3DPrinting/PrusaSlicer-NonPlainar
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Fixed a harless assert in PrintObject consturctor.

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Fixed a bug in G-code generator regarding the seam hiding.
This commit is contained in:
bubnikv 2018-12-07 11:21:05 +01:00
parent b1f819f83b
commit 9f43e7d375
4 changed files with 9 additions and 7 deletions
src/libslic3r
GCode.cpp

4
src/libslic3r/GCode.cpp
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@ -2159,9 +2159,11 @@ std::string GCode::extrude_loop(ExtrusionLoop loop, std::string description, dou
m_wipe.path = paths.front().polyline; // TODO: don't limit wipe to last path
// make a little move inwards before leaving loop
if (paths.back().role() == erExternalPerimeter && m_layer != NULL && m_config.perimeters.value > 1) {
if (paths.back().role() == erExternalPerimeter && m_layer != NULL && m_config.perimeters.value > 1 && paths.front().size() >= 2 && paths.back().polyline.points.size() >= 3) {
// detect angle between last and first segment
// the side depends on the original winding order of the polygon (left for contours, right for holes)
//FIXME improve the algorithm in case the loop is tiny.
//FIXME improve the algorithm in case the loop is split into segments with a low number of points (see the Point b query).
Point a = paths.front().polyline.points[1]; // second point
Point b = *(paths.back().polyline.points.end()-3); // second to last point
if (was_clockwise) {