3D-printing/OrcaSlicer
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Implemented support enforcers / blockers.

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Reduced amount of full support interfaces similar to S3D.
This commit is contained in:
bubnikv 2018-09-06 14:19:20 +02:00
parent 6a1f15823f
commit 2a81408e8b
20 changed files with 461 additions and 163 deletions
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77
xs/src/libslic3r/PrintObject.cpp
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@ -1320,29 +1320,62 @@ end:
std::vector<ExPolygons> PrintObject::_slice_region(size_t region_id, const std::vector<float> &z, bool modifier)
{
std::vector<ExPolygons> layers;
std::vector<const ModelVolume*> volumes;
if (region_id < this->region_volumes.size()) {
std::vector<int> &volumes = this->region_volumes[region_id];
if (! volumes.empty()) {
// Compose mesh.
//FIXME better to perform slicing over each volume separately and then to use a Boolean operation to merge them.
TriangleMesh mesh;
for (int volume_id : volumes) {
ModelVolume *volume = this->model_object()->volumes[volume_id];
if (volume->modifier == modifier)
mesh.merge(volume->mesh);
}
if (mesh.stl.stats.number_of_facets > 0) {
// transform mesh
// we ignore the per-instance transformations currently and only
// consider the first one
this->model_object()->instances.front()->transform_mesh(&mesh, true);
// align mesh to Z = 0 (it should be already aligned actually) and apply XY shift
mesh.translate(- float(unscale(this->_copies_shift.x)), - float(unscale(this->_copies_shift.y)), -float(this->model_object()->bounding_box().min.z));
// perform actual slicing
TriangleMeshSlicer mslicer(&mesh);
mslicer.slice(z, &layers);
}
for (int volume_id : this->region_volumes[region_id]) {
const ModelVolume *volume = this->model_object()->volumes[volume_id];
if (modifier ? volume->is_modifier() : volume->is_model_part())
volumes.emplace_back(volume);
}
}
return this->_slice_volumes(z, volumes);
}
std::vector<ExPolygons> PrintObject::slice_support_enforcers() const
{
std::vector<const ModelVolume*> volumes;
for (const ModelVolume *volume : this->model_object()->volumes)
if (volume->is_support_enforcer())
volumes.emplace_back(volume);
std::vector<float> zs;
zs.reserve(this->layers.size());
for (const Layer *l : this->layers)
zs.emplace_back(l->slice_z);
return this->_slice_volumes(zs, volumes);
}
std::vector<ExPolygons> PrintObject::slice_support_blockers() const
{
std::vector<const ModelVolume*> volumes;
for (const ModelVolume *volume : this->model_object()->volumes)
if (volume->is_support_blocker())
volumes.emplace_back(volume);
std::vector<float> zs;
zs.reserve(this->layers.size());
for (const Layer *l : this->layers)
zs.emplace_back(l->slice_z);
return this->_slice_volumes(zs, volumes);
}
std::vector<ExPolygons> PrintObject::_slice_volumes(const std::vector<float> &z, const std::vector<const ModelVolume*> &volumes) const
{
std::vector<ExPolygons> layers;
if (! volumes.empty()) {
// Compose mesh.
//FIXME better to perform slicing over each volume separately and then to use a Boolean operation to merge them.
TriangleMesh mesh;
for (const ModelVolume *v : volumes)
mesh.merge(v->mesh);
if (mesh.stl.stats.number_of_facets > 0) {
// transform mesh
// we ignore the per-instance transformations currently and only
// consider the first one
this->model_object()->instances.front()->transform_mesh(&mesh, true);
// align mesh to Z = 0 (it should be already aligned actually) and apply XY shift
mesh.translate(- float(unscale(this->_copies_shift.x)), - float(unscale(this->_copies_shift.y)), -float(this->model_object()->bounding_box().min.z));
// perform actual slicing
TriangleMeshSlicer mslicer(&mesh);
mslicer.slice(z, &layers);
}
}
return layers;