App::DocumentObjectExecReturn* ShapeBinder::execute(void) {
if (!this->isRestoring()) {
Part::Feature* obj = nullptr;
std::vector<std::string> subs;
ShapeBinder::getFilteredReferences(&Support, obj, subs);
//if we have a link we rebuild the shape, but we change nothing if we are a simple copy
if (obj) {
Part::TopoShape shape = ShapeBinder::buildShapeFromReferences(obj, subs);
//now, shape is in object's CS, and includes local Placement of obj but nothing else.
if (TraceSupport.getValue()) {
//compute the transform, and apply it to the shape.
Base::Placement sourceCS = //full placement of container of obj
obj->globalPlacement() * obj->Placement.getValue().inverse();
Base::Placement targetCS = //full placement of container of this shapebinder
this->globalPlacement() * this->Placement.getValue().inverse();
Base::Placement transform = targetCS.inverse() * sourceCS;
shape.setPlacement(transform * shape.getPlacement());
}
this->Placement.setValue(shape.getTransform());
this->Shape.setValue(shape);
}
}
return Part::Feature::execute();
}
// TODO: This code is taken from and duplicates code in Part2DObject::positionBySupport()
// Note: We cannot return a reference, because it will become Null.
// Not clear where, because we check for IsNull() here, but as soon as it is passed out of
// this method, it becomes null!
const TopoDS_Face SketchBased::getSupportFace() const {
const App::PropertyLinkSub& Support = static_cast<Part::Part2DObject*>(Sketch.getValue())->Support;
Part::Feature *part = static_cast<Part::Feature*>(Support.getValue());
if (!part || !part->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
throw Base::Exception("Sketch has no support shape");
const std::vector<std::string> &sub = Support.getSubValues();
assert(sub.size()==1);
// get the selected sub shape (a Face)
const Part::TopoShape &shape = part->Shape.getShape();
if (shape._Shape.IsNull())
throw Base::Exception("Sketch support shape is empty!");
TopoDS_Shape sh = shape.getSubShape(sub[0].c_str());
if (sh.IsNull())
throw Base::Exception("Null shape in SketchBased::getSupportFace()!");
const TopoDS_Face face = TopoDS::Face(sh);
if (face.IsNull())
throw Base::Exception("Null face in SketchBased::getSupportFace()!");
BRepAdaptor_Surface adapt(face);
if (adapt.GetType() != GeomAbs_Plane)
throw Base::Exception("No planar face in SketchBased::getSupportFace()!");
return face;
}
const std::list<gp_Trsf> Scaled::getTransformations(const std::vector<App::DocumentObject*> originals)
{
double factor = Factor.getValue();
if (factor < Precision::Confusion())
throw Base::Exception("Scaling factor too small");
int occurrences = Occurrences.getValue();
if (occurrences < 2)
throw Base::Exception("At least two occurrences required");
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;
if (originalFeature->getTypeId().isDerivedFrom(PartDesign::Additive::getClassTypeId())) {
PartDesign::Additive* addFeature = static_cast<PartDesign::Additive*>(originalFeature);
original = addFeature->AddShape.getShape()._Shape;
} else if (originalFeature->getTypeId().isDerivedFrom(PartDesign::Subtractive::getClassTypeId())) {
PartDesign::Subtractive* subFeature = static_cast<PartDesign::Subtractive*>(originalFeature);
original = subFeature->SubShape.getShape()._Shape;
}
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;
gp_Trsf trans;
transformations.push_back(trans); // identity transformation
for (int i = 1; i < occurrences; i++) {
trans.SetScale(cog, 1.0 + double(i) * f);
transformations.push_back(trans);
}
return transformations;
}
void ShapeBinder::slotChangedObject(const App::DocumentObject& Obj, const App::Property& Prop)
{
App::Document* doc = getDocument();
if (!doc || doc->testStatus(App::Document::Restoring))
return;
if (this == &Obj)
return;
if (!TraceSupport.getValue())
return;
if (!Prop.getTypeId().isDerivedFrom(App::PropertyPlacement::getClassTypeId()))
return;
Part::Feature* obj = nullptr;
std::vector<std::string> subs;
ShapeBinder::getFilteredReferences(&Support, obj, subs);
if (obj) {
if (obj == &Obj) {
// the directly referenced object has changed
enforceRecompute();
}
else if (Obj.hasExtension(App::GroupExtension::getExtensionClassTypeId())) {
// check if the changed property belongs to a group-like object
// like Body or Part
std::vector<App::DocumentObject*> chain;
std::vector<App::DocumentObject*> list = getInListRecursive();
chain.insert(chain.end(), list.begin(), list.end());
list = obj->getInListRecursive();
chain.insert(chain.end(), list.begin(), list.end());
auto it = std::find(chain.begin(), chain.end(), &Obj);
if (it != chain.end()) {
enforceRecompute();
}
}
}
}
const std::list<gp_Trsf> MultiTransform::getTransformations(const std::vector<App::DocumentObject*> originals)
{
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;
if (originalFeature->getTypeId().isDerivedFrom(PartDesign::FeatureAddSub::getClassTypeId())) {
PartDesign::FeatureAddSub* addFeature = static_cast<PartDesign::FeatureAddSub*>(originalFeature);
if(addFeature->getAddSubType() == FeatureAddSub::Additive)
original = addFeature->AddSubShape.getShape()._Shape;
else
original = addFeature->AddSubShape.getShape()._Shape;
}
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;
for (f = transFeatures.begin(); f != transFeatures.end(); ++f) {
if (!((*f)->getTypeId().isDerivedFrom(PartDesign::Transformed::getClassTypeId())))
throw Base::Exception("Transformation features must be subclasses of Transformed");
PartDesign::Transformed* transFeature = static_cast<PartDesign::Transformed*>(*f);
std::list<gp_Trsf> newTransformations = transFeature->getTransformations(originals);
if (result.empty()) {
// First transformation Feature
result = newTransformations;
for (std::list<gp_Trsf>::const_iterator nt = newTransformations.begin(); nt != newTransformations.end(); ++nt) {
cogs.push_back(cog.Transformed(*nt));
}
} else {
// Retain a copy of the first set of transformations for iterator ot
// We can't iterate through result if we are also adding elements with push_back()!
std::list<gp_Trsf> oldTransformations;
result.swap(oldTransformations); // empty result to receive new transformations
std::list<gp_Pnt> oldCogs;
cogs.swap(oldCogs); // empty cogs to receive new cogs
if ((*f)->getTypeId() == PartDesign::Scaled::getClassTypeId()) {
// Diagonal method
// Multiply every element in the old transformations' slices with the corresponding
// element in the newTransformations. Example:
// a11 a12 a13 a14 b1 a11*b1 a12*b1 a13*b1 a14*b1
// a21 a22 a23 a24 diag b2 = a21*b2 a22*b2 a23*b2 a24*b1
// a31 a23 a33 a34 b3 a31*b3 a23*b3 a33*b3 a34*b1
// In other words, the length of the result vector is equal to the length of the
// oldTransformations vector
if (oldTransformations.size() % newTransformations.size() != 0)
throw Base::Exception("Number of occurrences must be a divisor of previous number of occurrences");
unsigned sliceLength = oldTransformations.size() / newTransformations.size();
std::list<gp_Trsf>::const_iterator ot = oldTransformations.begin();
std::list<gp_Pnt>::const_iterator oc = oldCogs.begin();
for (std::list<gp_Trsf>::const_iterator nt = newTransformations.begin(); nt != newTransformations.end(); ++nt) {
for (unsigned s = 0; s < sliceLength; s++) {
gp_Trsf trans;
double factor = nt->ScaleFactor(); // extract scale factor
if (factor > Precision::Confusion()) {
trans.SetScale(*oc, factor); // recreate the scaled transformation to use the correct COG
trans = trans * (*ot);
cogs.push_back(*oc); // Scaling does not affect the COG
} else {
trans = (*nt) * (*ot);
cogs.push_back(oc->Transformed(*nt));
}
result.push_back(trans);
++ot;
++oc;
}
}
} else {
// Multiplication method: Combine the new transformations with the old ones.
// All old transformations are multiplied with all new ones, so that the length of the
// result vector is the length of the old and new transformations multiplied.
// a11 a12 b1 a11*b1 a12*b1 a11*b2 a12*b2 a11*b3 a12*b3
// a21 a22 mul b2 = a21*b1 a22*b1 a21*b2 a22*b2 a21*b3 a22*b3
// b3
for (std::list<gp_Trsf>::const_iterator nt = newTransformations.begin(); nt != newTransformations.end(); ++nt) {
std::list<gp_Pnt>::const_iterator oc = oldCogs.begin();
for (std::list<gp_Trsf>::const_iterator ot = oldTransformations.begin(); ot != oldTransformations.end(); ++ot) {
result.push_back((*nt) * (*ot));
cogs.push_back(oc->Transformed(*nt));
++oc;
}
}
}
// What about the Additive method: Take the last (set of) transformations and use them as
// "originals" for the next transformationFeature, so that something similar to a sweep
// for transformations could be put together?
//.........这里部分代码省略.........
void CmdPartDesignMigrate::activated(int iMsg)
{
Q_UNUSED(iMsg);
App::Document *doc = getDocument();
std::set<PartDesign::Feature*> migrateFeatures;
// Retrive all PartDesign Features objects and filter out features already belongs to some body
for ( const auto & feat: doc->getObjects( ) ) {
if( feat->isDerivedFrom( PartDesign::Feature::getClassTypeId() ) &&
!PartDesign::Body::findBodyOf( feat ) && PartDesign::Body::isSolidFeature ( feat ) ) {
migrateFeatures.insert ( static_cast <PartDesign::Feature *>( feat ) );
}
}
if ( migrateFeatures.empty() ) {
if ( !PartDesignGui::isModernWorkflow ( doc ) ) {
// If there is nothing to migrate and workflow is still old just set it to modern
PartDesignGui::WorkflowManager::instance()->forceWorkflow (
doc, PartDesignGui::Workflow::Modern );
} else {
// Huh? nothing to migrate?
QMessageBox::warning ( 0, QObject::tr ( "Nothing to migrate" ),
QObject::tr ( "No PartDesign features which doesn't belong to a body found."
" Nothing to migrate." ) );
}
return;
}
// Note: this action is undoable, should it be?
PartDesignGui::WorkflowManager::instance()->forceWorkflow ( doc, PartDesignGui::Workflow::Modern );
// Put features into chains. Each chain should become a separate body.
std::list< std::list<PartDesign::Feature *> > featureChains;
std::list<PartDesign::Feature *> chain; //< the current chain we are working on
for (auto featIt = migrateFeatures.begin(); !migrateFeatures.empty(); ) {
Part::Feature *base = (*featIt)->getBaseObject( /*silent =*/ true );
chain.push_front ( *featIt );
if ( !base || !base->isDerivedFrom (PartDesign::Feature::getClassTypeId () ) ||
PartDesignGui::isAnyNonPartDesignLinksTo ( static_cast <PartDesign::Feature *>(base),
/*respectGroups=*/ true ) ) {
// a feature based on nothing as well as on non-partdesign solid starts a new chain
auto newChainIt = featureChains.emplace (featureChains.end());
newChainIt->splice (newChainIt->end(), chain);
} else {
// we are basing on some partdesign feature which supposed to belong to some body
PartDesign::Feature *baseFeat = static_cast <PartDesign::Feature *>( base );
auto baseFeatSetIt = find ( migrateFeatures.begin (), migrateFeatures.end (), baseFeat );
if ( baseFeatSetIt != migrateFeatures.end() ) {
// base feature is pending for migration, switch to it and continue over
migrateFeatures.erase(featIt);
featIt = baseFeatSetIt;
continue;
} else {
// The base feature seems already assigned to some chain
// Find which
std::list<PartDesign::Feature *>::iterator baseFeatIt;
auto chainIt = std::find_if( featureChains.begin(), featureChains.end(),
[baseFeat, &baseFeatIt] ( std::list<PartDesign::Feature *>&chain ) mutable -> bool {
baseFeatIt = std::find( chain.begin(), chain.end(), baseFeat );
return baseFeatIt != chain.end();
} );
if ( chainIt != featureChains.end() ) {
assert (baseFeatIt != chainIt->end());
if ( std::next ( baseFeatIt ) == chainIt->end() ) {
// just append our chain to already found
chainIt->splice ( chainIt->end(), chain );
// TODO If we will hit a third part everything will be messed up again.
// Probably it will require a yet another smart-ass find_if. (2015-08-10, Fat-Zer)
} else {
// We have a fork of a partDesign feature here
// add a chain for current body
auto newChainIt = featureChains.emplace (featureChains.end());
newChainIt->splice (newChainIt->end(), chain);
// add a chain for forked one
newChainIt = featureChains.emplace (featureChains.end());
newChainIt->splice (newChainIt->end(), *chainIt,
std::next ( baseFeatIt ), chainIt->end());
}
} else {
// The feature is not present in list pending for migration,
// This generally shouldn't happen but may be if we run into some broken file
// Try to find out the body we should insert into
// TODO Some error/warning is needed here (2015-08-10, Fat-Zer)
auto newChainIt = featureChains.emplace (featureChains.end());
newChainIt->splice (newChainIt->end(), chain);
}
}
}
migrateFeatures.erase ( featIt );
featIt = migrateFeatures.begin ();
// TODO Align visibility (2015-08-17, Fat-Zer)
} /* for */
//.........这里部分代码省略.........
void CmdSketcherMapSketch::activated(int iMsg)
{
App::Document* doc = App::GetApplication().getActiveDocument();
std::vector<App::DocumentObject*> sel = doc->getObjectsOfType(Sketcher::SketchObject::getClassTypeId());
if (sel.empty()) {
QMessageBox::warning(Gui::getMainWindow(),
qApp->translate(className(), "No sketch found"),
qApp->translate(className(), "The document doesn't have a sketch"));
return;
}
bool ok;
QStringList items;
for (std::vector<App::DocumentObject*>::iterator it = sel.begin(); it != sel.end(); ++it)
items.push_back(QString::fromUtf8((*it)->Label.getValue()));
QString text = QInputDialog::getItem(Gui::getMainWindow(),
qApp->translate(className(), "Select sketch"),
qApp->translate(className(), "Select a sketch from the list"),
items, 0, false, &ok);
if (!ok) return;
int index = items.indexOf(text);
std::string featName = sel[index]->getNameInDocument();
Gui::SelectionFilter FaceFilter ("SELECT Part::Feature SUBELEMENT Face COUNT 1");
if (FaceFilter.match()) {
// get the selected object
Part::Feature *part = static_cast<Part::Feature*>(FaceFilter.Result[0][0].getObject());
Base::Placement ObjectPos = part->Placement.getValue();
const std::vector<std::string> &sub = FaceFilter.Result[0][0].getSubNames();
if (sub.size() > 1){
// No assert for wrong user input!
QMessageBox::warning(Gui::getMainWindow(),
qApp->translate(className(),"Several sub-elements selected"),
qApp->translate(className(),"You have to select a single face as support for a sketch!"));
return;
}
std::vector<App::DocumentObject*> input = part->getOutList();
if (std::find(input.begin(), input.end(), sel[index]) != input.end()) {
QMessageBox::warning(Gui::getMainWindow(),
qApp->translate(className(),"Cyclic dependency"),
qApp->translate(className(),"You cannot choose a support object depending on the selected sketch!"));
return;
}
// get the selected sub shape (a Face)
const Part::TopoShape &shape = part->Shape.getValue();
TopoDS_Shape sh = shape.getSubShape(sub[0].c_str());
const TopoDS_Face& face = TopoDS::Face(sh);
if (face.IsNull()) {
// No assert for wrong user input!
QMessageBox::warning(Gui::getMainWindow(),
qApp->translate(className(),"No support face selected"),
qApp->translate(className(),"You have to select a face as support for a sketch!"));
return;
}
BRepAdaptor_Surface adapt(face);
if (adapt.GetType() != GeomAbs_Plane){
QMessageBox::warning(Gui::getMainWindow(),
qApp->translate(className(),"No planar support"),
qApp->translate(className(),"You need a planar face as support for a sketch!"));
return;
}
std::string supportString = FaceFilter.Result[0][0].getAsPropertyLinkSubString();
openCommand("Map a Sketch on Face");
doCommand(Gui,"App.activeDocument().%s.Support = %s",featName.c_str(),supportString.c_str());
doCommand(Gui,"App.activeDocument().recompute()");
doCommand(Gui,"Gui.activeDocument().setEdit('%s')",featName.c_str());
}
else {
QMessageBox::warning(Gui::getMainWindow(),
qApp->translate(className(), "No face selected"),
qApp->translate(className(), "No face was selected to map the sketch to"));
}
}
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