improve seam performance (#5436)

SoftFever · May 23, 2024 · b665dfb · b665dfb
1 parent 0a7f787
commit b665dfb
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/src/libslic3r/GCode/SeamPlacer.cpp b/src/libslic3r/GCode/SeamPlacer.cpp
@@ -1073,7 +1073,7 @@ void SeamPlacer::calculate_overhangs_and_layer_embedding(const PrintObject *po)
                           if (prev_layer_distancer.get() != nullptr) {
                             const auto _dist = prev_layer_distancer->distance_from_lines<true>(point.cast<double>());
                             perimeter_point.overhang = _dist
-                                                       + 0.6f * perimeter_point.perimeter.flow_width
+                                                       + 0.65f * perimeter_point.perimeter.flow_width
                                                        - tan(SeamPlacer::overhang_angle_threshold)
                                                              * po->layers()[layer_idx]->height;
                             perimeter_point.overhang =
@@ -1083,7 +1083,7 @@ void SeamPlacer::calculate_overhangs_and_layer_embedding(const PrintObject *po)
 
                           if (should_compute_layer_embedding) { // search for embedded perimeter points (points hidden inside the print ,e.g. multimaterial join, best position for seam)
                             perimeter_point.embedded_distance = current_layer_distancer->distance_from_lines<true>(point.cast<double>())
-                                                                + 0.6f * perimeter_point.perimeter.flow_width;
+                                                                + 0.65f * perimeter_point.perimeter.flow_width;
                           }
                         }
 

diff --git a/src/libslic3r/GCode/SeamPlacer.hpp b/src/libslic3r/GCode/SeamPlacer.hpp
@@ -119,7 +119,7 @@ class SeamPlacer {
   // snapping angle - angles larger than this value will be snapped to during seam painting
   static constexpr float sharp_angle_snapping_threshold = 55.0f * float(PI) / 180.0f;
   // overhang angle for seam placement that still yields good results, in degrees, measured from vertical direction
-  static constexpr float overhang_angle_threshold = 50.0f * float(PI) / 180.0f;
+  static constexpr float overhang_angle_threshold = 45.0f * float(PI) / 180.0f;
 
   // determines angle importance compared to visibility ( neutral value is 1.0f. )
   static constexpr float angle_importance_aligned = 0.6f;