3DPrinting/PrusaSlicer-NonPlainar
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Slight enhancements in the cascading algorithm.

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This commit is contained in:
tamasmeszaros 2019-03-13 17:29:47 +01:00
parent cea6ca83db
commit c6bae3e251
1 changed files with 12 additions and 19 deletions
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31
src/libslic3r/SLA/SLASupportTree.cpp
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@ -75,7 +75,7 @@ const double SupportConfig::max_solo_pillar_height_mm = 15.0;
const double SupportConfig::max_dual_pillar_height_mm = 35.0;
const double SupportConfig::optimizer_rel_score_diff = 1e-6;
const unsigned SupportConfig::optimizer_max_iterations = 1000;
const unsigned SupportConfig::pillar_cascade_neighbors = 2;
const unsigned SupportConfig::pillar_cascade_neighbors = 3;
const unsigned SupportConfig::max_bridges_on_pillar = 3;
using Coordf = double;
@ -1004,13 +1004,9 @@ class SLASupportTree::Algorithm {
// Now a and b vectors are perpendicular to v and to each other.
// Together they define the plane where we have to iterate with the
// given angles in the 'phis' vector
// std::cout << "Head check begin: " << std::endl;
tbb::parallel_for(size_t(0), phis.size(),
[&phis, &hits, &m, sd, r_pin, r_back, s, a, b, c]
(size_t i)
// for(size_t i = 0; i < phis.size(); ++i)
{
double& phi = phis[i];
double sinphi = std::sin(phi);
@ -1042,9 +1038,6 @@ class SLASupportTree::Algorithm {
if(q.is_inside()) { // the hit is inside the model
if(q.distance() > r_pin + sd) {
// std::cout << "Fatal inside hit. Phi: " << phi << " distance: " << q.distance() << std::endl;
// If we are inside the model and the hit distance is bigger
// than our pin circle diameter, it probably indicates that
// the support point was already inside the model, or there
@ -1055,21 +1048,17 @@ class SLASupportTree::Algorithm {
hits[i] = HitResult(0.0);
}
else {
// std::cout << "Recoverable inside hit. Phi: " << phi << " distance: " << q.distance() << " re-cast dist: " ;
// re-cast the ray from the outside of the object.
// The starting point has an offset of 2*safety_distance
// because the original ray has also had an offset
auto q2 = m.query_ray_hit(ps + (q.distance() + 2*sd)*n, n);
hits[i] = q2;
// std::cout << q2.distance() << std::endl;
}
} else hits[i] = q;
});
auto mit = std::min_element(hits.begin(), hits.end());
// std::cout << "Head check end. Result: " << mit->distance() << std::endl;
return *mit;
}
@ -1896,6 +1885,13 @@ public:
{
Vec3d qp = el.first;
const Pillar& pillar = m_result.pillars()[el.second];
unsigned neighbors = m_cfg.pillar_cascade_neighbors;
// connections are enough for one pillar
if(pillar.links >= neighbors) return;
// Query all remaining points within reach
auto qres = m_pillar_index.query([qp, d](const SpatElement& e){
return distance(e.first, qp) < d;
@ -1907,13 +1903,7 @@ public:
return distance(e1.first, qp) < distance(e2.first, qp);
});
const Pillar& pillar = m_result.pillars()[el.second];
unsigned neighbors = m_cfg.pillar_cascade_neighbors;
for(auto& re : qres) {
// connections are enough for one pillar
if(pillar.links >= neighbors) break;
if(re.second == el.second) continue;
@ -1934,7 +1924,7 @@ public:
pairs.insert(hashval);
// If the interconnection length between the two pillars is
// less than 20% of the longer pillar's height, don't count
// less than 50% of the longer pillar's height, don't count
if(pillar.height < H1 ||
neighborpillar.height / pillar.height > min_height_ratio)
m_result.increment_links(pillar);
@ -1944,6 +1934,9 @@ public:
m_result.increment_links(neighborpillar);
}
// connections are enough for one pillar
if(pillar.links >= neighbors) break;
}
};