120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
102 lines
4.4 KiB
C++
102 lines
4.4 KiB
C++
/***************************************************************************
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* Copyright (c) Jürgen Riegel (juergen.riegel@web.de) 2008 *
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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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#ifndef PART_PART2DOBJECT_H
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#define PART_PART2DOBJECT_H
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#include <App/PropertyStandard.h>
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#include "PartFeature.h"
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class TopoDS_Face;
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namespace Part
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{
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class Geometry;
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/** 2D Shape
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* This is a specialiced version of the PartShape for use with
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* flat (2D) geometry. The Z direction has always to be 0.
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* The position and orientation of the Plane this 2D geometry is
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* referenced is defined by the Placement property. It also
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* has a link to a supporting Face which defines the position
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* in space where it is located. If the support is changed the
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* static methode positionBySupport() is used to calculate a
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* new position for the Part2DObject.
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* This object can be used stand alone or for constraint
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* geometry as its descend Sketcher::SketchObject .
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*/
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class PartExport Part2DObject : public Part::Feature
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{
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PROPERTY_HEADER(Part::Part2DObject);
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public:
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Part2DObject();
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/// if the 2DObject lies on the Face of an other object this links to it
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App::PropertyLinkSub Support;
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/** calculate a position out of a support face
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* this methode will calculate the position of the
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* 2D shape on a supporting Face. The Normal(Orientation) get
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* extracted from the Face and for the position an educated guess is made,
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* by examining the placement of the support object (not only the face).
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* If the support is changed this methode is called do determine a new
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* postion of the 2D shape on the supporting Face
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*/
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static Base::Placement positionBySupport(const TopoDS_Face &face, const Base::Placement &Place);
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/** calculate the points where a curve with index GeoId should be trimmed
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* with respect to the rest of the curves contained in the list geomlist
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* and a picked point. The outputs intersect1 and intersect2 specify the
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* tightest boundaries for trimming around the picked point and the
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* indexes GeoId1 and GeoId2 specify the corresponding curves that intersect
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* the curve GeoId.
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*/
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static bool seekTrimPoints(const std::vector<Geometry *> &geomlist,
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int GeoId, const Base::Vector3d &point,
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int &GeoId1, Base::Vector3d &intersect1,
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int &GeoId2, Base::Vector3d &intersect2);
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/** @name methods overide Feature */
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//@{
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/// recalculate the Feature
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App::DocumentObjectExecReturn *execute(void);
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/// returns the type name of the ViewProvider
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const char* getViewProviderName(void) const {
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return "PartGui::ViewProvider2DObject";
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}
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//@}
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};
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typedef App::FeaturePythonT<Part2DObject> Part2DObjectPython;
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} //namespace Part
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#endif // PART_PART2DOBJECT_H
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