teepee changed the topic of #openscad to: OpenSCAD - The Programmers Solid 3D CAD Modeller | This channel is logged! | Website: http://www.openscad.org/ | FAQ: https://goo.gl/pcT7y3 | Request features / report bugs: https://goo.gl/lj0JRI | Tutorial: https://bit.ly/37P6z0B | Books: https://bit.ly/3xlLcQq | FOSDEM 2020: https://bit.ly/35xZGy6 | Logs: https://bit.ly/32MfbH5
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<gbruno> [github] kintel closed issue #3808 (ERROR: CGAL error in CGAL_Nef_polyhedron3(): CGAL ERROR: assertion violation! Expr: e_below != SHalfedge_handle()) https://github.com/openscad/openscad/issues/3808
<gbruno> [github] kintel closed issue #3903 (linear_extrude with difference results in unwanted transparency) https://github.com/openscad/openscad/issues/3903
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<gbruno> [github] kintel closed issue #4039 (ERROR: The given mesh is not closed! Unable to convert to CGAL_Nef_Polyhedron associated with linear_extrude) https://github.com/openscad/openscad/issues/4039
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<teepee> hello april fools... https://fosstodon.org/@liberachat/112193024319748407 - that one is at least cute, meow!
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<gbruno> [github] kintel closed issue #4500 (Rendering Polygon Mesh using CGAL failed) https://github.com/openscad/openscad/issues/4500
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<gbruno> [github] kintel edited issue #4543 (2023.03.06 hide everything on thrown together) https://github.com/openscad/openscad/issues/4543
<gbruno> [github] kintel edited issue #4546 (Is rendering issue or some thing else?) https://github.com/openscad/openscad/issues/4546
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<gbruno> [github] kintel edited issue #4672 (assertion violation! Expr: e_below != SHalfedge_handle() upon rendering) https://github.com/openscad/openscad/issues/4672
<gbruno> [github] kintel closed issue #4672 (assertion violation! Expr: e_below != SHalfedge_handle() upon rendering) https://github.com/openscad/openscad/issues/4672
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<gbruno> [github] kintel closed issue #4922 (OpenSCAD crashes with twisted linear_extrude) https://github.com/openscad/openscad/issues/4922
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<gbruno> [github] kintel pushed 1 modifications (Try to remove the ancient strict_points hack) https://github.com/openscad/openscad/commit/964ced25258edf3c2a1d842981d47716e0dedced
<gbruno> [github] kintel pushed 2 modifications (Remove PolySet functionality from CGALRenderer) https://github.com/openscad/openscad/commit/00e2f1e77ff3baeec20cccd69d91c6c3ce28e5dc
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<gbruno> [github] xypron opened issue #5072 (Intersection not working, creating union instead) https://github.com/openscad/openscad/issues/5072
<J24k> I would like an indicator which parameters in customize are different from the code
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<guso78k> paste ?
<othx> paste is https://www.3dcustomizer.net/paste for .scad files, https://bpa.st for text, https://pasteboard.co/ or https://imgur.com/ for images
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<guso78k> InPhase, your bezier patch yields a nice optical illusion, just printing it to test it in real life
<InPhase> guso78k: You inverted something to make it inside out?
<guso78k> i inverted just the  parameters of the 2nd bezier. make a diff!
<guso78k> and look at this; the axes are really wild now
<InPhase> I guess with adjusting the input it could probably do any sort of 3 cornered bezier.
<InPhase> Although note that my tesselation algorithm makes a hard assumption that the rows are non-increasing as it goes along z.
<guso78k> i think it can already do.
<InPhase> non-increasing in length, that is
<guso78k> the result of my code appears to be half a  sphere, but isn't
<InPhase> And by z I mean the z as originally defined.
<InPhase> I think it's possible to make a tesselation version that does not have this assumption, but that seemed to require more thought. :)
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<InPhase> I have for a long time wanted to write a tesselation algorithm in scad code that takes arbitrary lengths of coordinates.
<guso78k> this version of your code only specifies 3 vectors as input. i believe to get 4th point, you need to cut 3 faces
<InPhase> I guess polyhedron is smart enough to handle breaking that base layer up into triangles in that last version.
<InPhase> It's fed to it as a single face, but it's no longer a valid face.
<InPhase> I wonder if that's documented behavior or just implementation behavior.
<guso78k> breaking face is a face with more than 3 vertices and more than one normal ?
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<gbruno> [github] silverlore opened issue #5073 (preview does not show diffrence() correctly) https://github.com/openscad/openscad/issues/5073
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<InPhase> guso78k: Yeah.
<guso78k> i believe openscad does not even notice this because it triangulates EVERYTHING right in the beginning to be able to work with manifold ...
<J24k> #5073 looks like an issue with convexity - can't reproduce with manifold not tested without
<J24k> but with #5072 i assume this is a linux ubuntu driver problem
<J24k> at least strange coincidence that two reporting a similar issue
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<Guest80> Heyys
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<gbruno> [github] kintel closed issue #5073 (preview does not show diffrence() correctly) https://github.com/openscad/openscad/issues/5073
<gbruno> [github] kintel closed issue #5072 (Intersection not working, creating union instead) https://github.com/openscad/openscad/issues/5072
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