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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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30
src/Mod/Part/App/FeatureExtrusion.cpp
View File

@@ -102,16 +102,13 @@ bool Extrusion::fetchAxisLink(const App::PropertyLinkSub& axisLink, Base::Vector
if (!axisLink.getValue())
return false;
if (!axisLink.getValue()->isDerivedFrom(Part::Feature::getClassTypeId()))
throw Base::TypeError("AxisLink has no OCC shape");
Part::Feature* linked = static_cast<Part::Feature*>(axisLink.getValue());
auto linked = axisLink.getValue();
TopoDS_Shape axEdge;
if (axisLink.getSubValues().size() > 0 && axisLink.getSubValues()[0].length() > 0){
axEdge = linked->Shape.getShape().getSubShape(axisLink.getSubValues()[0].c_str());
axEdge = Feature::getTopoShape(linked).getSubShape(axisLink.getSubValues()[0].c_str());
} else {
axEdge = linked->Shape.getValue();
axEdge = Feature::getShape(linked);
}
if (axEdge.IsNull())
@@ -196,25 +193,21 @@ Extrusion::ExtrusionParameters Extrusion::computeFinalParameters()
Base::Vector3d Extrusion::calculateShapeNormal(const App::PropertyLink& shapeLink)
{
if (!shapeLink.getValue())
App::DocumentObject* docobj = 0;
Base::Matrix4D mat;
TopoDS_Shape sh = Feature::getShape(shapeLink.getValue(),0,false, &mat,&docobj);
if (!docobj)
throw Base::ValueError("calculateShapeNormal: link is empty");
const App::DocumentObject* docobj = shapeLink.getValue();
//special case for sketches and the like: no matter what shape they have, use their local Z axis.
if (docobj->isDerivedFrom(Part::Part2DObject::getClassTypeId())){
const Part::Part2DObject* p2do = static_cast<const Part::Part2DObject*>(docobj);
Base::Vector3d OZ (0.0, 0.0, 1.0);
Base::Vector3d result;
p2do->Placement.getValue().getRotation().multVec(OZ, result);
Base::Rotation(mat).multVec(OZ, result);
return result;
}
//extract the shape
if (! docobj->isDerivedFrom(Part::Feature::getClassTypeId()))
throw Base::TypeError("Linked object doesn't have shape.");
const TopoShape &tsh = static_cast<const Part::Feature*>(docobj)->Shape.getShape();
TopoDS_Shape sh = tsh.getShape();
if (sh.IsNull())
throw NullShapeException("calculateShapeNormal: link points to a valid object, but its shape is null.");
@@ -327,13 +320,10 @@ App::DocumentObjectExecReturn *Extrusion::execute(void)
App::DocumentObject* link = Base.getValue();
if (!link)
return new App::DocumentObjectExecReturn("No object linked");
if (!link->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId()))
return new App::DocumentObjectExecReturn("Linked object is not a Part object");
Part::Feature *base = static_cast<Part::Feature*>(Base.getValue());
try {
Extrusion::ExtrusionParameters params = computeFinalParameters();
TopoShape result = extrudeShape(base->Shape.getShape(),params);
TopoShape result = extrudeShape(Feature::getShape(link),params);
this->Shape.setValue(result);
return App::DocumentObject::StdReturn;
}