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fix body boolean placements

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This commit is contained in:
Stefan Tröger
2015-05-09 09:34:20 +02:00
parent 7a86e3bfe0
commit ecd07d4451
3 changed files with 61 additions and 13 deletions
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60
src/Mod/PartDesign/App/FeatureBoolean.cpp
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@@ -32,6 +32,7 @@
# include <gp_Dir.hxx>
# include <gp_Vec.hxx>
# include <gp_Ax1.hxx>
#include <BRepBuilderAPI_GTransform.hxx>
#endif
#include "Body.h"
@@ -39,6 +40,8 @@
#include <Base/Console.h>
#include <Base/Exception.h>
#include <App/Document.h>
#include <App/Part.h>
using namespace PartDesign;
@@ -81,15 +84,43 @@ App::DocumentObjectExecReturn *Boolean::execute(void)
Part::TopoShape baseTopShape = baseFeature->Shape.getShape();
if (baseTopShape._Shape.IsNull())
return new App::DocumentObjectExecReturn("Cannot do boolean operation with invalid base shape");
//get the body this boolean feature belongs to
PartDesign::Body* baseBody = NULL;
for(PartDesign::Body* b : this->getDocument()->getObjectsOfType<PartDesign::Body>()) {
if(b->isFeature(this)) {
baseBody = b;
break;
}
}
if(!baseBody)
return new App::DocumentObjectExecReturn("Cannot do boolean on feature which is not in a body");
// Position this feature by the base feature
this->Placement.setValue(baseFeature->Placement.getValue());
TopLoc_Location invObjLoc = this->getLocation().Inverted();
//get the part every body should belong to
App::Part* part = NULL;
for(App::Part* p : this->getDocument()->getObjectsOfType<App::Part>()) {
if(p->hasObject(baseBody)) {
part = p;
break;
}
}
if(!part)
return new App::DocumentObjectExecReturn("Cannot do boolean on body which is not in a part");
// create an untransformed copy of the base shape
Part::TopoShape baseShape(baseTopShape);
baseShape.setTransform(Base::Matrix4D());
TopoDS_Shape result = baseShape._Shape;
// TODO: Why is Feature::getLocation() protected?
Base::Placement place = baseBody->Placement.getValue();
Base::Rotation rot(place.getRotation());
Base::Vector3d axis;
double angle;
rot.getValue(axis, angle);
gp_Trsf trf;
trf.SetRotation(gp_Ax1(gp_Pnt(), gp_Dir(axis.x, axis.y, axis.z)), angle);
trf.SetTranslationPart(gp_Vec(place.getPosition().x,place.getPosition().y,place.getPosition().z));
TopLoc_Location objLoc(trf);
TopoDS_Shape result = baseTopShape._Shape;
result.Move(objLoc);
// Get the operation type
std::string type = Type.getValueAsString();
@@ -99,12 +130,12 @@ App::DocumentObjectExecReturn *Boolean::execute(void)
// Extract the body shape. Its important to get the actual feature that provides the last solid in the body
// so that the placement will be right
PartDesign::Body* body = static_cast<PartDesign::Body*>(*b);
Part::Feature* tipSolid = static_cast<Part::Feature*>(body->getPrevSolidFeature());
if (tipSolid == NULL)
continue;
TopoDS_Shape shape = tipSolid->Shape.getValue();
if(!part->hasObject(body))
return new App::DocumentObjectExecReturn("Cannot do boolean on bodies of different parts");
TopoDS_Shape shape = body->getTipShape()._Shape;
// Move the shape to the location of the base shape
// Move the shape to the location of the base shape in the other body
Base::Placement pl = body->Placement.getValue();
// TODO: Why is Feature::getLocation() protected?
Base::Rotation rot(pl.getRotation());
@@ -115,7 +146,7 @@ App::DocumentObjectExecReturn *Boolean::execute(void)
trf.SetRotation(gp_Ax1(gp_Pnt(), gp_Dir(axis.x, axis.y, axis.z)), angle);
trf.SetTranslationPart(gp_Vec(pl.getPosition().x,pl.getPosition().y,pl.getPosition().z));
TopLoc_Location bLoc(trf);
shape.Move(invObjLoc.Multiplied(bLoc));
shape.Move(bLoc);
TopoDS_Shape boolOp;
@@ -150,6 +181,9 @@ App::DocumentObjectExecReturn *Boolean::execute(void)
}
result = boolOp; // Use result of this operation for fuse/cut of next body
//bring the result geometry into the correct coordinance of the body the boolean belongs to
BRepBuilderAPI_GTransform mkTrf(result, objLoc.Inverted().Transformation());
result = mkTrf.Shape();
}
this->Shape.setValue(result);