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Re: [cgal-discuss] Basic Viewer


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  • Subject: Re: [cgal-discuss] Basic Viewer
  • Date: Thu, 26 Jun 2025 16:55:59 +0200
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Nor sure what you are viewing. Have used CGAL and QT to draw polygons lines of some kind and for these it was possible to change colors.

Nicklas Karlsson

Den Torsdag, Juni 26, 2025 10:20 CEST, skrev "Pete Good" ( via cgal-discuss Mailing List) <>:
 
">I have managed to get the Basic_viewer examples running, thanks to the
feedback I received to my question about Qt6. I have a container packing
program which produces packing solutions and I have managed to use the
draw(lcc) example to display the container and its contents using
multiple hexahedrons. This works fine but I would like to have more
control over the colouring of the hexahedrons, for example, it would be
useful to make the container transparent and assign a unique colour to
each of its contents.

The github co-pilot tells me that this is not yet possible because
CGAL::draw generates the colours internally and the user cannot change
them. I would be interested to know if there are any plans to extend the
CGAL functionality so that functions that can be performed on 2D objects
can also be performed on 3D objects.

Regards

Pete Good


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