djaidjai/cuda-based-raytrace
1
0
Fork 0
mirror of https://github.com/MartinOpat/cuda-based-raytrace.git synced 2025-06-07 02:13:10 +02:00
Code Issues Packages Projects Releases Wiki Activity

Implemented picker for color map

Browse Source
This commit is contained in:
Martin Opat
2025-01-15 19:44:16 +01:00
parent 33365a26a7
commit 4b95bb728d
5 changed files with 44 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
src/illumination/transferFunction.cu
View File

@@ -40,17 +40,35 @@ __device__ float4 transferFunction(float density, const Vec3& grad, const Point3
// --------------------------- Sample the volume ---------------------------
// TODO: Somehow pick if to use temp of speed normalization ... or pass extremas as params.
float normDensity = (density - MIN_TEMP) / (MAX_TEMP - MIN_TEMP);
// float normDensity = (density - MIN_TEMP) / (MAX_TEMP - MIN_TEMP);
float normDensity = (density - 273) / (MAX_TEMP - MIN_TEMP)+16.f/21.f; // Make zero match Celsius zero
// float normDensity = (density - MIN_SPEED) / (MAX_SPEED - MIN_SPEED);
normDensity = clamp(normDensity, 0.0f, 1.0f);
// --------------------------- Map density to color ---------------------------
// TODO: Add a way to pick stops here
Color3 baseColor = colorMap(normDensity, d_stopsPythonLike, lenStopsPythonLike);
// Pick color map
Color3 baseColor;
switch (d_tfComboSelectedColor) {
case 0:
baseColor = colorMap(normDensity, d_stopsPythonLike, lenStopsPythonLike);
break;
case 1:
baseColor = colorMap(normDensity, d_stopsBluePurleRed, lenStopsBluePurpleRed);
break;
// TODO: This is a Gui select element
// TODO: Add a way to pick different function for alpha
case 2:
baseColor = colorMap(normDensity, d_stopsGrayscale, lenStopsGrayscale);
break;
default:
baseColor = colorMap(normDensity, d_stopsPythonLike, lenStopsPythonLike);
break;
}
// Pick opacity function
float alpha;
switch (d_tfComboSelected) {
case 0: