David & Ashish,
I think you both are right. Lines from polygons which are being culled are
not drawn. In other words, if you have backface culling on, you will not
see lines from these objects when you render them in wireframe.
However, there is no "true" hidden line removal occuring for the whole
scene. In other words, you can see lines from objects even if they would
be completely occluded by another object when rendering with filled polygons.
--Mark
At 08:50 AM 11/16/2000 -0500, Yazel, David J. wrote:
>Hidden lines are not removed. Java3d does view fulstrum culling, which
>removes shapes from the rendering pipeline which are to the left, right,
>above, below and behind the image plate. Z-buffering then is used to keep
>the closest "pixel" correct. There is currently no culling of shapes that
>are occluded by other shapes, but within the view fulstrum. For that you
>need to write your own oct-tree or bsp tree culling.
Mark Ferneau 240-462-6262 (cell)
Director of Adv. Technology 801-437-4608 (efax)
Xtivia Technologies, Inc. 732-469-5954 x629 (NJ office)
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