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Expose lightning infill angles (#13848)

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* expose lightning infill angles

Update PrintObject.cpp

* Update src/libslic3r/PrintConfig.cpp

* Apply suggestions from code review

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

* Update GUI_Factories.cpp

* Fix lightning infill angles to 45 degrees for supports

Updated lightning infill angles to fixed values for consistency.

---------

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Rodrigo Faselli
2026-05-31 13:12:49 -03:00
committed by GitHub
parent 4d05ba0d02
commit 8548e5ca96
8 changed files with 53 additions and 4 deletions
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8
src/libslic3r/Fill/Lightning/Generator.cpp
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@@ -89,9 +89,9 @@ Generator::Generator(const PrintObject &print_object, const std::function<void()
m_supporting_radius = coord_t(m_infill_extrusion_width) * 100 * n_multiline / region_config.sparse_infill_density;
const double lightning_infill_overhang_angle = M_PI / 4; // 45 degrees
const double lightning_infill_prune_angle = M_PI / 4; // 45 degrees
const double lightning_infill_straightening_angle = M_PI / 4; // 45 degrees
const double lightning_infill_overhang_angle = region_config.lightning_overhang_angle.value * M_PI / 180.0;
const double lightning_infill_prune_angle = region_config.lightning_prune_angle.value * M_PI / 180.0;
const double lightning_infill_straightening_angle = region_config.lightning_straightening_angle.value * M_PI / 180.0;
m_wall_supporting_radius = coord_t(layer_thickness * std::tan(lightning_infill_overhang_angle));
m_prune_length = coord_t(layer_thickness * std::tan(lightning_infill_prune_angle));
m_straightening_max_distance = coord_t(layer_thickness * std::tan(lightning_infill_straightening_angle));
@@ -128,7 +128,7 @@ Generator::Generator(PrintObject* m_object, std::vector<Polygons>& contours, std
//TODO: decide whether enable density controller in advanced options or not
density = std::max(0.15f, density);
m_supporting_radius = coord_t(m_infill_extrusion_width) / density;
// Keep support-lightning behavior fixed and independent of user print-region angles.
const double lightning_infill_overhang_angle = M_PI / 4; // 45 degrees
const double lightning_infill_prune_angle = M_PI / 4; // 45 degrees
const double lightning_infill_straightening_angle = M_PI / 4; // 45 degrees