i am making a project which displays images in raw, dem format .. this actually makes a 3d illusion .. so furthur i want to include shadow effects to show the position of sun.. for more clarification.:-
the image is say of himalaya region(basically satellite images in dem form or raw format) so i want to create the virtual shadows to show the presence of sun ..
please help me out or if you have any doubt in my question please do ask me...