[A/DE/VtkVis] Raster: Rm. unused private function.

Applications/DataExplorer/VtkVis/VtkRaster.cpp

@@ -388,13 +388,3 @@ bool VtkRaster::readWorldFile(std::string const& filename,
     image->SetDataOrigin(x0, vtk_y0, 0);
     return true;
 }
-
-void VtkRaster::uint32toRGBA(const unsigned int s, int* p)
-{
-    p[3]   = s / (256 * 256 * 256);
-    int r  = s % (256 * 256 * 256);
-    p[2]   = r / (256 * 256);
-    r     %= (256 * 256);
-    p[1]   = r / 256;
-    p[0]   = r % 256;
-}

Applications/DataExplorer/VtkVis/VtkRaster.h

@@ -72,7 +72,4 @@ private:
      * BMP/JPG/PNG-file and create a RasterHeader for the image.
      */
     static bool readWorldFile(std::string const& filename, vtkImageReader2* image);
-
-    /// Converts an uint32-number into a quadruple representing RGBA-colours for a pixel.
-    static void uint32toRGBA(const unsigned int s, int* p);
 };