<div>hello,</div>
<div>am working on volume rendering of a set of ct scan slices which i have got as jpeg images(512 * 512 pixels).say about 20 slices...so the input data is rgb values at each pixel...am using the fixed raypointcastmapper....am facing a problem in the shading aspect..before compositing i require the colour intensity at each point after taking into account the diffuse,specular and ambient effects..after classification....how do i construct the shading tables..after taking the vertex normals.....do help me....</div>