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Graphical quality when using RenderSurface = Window

Posted By Jens Wallman 5 Years Ago
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Jens Wallman
Question Posted 5 Years Ago
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Last Active: 3 Years Ago
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Hi, we've been using Nevron's charts since about 2008 but have never really used the Hardware rendering support until now since we now need the chart to be as fast as possible. Switching to RenderSurface = Window drastically improves performance which is great. However it also degrades the image quality of the chart, especially when using circular shapes. When using GDI rendering the circular shapes are nice and even but when using hardware rendering the edges of the circles are jagged and the circles are no longer circular.

I've attached two images from your XY Scatter Point Chart example to illustrate the problem.
You can clearly see the non-circular shapes in the Hardware.png file.

Is there any way to improve the quality of the shapes when using hardware rendering?



Attachments
GDI.png (328 views, 109.00 KB)
Hardware.png (344 views, 75.00 KB)



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