Add a TransformMode property to the pattern features

This property controls wether the selected features tool shapes are
transformed or the whole base feature's shape.
This commit is contained in:
André Althaus
2024-03-25 02:07:26 +01:00
parent 4d9b89e265
commit 45bb606095
4 changed files with 120 additions and 80 deletions

View File

@@ -75,23 +75,20 @@ const std::list<gp_Trsf> MultiTransform::getTransformations(const std::vector<Ap
{
std::vector<App::DocumentObject*> transFeatures = Transformations.getValues();
// Find centre of gravity of first original
// FIXME: This method will NOT give the expected result for more than one original!
Part::Feature* originalFeature = static_cast<Part::Feature*>(originals.front());
TopoDS_Shape original;
gp_Pnt cog;
if (!originals.empty()) {
// Find centre of gravity of first original
// FIXME: This method will NOT give the expected result for more than one original!
if (auto addFeature =
Base::freecad_dynamic_cast<PartDesign::FeatureAddSub>(originals.front())) {
TopoDS_Shape original = addFeature->AddSubShape.getShape().getShape();
if (originalFeature->isDerivedFrom<PartDesign::FeatureAddSub>()) {
PartDesign::FeatureAddSub* addFeature = static_cast<PartDesign::FeatureAddSub*>(originalFeature);
//if (addFeature->getAddSubType() == FeatureAddSub::Additive)
// original = addFeature->AddSubShape.getShape().getShape();
//else
original = addFeature->AddSubShape.getShape().getShape();
GProp_GProps props;
BRepGProp::VolumeProperties(original, props);
cog = props.CentreOfMass();
}
}
GProp_GProps props;
BRepGProp::VolumeProperties(original,props);
gp_Pnt cog = props.CentreOfMass();
std::list<gp_Trsf> result;
std::list<gp_Pnt> cogs;
std::vector<App::DocumentObject*>::const_iterator f;

View File

@@ -64,23 +64,19 @@ const std::list<gp_Trsf> Scaled::getTransformations(const std::vector<App::Docum
double f = (factor - 1.0) / double(occurrences - 1);
// Find centre of gravity of first original
// FIXME: This method will NOT give the expected result for more than one original!
Part::Feature* originalFeature = static_cast<Part::Feature*>(originals.front());
TopoDS_Shape original;
gp_Pnt cog;
if (!originals.empty()) {
// Find centre of gravity of first original
// FIXME: This method will NOT give the expected result for more than one original!
if (auto feature = Base::freecad_dynamic_cast<PartDesign::FeatureAddSub>(originals.front())) {
TopoDS_Shape original = feature->AddSubShape.getShape().getShape();
if (originalFeature->isDerivedFrom<PartDesign::FeatureAddSub>()) {
PartDesign::FeatureAddSub* Feature = static_cast<PartDesign::FeatureAddSub*>(originalFeature);
//if(Feature->getAddSubType() == FeatureAddSub::Additive)
// original = Feature->AddSubShape.getShape().getShape();
//else
original = Feature->AddSubShape.getShape().getShape();
GProp_GProps props;
BRepGProp::VolumeProperties(original, props);
cog = props.CentreOfMass();
}
}
GProp_GProps props;
BRepGProp::VolumeProperties(original,props);
gp_Pnt cog = props.CentreOfMass();
// Note: The original feature is NOT included in the list of transformations! Therefore
// we start with occurrence number 1, not number 0
std::list<gp_Trsf> transformations;

View File

@@ -33,6 +33,8 @@
# include <TopExp_Explorer.hxx>
#endif
#include <array>
#include <App/Application.h>
#include <Base/Console.h>
#include <Base/Exception.h>
@@ -56,12 +58,19 @@ namespace PartDesign {
PROPERTY_SOURCE(PartDesign::Transformed, PartDesign::Feature)
std::array<char const*, 3> transformModeEnums = {"Transform tool shapes",
"Transform body",
nullptr};
Transformed::Transformed()
{
ADD_PROPERTY(Originals,(nullptr));
Originals.setSize(0);
Placement.setStatus(App::Property::ReadOnly, true);
ADD_PROPERTY(TransformMode, (static_cast<int>(Mode::TransformToolShapes)));
TransformMode.setEnums(transformModeEnums.data());
ADD_PROPERTY_TYPE(Refine,(0),"Part Design",(App::PropertyType)(App::Prop_None),"Refine shape (clean up redundant edges) after adding/subtracting");
//init Refine property
@@ -175,8 +184,9 @@ void Transformed::handleChangedPropertyType(Base::XMLReader &reader, const char
short Transformed::mustExecute() const
{
if (Originals.isTouched())
if (Originals.isTouched() || TransformMode.isTouched()) {
return 1;
}
return PartDesign::Feature::mustExecute();
}
@@ -186,6 +196,11 @@ App::DocumentObjectExecReturn *Transformed::execute()
return App::DocumentObject::StdReturn;
}
auto const mode = static_cast<Mode>(TransformMode.getValue());
if (mode == Mode::TransformBody) {
Originals.setValues({});
}
if(!this->BaseFeature.getValue()) {
auto body = getFeatureBody();
if(body) {
@@ -205,6 +220,10 @@ App::DocumentObjectExecReturn *Transformed::execute()
originals.erase(eraseIter, originals.end());
}
if (mode == Mode::TransformToolShapes && originals.empty()) {
return App::DocumentObject::StdReturn;
}
// get transformations from subclass by calling virtual method
std::vector<gp_Trsf> transformations;
try {
@@ -274,45 +293,82 @@ App::DocumentObjectExecReturn *Transformed::execute()
return shapeTools;
};
// NOTE: It would be possible to build a compound from all original addShapes/subShapes and then
// transform the compounds as a whole. But we choose to apply the transformations to each
// Original separately. This way it is easier to discover what feature causes a fuse/cut
// to fail. The downside is that performance suffers when there are many originals. But it seems
// safe to assume that in most cases there are few originals and many transformations
for (auto original : originals)
{
// Extract the original shape and determine whether to cut or to fuse
Part::TopoShape fuseShape;
Part::TopoShape cutShape;
switch (mode) {
case Mode::TransformToolShapes :
// NOTE: It would be possible to build a compound from all original addShapes/subShapes and then
// transform the compounds as a whole. But we choose to apply the transformations to each
// Original separately. This way it is easier to discover what feature causes a fuse/cut
// to fail. The downside is that performance suffers when there are many originals. But it seems
// safe to assume that in most cases there are few originals and many transformations
for (auto original : originals)
{
// Extract the original shape and determine whether to cut or to fuse
Part::TopoShape fuseShape;
Part::TopoShape cutShape;
if (original->isDerivedFrom<PartDesign::FeatureAddSub>()) {
PartDesign::FeatureAddSub* feature = static_cast<PartDesign::FeatureAddSub*>(original);
feature->getAddSubShape(fuseShape, cutShape);
if (fuseShape.isNull() && cutShape.isNull())
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Shape of additive/subtractive feature is empty"));
gp_Trsf trsf = feature->getLocation().Transformation().Multiplied(trsfInv);
if (original->isDerivedFrom<PartDesign::FeatureAddSub>()) {
PartDesign::FeatureAddSub* feature = static_cast<PartDesign::FeatureAddSub*>(original);
feature->getAddSubShape(fuseShape, cutShape);
if (fuseShape.isNull() && cutShape.isNull())
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Shape of additive/subtractive feature is empty"));
gp_Trsf trsf = feature->getLocation().Transformation().Multiplied(trsfInv);
#ifdef FC_USE_TNP_FIX
if (!fuseShape.isNull())
fuseShape = fuseShape.makeElementTransform(trsf);
if (!cutShape.isNull())
cutShape = cutShape.makeElementTransform(trsf);
if (!fuseShape.isNull())
fuseShape = fuseShape.makeElementTransform(trsf);
if (!cutShape.isNull())
cutShape = cutShape.makeElementTransform(trsf);
#else
if (!fuseShape.isNull())
fuseShape = fuseShape.makeTransform(trsf);
if (!cutShape.isNull())
cutShape = cutShape.makeTransform(trsf);
if (!fuseShape.isNull())
fuseShape = fuseShape.makeTransform(trsf);
if (!cutShape.isNull())
cutShape = cutShape.makeTransform(trsf);
#endif
}
else {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Only additive and subtractive features can be transformed"));
}
}
else {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Only additive and subtractive features can be transformed"));
}
TopoDS_Shape current = support;
if (!fuseShape.isNull()) {
TopoDS_Shape current = support;
if (!fuseShape.isNull()) {
TopTools_ListOfShape shapeArguments;
shapeArguments.Append(current);
TopTools_ListOfShape shapeTools = getTransformedCompShape(fuseShape.getShape());
if (!shapeTools.IsEmpty()) {
std::unique_ptr<BRepAlgoAPI_BooleanOperation> mkBool(new BRepAlgoAPI_Fuse());
mkBool->SetArguments(shapeArguments);
mkBool->SetTools(shapeTools);
mkBool->Build();
if (!mkBool->IsDone()) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Boolean operation failed"));
}
current = mkBool->Shape();
}
}
if (!cutShape.isNull()) {
TopTools_ListOfShape shapeArguments;
shapeArguments.Append(current);
TopTools_ListOfShape shapeTools = getTransformedCompShape(cutShape.getShape());
if (!shapeTools.IsEmpty()) {
std::unique_ptr<BRepAlgoAPI_BooleanOperation> mkBool(new BRepAlgoAPI_Cut());
mkBool->SetArguments(shapeArguments);
mkBool->SetTools(shapeTools);
mkBool->Build();
if (!mkBool->IsDone()) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Boolean operation failed"));
}
current = mkBool->Shape();
}
}
support = current; // Use result of this operation for fuse/cut of next original
}
break;
case Mode::TransformBody :
{
TopTools_ListOfShape shapeArguments;
shapeArguments.Append(current);
TopTools_ListOfShape shapeTools = getTransformedCompShape(fuseShape.getShape());
shapeArguments.Append(support);
TopTools_ListOfShape shapeTools = getTransformedCompShape(support);
if (!shapeTools.IsEmpty()) {
std::unique_ptr<BRepAlgoAPI_BooleanOperation> mkBool(new BRepAlgoAPI_Fuse());
mkBool->SetArguments(shapeArguments);
@@ -321,26 +377,10 @@ App::DocumentObjectExecReturn *Transformed::execute()
if (!mkBool->IsDone()) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Boolean operation failed"));
}
current = mkBool->Shape();
support = mkBool->Shape();
}
break;
}
if (!cutShape.isNull()) {
TopTools_ListOfShape shapeArguments;
shapeArguments.Append(current);
TopTools_ListOfShape shapeTools = getTransformedCompShape(cutShape.getShape());
if (!shapeTools.IsEmpty()) {
std::unique_ptr<BRepAlgoAPI_BooleanOperation> mkBool(new BRepAlgoAPI_Cut());
mkBool->SetArguments(shapeArguments);
mkBool->SetTools(shapeTools);
mkBool->Build();
if (!mkBool->IsDone()) {
return new App::DocumentObjectExecReturn(QT_TRANSLATE_NOOP("Exception", "Boolean operation failed"));
}
current = mkBool->Shape();
}
}
support = current; // Use result of this operation for fuse/cut of next original
}
support = refineShapeIfActive(support);

View File

@@ -42,12 +42,19 @@ class PartDesignExport Transformed : public PartDesign::Feature
PROPERTY_HEADER_WITH_OVERRIDE(PartDesign::Transformed);
public:
enum class Mode {
TransformToolShapes,
TransformBody
};
Transformed();
/** The shapes to be transformed
/** The features to be transformed
*/
App::PropertyLinkList Originals;
App::PropertyEnumeration TransformMode;
App::PropertyBool Refine;
/**