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Hello!

You know how shelf tools allow you to interact with the viewport? I want to do something similar like that for an HDA. I want when a button is clicked, cross hairs show up that allow the user to place points that will snap to the input geometry. What are some good resources that show how to do something like that?

Thanks,

ER

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How about the HDA loops over all the points, and if you can; use the new viewport scripting options particularly in python to have the user move the cross hair which snap to the points on the mesh; therefore the user can place the points ?

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