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Slicing the supports seems to work fine with the merged mesh.

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This commit is contained in:
tamasmeszaros 2018-11-15 15:14:14 +01:00
parent 08511bfe8b
commit f3d02a5cdf
2 changed files with 99 additions and 87 deletions
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109
src/libslic3r/SLA/SLASupportTree.cpp
View File

@ -416,9 +416,9 @@ struct Pillar {
base.points.emplace_back(ep);
auto& indices = base.indices;
auto hcenter = base.points.size() - 1;
auto lcenter = base.points.size() - 2;
auto offs = steps;
auto hcenter = int(base.points.size() - 1);
auto lcenter = int(base.points.size() - 2);
auto offs = int(steps);
for(int i = 0; i < steps - 1; ++i) {
indices.emplace_back(i, i + offs, offs + i + 1);
indices.emplace_back(i, offs + i + 1, i + 1);
@ -426,7 +426,7 @@ struct Pillar {
indices.emplace_back(lcenter, offs + i + 1, offs + i);
}
auto last = steps - 1;
auto last = int(steps - 1);
indices.emplace_back(0, last, offs);
indices.emplace_back(last, offs + last, offs);
indices.emplace_back(hcenter, last, 0);
@ -720,20 +720,18 @@ public:
return m_pillars.back();
}
const Head& pillar_head(long pillar_id) {
assert(pillar_id > 0 && pillar_id < m_pillars.size());
Pillar& p = m_pillars[pillar_id];
assert(p.starts_from_head && p.start_junction_id > 0 &&
const Head& pillar_head(long pillar_id) const {
assert(pillar_id >= 0 && pillar_id < m_pillars.size());
const Pillar& p = m_pillars[pillar_id];
assert(p.starts_from_head && p.start_junction_id >= 0 &&
p.start_junction_id < m_heads.size() );
meshcache_valid = false;
return m_heads[p.start_junction_id];
}
const Pillar& head_pillar(long headid) {
const Pillar& head_pillar(long headid) const {
assert(headid >= 0 && headid < m_heads.size());
Head& h = m_heads[headid];
assert(h.pillar_id > 0 && h.pillar_id < m_pillars.size());
meshcache_valid = false;
const Head& h = m_heads[headid];
assert(h.pillar_id >= 0 && h.pillar_id < m_pillars.size());
return m_pillars[h.pillar_id];
}
@ -804,7 +802,7 @@ public:
}
BoundingBoxf3&& bb = meshcache.bounding_box();
model_height = bb.max(Z);
model_height = bb.max(Z) - bb.min(Z);
meshcache_valid = true;
return meshcache;
@ -1691,49 +1689,74 @@ void SLASupportTree::merged_mesh_with_pad(TriangleMesh &outmesh) const {
outmesh.merge(get_pad());
}
template<class T> void slice_part(const T& inp,
std::vector<SlicedSupports>& mergev,
const std::vector<float>& heights)
{
for(auto& part : inp) {
TriangleMesh&& m = mesh(part.mesh);
TriangleMeshSlicer slicer(&m);
SlicedSupports slout;
slicer.slice(heights, &slout, [](){});
//void slice_mesh(const Contour3D& cntr,
// std::vector<SlicedSupports>& mergev,
// const std::vector<float>& heights)
//{
// TriangleMesh&& m = mesh(cntr);
// TriangleMeshSlicer slicer(&m);
// SlicedSupports slout;
// slicer.slice(heights, &slout, [](){});
for(size_t i = 0; i < slout.size(); i++) {
// move the layers obtained from this mesh to the merge area
mergev[i].emplace_back(std::move(slout[i]));
}
}
}
// for(size_t i = 0; i < slout.size(); i++) {
// // move the layers obtained from this mesh to the merge area
// mergev[i].emplace_back(std::move(slout[i]));
// }
//}
//template<class T> void slice_part(const T& inp,
// std::vector<SlicedSupports>& mergev,
// const std::vector<float>& heights)
//{
// for(auto& part : inp) {
// slice_mesh(part.mesh, mergev, heights);
// }
//}
SlicedSupports SLASupportTree::slice(float layerh, float init_layerh) const
{
if(init_layerh < 0) init_layerh = layerh;
auto& stree = get();
const float modelh = stree.full_height();
const auto modelh = float(stree.full_height());
std::vector<float> heights; heights.reserve(size_t(modelh/layerh) + 1);
for(float h = init_layerh; h <= modelh; h += layerh) {
auto gndlvl = float(this->m_impl->ground_level);
std::vector<float> heights = {gndlvl};
heights.reserve(size_t(modelh/layerh) + 1);
for(float h = gndlvl + init_layerh; h < gndlvl + modelh; h += layerh) {
heights.emplace_back(h);
}
std::vector<SlicedSupports> mergev(heights.size());
TriangleMesh fullmesh = m_impl->merged_mesh();
TriangleMeshSlicer slicer(&fullmesh);
SlicedSupports ret;
slicer.slice(heights, &ret, [](){});
slice_part(stree.heads(), mergev, heights);
slice_part(stree.pillars(), mergev, heights);
slice_part(stree.junctions(), mergev, heights);
slice_part(stree.bridges(), mergev, heights);
slice_part(stree.compact_bridges(), mergev, heights);
// std::vector<SlicedSupports> mergev(heights.size());
// TODO: do this for all
// slice_part(stree.heads(), mergev, heights);
// slice_part(stree.pillars(), mergev, heights);
// for(auto& pillar : stree.pillars()) slice_mesh(pillar.base, mergev, heights);
// slice_part(stree.junctions(), mergev, heights);
//// slice_part(stree.bridges(), mergev, heights);
//// slice_part(stree.compact_bridges(), mergev, heights);
for(SlicedSupports& level : mergev) {
// TODO merge all expolygon in the current level
}
// // TODO: slicing base pool geometry
return {};
// // We could make a union of the slices at the same height level but at the
// // end they will be loaded into the rasterizer and it will unite them
// // anyway.
// SlicedSupports ret; ret.reserve(mergev.size());
// for(SlicedSupports& level : mergev) {
// size_t count = 0;
// for(auto& v : level) count += v.size();
// ret.emplace_back(); auto& merg = ret.back(); merg.reserve(count);
// for(ExPolygons& v : level)
// for(ExPolygon& ex : v) merg.emplace_back(ex);
// }
return ret;
}
const TriangleMesh &SLASupportTree::add_pad(double min_wall_thickness_mm,

77
src/libslic3r/SLAPrint.cpp
View File

@ -138,8 +138,10 @@ void SLAPrint::process()
auto bb3d = mesh.bounding_box();
auto H = bb3d.max(Z) - bb3d.min(Z);
std::vector<float> heights = {ilh};
for(float h = ilh; h < H; h += lh) heights.emplace_back(h);
auto gnd = float(bb3d.min(Z));
std::vector<float> heights = {gnd};
for(float h = gnd + ilh; h < gnd + H; h += lh) heights.emplace_back(h);
auto& layers = po.m_model_slices;
slicer.slice(heights, &layers, [](){});
};
@ -163,6 +165,8 @@ void SLAPrint::process()
// In this step we create the supports
auto support_tree = [this](SLAPrintObject& po) {
if(!po.m_supportdata) return;
auto& emesh = po.m_supportdata->emesh;
auto& pts = po.m_supportdata->support_points; // nowhere filled yet
try {
@ -190,17 +194,18 @@ void SLAPrint::process()
// this step can only go after the support tree has been created
// and before the supports had been sliced. (or the slicing has to be
// repeated)
if(po.is_step_done(slaposSupportTree) &&
po.m_supportdata &&
po.m_supportdata->support_tree_ptr)
{
double wt = po.m_config.pad_wall_thickness.getFloat();
double h = po.m_config.pad_wall_height.getFloat();
double md = po.m_config.pad_max_merge_distance.getFloat();
double er = po.m_config.pad_edge_radius.getFloat();
po.m_supportdata->support_tree_ptr->add_pad(wt, h, md, er);
}
// if(po.is_step_done(slaposSupportTree) &&
// po.m_supportdata &&
// po.m_supportdata->support_tree_ptr)
// {
// double wt = po.m_config.pad_wall_thickness.getFloat();
// double h = po.m_config.pad_wall_height.getFloat();
// double md = po.m_config.pad_max_merge_distance.getFloat();
// double er = po.m_config.pad_edge_radius.getFloat();
// po.m_supportdata->support_tree_ptr->add_pad(wt, h, md, er);
// }
};
// Slicing the support geometries similarly to the model slicing procedure.
@ -211,6 +216,7 @@ void SLAPrint::process()
if(sd && sd->support_tree_ptr) {
auto lh = float(po.m_config.layer_height.getFloat());
sd->support_slices = sd->support_tree_ptr->slice(lh, ilh);
std::cout << "support slice count " << sd->support_slices.size() << std::endl;
}
};
@ -232,7 +238,6 @@ void SLAPrint::process()
// For all print objects, go through its initial layers and place them
// into the layers hash
// long long initlyridx = static_cast<long long>(scale_(ilh));
for(SLAPrintObject *o : m_objects) {
double lh = o->m_config.layer_height.getFloat();
std::vector<ExPolygons> & oslices = o->m_model_slices;
@ -243,8 +248,11 @@ void SLAPrint::process()
lyrs.emplace_back(oslices[i], o->m_instances);
}
std::cout << "model slice count at rasterization: " << oslices.size() << std::endl;
if(o->m_supportdata) { // deal with the support slices if present
auto& sslices = o->m_supportdata->support_slices;
std::cout << "support slice count at rasterization: " << o->m_supportdata->support_slices.size() << std::endl;
for(int i = 0; i < sslices.size(); ++i) {
double h = ilh + i * lh;
@ -253,32 +261,14 @@ void SLAPrint::process()
lyrs.emplace_back(sslices[i], o->m_instances);
}
}
// auto& oslices = o->m_model_slices;
// auto& firstlyr = oslices.front();
// auto& initlevel = levels[initlyridx];
// initlevel.emplace_back(firstlyr, o->m_instances);
// // now push the support slices as well
// // TODO
// double lh = o->m_config.layer_height.getFloat();
// size_t li = 1;
// for(auto lit = std::next(oslices.begin());
// lit != oslices.end();
// ++lit)
// {
// double h = ilh + li++ * lh;
// long long lyridx = static_cast<long long>(scale_(h));
// auto& lyrs = levels[lyridx];
// lyrs.emplace_back(*lit, o->m_instances);
// }
}
// collect all the keys
std::vector<long long> keys; keys.reserve(levels.size());
for(auto& e : levels) keys.emplace_back(e.first);
std::cout << "levels count at rasterization " << levels.size() << std::endl;
{ // create a raster printer for the current print parameters
// I don't know any better
auto& ocfg = m_objects.front()->m_config;
@ -305,26 +295,25 @@ void SLAPrint::process()
auto lvlfn = [&keys, &levels, &printer](unsigned level_id) {
LayerRefs& lrange = levels[keys[level_id]];
for(auto& lyrref : lrange) { // for all layers in the current level
const Layer& l = lyrref.lref; // get the layer reference
const LayerCopies& copies = lyrref.copies;
ExPolygonCollection sl = l;
// Switch to the appropriate layer in the printer
printer.begin_layer(level_id);
// Switch to the appropriate layer in the printer
printer.begin_layer(level_id);
for(auto& lyrref : lrange) { // for all layers in the current level
const Layer& sl = lyrref.lref; // get the layer reference
const LayerCopies& copies = lyrref.copies;
// Draw all the polygons in the slice to the actual layer.
for(auto& cp : copies) {
for(ExPolygon slice : sl.expolygons) {
for(ExPolygon slice : sl) {
slice.translate(cp.shift(X), cp.shift(Y));
slice.rotate(cp.rotation);
printer.draw_polygon(slice, level_id);
}
}
// Finish the layer for later saving it.
printer.finish_layer(level_id);
}
// Finish the layer for later saving it.
printer.finish_layer(level_id);
};
// Sequential version (for testing)
@ -387,7 +376,7 @@ void SLAPrint::process()
};
// TODO: enable rasterizing
m_stepmask[slapsRasterize] = false;
// m_stepmask[slapsRasterize] = false;
for(size_t s = 0; s < print_program.size(); ++s) {
auto currentstep = printsteps[s];