> What are you trying to use the extrusion geometry
> for?
Hello Andreas,
I'm just using it for some small examples so I can say
'Hey, OpenSG can do extrusions as well'.
Could you sent some lines of your examples directly to
my address, please? I just need some reasonable input
values for the makeExtrusionGeo function.
Björn
--- Andreas Fischle <[EMAIL PROTECTED]> schrieb:
> Hi!
>
> You've definitely spotted two bugs there.
>
> On Fri, Feb 11, 2005 at 11:38:07PM +0100, Björn
> Harmen Gerth wrote:
> > Hello.
> >
> > ********** 1) *****************
> > from OSGExtrusionGeometry.cpp, in
> makeExtrusionGeo:
> > if(beginCap)
> > {
> > FDEBUG(("generating and rendering caps\n"));
> >
> > renderCap(...);
> > renderCap(...);
> > }
> >
> > I think this should be
> > if(beginCap)
> > {
> > FDEBUG(("generating and rendering top cap\n"));
> > renderCap(...);
> > }
> > if (endCap)
> > {
> > FDEBUG(("generating and rendering bottom
> cap\n"));
> > renderCap(...);
> > }
> > The parameter list of the function has to be
> altered
> > accordingly.
> >
>
> Yes. It should definitely be possible to switch the
> caps on and off
> separately. Thus it's a bug.
>
> > ******** 2) *****************
> > Same file, in function calcHullVertices:
> >
> > Quaternion tmp = orientation[sp_len - 1];
> >
> > should be
> >
> > Quaternion tmp = orientation[or_len - 1];
>
> The intention is to reuse the last known good
> orientation once
> the count of spine points exceeds the number of
> specified spine
> orientations. As we are given or_len spine
> orientations,
> the last known good value resides at or_len-1, as
> you proposed.
>
> > ********* 3) ***************
> >
> > Has anyone ever used makeExtrusion(Geo) without a
> VRML
> > file?
>
> I did use this code to render some simple extrusion
> examples
> when I wrote the code, but I haven't touched it in
> years.
> (and probably noone else bothered to do so either).
> It displayed most of my simple test examples
> correctly, but
> has known problems with various VRML example files
> :(
>
> In short, the OSG extrusion geometry code does need
> some work.
> I might be able to finally fix it at the end of the
> month, but I can't
> promise anything yet ...
>
> What are you trying to use the extrusion geometry
> for?
>
> Bye,
> Andreas Fischle
>
>
>
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