diff options
| author | David Eccles (gringer) <github@gringer.org> | 2013-12-06 00:14:09 (GMT) |
|---|---|---|
| committer | Marius Kintel <marius@kintel.net> | 2013-12-06 05:39:48 (GMT) |
| commit | e3317ecc64659ae8be2a7b02d4df17dad6d875db (patch) | |
| tree | 5ac61166fb1d867d2c6aeedd916ef0844ad939eb /src/PolySetCGALEvaluator.cc | |
| parent | 38a342215970396a5590281cd66d0ca9c9ab7e98 (diff) | |
Fail if any polygon points for rotate_extrude are less than 0
Diffstat (limited to 'src/PolySetCGALEvaluator.cc')
| -rw-r--r-- | src/PolySetCGALEvaluator.cc | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/PolySetCGALEvaluator.cc b/src/PolySetCGALEvaluator.cc index bc9206f..e5eba2b 100644 --- a/src/PolySetCGALEvaluator.cc +++ b/src/PolySetCGALEvaluator.cc @@ -457,7 +457,13 @@ PolySet *PolySetCGALEvaluator::rotateDxfData(const RotateExtrudeNode &node, DxfD { double max_x = 0; for (size_t j = 0; j < dxf.paths[i].indices.size(); j++) { - max_x = fmax(max_x, dxf.points[dxf.paths[i].indices[j]][0]); + double point_x = dxf.points[dxf.paths[i].indices[j]][0]; + if(point_x < 0){ + PRINT("ERROR: all points for rotate_extrude() must have non-negative X coordinates"); + PRINT((boost::format("[Point %d on path %d has X coordinate %f]") % j % i % point_x).str()); + return NULL; + } + max_x = fmax(max_x, point_x); } int fragments = get_fragments_from_r(max_x, node.fn, node.fs, node.fa); |