99 lines
2.6 KiB
C
99 lines
2.6 KiB
C
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#ifndef __VCG_SIMPLE_VOLUME
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#define __VCG_SIMPLE_VOLUME
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#include<vector>
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namespace vcg
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{
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template <class VOX_TYPE>
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class SimpleVolume
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{
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public:
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typedef VOX_TYPE VoxelType;
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std::vector<VoxelType> Vol;
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Point3i sz; /// Dimensioni griglia come numero di celle per lato
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const Point3i &ISize() {return sz;}; /// Dimensioni griglia come numero di celle per lato
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void Init(Point3i _sz)
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{
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sz=_sz;
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Vol.resize(sz[0]*sz[1]*sz[2]);
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}
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float Val(const int &x,const int &y,const int &z) const {
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return cV(x,y,z).V();
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//else return numeric_limits<float>::quiet_NaN( );
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}
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float &Val(const int &x,const int &y,const int &z) {
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return V(x,y,z).V();
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//else return numeric_limits<float>::quiet_NaN( );
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}
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VOX_TYPE &V(const int &x,const int &y,const int &z) {
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return Vol[x+y*sz[0]+z*sz[0]*sz[1]];
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}
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const VOX_TYPE &cV(const int &x,const int &y,const int &z) const {
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return Vol[x+y*sz[0]+z*sz[0]*sz[1]];
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}
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typedef enum { XAxis=0,YAxis=1,ZAxis=2} VolumeAxis;
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template < class VertexPointerType, VolumeAxis AxisVal >
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void GetIntercept(const vcg::Point3i &p1, const vcg::Point3i &p2, VertexPointerType &v, const float thr)
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{
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float f1 = Val(p1.X(), p1.Y(), p1.Z())-thr;
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float f2 = Val(p2.X(), p2.Y(), p2.Z())-thr;
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float u = (float) f1/(f1-f2);
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if(AxisVal==XAxis) v->P().X() = (float) p1.X()*(1-u) + u*p2.X();
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else v->P().X() = (float) p1.X();
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if(AxisVal==YAxis) v->P().Y() = (float) p1.Y()*(1-u) + u*p2.Y();
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else v->P().Y() = (float) p1.Y();
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if(AxisVal==ZAxis) v->P().Z() = (float) p1.Z()*(1-u) + u*p2.Z();
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else v->P().Z() = (float) p1.Z();
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}
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template < class VertexPointerType >
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void GetXIntercept(const vcg::Point3i &p1, const vcg::Point3i &p2, VertexPointerType &v, const float thr)
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{ GetIntercept<VertexPointerType,XAxis>(p1,p2,v,thr); }
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template < class VertexPointerType >
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void GetYIntercept(const vcg::Point3i &p1, const vcg::Point3i &p2, VertexPointerType &v, const float thr)
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{ GetIntercept<VertexPointerType,YAxis>(p1,p2,v,thr); }
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template < class VertexPointerType >
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void GetZIntercept(const vcg::Point3i &p1, const vcg::Point3i &p2, VertexPointerType &v, const float thr)
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{ GetIntercept<VertexPointerType,ZAxis>(p1,p2,v,thr); }
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};
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template <class VolumeType>
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class RawVolumeImporter
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{
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public:
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enum DataType
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{
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// Funzioni superiori
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UNDEF=0,
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BYTE=1,
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SHORT=2,
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FLOAT=3
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};
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static bool Open(const char *filename, VolumeType &V, Point3i sz, DataType d)
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{
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return true;
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}
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};
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class SimpleVoxel
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{
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private:
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float _v;
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public:
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float &V() {return _v;};
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float V() const {return _v;};
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};
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} // end namespace
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#endif // __VCG_SIMPLE_VOLUME
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