Nightly : bug in vtkCamera::GetFrustumPlanes

Lisa S. Avila lisa.avila at kitware.com
Wed Oct 6 23:59:09 EDT 1999


Hi John,

Thanks for finding that. I just fixed it - I changed the calculations to
double and checked for a divide by zero. 

Lisa



At 12:55 AM 10/7/99 +0100, John Biddiscombe wrote:
>Nightly Download Wed 6th Oct.
>
>in...
>void vtkCamera::GetFrustumPlanes( float aspect, float planes[24] )
>
>Zooming in on a model sometimes causes Div by zero
>
>The computation of the planes normal can throw a wobbly when 
>t = sqrt((a*a) + (b*b) + (c*c)) 
>and t=0
>
>next division causes problems.
>
>Haven't looked at fixing it, but just thought I'd mention it.
>
>John B
>
>
>
>
>
>
>
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