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SLA gizmo now does not make redundant copies of the object and supports meshes

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This commit is contained in:
Lukas Matena 2019-04-15 22:24:10 +02:00
parent f33e9bf609
commit 63ce3c3150
3 changed files with 16 additions and 12 deletions
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4
src/libslic3r/SLA/SLASupportTree.cpp
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@ -817,6 +817,10 @@ public:
meshcache = mesh(merged);
// The mesh will be passed by const-pointer to TriangleMeshSlicer,
// which will need this.
meshcache.require_shared_vertices();
// TODO: Is this necessary?
//meshcache.repair();

20
src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
View file

@ -145,7 +145,7 @@ void GLGizmoSlaSupports::render_clipping_plane(const Selection& selection, const
// Now initialize the TMS for the object, perform the cut and save the result.
if (! m_tms) {
m_tms.reset(new TriangleMeshSlicer);
m_tms->init(const_cast<TriangleMesh*>(&m_mesh), [](){});
m_tms->init(m_mesh, [](){});
}
std::vector<ExPolygons> list_of_expolys;
m_tms->set_up_direction(up);
@ -176,10 +176,10 @@ void GLGizmoSlaSupports::render_clipping_plane(const Selection& selection, const
if (!m_supports_tms || (int)timestamp != m_old_timestamp) {
// The timestamp has changed - stash the mesh and initialize the TMS.
m_supports_mesh = print_object->support_mesh();
m_supports_mesh = &print_object->support_mesh();
m_supports_tms.reset(new TriangleMeshSlicer);
m_supports_mesh.require_shared_vertices(); // TriangleMeshSlicer needs this
m_supports_tms->init(const_cast<TriangleMesh*>(&m_supports_mesh), [](){});
// The mesh should already have the shared vertices calculated.
m_supports_tms->init(m_supports_mesh, [](){});
m_old_timestamp = timestamp;
}
@ -410,10 +410,12 @@ void GLGizmoSlaSupports::update_mesh()
wxBusyCursor wait;
Eigen::MatrixXf& V = m_V;
Eigen::MatrixXi& F = m_F;
// We rely on SLA model object having a single volume,
// this way we can use that mesh directly.
// This mesh does not account for the possible Z up SLA offset.
m_mesh = m_model_object->raw_mesh();
m_mesh.require_shared_vertices(); // TriangleMeshSlicer needs this
const stl_file& stl = m_mesh.stl;
m_mesh = &m_model_object->volumes.front()->mesh;
const_cast<TriangleMesh*>(m_mesh)->require_shared_vertices(); // TriangleMeshSlicer needs this
const stl_file& stl = m_mesh->stl;
V.resize(3 * stl.stats.number_of_facets, 3);
F.resize(stl.stats.number_of_facets, 3);
for (unsigned int i=0; i<stl.stats.number_of_facets; ++i) {
@ -1051,9 +1053,7 @@ void GLGizmoSlaSupports::on_set_state()
m_editing_mode = false; // so it is not active next time the gizmo opens
m_editing_mode_cache.clear();
m_clipping_plane_distance = 0.f;
// Release copy of the mesh, triangle slicer and the AABB spatial search structure.
m_mesh.clear();
m_supports_mesh.clear();
// Release triangle mesh slicer and the AABB spatial search structure.
m_AABB.deinit();
m_V = Eigen::MatrixXf();
m_F = Eigen::MatrixXi();

4
src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.hpp
View file

@ -36,8 +36,8 @@ private:
Eigen::MatrixXf m_V; // vertices
Eigen::MatrixXi m_F; // facets indices
igl::AABB<Eigen::MatrixXf,3> m_AABB;
TriangleMesh m_mesh;
mutable TriangleMesh m_supports_mesh;
const TriangleMesh* m_mesh;
mutable const TriangleMesh* m_supports_mesh;
mutable std::vector<Vec2f> m_triangles;
mutable std::vector<Vec2f> m_supports_triangles;
mutable int m_old_timestamp = -1;