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Added on: Fri Jan 03 2003
Page: 1 2 3 

Additional Tips

Now here are some additional tricks I promised earlier.

When you want to make a photorealistic marble or wooden floor or whatever, you can
use a Mask Map in the Reflection Map and put the same map you used in the Diffuse Map
in the Mask slot and Reytrace Map in the Map slot, to achieve a reflection that is not all over the surface,so that some areas are more reflective than others.(yap...) - just see the image below.

When you want to make a glass or a bottle or anything transparent made of glassy material, and there are some objects inside it (you hope to make some nice refractions), Raytrace engine will count all the polygons of those objects (very slow).

What you can do is render those objects independently and save the image as tga or tif (with alpha) and then put a simple plane (only two polygons!) facing the camera instead of those objects with a material that uses previously rendered image.
To make the plane transparent in the proper places just use the same image in the Opacity Map and check the Alpha channel in it's output settings. This trick applies only to still images, but it can save you lots of time.

The final image is shown below as a wireframe and full rendered.

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