRampParula(maxf,minf,maxf+(minf-v)); return; }
SetColorRampParula((v-minf)/(maxf-minf));
}
inline void SetColorRampParula(float v)
{
if(v<0) v=0;
else if(v>1) v=1;
unsigned int ParuVal[9]={0xff801627, 0xffe16303, 0xffd48514,
0xffc6a706, 0xff9eb938, 0xff73bf92,
0xff56bad9, 0xff2ecefc, 0xff0afaff};
int ind = int(floor(v*8.0f));
float div = (v*8.0f - ind);
if(div<0) div=0;
else if(div>1) div=1;
lerp(Color4<T>(ParuVal[ind]), Color4<T>(ParuVal[ind+1]), div);
}
void SetHSVColor( float h, float s, float v)
{
float r,g,b;
@ -185,7 +207,10 @@ public:
inline static Color4 GrayShade(float f)
{
return Color4(f,f,f,1);
if(f<0) f=0.0f;
else if(f>1) f=1.0f;
return Color4(f,f,f,1);
}
inline void SetGrayShade(float f)
@ -301,6 +326,18 @@ inline Color4<float>::Color4(Color4<float>::ColorConstant cc)
Import(Color4<unsigned char>((Color4<unsigned char>::ColorConstant)cc));
}
template<>
inline Color4<unsigned char>::Color4(unsigned int cc)
{
*((int *)this )= cc;
}
template<>
inline Color4<float>::Color4(unsigned int cc)
{
Import(Color4<unsigned char>(cc));
}
inline Color4<float> Clamp(Color4<float> &c)
{
c[0]=math::Clamp(c[0],0.0f,1.0f);