[vtkusers] scatterplot with different marker shapes, sizes and colors?

Mario Emmenlauer mario at emmenlauer.de
Wed Sep 7 06:08:46 EDT 2016


Hi,

can somebody help me with this, is it possible to get scatterplots with
different marker shapes and/or sizes? Any help would be greatly appreciated!
See below for more info...


On 27.08.2016 00:55, Mario Emmenlauer wrote:
> 
> I've been using vtkPlot to get a simple and easy-to-use scatterplot,
> and it works great! But ideally I'd like to also have different marker
> sizes, i.e. to specify a marker size for each point. I could trace the
> code into vtkOpenGLContextDevice2D::DrawPointSprites() where the marker
> sprites are drawn. But a recommendation would help - is it even possible
> and runtime-efficient to have variable sizes? Or would it come at a huge
> performance penalty? How is the best way to achieve it, is it required
> to patch vtkOpenGLContextDevice2D or are the other means?
> 
> All the best,
> 
>     Mario Emmenlauer





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