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Force the 'nearest' strategy for starting skirt loops

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This commit is contained in:
Alessandro Ranellucci 2015-12-21 15:02:39 +01:00
parent 1a286fc906
commit 7c8b71012c
5 changed files with 14 additions and 6 deletions
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9
xs/src/libslic3r/GCode.cpp
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@ -316,12 +316,15 @@ GCode::extrude(ExtrusionLoop loop, std::string description, double speed)
// extrude all loops ccw
bool was_clockwise = loop.make_counter_clockwise();
SeamPosition seam_position = this->config.seam_position;
if (loop.role == elrSkirt) seam_position = spNearest;
// find the point of the loop that is closest to the current extruder position
// or randomize if requested
Point last_pos = this->last_pos();
if (this->config.spiral_vase) {
loop.split_at(last_pos);
} else if (this->config.seam_position == spNearest || this->config.seam_position == spAligned) {
} else if (seam_position == spNearest || seam_position == spAligned) {
const Polygon polygon = loop.polygon();
// simplify polygon in order to skip false positives in concave/convex detection
@ -356,7 +359,7 @@ GCode::extrude(ExtrusionLoop loop, std::string description, double speed)
}
Point point;
if (this->config.seam_position == spNearest) {
if (seam_position == spNearest) {
if (candidates.empty()) candidates = polygon.points;
last_pos.nearest_point(candidates, &point);
@ -382,7 +385,7 @@ GCode::extrude(ExtrusionLoop loop, std::string description, double speed)
}
if (this->layer != NULL)
this->_seam_position[this->layer->object()] = point;
} else if (this->config.seam_position == spRandom) {
} else if (seam_position == spRandom) {
if (loop.role == elrContourInternalPerimeter) {
Polygon polygon = loop.polygon();
Point centroid = polygon.centroid();