diff options
Diffstat (limited to 'src/PolySetCGALEvaluator.cc')
| -rw-r--r-- | src/PolySetCGALEvaluator.cc | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/PolySetCGALEvaluator.cc b/src/PolySetCGALEvaluator.cc index bc9206f..a2d896d 100644 --- a/src/PolySetCGALEvaluator.cc +++ b/src/PolySetCGALEvaluator.cc @@ -455,12 +455,21 @@ PolySet *PolySetCGALEvaluator::rotateDxfData(const RotateExtrudeNode &node, DxfD for (size_t i = 0; i < dxf.paths.size(); i++) { + double min_x = 0; 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]; + min_x = fmin(min_x, point_x); + max_x = fmax(max_x, point_x); + + if ((max_x - min_x) > max_x && (max_x - min_x) > fabs(min_x)) { + PRINTB("ERROR: all points for rotate_extrude() must have the same X coordinate sign (range is %.2f -> %.2f)", min_x % max_x); + delete ps; + return NULL; + } } - int fragments = get_fragments_from_r(max_x, node.fn, node.fs, node.fa); + int fragments = get_fragments_from_r(max_x-min_x, node.fn, node.fs, node.fa); double ***points; points = new double**[fragments]; |