[vtk-developers] Geocoordinate System Filter, 2D Text Manager, 2D Text Preformance, and Buffered Hardware Picking
sean at rogue-research.com
Wed Dec 19 10:13:40 EST 2007
On 12/18/07 4:18 PM, Philip Schuchardt said:
>-- 2D Text Manager --
>I've written a class that managers 3D anchored, 2D text actors. It keeps
>multiple text actors from overlapping each other. It also support Z-buffer
>checking, which keeps "hidden" 2D text actors from showing.
By any chance, does your text code support Unicode or just ASCII?
>I've also had performance issues while displaying 100's of 2D text
>once. I think it's a openGL pipeline issue. Does vtk/ftgl use display
>for 2D text actors? If it doesn't, I think display lists would greatly
>improved 2D text actors rendering performance.
I don't know if it's related, but we also found performance problems
with text, detailed here:
Sean McBride, B. Eng sean at rogue-research.com
Rogue Research www.rogue-research.com
Mac Software Developer Montréal, Québec, Canada
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