/****************************************************************************** * Copyright (c) 2012 Jan Rheinländer * * * * 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 # include # include # include # include # include # include #endif #include #include #include #include #include "FeatureLinearPattern.h" #include "DatumLine.h" #include "DatumPlane.h" using namespace PartDesign; namespace PartDesign { PROPERTY_SOURCE(PartDesign::LinearPattern, PartDesign::Transformed) const App::PropertyIntegerConstraint::Constraints LinearPattern::intOccurrences = { 1, INT_MAX, 1 }; LinearPattern::LinearPattern() { ADD_PROPERTY_TYPE(Direction,(nullptr),"LinearPattern",(App::PropertyType)(App::Prop_None),"Direction"); ADD_PROPERTY(Reversed,(0)); ADD_PROPERTY(Length,(100.0)); ADD_PROPERTY(Occurrences,(3)); Occurrences.setConstraints(&intOccurrences); } short LinearPattern::mustExecute() const { if (Direction.isTouched() || Reversed.isTouched() || Length.isTouched() || Occurrences.isTouched()) return 1; return Transformed::mustExecute(); } const std::list LinearPattern::getTransformations(const std::vector) { double distance = Length.getValue(); if (distance < Precision::Confusion()) throw Base::ValueError("Pattern length too small"); int occurrences = Occurrences.getValue(); if (occurrences < 1) throw Base::ValueError("At least one occurrence required"); bool reversed = Reversed.getValue(); App::DocumentObject* refObject = Direction.getValue(); if (!refObject) throw Base::ValueError("No direction reference specified"); std::vector subStrings = Direction.getSubValues(); if (subStrings.empty()) throw Base::ValueError("No direction reference specified"); gp_Dir dir; if (refObject->getTypeId().isDerivedFrom(Part::Part2DObject::getClassTypeId())) { Part::Part2DObject* refSketch = static_cast(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].compare(0, 4, "Axis") == 0) { int AxId = std::atoi(subStrings[0].substr(4,4000).c_str()); if (AxId >= 0 && AxId < refSketch->getAxisCount()) axis = refSketch->getAxis(AxId); } else if (subStrings[0].compare(0, 4, "Edge") == 0) { Part::TopoShape refShape = refSketch->Shape.getShape(); TopoDS_Shape ref = refShape.getSubShape(subStrings[0].c_str()); TopoDS_Edge refEdge = TopoDS::Edge(ref); if (refEdge.IsNull()) throw Base::ValueError("Failed to extract direction edge"); BRepAdaptor_Curve adapt(refEdge); if (adapt.GetType() != GeomAbs_Line) throw Base::TypeError("Direction edge must be a straight line"); gp_Pnt p = adapt.Line().Location(); gp_Dir d = adapt.Line().Direction(); axis.setBase(Base::Vector3d(p.X(), p.Y(), p.Z())); axis.setDirection(Base::Vector3d(d.X(), d.Y(), d.Z())); } 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(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(refObject); Base::Vector3d d = line->getDirection(); dir = gp_Dir(d.x, d.y, d.z); } else if (refObject->getTypeId().isDerivedFrom(App::Line::getClassTypeId())) { App::Line* line = static_cast(refObject); Base::Rotation rot = line->Placement.getValue().getRotation(); Base::Vector3d d(1,0,0); 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::ValueError("No direction reference specified"); Part::Feature* refFeature = static_cast(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::ValueError("Failed to extract direction plane"); BRepAdaptor_Surface adapt(refFace); if (adapt.GetType() != GeomAbs_Plane) throw Base::TypeError("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::ValueError("Failed to extract direction edge"); BRepAdaptor_Curve adapt(refEdge); if (adapt.GetType() != GeomAbs_Line) throw Base::ValueError("Direction edge must be a straight line"); dir = adapt.Line().Direction(); } else { throw Base::ValueError("Direction reference must be edge or face"); } } else { throw Base::ValueError("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 transformations; gp_Trsf trans; transformations.push_back(trans); // identity transformation if (occurrences > 1) { double offset = distance / (occurrences - 1); for (int i = 1; i < occurrences; i++) { trans.SetTranslation(direction * i * offset); transformations.push_back(trans); } } return transformations; } void LinearPattern::handleChangedPropertyType(Base::XMLReader& reader, const char* TypeName, App::Property* prop) // transforms properties that had been changed { // property Occurrences had the App::PropertyInteger and was changed to App::PropertyIntegerConstraint if (prop == &Occurrences && strcmp(TypeName, "App::PropertyInteger") == 0) { App::PropertyInteger OccurrencesProperty; // restore the PropertyInteger to be able to set its value OccurrencesProperty.Restore(reader); Occurrences.setValue(OccurrencesProperty.getValue()); } else { Transformed::handleChangedPropertyType(reader, TypeName, prop); } } }