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<gbruno> [github] t-paul pushed 3 additions 6 modifications (Merge pull request #4243 from MichaelPFrey/2022-04-25-camControl Add viewport control widget.) https://github.com/openscad/openscad/commit/6aae7963498675dfb5bedaaef2cb8e56bdcddcab
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<peepsalot> i think a builtin cylinder_extrude could be nice.
<peepsalot> or is it more wanted to wrap already 3d objects on cylinders
<peepsalot> cylindrical extrude would be fairly simple to implement, i think
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<J22> peepsalot  a polar_transform  could work on 2D and 3D objects
<peepsalot> J22: well, a transform alone on 2D would leave a 2D-in-3D shape, which then can't be extruded by current operators
<peepsalot> also whether 2D or 3D, its more than just transforming vertices, as edges will need to be subdivided to get reasonable expected results
<J22> in 2D the transformations would be in the xy plane
<J22> J2237 18:25:14here without lib https://bpa.st/KV4Q
<J22> And yes subdivision is needed - but you already mastered this with linear_extrude - at least for the polygon
<peepsalot> oh, i assumed you meant a transform related to wrapping on a cylinder. that's something totally different
<peepsalot> for cylinder, i would have y map to z, and x map to offset along circumference
<J22> this is warping on a cylinder (or circle)
<J22> i assumed your idea was to extrude a polygon so it would fit on the outside of a cylinder
<J22> this would be the result of an linear_extruded polygon with "bend()"  (without the subdivision)
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<gbruno> [github] t-paul closed issue #292 (build problems with libgles2) https://github.com/openscad/openscad/issues/292
<gbruno> [github] t-paul closed issue #4258 (Feature request: passing parameters by reference) https://github.com/openscad/openscad/issues/4258
<gbruno> [github] t-paul closed issue #4255 (Feature request: is_empty(geometry) function to test for empty geometry) https://github.com/openscad/openscad/issues/4255
<gbruno> [github] t-paul closed issue #4236 (Compilation error) https://github.com/openscad/openscad/issues/4236
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<J22> why do i get  [fast-csg] core finement mesh union failed with an object that doesn't render due to modifier usage %  but is working with if ($preview)
<J22> seems that fastCSG is not ignoring % objects
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<InPhase> J22: Ignores it fine for me. My testcase: sphere(5); cube(5); %cylinder(r=3, h=8);
<InPhase> Now I'm not sure if it gets calculated and then dropped. That's possible. But it removes it at least.
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<peepsalot> J22: please stop making complaints about alleged bugs without providing any test case
<peepsalot> its getting really tiresome