DGtal::Viewer3D< TSpace, TKSpace >::CompFarthestPolygonFromCamera Struct Reference

#include <DGtal/io/viewers/Viewer3D.h>

Public Member Functions
bool	operator() (typename Viewer3D< Space, KSpace >::PolygonD3D q1, typename Viewer3D< Space, KSpace >::PolygonD3D q2)

Data Fields
qglviewer::Vec	posCam

Detailed Description

template<typename TSpace = SpaceND<3>, typename TKSpace = KhalimskySpaceND<3>>
struct DGtal::Viewer3D< TSpace, TKSpace >::CompFarthestPolygonFromCamera

Used to sort pixel from camera

Definition at line 1129 of file Viewer3D.h.

Member Function Documentation

operator()()

template<typename TSpace = SpaceND<3>, typename TKSpace = KhalimskySpaceND<3>>

bool DGtal::Viewer3D< TSpace, TKSpace >::CompFarthestPolygonFromCamera::operator() ( typename Viewer3D< Space, KSpace >::PolygonD3D q1, typename Viewer3D< Space, KSpace >::PolygonD3D q2 )

inline

Definition at line 1132 of file Viewer3D.h.

      {
        double c1x=0.0, c1y=0.0, c1z=0.0;
        double c2x=0.0, c2y=0.0, c2z=0.0;
        for(unsigned int i=0; i< q1.vertices.size(); i++){
          c1x+=q1.vertices.at(i)[0];
          c1y+=q1.vertices.at(i)[1];
          c1z+=q1.vertices.at(i)[2];
        }
        for(unsigned int i=0; i< q2.vertices.size(); i++){
          c2x+=q2.vertices.at(i)[0];
          c2y+=q2.vertices.at(i)[1];
          c2z+=q2.vertices.at(i)[2];
        }
 
        qglviewer::Vec center1 ( c1x/(double)q1.vertices.size(),c1y/(double)q1.vertices.size(), c1z/(double)q1.vertices.size() );
        qglviewer::Vec center2 ( c2x/(double)q2.vertices.size(),c2y/(double)q2.vertices.size(), c2z/(double)q2.vertices.size() );
 
        double dist1= sqrt ( ( posCam.x-center1.x ) * ( posCam.x-center1.x ) + ( posCam.y-center1.y ) * ( posCam.y-center1.y ) + ( posCam.z-center1.z ) * ( posCam.z-center1.z ) );
        double dist2= sqrt ( ( posCam.x-center2.x ) * ( posCam.x-center2.x ) + ( posCam.y-center2.y ) * ( posCam.y-center2.y ) + ( posCam.z-center2.z ) * ( posCam.z-center2.z ) );
        return dist1>dist2;
      }

References DGtal::Viewer3D< TSpace, TKSpace >::CompFarthestPolygonFromCamera::posCam, and DGtal::Display3D< Space, KSpace >::PolygonD3D::vertices.

Field Documentation

posCam

template<typename TSpace = SpaceND<3>, typename TKSpace = KhalimskySpaceND<3>>

qglviewer::Vec DGtal::Viewer3D< TSpace, TKSpace >::CompFarthestPolygonFromCamera::posCam

Definition at line 1131 of file Viewer3D.h.

Referenced by DGtal::Viewer3D< TSpace, TKSpace >::CompFarthestPolygonFromCamera::operator()().

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The documentation for this struct was generated from the following file:

• Viewer3D.h