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Base plate creation improvements. Added sla parameter for support elevation.

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This commit is contained in:
tamasmeszaros 2018-11-16 15:01:31 +01:00
parent a94c604423
commit 1e0d8b245c
5 changed files with 35 additions and 12 deletions
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25
src/libslic3r/SLA/SLABasePool.cpp
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@ -418,17 +418,32 @@ ExPolygons concave_hull(const ExPolygons& polys, double max_dist_mm = 50)
return punion;
}
void base_plate(const TriangleMesh &mesh, ExPolygons &output, float h)
void base_plate(const TriangleMesh &mesh, ExPolygons &output, float h,
float layerh)
{
TriangleMesh m = mesh;
TriangleMeshSlicer slicer(&m);
TriangleMesh upper, lower;
slicer.cut(h, &upper, &lower);
// TriangleMesh upper, lower;
// slicer.cut(h, &upper, &lower);
// TODO: this might be slow
output = lower.horizontal_projection();
// TODO: this might be slow (in fact it was)
// output = lower.horizontal_projection();
auto bb = mesh.bounding_box();
float gnd = float(bb.min(Z));
std::vector<float> heights = {float(bb.min(Z))};
for(float hi = gnd + layerh; hi <= gnd + h; hi += layerh)
heights.emplace_back(hi);
std::vector<ExPolygons> out; out.reserve(size_t(std::ceil(h/layerh)));
slicer.slice(heights, &out, [](){});
size_t count = 0; for(auto& o : out) count += o.size();
ExPolygons tmp; tmp.reserve(count);
for(auto& o : out) for(auto& e : o) tmp.emplace_back(std::move(e));
output = unify(tmp);
for(auto& o : output) o = o.simplify(0.1/SCALING_FACTOR).front();
}