Extrude quietly fails to produce a solid on self-intersecting sketches #352
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There is an indication that the rotate group can not be extruded. The area of the shape is filled in with a light gray when it is a complete, non-intersecting shape. Your background is solid black. Since this seems to be detected, it may be possible to issue a message about it when you try to extrude. Would that be enough?. Sometimes you can manipulate the underlying sketch after doing an extrusion and that can change it to/from self intersecting. Try extruding a pentagon and then take one vertex and drag it across the opposite side - the solid will disappear and reappear as you make the shape intersect or not. |
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Fixed in df6777a. |
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System information
x86_64
SolveSpace version: 2.3
Operating system: (e.g. Debian testing)
debian 9.5
Expected behavior
What should have happened?
Produce a solid.
Actual behavior
What actually happened?
Not a solid.
Additional information
See the attached slvs file, there's no feedback stating the step-rotate-repeated sketch which was extruded has a self-intersecting center line preventing the extrude from succeeding.
Removing the center line or "toggle construction" on that line in the sketch makes things work.
notsolid.slvs.zip
Furthermore, if the order is simply switched to sketch->extrude->step-rotate-repeated, the centerline doesn't matter and a solid is produced. It's rather confusing.
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