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Restore flow calibration special order, overridable via fill order (#14786)

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Mqrius
2026-07-16 14:10:15 +02:00
committed by GitHub
parent 5e7ad1ad70
commit 6d1974a662
6 changed files with 51 additions and 8 deletions
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29
src/libslic3r/Fill/FillPlanePath.cpp
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@@ -134,7 +134,34 @@ void FillPlanePath::_fill_surface_single(
if (!polylines.empty()) {
Polylines chained;
if (params.dont_connect() || params.density > 0.5) {
if (params.fill_order != SurfaceFillOrder::Default) {
// ORCA: special flag for flow rate calibration. The chords chained ahead of the
// inside-out center spiral collide with it in opposing directions, raising a
// tactile lip that the calibration reads. Only applies while the fill order is
// Default, so it can be overridden from the calibration objects.
auto is_flow_calib = params.fill_order == SurfaceFillOrder::Default &&
params.extrusion_role == erTopSolidInfill &&
this->print_object_config->has("calib_flowrate_topinfill_special_order") &&
this->print_object_config->option("calib_flowrate_topinfill_special_order")->getBool() &&
dynamic_cast<FillArchimedeanChords*>(this);
if (is_flow_calib) {
// We want the spiral part to be printed inside-out
// Find the center spiral line first, by looking for the longest one
auto it = std::max_element(polylines.begin(), polylines.end(),
[](const Polyline& a, const Polyline& b) { return a.length() < b.length(); });
Polyline center_spiral = std::move(*it);
// Ensure the spiral is printed from inside to out
if (center_spiral.first_point().squaredNorm() > center_spiral.last_point().squaredNorm()) {
center_spiral.reverse();
}
// Chain the other polylines
polylines.erase(it);
chained = chain_polylines(std::move(polylines), nullptr);
// Then add the center spiral back
chained.push_back(std::move(center_spiral));
} else if (params.fill_order != SurfaceFillOrder::Default) {
// Orca: print the fragments in the order they appear along the generated
// path, which runs from the center outwards. The Euclidean distance from
// the center cannot be used for this: along the Octagram Spiral the radius