FAQ Database Discussion Community

Volume rendering is more transparent from one direction that another

I'm trying to get my head around volume rendering using three.js and ray marching GLSL. I've got some data I synthesised from a numpy array. The cube of data being rendered is more opaque on one side, graduating to being transparent on the other side - like this (ignore the...

Load non power of two image stack into 3d texture OpenGL C++

i have tried to load stack of .png image files into glTexImage3D for volume rendering purpose. However, i just cant make it work as it keeps crashing. BTW, the problem seems to be related with pData. Below is the code for your reference: GLubyte * pData = new GLubyte[XDIM*YDIM*ZDIM]; ifstream...