Re: Modifying geosets

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Sean Halliday (halliday++at++BanffCentre.AB.CA)
Fri, 12 Aug 1994 10:49:41 -0700 (MDT)

>
> Hi all,
>
> First, has anyone used the ImageVision Library with Performer. Please
> comment on any issues that must be addressed to do this.
>
> Secondly, I am having difficulty determining how to modify/edit the
> structure of a geoset. Currently I must regenerate the entire geoset to
> make a change to the underlying geometry.
>
> For example, I create a geoset of linestrips between a given set of
> points. If the coordinates of one of the points change, I want to
> modify that single vertex of the linestrip instead of regenerating the
> entire linestrip.
>
> I guess what I am looking for is a handle to the geoset structure.
> Thanks for your help.
>
> Steve Hodecker
> LORAL Federal Systems
> Flight Systems Engineering
>
>
>
        You must pfMalloc the vertices before pfConfig. This allows
you to modify the vertix array. (see Shared memory debugging in the manual)
If you pfMalloc afterwords, each process will get a different pointer.

-- 


Sean Halliday 
Computer Graphics Software Developer
New Media Research, Banff Centre for the Arts.
halliday++at++BanffCentre.AB.CA

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