[Qt-interest] how can I speed up draw ploygons ?

[Sean Harmer]

On Thursday 02 Jul 2009 08:10:10 rolandsun sun wrote:
> hi,
>
> I want to draw about 200,000 polygons on one image,actually it's a radar
> echo image.
> now I call drawPolygon ,but it need a lot of time, can draw the image
> quickly?
How are you drawing them at present? Do you have some example code please? 
What kind of frame rate do you need? What type of hardware do you have 
available?

Sean