message: We re-scale the value min/max so our new min/max in the file is [0,1]
diff: @@ -149,7 +149,7 @@ int main(int argc, char **argv) {
  rgbSamples.push_back(color);
  }
  - tfn::TransferFunction converted(tfcnName, rgbSamples, opacities, dataValueMin, dataValueMax, 0.5f);
  + tfn::TransferFunction converted(tfcnName, rgbSamples, opacities, 0, 1.0, 0.5f);
  converted.save(argv[2]);
  return 0;
  