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Avoid placement of seams on bridging perimeters, if random seam is enabled.

Browse source 
https://github.com/alexrj/Slic3r/issues/3526#issuecomment-263125049
This commit is contained in:
bubnikv 2017-02-02 18:49:33 +01:00
parent 4256af22ff
commit 7e6390c4b6
4 changed files with 35 additions and 19 deletions
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6
xs/src/libslic3r/GCode.cpp
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@ -571,7 +571,7 @@ GCode::extrude(ExtrusionLoop loop, std::string description, double speed)
// or randomize if requested
Point last_pos = this->last_pos();
if (this->config.spiral_vase) {
loop.split_at(last_pos);
loop.split_at(last_pos, false);
} else if (seam_position == spNearest || seam_position == spAligned) {
Polygon polygon = loop.polygon();
const coordf_t nozzle_dmr = EXTRUDER_CONFIG(nozzle_diameter);
@ -682,7 +682,7 @@ GCode::extrude(ExtrusionLoop loop, std::string description, double speed)
// Split the loop at the point with a minium penalty.
if (!loop.split_at_vertex(polygon.points[idx_min]))
// The point is not in the original loop. Insert it.
loop.split_at(polygon.points[idx_min]);
loop.split_at(polygon.points[idx_min], true);
} else if (seam_position == spRandom) {
if (loop.role == elrContourInternalPerimeter) {
@ -696,7 +696,7 @@ GCode::extrude(ExtrusionLoop loop, std::string description, double speed)
last_pos = Point(polygon.bounding_box().max.x, centroid.y);
last_pos.rotate(fmod((float)rand()/16.0, 2.0*PI), centroid);
}
loop.split_at(last_pos);
loop.split_at(last_pos, true);
}
// clip the path to avoid the extruder to get exactly on the first point of the loop;