void
ModelObject::split(ModelObjectPtrs* new_objects)
{
if (this->volumes.size() > 1) {
// We can't split meshes if there's more than one volume, because
// we can't group the resulting meshes by object afterwards
new_objects->push_back(this);
return;
}
ModelVolume* volume = this->volumes.front();
TriangleMeshPtrs meshptrs = volume->mesh.split();
for (TriangleMeshPtrs::iterator mesh = meshptrs.begin(); mesh != meshptrs.end(); ++mesh) {
(*mesh)->repair();
ModelObject* new_object = this->model->add_object(*this, false);
new_object->input_file = "";
new_object->part_number = this->part_number; //According to 3mf part number should be given to the split parts.
ModelVolume* new_volume = new_object->add_volume(**mesh);
new_volume->name = volume->name;
new_volume->config = volume->config;
new_volume->modifier = volume->modifier;
new_volume->material_id(volume->material_id());
new_objects->push_back(new_object);
delete *mesh;
}
return;
}
void
ModelObject::cut(Axis axis, coordf_t z, Model* model) const
{
// clone this one to duplicate instances, materials etc.
ModelObject* upper = model->add_object(*this);
ModelObject* lower = model->add_object(*this);
upper->clear_volumes();
lower->clear_volumes();
upper->input_file = "";
lower->input_file = "";
for (ModelVolumePtrs::const_iterator v = this->volumes.begin(); v != this->volumes.end(); ++v) {
ModelVolume* volume = *v;
if (volume->modifier) {
// don't cut modifiers
upper->add_volume(*volume);
lower->add_volume(*volume);
} else {
TriangleMesh upper_mesh, lower_mesh;
if (axis == X) {
TriangleMeshSlicer<X>(&volume->mesh).cut(z, &upper_mesh, &lower_mesh);
} else if (axis == Y) {
TriangleMeshSlicer<Y>(&volume->mesh).cut(z, &upper_mesh, &lower_mesh);
} else if (axis == Z) {
TriangleMeshSlicer<Z>(&volume->mesh).cut(z, &upper_mesh, &lower_mesh);
}
upper_mesh.repair();
lower_mesh.repair();
upper_mesh.reset_repair_stats();
lower_mesh.reset_repair_stats();
if (upper_mesh.facets_count() > 0) {
ModelVolume* vol = upper->add_volume(upper_mesh);
vol->name = volume->name;
vol->config = volume->config;
vol->set_material(volume->material_id(), *volume->material());
}
if (lower_mesh.facets_count() > 0) {
ModelVolume* vol = lower->add_volume(lower_mesh);
vol->name = volume->name;
vol->config = volume->config;
vol->set_material(volume->material_id(), *volume->material());
}
}
}
}
void
ModelObject::cut(coordf_t z, Model* model) const
{
// clone this one to duplicate instances, materials etc.
ModelObject* upper = model->add_object(*this);
ModelObject* lower = model->add_object(*this);
upper->clear_volumes();
lower->clear_volumes();
for (ModelVolumePtrs::const_iterator v = this->volumes.begin(); v != this->volumes.end(); ++v) {
ModelVolume* volume = *v;
if (volume->modifier) {
// don't cut modifiers
upper->add_volume(*volume);
lower->add_volume(*volume);
} else {
TriangleMeshSlicer tms(&volume->mesh);
TriangleMesh upper_mesh, lower_mesh;
// TODO: shouldn't we use object bounding box instead of per-volume bb?
tms.cut(z + volume->mesh.bounding_box().min.z, &upper_mesh, &lower_mesh);
upper_mesh.repair();
lower_mesh.repair();
upper_mesh.reset_repair_stats();
lower_mesh.reset_repair_stats();
if (upper_mesh.facets_count() > 0) {
ModelVolume* vol = upper->add_volume(upper_mesh);
vol->name = volume->name;
vol->config = volume->config;
vol->set_material(volume->material_id(), *volume->material());
}
if (lower_mesh.facets_count() > 0) {
ModelVolume* vol = lower->add_volume(lower_mesh);
vol->name = volume->name;
vol->config = volume->config;
vol->set_material(volume->material_id(), *volume->material());
}
}
}
}
ModelVolume::ModelVolume(ModelObject* object, const ModelVolume &other)
: object(object), mesh(other.mesh), config(other.config), modifier(other.modifier)
{
this->material_id(other.material_id());
}