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supermerill 2019-04-25 19:43:43 +02:00
parent 7b71d74b38
commit 6df17e1dd1
2 changed files with 37 additions and 4 deletions
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36
src/libslic3r/MedialAxis.cpp
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@ -978,8 +978,12 @@ MedialAxis::main_fusion(ThickPolylines& pp)
if (polyline.width[idx_point] > max_width)
polyline.width[idx_point] = max_width;
//failsafe: try to not go out of the radius of the section, take the width of the merging point for that. (and with some offset)
if (find_main_branch && polyline.width[idx_point] > pp[biggest_main_branch_id].width.front() * 1.1)
polyline.width[idx_point] = pp[biggest_main_branch_id].width.front() * 1.1;
coord_t main_branch_width = pp[biggest_main_branch_id].width.front();
coord_t main_branch_dist = pp[biggest_main_branch_id].points.front().distance_to(polyline.points[idx_point]);
coord_t max_width_from_main = std::sqrt(main_branch_width*main_branch_width + main_branch_dist*main_branch_dist);
if (find_main_branch && polyline.width[idx_point] > max_width_from_main)
polyline.width[idx_point] = max_width_from_main;
//std::cout << "main fusion, max dist : " << max_width_from_main << "\n";
++idx_point;
}
@ -1322,10 +1326,12 @@ MedialAxis::ensure_not_overextrude(ThickPolylines& pp)
ExPolygon
MedialAxis::simplify_polygon_frontier()
{
//simplify the boundary between us and the bounds.
//it will remove every point in the surface contour that aren't on the bounds contour
ExPolygon simplified_poly = this->surface;
simplified_poly.contour.remove_colinear_points(SCALED_EPSILON);
for (Polygon &hole : simplified_poly.holes)
hole.remove_colinear_points(SCALED_EPSILON);
//it will remove every point in the surface contour that aren't on the bounds contour
if (&this->surface != &this->bounds) {
bool need_intersect = false;
for (size_t i = 0; i < simplified_poly.contour.points.size(); i++) {
@ -1483,6 +1489,13 @@ MedialAxis::build(ThickPolylines* polylines_out) {
for (ThickPolylines::const_iterator it = pp.begin(); it != pp.end(); ++it)
max_w = std::max(max_w, *std::max_element(it->width.begin(), it->width.end()));
//for (auto &p : pp) {
// std::cout << "Start polyline : ";
// for (auto &w : p.width) {
// std::cout << ", " << w;
// }
// std::cout << "\n";
//}
fusion_curve(pp);
//{
@ -1521,6 +1534,13 @@ MedialAxis::build(ThickPolylines* polylines_out) {
extends_line_both_side(pp);
}
/*for (auto &p : pp) {
std::cout << "Fusion polyline : ";
for (auto &w : p.width) {
std::cout << ", " << w;
}
std::cout << "\n";
}*/
//reduce extrusion when it's too thin to be printable
remove_too_thin_extrusion(pp);
//{
@ -1605,6 +1625,14 @@ MedialAxis::build(ThickPolylines* polylines_out) {
// svg.Close();
//}
//for (auto &p : pp) {
// std::cout << " polyline : ";
// for (auto &w : p.width) {
// std::cout << ", " << w;
// }
// std::cout << "\n";
//}
polylines_out->insert(polylines_out->end(), pp.begin(), pp.end());
}

5
src/test/libslic3r/test_thin.cpp
View File

@ -294,6 +294,11 @@ SCENARIO("thin walls: ")
}
GIVEN("1° rotated tooths")
{
}
GIVEN("narrow trapezoid")
{
ExPolygon expolygon;