Re: Performer Questions

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Hideo MIKI (miki++at++msys0.ihimsys.ihi.co.jp)
Thu, 2 Mar 95 17:51:50 JST

>>->I have the following questions related to Performer application ( based
>>->on perfly ) I am developping.
>>->
>>->1. How can I get the value above a terrain ?
>>
>>You want to intersect your terrain geometry with a downward
>>segment. With the pfSegsIsectNode() routine, you can get the
>>primitive, and even point, of intersection.
>>Look at the pfSegsIsectNode and pfMQueryHit man pages.
   
 I want to get the value from viewpoint to terrain.In my application,
 I tried to use pfuCollideGrnd(&(ViewState->xformer->coord),
                        &(ViewState->xformer->grndNode,zpr)
 But I can't compile this code.
 Please give more help.

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