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| -rw-r--r-- | doc/TODO.txt | 29 |
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diff --git a/doc/TODO.txt b/doc/TODO.txt index e64b6ed..ceab45b 100644 --- a/doc/TODO.txt +++ b/doc/TODO.txt @@ -8,6 +8,35 @@ o It's now possible to start a new rendering while one is already running. -> turn off most (or all) interaction while rendering o Look into the polygon winding and rotate_extrude() problem reported by Britton +STL Import BUGS +--------------- + +Using STL-imported models is tricky and triggers multiple issues: +(these all fail with the usual "Illegal polygonal object" error) +1) null-faces causes F6 rendering to fail while F5 rendering succeeds. + (null-faces are exported by OpenSCAD). Example: adns2610_dev_circuit_inv.stl + by Andrew Plumb +2) Even very simple imported STL models don't render correctly with F5 when taking + a difference(), though F6 looks correct. Example: test_cube.stl by Andrew Plumb + with this scad file: + difference() { + import_stl("test_cube.stl"); + translate([2,2,2]) cylinder(h=10); + } +3) More complex STL models with something simple unioned or subtracted fails rendering + using F6 even though F5 works. Example: adns2610_dev_circuit_inv.stl + by Andrew Plumb with the three null-faces removed by MeshLab with this scad file: + union() { + import_stl("adns2610_dev_circuit_inv_4.stl"); + sphere(r=5); + } +4) More complex STL models cannot be projected (both F5 and F6). + Example: adns2610_dev_circuit_inv.stl by Andrew Plumb with the three + null-faces removed by MeshLab and this scad file: + projection(cut=true) { + import_stl("adns2610_dev_circuit_inv.stl"); + } + CRASH BUGS ---------- o Broken polyhedron() entities are not correctly detected and cause CGAL segfaults |