175 lines
7.5 KiB
C++
175 lines
7.5 KiB
C++
/******************************************************************************
|
|
* Copyright (c)2012 Jan Rheinlaender <jrheinlaender@users.sourceforge.net> *
|
|
* *
|
|
* This file is part of the FreeCAD CAx development system. *
|
|
* *
|
|
* This library is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU Library General Public *
|
|
* License as published by the Free Software Foundation; either *
|
|
* version 2 of the License, or (at your option) any later version. *
|
|
* *
|
|
* This library is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU Library General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU Library General Public *
|
|
* License along with this library; see the file COPYING.LIB. If not, *
|
|
* write to the Free Software Foundation, Inc., 59 Temple Place, *
|
|
* Suite 330, Boston, MA 02111-1307, USA *
|
|
* *
|
|
******************************************************************************/
|
|
|
|
|
|
#include "PreCompiled.h"
|
|
#ifndef _PreComp_
|
|
# include <TopoDS.hxx>
|
|
# include <TopoDS_Face.hxx>
|
|
# include <gp_Pln.hxx>
|
|
# include <gp_Dir.hxx>
|
|
# include <gp_Ax1.hxx>
|
|
# include <BRepAdaptor_Curve.hxx>
|
|
# include <BRepAdaptor_Surface.hxx>
|
|
#endif
|
|
|
|
|
|
#include "FeatureLinearPattern.h"
|
|
#include "DatumPlane.h"
|
|
#include "DatumLine.h"
|
|
#include <App/Plane.h>
|
|
#include <Base/Axis.h>
|
|
#include <Base/Exception.h>
|
|
#include <Mod/Part/App/TopoShape.h>
|
|
#include <Mod/Part/App/Part2DObject.h>
|
|
|
|
using namespace PartDesign;
|
|
|
|
namespace PartDesign {
|
|
|
|
|
|
PROPERTY_SOURCE(PartDesign::LinearPattern, PartDesign::Transformed)
|
|
|
|
LinearPattern::LinearPattern()
|
|
{
|
|
ADD_PROPERTY_TYPE(Direction,(0),"LinearPattern",(App::PropertyType)(App::Prop_None),"Direction");
|
|
ADD_PROPERTY(Reversed,(0));
|
|
ADD_PROPERTY(Length,(100.0));
|
|
ADD_PROPERTY(Occurrences,(3));
|
|
}
|
|
|
|
short LinearPattern::mustExecute() const
|
|
{
|
|
if (Direction.isTouched() ||
|
|
Reversed.isTouched() ||
|
|
Length.isTouched() ||
|
|
Occurrences.isTouched())
|
|
return 1;
|
|
return Transformed::mustExecute();
|
|
}
|
|
|
|
const std::list<gp_Trsf> LinearPattern::getTransformations(const std::vector<App::DocumentObject*>)
|
|
{
|
|
double distance = Length.getValue();
|
|
if (distance < Precision::Confusion())
|
|
throw Base::Exception("Pattern length too small");
|
|
int occurrences = Occurrences.getValue();
|
|
if (occurrences < 2)
|
|
throw Base::Exception("At least two occurrences required");
|
|
bool reversed = Reversed.getValue();
|
|
|
|
double offset = distance / (occurrences - 1);
|
|
|
|
App::DocumentObject* refObject = Direction.getValue();
|
|
if (refObject == NULL)
|
|
throw Base::Exception("No direction reference specified");
|
|
|
|
std::vector<std::string> subStrings = Direction.getSubValues();
|
|
if (subStrings.empty())
|
|
throw Base::Exception("No direction reference specified");
|
|
|
|
gp_Dir dir;
|
|
if (refObject->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) {
|
|
Part::Part2DObject* refSketch = static_cast<Part::Part2DObject*>(refObject);
|
|
Base::Axis axis;
|
|
if (subStrings[0] == "H_Axis")
|
|
axis = refSketch->getAxis(Part::Part2DObject::H_Axis);
|
|
else if (subStrings[0] == "V_Axis")
|
|
axis = refSketch->getAxis(Part::Part2DObject::V_Axis);
|
|
else if (subStrings[0] == "N_Axis")
|
|
axis = refSketch->getAxis(Part::Part2DObject::N_Axis);
|
|
else if (subStrings[0].size() > 4 && subStrings[0].substr(0,4) == "Axis") {
|
|
int AxId = std::atoi(subStrings[0].substr(4,4000).c_str());
|
|
if (AxId >= 0 && AxId < refSketch->getAxisCount())
|
|
axis = refSketch->getAxis(AxId);
|
|
}
|
|
axis *= refSketch->Placement.getValue();
|
|
dir = gp_Dir(axis.getDirection().x, axis.getDirection().y, axis.getDirection().z);
|
|
} else if (refObject->getTypeId().isDerivedFrom(PartDesign::Plane::getClassTypeId())) {
|
|
PartDesign::Plane* plane = static_cast<PartDesign::Plane*>(refObject);
|
|
Base::Vector3d d = plane->getNormal();
|
|
dir = gp_Dir(d.x, d.y, d.z);
|
|
} else if (refObject->getTypeId().isDerivedFrom(PartDesign::Line::getClassTypeId())) {
|
|
PartDesign::Line* line = static_cast<PartDesign::Line*>(refObject);
|
|
Base::Vector3d d = line->getDirection();
|
|
dir = gp_Dir(d.x, d.y, d.z);
|
|
} else if (refObject->getTypeId().isDerivedFrom(App::Plane::getClassTypeId())) {
|
|
App::Plane* plane = static_cast<App::Plane*>(refObject);
|
|
Base::Rotation rot = plane->Placement.getValue().getRotation();
|
|
Base::Vector3d d(0,0,1);
|
|
rot.multVec(d, d);
|
|
dir = gp_Dir(d.x, d.y, d.z);
|
|
} else if (refObject->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
|
|
if (subStrings[0].empty())
|
|
throw Base::Exception("No direction reference specified");
|
|
Part::Feature* refFeature = static_cast<Part::Feature*>(refObject);
|
|
Part::TopoShape refShape = refFeature->Shape.getShape();
|
|
TopoDS_Shape ref = refShape.getSubShape(subStrings[0].c_str());
|
|
|
|
if (ref.ShapeType() == TopAbs_FACE) {
|
|
TopoDS_Face refFace = TopoDS::Face(ref);
|
|
if (refFace.IsNull())
|
|
throw Base::Exception("Failed to extract direction plane");
|
|
BRepAdaptor_Surface adapt(refFace);
|
|
if (adapt.GetType() != GeomAbs_Plane)
|
|
throw Base::Exception("Direction face must be planar");
|
|
|
|
dir = adapt.Plane().Axis().Direction();
|
|
} else if (ref.ShapeType() == TopAbs_EDGE) {
|
|
TopoDS_Edge refEdge = TopoDS::Edge(ref);
|
|
if (refEdge.IsNull())
|
|
throw Base::Exception("Failed to extract direction edge");
|
|
BRepAdaptor_Curve adapt(refEdge);
|
|
if (adapt.GetType() != GeomAbs_Line)
|
|
throw Base::Exception("Direction edge must be a straight line");
|
|
|
|
dir = adapt.Line().Direction();
|
|
} else {
|
|
throw Base::Exception("Direction reference must be edge or face");
|
|
}
|
|
} else {
|
|
throw Base::Exception("Direction reference must be edge/face of a feature or a datum line/plane");
|
|
}
|
|
TopLoc_Location invObjLoc = this->getLocation().Inverted();
|
|
dir.Transform(invObjLoc.Transformation());
|
|
|
|
gp_Vec direction(dir.X(), dir.Y(), dir.Z());
|
|
|
|
if (reversed)
|
|
direction.Reverse();
|
|
|
|
// 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.SetTranslation(direction * i * offset);
|
|
transformations.push_back(trans);
|
|
}
|
|
|
|
return transformations;
|
|
}
|
|
|
|
}
|