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Use of bounding box of rotated 3D convex hull for out of print volume detection

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This commit is contained in:
Enrico Turri 2018-08-15 12:50:06 +02:00
parent 211790f8c3
commit 4d98d32199
12 changed files with 276 additions and 141 deletions
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36
xs/src/libslic3r/Model.hpp
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@ -105,9 +105,6 @@ public:
// This bounding box is being cached.
const BoundingBoxf3& bounding_box() const;
void invalidate_bounding_box() { m_bounding_box_valid = false; }
// Returns a snug bounding box of the transformed instances.
// This bounding box is not being cached.
BoundingBoxf3 tight_bounding_box(bool include_modifiers) const;
// A mesh containing all transformed instances of this object.
TriangleMesh mesh() const;
@ -157,6 +154,10 @@ private:
class ModelVolume
{
friend class ModelObject;
// The convex hull of this model's mesh.
TriangleMesh m_convex_hull;
public:
std::string name;
// The triangular model.
@ -180,19 +181,32 @@ public:
ModelMaterial* assign_unique_material();
void calculate_convex_hull();
const TriangleMesh& get_convex_hull() const;
private:
// Parent object owning this ModelVolume.
ModelObject* object;
t_model_material_id _material_id;
ModelVolume(ModelObject *object, const TriangleMesh &mesh) : mesh(mesh), modifier(false), object(object) {}
ModelVolume(ModelObject *object, TriangleMesh &&mesh) : mesh(std::move(mesh)), modifier(false), object(object) {}
ModelVolume(ModelObject *object, const ModelVolume &other) :
name(other.name), mesh(other.mesh), config(other.config), modifier(other.modifier), object(object)
{ this->material_id(other.material_id()); }
ModelVolume(ModelObject *object, const ModelVolume &other, const TriangleMesh &&mesh) :
ModelVolume(ModelObject *object, const TriangleMesh &mesh) : mesh(mesh), modifier(false), object(object)
{
if (mesh.stl.stats.number_of_facets > 1)
calculate_convex_hull();
}
ModelVolume(ModelObject *object, TriangleMesh &&mesh, TriangleMesh &&convex_hull) : mesh(std::move(mesh)), m_convex_hull(std::move(convex_hull)), modifier(false), object(object) {}
ModelVolume(ModelObject *object, const ModelVolume &other) :
name(other.name), mesh(other.mesh), m_convex_hull(other.m_convex_hull), config(other.config), modifier(other.modifier), object(object)
{
this->material_id(other.material_id());
}
ModelVolume(ModelObject *object, const ModelVolume &other, const TriangleMesh &&mesh) :
name(other.name), mesh(std::move(mesh)), config(other.config), modifier(other.modifier), object(object)
{ this->material_id(other.material_id()); }
{
this->material_id(other.material_id());
if (mesh.stl.stats.number_of_facets > 1)
calculate_convex_hull();
}
};
// A single instance of a ModelObject.
@ -285,8 +299,6 @@ public:
bool add_default_instances();
// Returns approximate axis aligned bounding box of this model
BoundingBoxf3 bounding_box() const;
// Returns tight axis aligned bounding box of this model
BoundingBoxf3 transformed_bounding_box() const;
void center_instances_around_point(const Pointf &point);
void translate(coordf_t x, coordf_t y, coordf_t z) { for (ModelObject *o : this->objects) o->translate(x, y, z); }
TriangleMesh mesh() const;