348 lines
14 KiB
C++
348 lines
14 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Jan Rheinländer <jrheinlaender[at]users.sourceforge.net> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <cfloat>
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# include <BRepLib.hxx>
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# include <BRepBuilderAPI_MakeEdge.hxx>
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# include <BRepBuilderAPI_MakeFace.hxx>
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# include <BRepBuilderAPI_MakeVertex.hxx>
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# include <BRepBuilderAPI_MakeWire.hxx>
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# include <BRepBuilderAPI_GTransform.hxx>
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# include <BRep_Tool.hxx>
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# include <gp_GTrsf.hxx>
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# include <gp_Lin.hxx>
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# include <gp_Pln.hxx>
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# include <Geom_Line.hxx>
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# include <Geom_Plane.hxx>
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# include <Geom_CylindricalSurface.hxx>
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# include <Geom2d_Line.hxx>
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# include <Handle_Geom_Curve.hxx>
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# include <Handle_Geom_Surface.hxx>
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# include <Handle_Geom_Plane.hxx>
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# include <Handle_Geom2d_Line.hxx>
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# include <GeomAPI_IntCS.hxx>
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# include <GeomAPI_IntSS.hxx>
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# include <GeomAPI_ExtremaCurveCurve.hxx>
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# include <Precision.hxx>
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# include <Standard_Real.hxx>
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# include <TopoDS.hxx>
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# include <TopoDS_Vertex.hxx>
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# include <TopoDS_Edge.hxx>
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# include <TopoDS_Face.hxx>
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# include <BRepAdaptor_Curve.hxx>
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# include <BRepAdaptor_Surface.hxx>
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# include <Standard_Version.hxx>
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#endif
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#include <QObject>
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#include <App/Plane.h>
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#include "DatumPoint.h"
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#include "DatumLine.h"
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#include "DatumPlane.h"
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#include <Base/Tools.h>
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#include <Base/Console.h>
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#include <Base/Exception.h>
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#include "Mod/Part/App/PrimitiveFeature.h"
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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using namespace PartDesign;
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// Note: We don't distinguish between e.g. datum lines and edges here
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#define PLANE QObject::tr("DPLANE")
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#define CYLINDER QObject::tr("DCYLINDER")
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#define LINE QObject::tr("DLINE")
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#define POINT QObject::tr("DPOINT")
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#define ANGLE QObject::tr("Angle")
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// ================================ Initialize the hints =====================
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std::map<std::multiset<QString>, std::set<QString> > Point::hints = std::map<std::multiset<QString>, std::set<QString> >();
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void Point::initHints()
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{
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std::set<QString> DONE;
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DONE.insert(QObject::tr("Done"));
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std::multiset<QString> key;
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std::set<QString> value;
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key.insert(POINT);
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hints[key] = DONE; // POINT -> DONE. Point from another point or vertex
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key.clear(); value.clear();
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key.insert(LINE);
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value.insert(LINE); value.insert(PLANE);
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hints[key] = value; // LINE -> LINE or PLANE
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key.clear(); value.clear();
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key.insert(LINE); key.insert(LINE);
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hints[key] = DONE; // {LINE, LINE} -> DONE. Point from two lines or edges
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key.clear(); value.clear();
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key.insert(LINE); key.insert(PLANE);
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hints[key] = DONE; // {LINE, PLANE} -> DONE. Point from line and plane
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key.clear(); value.clear();
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key.insert(PLANE);
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value.insert(PLANE); value.insert(LINE);
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hints[key] = value; // PLANE -> PLANE or LINE
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key.clear(); value.clear();
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key.insert(PLANE); key.insert(PLANE);
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value.insert(PLANE);
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hints[key] = value; // {PLANE, PLANE} -> PLANE
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key.clear(); value.clear();
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key.insert(PLANE); key.insert(PLANE); key.insert(PLANE);
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hints[key] = DONE; // {PLANE, PLANE, PLANE} -> DONE. Point from three planes
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key.clear(); value.clear();
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value.insert(POINT); value.insert(LINE); value.insert(PLANE);
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hints[key] = value;
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}
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// ============================================================================
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PROPERTY_SOURCE(PartDesign::Point, Part::Datum)
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Point::Point()
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{
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// Create a shape, which will be used by the Sketcher. Them main function is to avoid a dependency of
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// Sketcher on the PartDesign module
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BRepBuilderAPI_MakeVertex builder(gp_Pnt(0,0,0));
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if (!builder.IsDone())
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return;
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Shape.setValue(builder.Shape());
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References.touch();
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}
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Point::~Point()
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{
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}
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void Point::onChanged(const App::Property* prop)
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{
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if (prop == &References) {
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refTypes.clear();
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std::vector<App::DocumentObject*> refs = References.getValues();
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std::vector<std::string> refnames = References.getSubValues();
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for (int r = 0; r < refs.size(); r++)
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refTypes.insert(getRefType(refs[r], refnames[r]));
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std::set<QString> hint = getHint();
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if (!((hint.size() == 1) && (hint.find(QObject::tr("Done")) != hint.end())))
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return; // incomplete references
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// Extract the geometry of the references
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Base::Vector3d* point = NULL;
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Handle_Geom_Curve c1 = NULL;
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Handle_Geom_Curve c2 = NULL;
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Handle_Geom_Surface s1 = NULL;
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Handle_Geom_Surface s2 = NULL;
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Handle_Geom_Surface s3 = NULL;
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for (int i = 0; i < refs.size(); i++) {
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if (refs[i]->getTypeId().isDerivedFrom(PartDesign::Point::getClassTypeId())) {
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PartDesign::Point* p = static_cast<PartDesign::Point*>(refs[i]);
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point = new Base::Vector3d (p->getPoint());
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} else if (refs[i]->getTypeId().isDerivedFrom(PartDesign::Line::getClassTypeId())) {
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PartDesign::Line* l = static_cast<PartDesign::Line*>(refs[i]);
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Base::Vector3d base = l->getBasePoint();
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Base::Vector3d dir = l->getDirection();
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if (c1.IsNull())
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c1 = new Geom_Line(gp_Pnt(base.x, base.y, base.z), gp_Dir(dir.x, dir.y, dir.z));
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else
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c2 = new Geom_Line(gp_Pnt(base.x, base.y, base.z), gp_Dir(dir.x, dir.y, dir.z));
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} else if (refs[i]->getTypeId().isDerivedFrom(PartDesign::Plane::getClassTypeId())) {
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PartDesign::Plane* p = static_cast<PartDesign::Plane*>(refs[i]);
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Base::Vector3d base = p->getBasePoint();
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Base::Vector3d normal = p->getNormal();
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if (s1.IsNull())
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s1 = new Geom_Plane(gp_Pnt(base.x, base.y, base.z), gp_Dir(normal.x, normal.y, normal.z));
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else if (s2.IsNull())
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s2 = new Geom_Plane(gp_Pnt(base.x, base.y, base.z), gp_Dir(normal.x, normal.y, normal.z));
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else
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s3 = new Geom_Plane(gp_Pnt(base.x, base.y, base.z), gp_Dir(normal.x, normal.y, normal.z));
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} else if (refs[i]->getTypeId().isDerivedFrom(App::Plane::getClassTypeId())) {
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App::Plane* p = static_cast<App::Plane*>(refs[i]);
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// Note: We only handle the three base planes here
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gp_Pnt base(0,0,0);
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gp_Dir normal;
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if (strcmp(p->getNameInDocument(), "BaseplaneXY") == 0)
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normal = gp_Dir(0,0,1);
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else if (strcmp(p->getNameInDocument(), "BaseplaneYZ") == 0)
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normal = gp_Dir(1,0,0);
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else if (strcmp(p->getNameInDocument(), "BaseplaneXZ") == 0)
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normal = gp_Dir(0,1,0);
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if (s1.IsNull())
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s1 = new Geom_Plane(base, normal);
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else if (s2.IsNull())
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s2 = new Geom_Plane(base, normal);
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else
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s3 = new Geom_Plane(base, normal);
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} else if (refs[i]->getTypeId().isDerivedFrom(Part::Feature::getClassTypeId())) {
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Part::Feature* feature = static_cast<Part::Feature*>(refs[i]);
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const TopoDS_Shape& sh = feature->Shape.getValue();
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if (sh.IsNull())
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return; // "PartDesign::Point: Reference has NULL shape"
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// Get subshape
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TopoDS_Shape subshape = feature->Shape.getShape().getSubShape(refnames[i].c_str());
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if (subshape.IsNull())
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return; // "PartDesign::Point: Reference has NULL subshape";
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if (subshape.ShapeType() == TopAbs_VERTEX) {
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TopoDS_Vertex v = TopoDS::Vertex(subshape);
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gp_Pnt p = BRep_Tool::Pnt(v);
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point = new Base::Vector3d(p.X(), p.Y(), p.Z());
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} else if (subshape.ShapeType() == TopAbs_EDGE) {
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TopoDS_Edge e = TopoDS::Edge(subshape);
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Standard_Real first, last;
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if (c1.IsNull())
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c1 = BRep_Tool::Curve(e, first, last);
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else
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c2 = BRep_Tool::Curve(e, first, last);
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} else if (subshape.ShapeType() == TopAbs_FACE) {
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TopoDS_Face f = TopoDS::Face(subshape);
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if (s1.IsNull())
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s1 = BRep_Tool::Surface(f);
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else if (s2.IsNull())
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s2 = BRep_Tool::Surface(f);
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else
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s3 = BRep_Tool::Surface(f);
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}
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} else {
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return; //"PartDesign::Point: Invalid reference type"
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}
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}
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if (point != NULL) {
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// Point from vertex or other point. Nothing to be done
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} else if (!c1.IsNull()) {
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if (!c2.IsNull()) {
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// Point from intersection of two curves
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GeomAPI_ExtremaCurveCurve intersector(c1, c2);
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if ((intersector.LowerDistance() > Precision::Confusion()) || (intersector.NbExtrema() == 0))
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return; // No intersection
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// Note: We don't check for multiple intersection points
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gp_Pnt p, p2;
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intersector.Points(1, p, p2);
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point = new Base::Vector3d(p.X(), p.Y(), p.Z());
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} else if (!s1.IsNull()) {
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GeomAPI_IntCS intersector(c1, s1);
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if (!intersector.IsDone() || (intersector.NbPoints() == 0))
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return;
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if (intersector.NbPoints() > 1)
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Base::Console().Warning("More than one intersection point for datum point from curve and surface");
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gp_Pnt p = intersector.Point(1);
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point = new Base::Vector3d(p.X(), p.Y(), p.Z());
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} else
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return;
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} else if (!s1.IsNull() && !s2.IsNull() && !s3.IsNull()) {
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GeomAPI_IntSS intersectorSS(s1, s2, Precision::Confusion());
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if (!intersectorSS.IsDone() || (intersectorSS.NbLines() == 0))
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return;
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if (intersectorSS.NbLines() > 1)
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Base::Console().Warning("More than one intersection line for datum point from surfaces");
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Handle_Geom_Curve line = intersectorSS.Line(1);
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GeomAPI_IntCS intersector(line, s3);
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if (!intersector.IsDone() || (intersector.NbPoints() == 0))
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return;
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if (intersector.NbPoints() > 1)
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Base::Console().Warning("More than one intersection point for datum point from surfaces");
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gp_Pnt p = intersector.Point(1);
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point = new Base::Vector3d(p.X(), p.Y(), p.Z());
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} else {
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return;
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}
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Placement.setValue(Base::Placement(*point, Base::Rotation()));
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delete point;
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}
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Part::Datum::onChanged(prop);
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}
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Base::Vector3d Point::getPoint()
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{
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return Placement.getValue().getPosition();
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}
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const std::set<QString> Point::getHint()
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{
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if (hints.find(refTypes) != hints.end())
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return hints[refTypes];
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else
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return std::set<QString>();
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}
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namespace PartDesign {
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const QString getRefType(const App::DocumentObject* obj, const std::string& subname)
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{
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Base::Type type = obj->getTypeId();
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if ((type == App::Plane::getClassTypeId()) || (type == PartDesign::Plane::getClassTypeId()))
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return PLANE;
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else if (type == PartDesign::Line::getClassTypeId())
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return LINE;
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else if (type == PartDesign::Point::getClassTypeId())
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return POINT;
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else if (type.isDerivedFrom(Part::Feature::getClassTypeId())) {
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if (subname.size() > 4 && subname.substr(0,4) == "Face") {
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const Part::Feature* feature = static_cast<const Part::Feature*>(obj);
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Part::TopoShape topShape = feature->Shape.getShape();
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TopoDS_Shape shape = topShape.getSubShape(subname.c_str());
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if (shape.IsNull() || (shape.ShapeType() != TopAbs_FACE))
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throw Base::Exception("Part::Datum::getRefType(): No valid subshape could be extracted");
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BRepAdaptor_Surface adapt(TopoDS::Face(shape));
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if (adapt.GetType() == GeomAbs_Plane)
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return PLANE;
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else if (adapt.GetType() == GeomAbs_Cylinder)
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return CYLINDER;
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else
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throw Base::Exception("Part::Datum::getRefType(): Only planar and cylindrical faces are allowed");
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} else if (subname.size() > 4 && subname.substr(0,4) == "Edge") {
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// Note: For now, only linear references are possible
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return LINE;
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} else if (subname.size() > 6 && subname.substr(0,6) == "Vertex") {
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return POINT;
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}
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}
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throw Base::Exception("Part::Datum::getRefType(): Illegal object type");
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}
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}
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