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Part: changes to Part Module

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* Added Part::Feature::getTopoShape/getShape() function that can obtain
  shape from any object with proper implementation of getSubObject(). It
  can even construct compound from group object with proper implementation
  of getSubObjects().

* Modified ViewProviderExt to work on any object, because it now obtain
  the shape using Part::Feature::getShape()

* Modified various Part features to obtain base/tool shapes using
  Part::getShape(), which allows them to be any type of object,
  including Link and groups.

* Modified various Part command to relax type requirement on selected
  objects.

* Add support of link and group to dimension, and add dimension refresh
  command

* Support link and group in simple command command, and add a few more
  copy command variations.

* Add special handling of 'Shape' attribute in PropertyContainerPy and
  use Part::Feature::getShape() to return shape for any object without
  Shape property. This allows many python feature work with any object
  without modification.

* GeometrySurface/CurvePy, add convenience attribute 'Rotation'

* TopoShapePy:

    * Extended support of sub shape attribute, e.g. Compound1, Solid2,
      SubShape3 ('SubShape' is used to access child shape of a compound)

    * makeWires(), new API to sort and return wires given a list of edges.

    * transformed/translated/rotated/scaled(), return a new shape with
      some transformation.

    * findPlane(), find the plane of a planar shape

    * isCoplanar(), check if two shape are coplanar
This commit is contained in:
Zheng, Lei
2019-07-12 10:10:03 +08:00
committed by wmayer
parent ebd60c8595
commit f028ba42ff
58 changed files with 3250 additions and 727 deletions
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22
src/Mod/Part/App/PartFeatures.cpp
View File

@@ -84,20 +84,20 @@ App::DocumentObjectExecReturn* RuledSurface::getShape(const App::PropertyLinkSub
TopoDS_Shape& shape) const
{
App::DocumentObject* obj = link.getValue();
if (!(obj && obj->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())))
if(!obj)
return new App::DocumentObjectExecReturn("No shape linked.");
// if no explicit sub-shape is selected use the whole part
const std::vector<std::string>& element = link.getSubValues();
if (element.empty()) {
shape = static_cast<Part::Feature*>(obj)->Shape.getValue();
shape = Feature::getShape(obj);
return nullptr;
}
else if (element.size() != 1) {
return new App::DocumentObjectExecReturn("Not exactly one sub-shape linked.");
}
const Part::TopoShape& part = static_cast<Part::Feature*>(obj)->Shape.getValue();
const Part::TopoShape& part = Feature::getTopoShape(obj);
if (!part.getShape().IsNull()) {
if (!element[0].empty()) {
shape = part.getSubShape(element[0].c_str());
@@ -311,9 +311,7 @@ App::DocumentObjectExecReturn *Loft::execute(void)
const std::vector<App::DocumentObject*>& shapes = Sections.getValues();
std::vector<App::DocumentObject*>::const_iterator it;
for (it = shapes.begin(); it != shapes.end(); ++it) {
if (!(*it)->isDerivedFrom(Part::Feature::getClassTypeId()))
return new App::DocumentObjectExecReturn("Linked object is not a shape.");
TopoDS_Shape shape = static_cast<Part::Feature*>(*it)->Shape.getValue();
TopoDS_Shape shape = Feature::getShape(*it);
if (shape.IsNull())
return new App::DocumentObjectExecReturn("Linked shape is invalid.");
@@ -424,12 +422,12 @@ App::DocumentObjectExecReturn *Sweep::execute(void)
if (Sections.getSize() == 0)
return new App::DocumentObjectExecReturn("No sections linked.");
App::DocumentObject* spine = Spine.getValue();
if (!(spine && spine->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())))
if (!spine)
return new App::DocumentObjectExecReturn("No spine linked.");
const std::vector<std::string>& subedge = Spine.getSubValues();
TopoDS_Shape path;
const Part::TopoShape& shape = static_cast<Part::Feature*>(spine)->Shape.getValue();
const Part::TopoShape& shape = Feature::getTopoShape(spine);
if (!shape.getShape().IsNull()) {
try {
if (!subedge.empty()) {
@@ -483,9 +481,7 @@ App::DocumentObjectExecReturn *Sweep::execute(void)
const std::vector<App::DocumentObject*>& shapes = Sections.getValues();
std::vector<App::DocumentObject*>::const_iterator it;
for (it = shapes.begin(); it != shapes.end(); ++it) {
if (!(*it)->isDerivedFrom(Part::Feature::getClassTypeId()))
return new App::DocumentObjectExecReturn("Linked object is not a shape.");
TopoDS_Shape shape = static_cast<Part::Feature*>(*it)->Shape.getValue();
TopoDS_Shape shape = Feature::getShape(*it);
if (shape.IsNull())
return new App::DocumentObjectExecReturn("Linked shape is invalid.");
@@ -638,9 +634,9 @@ void Thickness::handleChangedPropertyType(Base::XMLReader &reader, const char *T
App::DocumentObjectExecReturn *Thickness::execute(void)
{
App::DocumentObject* source = Faces.getValue();
if (!(source && source->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())))
if (!source)
return new App::DocumentObjectExecReturn("No source shape linked.");
const TopoShape& shape = static_cast<Part::Feature*>(source)->Shape.getShape();
const TopoShape& shape = Feature::getTopoShape(source);
if (shape.isNull())
return new App::DocumentObjectExecReturn("Source shape is empty.");