Re: Curves and Cd in Octane 2018 not working
Posted: Wed Jul 24, 2019 11:39 am
i forgot to post the code you need to put inside a Primitive Wrangle to export @Cd and @Alpha by using @uv.
you are able to export them inside your .abc. and use rgb and alpha .ppm map directly.
it work for curves in standalone
it doesn't work on point due to abc importer restriction
you are able to export them inside your .abc. and use rgb and alpha .ppm map directly.
Code: Select all
int base = 64;
int resolution = 4096;
float r = @Cd.x;
float g = @Cd.y;
float b = @Cd.z;
float a = @Alpha;
float min = 0.04;
float max = 0.96;
if(r<min) r = min; if(r>max) r = max;
if(g<min) g = min; if(g>max) g = max;
if(b<min) b = min; if(b>max) b = max;
if(a<min) a = min; if(a>max) a = max;
int rl = r*(base-1);
int gl = g*(base-1);
int bl = b*(base-1);
int al = a*(base-1);
int rgbLine = al + bl*base + gl*base*base + rl*base*base*base;
int xPix = rgbLine%resolution;
int yPix = rgbLine/resolution;
[email protected] = (float)xPix/resolution;
[email protected] = 1.0 - (float)yPix/resolution;it doesn't work on point due to abc importer restriction