void Q3DCameraWidget::calculateColorsAndPositions ( )

private

Definition at line 116 of file Q3DCameraWidget.cc.

References _colorB, _colorG, _colorR, _data, _x, _y, _z, and i.

    {
        short min = 10000;
         short max = -10000;
         for (int k=0;k<1440;k++)
             for (int j=6;j<251;j++)
         {
               int  i = k*300+j;
             if (_data[i] < min)
                 min = _data[i];
             if (_data[i] > max)
                 max = _data[i];
         }
         float span = max - min;


         //max should be at one, min at -1

         for (int i=0;i<1440;i++)
         {
             for (int j=6;j<251;j++)
             {
                 _x[i*300+j] = -1 + (2.f*i)/1440.f;
                 _y[i*300+j] = -0.5 + 1.0f*(_data[i*300+j] - min)/span;
                 _z[i*300+j] = -1+(2.f*j)/300.f;
                 float value = (_data[i*300 + j] - min)/span;
                 if (value < 0.33)
                 {
                      _colorR[i*300+j] = 0;
                      _colorG[i*300+j] = 0;
                      _colorB[i*300+j] = value/0.33;
                 }
                 if (value >= 0.33 && value <= 0.66)
                 {
                     _colorR[i*300+j] = 0;
                     _colorG[i*300+j] = (value-0.33)/0.33;
                     _colorB[i*300+j] = 1 - ((value-0.33)/0.33);
                  }
                 if (value > 0.66)
                 {
                     _colorR[i*300+j] = (value-0.66)/0.33;
                      _colorG[i*300+j] = 1 - ((value-0.66)/0.33);
                      _colorB[i*300+j] = 0;

                 }
             }
         }



    }