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Refactoring and performance optimization for support trees in SLA

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This commit is contained in:
tamasmeszaros 2022-05-11 12:08:32 +02:00
parent 60cd7d4561
commit d23f9d7674
36 changed files with 2995 additions and 2627 deletions
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51
tests/sla_print/sla_test_utils.cpp
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@ -1,6 +1,7 @@
#include "sla_test_utils.hpp"
#include "libslic3r/TriangleMeshSlicer.hpp"
#include "libslic3r/SLA/AGGRaster.hpp"
#include "libslic3r/SLA/DefaultSupportTree.hpp"
#include <iomanip>
@ -15,14 +16,16 @@ void test_support_model_collision(const std::string &obj_filename,
// Set head penetration to a small negative value which should ensure that
// the supports will not touch the model body.
supportcfg.head_penetration_mm = -0.15;
supportcfg.head_penetration_mm = -0.2;
test_supports(obj_filename, supportcfg, hollowingcfg, drainholes, byproducts);
// Slice the support mesh given the slice grid of the model.
std::vector<ExPolygons> support_slices =
byproducts.supporttree.slice(byproducts.slicegrid, CLOSING_RADIUS);
sla::slice(byproducts.supporttree.retrieve_mesh(sla::MeshType::Support),
byproducts.supporttree.retrieve_mesh(sla::MeshType::Pad),
byproducts.slicegrid, CLOSING_RADIUS, {});
// The slices originate from the same slice grid so the numbers must match
bool support_mesh_is_empty =
@ -47,13 +50,15 @@ void test_support_model_collision(const std::string &obj_filename,
notouch = notouch && area(intersections) < PI * pinhead_r * pinhead_r;
}
/*if (!notouch) */export_failed_case(support_slices, byproducts);
if (!notouch)
export_failed_case(support_slices, byproducts);
REQUIRE(notouch);
}
void export_failed_case(const std::vector<ExPolygons> &support_slices, const SupportByproducts &byproducts)
{
bool do_export_stl = false;
for (size_t n = 0; n < support_slices.size(); ++n) {
const ExPolygons &sup_slice = support_slices[n];
const ExPolygons &mod_slice = byproducts.model_slices[n];
@ -68,14 +73,18 @@ void export_failed_case(const std::vector<ExPolygons> &support_slices, const Sup
svg.draw(intersections, "red");
svg.Close();
}
do_export_stl = do_export_stl || !intersections.empty();
}
indexed_triangle_set its;
byproducts.supporttree.retrieve_full_mesh(its);
TriangleMesh m{its};
m.merge(byproducts.input_mesh);
m.WriteOBJFile((Catch::getResultCapture().getCurrentTestName() + "_" +
byproducts.obj_fname).c_str());
if (do_export_stl) {
indexed_triangle_set its;
byproducts.supporttree.retrieve_full_mesh(its);
TriangleMesh m{its};
m.merge(byproducts.input_mesh);
m.WriteOBJFile((Catch::getResultCapture().getCurrentTestName() + "_" +
byproducts.obj_fname).c_str());
}
}
void test_supports(const std::string &obj_filename,
@ -107,7 +116,7 @@ void test_supports(const std::string &obj_filename,
// Create the special index-triangle mesh with spatial indexing which
// is the input of the support point and support mesh generators
sla::IndexedMesh emesh{mesh};
AABBMesh emesh{mesh};
#ifdef SLIC3R_HOLE_RAYCASTER
if (hollowingcfg.enabled)
@ -144,10 +153,16 @@ void test_supports(const std::string &obj_filename,
// Generate the actual support tree
sla::SupportTreeBuilder treebuilder;
sla::SupportableMesh sm{emesh, support_points, supportcfg};
sla::SupportTreeBuildsteps::execute(treebuilder, sm);
check_support_tree_integrity(treebuilder, supportcfg);
switch (sm.cfg.tree_type) {
case sla::SupportTreeType::Default: {
sla::DefaultSupportTree::execute(treebuilder, sm);
check_support_tree_integrity(treebuilder, supportcfg, sla::ground_level(sm));
break;
}
default:;
}
TriangleMesh output_mesh{treebuilder.retrieve_mesh(sla::MeshType::Support)};
check_validity(output_mesh, validityflags);
@ -171,9 +186,9 @@ void test_supports(const std::string &obj_filename,
}
void check_support_tree_integrity(const sla::SupportTreeBuilder &stree,
const sla::SupportTreeConfig &cfg)
const sla::SupportTreeConfig &cfg,
double gnd)
{
double gnd = stree.ground_level;
double H1 = cfg.max_solo_pillar_height_mm;
double H2 = cfg.max_dual_pillar_height_mm;
@ -426,7 +441,7 @@ sla::SupportPoints calc_support_pts(
std::vector<ExPolygons> slices = slice_mesh_ex(mesh.its, heights, CLOSING_RADIUS);
// Prepare the support point calculator
sla::IndexedMesh emesh{mesh};
AABBMesh emesh{mesh};
sla::SupportPointGenerator spgen{emesh, cfg, []{}, [](int){}};
// Calculate the support points