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Fix contour extrusion path logic and improve GCode extrusion handling

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This commit is contained in:
Aleksandr Dobkin
2026-03-19 01:32:51 -07:00
parent 4314f5d804
commit 1cc82873f4
3 changed files with 24 additions and 23 deletions
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38
src/libslic3r/ContourZ.cpp
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@@ -63,10 +63,14 @@ static bool contour_extrusion_path(LayerRegion *region, const sla::IndexedMesh &
int num_segments = int(std::ceil(length_mm / resolution_mm));
Vec2d delta = line.vector();
for (int i = 0; i < num_segments+1; i++) {
Vec2d p = p1d + delta*i/num_segments;
if (num_segments == 0) {
continue;
}
coordf_t x = p.x();
for (int i = 0; i < num_segments + 1; i++) {
Vec2d p = p1d + delta * i / num_segments;
coordf_t x = p.x();
coordf_t y = p.y();
sla::IndexedMesh::hit_result hit_up = mesh.query_ray_hit({x, y, mesh_z}, {0.0, 0.0, 1.0});
@@ -116,24 +120,22 @@ static bool contour_extrusion_path(LayerRegion *region, const sla::IndexedMesh &
was_contoured = true;
}
Vec3d new_point = {p.x(), p.y(), d};
Vec3d new_point = {p.x(), p.y(), d};
if (contoured_points.size() > 2) {
double dist = Linef3::distance_to_infinite_squared(
contoured_points[contoured_points.size() - 2],
contoured_points[contoured_points.size() - 1],
new_point);
if (dist < EPSILON) {
contoured_points[contoured_points.size() - 1] = new_point;
continue;
}
}
if (contoured_points.size() >= 2) {
double dist = Linef3::distance_to_infinite_squared(new_point, contoured_points[contoured_points.size() - 2],
contoured_points[contoured_points.size() - 1]);
if (dist < EPSILON * EPSILON) {
contoured_points[contoured_points.size() - 1] = new_point;
continue;
}
}
contoured_points.push_back(new_point);
}
}
contoured_points.push_back(new_point);
}
}
if (!was_contoured) {
if (!was_contoured) {
return false;
}