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SLA support points - minor adjustments

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This commit is contained in:
Lukas Matena 2019-02-04 10:56:49 +01:00
parent 24a0fdb844
commit fab3025107
2 changed files with 16 additions and 12 deletions
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15
src/libslic3r/SLA/SLAAutoSupports.cpp
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@ -111,8 +111,11 @@ void SLAAutoSupports::process(const std::vector<ExPolygons>& slices, const std::
m_structures_new.back().structures_below.push_back(&s);
coord_t centroids_dist = (bottom->contour.centroid() - polygon.contour.centroid()).norm();
float mult = std::min(1.f, 1.f - std::min(1.f, (1600.f * layer_height) * (float)(centroids_dist * centroids_dist) / (float)bottom->area()));
s.supports_force *= mult;
// Penalization resulting from centroid offset:
s.supports_force *= std::min(1.f, 1.f - std::min(1.f, (1600.f * layer_height) * (float)(centroids_dist * centroids_dist) / (float)bottom->area()));
// Penalization resulting from increasing polygon area:
s.supports_force *= std::min(1.f, 20.f * ((float)bottom->area() / (float)polygon.area()));
}
}
@ -165,10 +168,10 @@ void SLAAutoSupports::process(const std::vector<ExPolygons>& slices, const std::
}
e = diff_ex(ExPolygons{*s.polygon}, e);
// Penalization resulting from large diff from the last layer:
s.supports_force /= std::max(1., (layer_height / 0.3f) * (e_area / (s.polygon->area()*SCALING_FACTOR*SCALING_FACTOR)));
if ( (s.polygon->area() * pow(SCALING_FACTOR, 2)) * m_config.tear_pressure > s.supports_force) {
ExPolygons::iterator largest_it = std::max_element(e.begin(), e.end(), [](const ExPolygon& a, const ExPolygon& b) { return a.area() < b.area(); });
if (!e.empty())
@ -215,7 +218,7 @@ void SLAAutoSupports::uniformly_cover(const ExPolygon& island, Structure& struct
std::vector<Vec3d> island_new_points;
const BoundingBox& bb = get_extents(island);
const int refused_limit = 30;
const int refused_limit = 30 * ((float)bb.size()(0)*bb.size()(1) / (float)island.area());
int refused_points = 0;
while (refused_points < refused_limit) {
Point out;