DGtal  0.9.3beta
Public Member Functions | Data Fields
DGtal::Viewer3D< Space, KSpace >::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 Space = SpaceND<3>, typename KSpace = KhalimskySpaceND<3>>
struct DGtal::Viewer3D< Space, KSpace >::CompFarthestPolygonFromCamera

Used to sort pixel from camera

Definition at line 936 of file Viewer3D.h.

Member Function Documentation

template<typename Space = SpaceND<3>, typename KSpace = KhalimskySpaceND<3>>
bool DGtal::Viewer3D< Space, KSpace >::CompFarthestPolygonFromCamera::operator() ( typename Viewer3D< Space, KSpace >::PolygonD3D  q1,
typename Viewer3D< Space, KSpace >::PolygonD3D  q2 
)
inline

Definition at line 939 of file Viewer3D.h.

References DGtal::Display3D< Space, KSpace >::PolygonD3D::vertices.

941  {
942  double c1x=0.0, c1y=0.0, c1z=0.0;
943  double c2x=0.0, c2y=0.0, c2z=0.0;
944  for(unsigned int i=0; i< q1.vertices.size(); i++){
945  c1x+=q1.vertices.at(i)[0];
946  c1y+=q1.vertices.at(i)[1];
947  c1z+=q1.vertices.at(i)[2];
948  }
949  for(unsigned int i=0; i< q2.vertices.size(); i++){
950  c2x+=q2.vertices.at(i)[0];
951  c2y+=q2.vertices.at(i)[1];
952  c2z+=q2.vertices.at(i)[2];
953  }
954 
955  qglviewer::Vec center1 ( c1x/(double)q1.vertices.size(),c1y/(double)q1.vertices.size(), c1z/(double)q1.vertices.size() );
956  qglviewer::Vec center2 ( c2x/(double)q2.vertices.size(),c2y/(double)q2.vertices.size(), c2z/(double)q2.vertices.size() );
957 
958  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 ) );
959  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 ) );
960  return dist1>dist2;
961  }

Field Documentation

template<typename Space = SpaceND<3>, typename KSpace = KhalimskySpaceND<3>>
qglviewer::Vec DGtal::Viewer3D< Space, KSpace >::CompFarthestPolygonFromCamera::posCam

Definition at line 938 of file Viewer3D.h.


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