Hi,
I don't remember exactly - but it seems I've used only face normals
instead of vertex normals.
I'll try to fix it this weekend...
Thanks for the hint Toni!
Greets,
Patrik
Antonio Bleile schrieb:
> Scrive Antonio Bleile <[EMAIL PROTECTED]>:
>
>> Hi Matthias,
>>
>> Scrive Matthias Stiller <[EMAIL PROTECTED]>:
>>
>>> Hmm,
>>>
>>> why not look into the source, should be pretty short for this file
>>> format ;-)
>> Cause I'm lazy ;) But you're right, looking at the code
>> I found calls to createSharedIndex(..) and calcVertexNormals(...)
>
> Hi,
>
> I tried to copy from the STL loader but in my case it crashes
> somewhere in createSharedIndex. So I took a closer look at the
> STL loader. Here's a snippet:
>
> beginEditCP(points);
> beginEditCP(norms);
> while (actIt != endIt)
> {
> points->addValue(Pnt3f(actIt->v1x, actIt->v1y, actIt->v1z));
> points->addValue(Pnt3f(actIt->v2x, actIt->v2y, actIt->v2z));
> points->addValue(Pnt3f(actIt->v3x, actIt->v3y, actIt->v3z));
> norms->addValue(Vec3f(actIt->nx, actIt->ny, actIt->nz));
> ++actIt;
> }
> endEditCP(norms);
> endEditCP(points);
>
> beginEditCP(geo);
> {
> geo->setTypes (type);
> geo->setLengths (lens);
> geo->setPositions(points);
> geo->setNormals (norms);
> }
> endEditCP(geo);
> createSharedIndex(geo);
> calcVertexNormals(geo);
>
>
> As you can see there is one normal per face. But shouldn't it be
> one normal per vertex? Is this code correct? If I remove the
> "setNormals" call my program does not crash anymore, perhaps
> the createSharedIndex routine trys to access the normals array
> outside of its boundaries...
>
> Regards,
>
> Toni
>
>
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