 #define FLOATIMG
 #define EARLYRAYTERM
 
-const int Repetitions = 1;
-
 #ifdef VOLTEX3D
 #undef PITCHED
 #undef CONSTLOAD

                    break;
            }
#endif
            const float4 c = tex1Dfetch(tex_tf, v*255.f);

            // blend
            const float w = d.w*c.w;


    // initialise intermediate image line
    extern __shared__ char smem[];
    Pixel *imgLine = (Pixel *)smem;

    for (int ix=threadIdx.x; ix<width; ix+=blockDim.x)
    {
        initPixel(&imgLine[ix]);
    }

    // composite slices for this image line
