Can we tweak by script for Silhouette to be calculated by rules other than closed brep (for example by group, by block, by name)

@Jun_Wang wrote:

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for example the silhouette line shown in the image above is done in illustrator but possible to do in 3D via display mode and silhouette, but only after you BooleanUnion all the individual Brep into one giant Brep, which is nice but not ideal because it’s a irreversible and “destructive” process, while you usually rather the individual Brep stay individual so you can change through different design iterations and have the view silhouette update automatically. Is this possible through some tweak or maybe scripting so we can use a third parameter to control which Brep get grouped together and generate one silhouette to the current view? I know we can use MeshOutline but it does not work when you have two or three groups of Brep you want to generate silhouette and the lines generated from MeshOutline are actual lines and don’t hide/cut each other correctly if one is in front / behind another (see below).

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I guess in summary I’m trying to see there is way through setting change and/or scripting to arrive at a very agile drawing production work-flow right inside Rhino. I’m already using Silhouette and display mode to generate quick images, but it falls short a little when the geometries are bit more complex like these while also requiring some flexibility.

Thank you!

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