3D-printing/OrcaSlicer
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Fixed update of the SLAPrint back end after mirroring in a specific

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case of mirroring around the X axis.
Fixed some asserts on visual studio due to access to empty std::vector
This commit is contained in:
bubnikv 2019-04-02 18:04:23 +02:00
parent 66fce6d46c
commit eeae1c0495
2 changed files with 23 additions and 12 deletions
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9
src/libslic3r/SLAPrint.cpp
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@ -94,7 +94,7 @@ static Transform3d sla_trafo(const ModelObject &model_object)
offset(1) = 0.;
rotation(2) = 0.;
Transform3d trafo = Geometry::assemble_transform(offset, rotation, model_instance.get_scaling_factor(), model_instance.get_mirror());
if (model_instance.is_left_handed())
if (model_instance.is_left_handed())
trafo = Eigen::Scaling(Vec3d(-1., 1., 1.)) * trafo;
return trafo;
}
@ -317,8 +317,11 @@ SLAPrint::ApplyStatus SLAPrint::apply(const Model &model, const DynamicPrintConf
it_print_object_status = print_object_status.end();
// Check whether a model part volume was added or removed, their transformations or order changed.
bool model_parts_differ = model_volume_list_changed(model_object, model_object_new, ModelVolumeType::MODEL_PART);
bool sla_trafo_differs = model_object.instances.empty() != model_object_new.instances.empty() ||
(! model_object.instances.empty() && ! sla_trafo(model_object).isApprox(sla_trafo(model_object_new)));
bool sla_trafo_differs =
model_object.instances.empty() != model_object_new.instances.empty() ||
(! model_object.instances.empty() &&
(! sla_trafo(model_object).isApprox(sla_trafo(model_object_new)) ||
model_object.instances.front()->is_left_handed() != model_object_new.instances.front()->is_left_handed()));
if (model_parts_differ || sla_trafo_differs) {
// The very first step (the slicing step) is invalidated. One may freely remove all associated PrintObjects.
if (it_print_object_status != print_object_status.end()) {