public IesCubemap RenderCubemap(int resolution, IesData iesData)
{
IesCubemap cubemap = new IesCubemap(resolution);
foreach (var kvp in cubemap.textures)
{
CubeFace face = kvp.Key;
IesTexture texture = kvp.Value;
double offset = (1 / cubemap.resolution) / 2;
for (int y = 0; y < cubemap.resolution; y++)
{
double yNorm = (y / cubemap.resolution) + offset;
for (int x = 0; x < cubemap.resolution; x++)
{
double xNorm = (x / cubemap.resolution) + offset;
Vec3 spherePoint = IesCubemap.CubeToSpherePoint(face, xNorm, yNorm);
LatLon latLongPoint = LatLon.FromSpherePoint(spherePoint);
double candela = InterpolatedCandelaFromData(latLongPoint, iesData.angleCandelas);
texture.WritePixelIntensity(x, y, candela);
}
}
}
return(cubemap);
}
public RGBEFile(IesTexture texture)
{
this.texture = texture;
}