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implemented smooth angle penalty function

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Godrak 2022-03-04 18:30:42 +01:00 committed by PavelMikus
parent a92d5038bd
commit ab3c8d0fe8
2 changed files with 12 additions and 13 deletions
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21
src/libslic3r/GCode/SeamPlacerNG.cpp
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@ -682,13 +682,12 @@ struct SeamComparator {
} }
//TODO "bump function": e^[1 / ( (x-0.3)^2 +1 )] -1 << =ℯ^(((1)/((x-0.3)^(2)+1)))-1 //"gaussian bump function": e^(1/((x-0.15)^2+1))-1
float compute_angle_penalty(float ccw_angle) const { float compute_angle_penalty(float ccw_angle) const {
if (ccw_angle >= -0.4) { float shifted = ccw_angle - 0.15;
return PI * PI - ccw_angle * ccw_angle; float pow2 = shifted*shifted;
} else { float exponent = 1.0f / (pow2 +1);
return (PI * PI - ccw_angle * ccw_angle) * 0.7f; return std::exp(exponent) - 1;
}
} }
// Standard comparator, must respect the requirements of comparators (e.g. give same result on same inputs) for sorting usage // Standard comparator, must respect the requirements of comparators (e.g. give same result on same inputs) for sorting usage
@ -1068,9 +1067,9 @@ void SeamPlacer::align_seam_points(const PrintObject *po, const Comparator &comp
perimeter->aligned = true; perimeter->aligned = true;
} }
// for (Vec3f& p : points){ for (Vec3f& p : points){
// p = get_fitted_point(coefficients, p.z()); p = get_fitted_point(coefficients, p.z());
// } }
// for (size_t iteration = 0; iteration < 20; ++iteration) { // for (size_t iteration = 0; iteration < 20; ++iteration) {
// std::vector<Vec3f> new_points(seam_string.size()); // std::vector<Vec3f> new_points(seam_string.size());
@ -1079,8 +1078,8 @@ void SeamPlacer::align_seam_points(const PrintObject *po, const Comparator &comp
// size_t next_idx = point_index < points.size() - 1 ? point_index + 1 : point_index; // size_t next_idx = point_index < points.size() - 1 ? point_index + 1 : point_index;
// //
// new_points[point_index] = (points[prev_idx] * weights[prev_idx] // new_points[point_index] = (points[prev_idx] * weights[prev_idx]
// + points[next_idx] * weights[next_idx]) / // +points[point_index] * weights[point_index]+ points[next_idx] * weights[next_idx]) /
// (weights[prev_idx] + weights[next_idx]); // (weights[prev_idx] + weights[point_index]+ weights[next_idx]);
// } // }
// points = new_points; // points = new_points;
// } // }

4
src/libslic3r/GCode/SeamPlacerNG.hpp
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@ -108,10 +108,10 @@ public:
static constexpr float cosine_hemisphere_sampling_power = 5.0f; static constexpr float cosine_hemisphere_sampling_power = 5.0f;
// arm length used during angles computation // arm length used during angles computation
static constexpr float polygon_local_angles_arm_distance = 1.0f; static constexpr float polygon_local_angles_arm_distance = 0.4f;
// If enforcer or blocker is closer to the seam candidate than this limit, the seam candidate is set to Blocker or Enforcer // If enforcer or blocker is closer to the seam candidate than this limit, the seam candidate is set to Blocker or Enforcer
static constexpr float enforcer_blocker_distance_tolerance = 0.1f; static constexpr float enforcer_blocker_distance_tolerance = 0.2f;
// When searching for seam clusters for alignment: // When searching for seam clusters for alignment:
// seam_align_tolerable_dist - if seam is closer to the previous seam position projected to the current layer than this value, // seam_align_tolerable_dist - if seam is closer to the previous seam position projected to the current layer than this value,