-// File: GeomAlgoAPI_Placement.cpp
-// Created: 2 Dec 2014
-// Author: Artem ZHIDKOV
+// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 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
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or
+// email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+//
+
+#include "GeomAlgoAPI_Placement.h"
-#include <GeomAlgoAPI_Placement.h>
#include <GeomAlgoAPI_DFLoader.h>
+#include <GeomAlgoAPI_ShapeTools.h>
+#include <GeomAPI_Dir.h>
+#include <GeomAPI_Edge.h>
+#include <GeomAPI_Face.h>
+#include <GeomAPI_Lin.h>
#include <GeomAPI_Pnt.h>
+#include <GeomAPI_Pln.h>
+#include <GeomAPI_ShapeIterator.h>
+#include <GeomAPI_Vertex.h>
+#include <GeomAPI_XYZ.h>
#include <BRepBuilderAPI_Transform.hxx>
+#include <BRepClass3d_SolidClassifier.hxx>
+#include <BRepGProp.hxx>
#include <gp_Trsf.hxx>
#include <gp_Quaternion.hxx>
-#include <TopExp_Explorer.hxx>
-#include <BRepCheck_Analyzer.hxx>
#include <GProp_GProps.hxx>
-#include <BRepGProp.hxx>
#include <Precision.hxx>
-
-GeomAlgoAPI_Placement::GeomAlgoAPI_Placement(
- std::shared_ptr<GeomAPI_Shape> theAttractiveFace,
- std::shared_ptr<GeomAPI_Pln> theSourcePlane,
- std::shared_ptr<GeomAPI_Pln> theDestPlane)
- : myDone(false),
- myShape(new GeomAPI_Shape())
+GeomAlgoAPI_Placement::GeomAlgoAPI_Placement(const std::shared_ptr<GeomAPI_Shape> theSourceSolid,
+ const std::shared_ptr<GeomAPI_Shape> theDestSolid,
+ const std::shared_ptr<GeomAPI_Shape> theSourceShape,
+ const std::shared_ptr<GeomAPI_Shape> theDestShape,
+ const bool theIsReverse,
+ const bool theIsCentering,
+ const bool theSimpleTransform)
{
- build(theAttractiveFace, theSourcePlane, theDestPlane);
+ build(theSourceSolid, theDestSolid, theSourceShape, theDestShape,
+ theIsReverse, theIsCentering, theSimpleTransform);
}
-void GeomAlgoAPI_Placement::build(
- const std::shared_ptr<GeomAPI_Shape>& theAttractiveShape,
- const std::shared_ptr<GeomAPI_Pln>& theSourcePlane,
- const std::shared_ptr<GeomAPI_Pln>& theDestPlane)
+void GeomAlgoAPI_Placement::build(const std::shared_ptr<GeomAPI_Shape>& theSourceSolid,
+ const std::shared_ptr<GeomAPI_Shape>& theDestSolid,
+ const std::shared_ptr<GeomAPI_Shape>& theSourceShape,
+ const std::shared_ptr<GeomAPI_Shape>& theDestShape,
+ const bool theIsReverse,
+ const bool theIsCentering,
+ const bool theSimpleTransform)
{
- std::shared_ptr<GeomAPI_Dir> aSourceDir = theSourcePlane->direction();
- std::shared_ptr<GeomAPI_Pnt> aSourceLoc = theSourcePlane->location();
- std::shared_ptr<GeomAPI_Dir> aDestDir = theDestPlane->direction();
- std::shared_ptr<GeomAPI_Pnt> aDestLoc = theDestPlane->location();
+ // Filling the parameters of the objects
+ static const int aNbObjects = 2;
+ gp_Pnt aSrcDstPoints[aNbObjects]; // points on the selected objects (0 - source, 1 - destination)
+ gp_Vec aSrcDstNormals[aNbObjects]; // normal vectors, if planar faces are selected
+ gp_Vec aSrcDstDirections[aNbObjects]; // directions of linear edges
+ bool hasNormal[aNbObjects];
+ bool hasDirection[aNbObjects];
+ std::shared_ptr<GeomAPI_Shape> aShapes[aNbObjects] = {theSourceShape, theDestShape};
- // Calculate transformation
- gp_Trsf aTrsf;
- gp_Vec aSrcDir(aSourceDir->x(), aSourceDir->y(), aSourceDir->z());
- gp_Vec aDstDir(aDestDir->x(), aDestDir->y(), aDestDir->z());
- gp_Quaternion aRot(aSrcDir, aDstDir);
- gp_Vec aTrans(aDestLoc->x() - aSourceLoc->x(),
- aDestLoc->y() - aSourceLoc->y(),
- aDestLoc->z() - aSourceLoc->z());
- aTrsf.SetTransformation(aRot, aTrans);
+ GProp_GProps aProps;
+ static const double aPropEps = 1.e-4;
+ GeomShapePtr aShape;
+ bool isCompound = false;
+ for (int i = 0; i < aNbObjects; i++) {
+ aShape = aShapes[i];
+ isCompound = false;
+ if (aShapes[i]->isCompound()) {
+ isCompound = true;
+ GeomAPI_ShapeIterator anIt(aShapes[i]);
+ aShape = anIt.current();
+
+ GeomPointPtr aPnt = GeomAlgoAPI_ShapeTools::centreOfMass(aShapes[i]);
+ aSrcDstPoints[i].SetCoord(aPnt->x(), aPnt->y(), aPnt->z());
+ }
+
+ if (aShape->isFace()) {
+ std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aShape));
+ std::shared_ptr<GeomAPI_Pln> aPlane = aFace->getPlane();
+ std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
+ aSrcDstNormals[i].SetCoord(aDir->x(), aDir->y(), aDir->z());
- // Transform the shape with copying it
- const TopoDS_Shape& aShape = theAttractiveShape->impl<TopoDS_Shape>();
- BRepBuilderAPI_Transform* aBuilder = new BRepBuilderAPI_Transform(aShape, aTrsf, true);
- if(aBuilder) {
- setImpl(aBuilder);
- myDone = aBuilder->IsDone() == Standard_True;
- if (myDone) {
- TopoDS_Shape aResult;
- if(aBuilder->Shape().ShapeType() == TopAbs_COMPOUND)
- aResult = GeomAlgoAPI_DFLoader::refineResult(aBuilder->Shape());
- else
- aResult = aBuilder->Shape();
- // fill data map to keep correct orientation of sub-shapes
- for (TopExp_Explorer Exp(aResult,TopAbs_FACE); Exp.More(); Exp.Next()) {
- std::shared_ptr<GeomAPI_Shape> aCurrentShape(new GeomAPI_Shape());
- aCurrentShape->setImpl(new TopoDS_Shape(Exp.Current()));
- myMap.bind(aCurrentShape, aCurrentShape);
- }
- myShape->setImpl(new TopoDS_Shape(aResult));
- myMkShape = new GeomAlgoAPI_MakeShape (aBuilder);
+ if (!isCompound) {
+ BRepGProp::SurfaceProperties(aFace->impl<TopoDS_Face>(), aProps, aPropEps);
+ gp_Pnt aLoc = aProps.CentreOfMass();
+ aSrcDstPoints[i].SetCoord(aLoc.X(), aLoc.Y(), aLoc.Z());
+ }
}
+ else if (aShape->isEdge()) {
+ std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aShape));
+ std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
+ std::shared_ptr<GeomAPI_Dir> aDir = aLine->direction();
+ aSrcDstDirections[i].SetCoord(aDir->x(), aDir->y(), aDir->z());
+
+ if (!isCompound) {
+ std::shared_ptr<GeomAPI_Pnt> aFirstPnt = anEdge->firstPoint();
+ std::shared_ptr<GeomAPI_Pnt> aLastPnt = anEdge->lastPoint();
+ std::shared_ptr<GeomAPI_XYZ> aLoc = aFirstPnt->xyz()->added(aLastPnt->xyz())
+ ->multiplied(0.5);
+ aSrcDstPoints[i].SetCoord(aLoc->x(), aLoc->y(), aLoc->z());
+ }
+ }
+ else if (aShape->isVertex()) {
+ std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aShape));
+ std::shared_ptr<GeomAPI_Pnt> aPnt = aVertex->point();
+ aSrcDstPoints[i].SetCoord(aPnt->x(), aPnt->y(), aPnt->z());
+ } else // something goes wrong
+ return;
+ hasNormal[i] = aSrcDstNormals[i].SquareMagnitude() >= Precision::SquareConfusion();
+ hasDirection[i] = aSrcDstDirections[i].SquareMagnitude() >= Precision::SquareConfusion();
}
-}
-//============================================================================
-const bool GeomAlgoAPI_Placement::isValid() const
-{
- BRepCheck_Analyzer aChecker(myShape->impl<TopoDS_Shape>());
- return (aChecker.IsValid() == Standard_True);
-}
+ // Initial shapes
+ const TopoDS_Shape& aSourceShape = theSourceSolid->impl<TopoDS_Shape>();
+ const TopoDS_Shape& aDestShape = theDestSolid->impl<TopoDS_Shape>();
+ // Check the material of the solids to be on the correct side
+ BRepClass3d_SolidClassifier aClassifier;
+ static const double aTransStep = 10. * Precision::Confusion();
+ if (hasNormal[0]) {
+ aClassifier.Load(aSourceShape);
+ gp_Pnt aPoint = aSrcDstPoints[0];
+ aPoint.Translate(aSrcDstNormals[0] * aTransStep);
+ aClassifier.Perform(aPoint, Precision::Confusion());
+ if ((aClassifier.State() == TopAbs_OUT && !theIsReverse) ||
+ (aClassifier.State() == TopAbs_IN && theIsReverse))
+ aSrcDstNormals[0].Reverse();
+ }
+ if (hasNormal[1]) {
+ aClassifier.Load(aDestShape);
+ gp_Pnt aPoint = aSrcDstPoints[1];
+ aPoint.Translate(aSrcDstNormals[1] * aTransStep);
+ aClassifier.Perform(aPoint, Precision::Confusion());
+ if (aClassifier.State() == TopAbs_IN)
+ aSrcDstNormals[1].Reverse();
+ }
-//============================================================================
-const bool GeomAlgoAPI_Placement::hasVolume() const
-{
- bool hasVolume(false);
- if(isValid()) {
- const TopoDS_Shape& aRShape = myShape->impl<TopoDS_Shape>();
- GProp_GProps aGProp;
- BRepGProp::VolumeProperties(aRShape, aGProp);
- if(aGProp.Mass() > Precision::Confusion())
- hasVolume = true;
+ // Calculate directions, which comply the normal, for vertices and edges
+ if (!hasNormal[0] || !hasNormal[1]) {
+ if (hasNormal[0] || hasNormal[1]) { // plane with line or vertex
+ if (hasDirection[0] || hasDirection[1]) { // plane - line
+ int anInd = hasDirection[0] ? 0 : 1;
+ gp_Vec aVec = aSrcDstNormals[1 - anInd].Crossed(aSrcDstDirections[anInd]);
+ if (aVec.SquareMagnitude() < Precision::SquareConfusion()) {
+ // normal and direction are collinear
+ aVec = aSrcDstNormals[1 - anInd].Crossed(
+ gp_Vec(aSrcDstPoints[1 - anInd], aSrcDstPoints[anInd]));
+ if (aVec.SquareMagnitude() < Precision::SquareConfusion()) {
+ // normal and points direction are collinear
+ if (Abs(aSrcDstNormals[1 - anInd].Y()) >= Precision::Confusion() ||
+ Abs(aSrcDstNormals[1 - anInd].Z()) >= Precision::Confusion())
+ aVec = gp::DX();
+ else
+ aVec = gp::DY();
+ }
+ }
+ aSrcDstNormals[anInd] = aSrcDstDirections[anInd].Crossed(aVec).Normalized();
+ } else { // plane - point
+ int anInd = hasNormal[0] ? 1 : 0;
+ aSrcDstNormals[anInd] = aSrcDstNormals[1 - anInd];
+ }
+ } else {
+ if (hasDirection[0] && hasDirection[1]) { // line - line
+ gp_Vec aVec = aSrcDstDirections[0].Crossed(aSrcDstDirections[1]);
+ if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // lines are parallel
+ aVec = aSrcDstDirections[0].Crossed(gp_Vec(aSrcDstPoints[0], aSrcDstPoints[1]));
+ if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // lines are equal
+ if (Abs(aSrcDstDirections[0].Y()) >= Precision::Confusion() ||
+ Abs(aSrcDstDirections[0].Z()) >= Precision::Confusion())
+ aVec = gp::DX();
+ else
+ aVec = gp::DY();
+ }
+ }
+ aSrcDstNormals[0] = aSrcDstDirections[0].Crossed(aVec);
+ aSrcDstNormals[0].Normalize();
+ aSrcDstNormals[1] = aSrcDstDirections[1].Crossed(aVec);
+ aSrcDstNormals[1].Normalize();
+ if (aSrcDstDirections[0].Dot(aSrcDstDirections[1]) < -Precision::Confusion())
+ aSrcDstNormals[1].Reverse();
+ } else if (!hasDirection[0] && !hasDirection[1]) { // point - point
+ aSrcDstNormals[0] = gp_Vec(aSrcDstPoints[0], aSrcDstPoints[1]);
+ aSrcDstNormals[0].Normalize();
+ aSrcDstNormals[1] = -aSrcDstNormals[0];
+ } else { // line - point
+ int anInd = hasDirection[0] ? 0 : 1;
+ gp_Vec aVec(aSrcDstPoints[anInd], aSrcDstPoints[1 - anInd]);
+ aVec.Cross(aSrcDstDirections[anInd]);
+ if (aVec.SquareMagnitude() < Precision::SquareConfusion()) { // point is on line
+ if (Abs(aSrcDstDirections[1 - anInd].Y()) >= Precision::Confusion() ||
+ Abs(aSrcDstDirections[1 - anInd].Z()) >= Precision::Confusion())
+ aVec = gp::DX();
+ else
+ aVec = gp::DY();
+ }
+ aSrcDstNormals[anInd] = aSrcDstDirections[anInd].Crossed(aVec).Normalized();
+ aSrcDstNormals[1 - anInd] = aSrcDstNormals[anInd];
+ }
+ }
}
- return hasVolume;
-}
-//============================================================================
-const std::shared_ptr<GeomAPI_Shape>& GeomAlgoAPI_Placement::shape () const
-{
- return myShape;
-}
+ // Reverse the normal if it was not done before
+ if (!hasNormal[0] && theIsReverse)
+ aSrcDstNormals[0].Reverse();
-//============================================================================
-void GeomAlgoAPI_Placement::mapOfShapes (GeomAPI_DataMapOfShapeShape& theMap) const
-{
- theMap = myMap;
-}
+ // Calculate transformation
+ gp_Trsf aTrsf;
+ gp_Vec aSrcDir = aSrcDstNormals[0];
+ gp_Vec aDstDir = aSrcDstNormals[1];
+ // Calculate rotation
+ gp_Quaternion aRot(aSrcDir, aDstDir);
+ aTrsf.SetRotation(aRot);
+ // Calculate translation
+ gp_Vec aSrcLoc(aSrcDstPoints[0].XYZ());
+ gp_Vec aDstLoc(aSrcDstPoints[1].XYZ());
+ if (!theIsCentering)
+ aDstLoc = aSrcLoc + gp_Vec(aDstDir) * (aDstLoc-aSrcLoc).Dot(aDstDir);
+ aSrcLoc.Transform(aTrsf);
+ gp_Vec aTrans = aDstLoc - aSrcLoc;
+ aTrsf.SetTransformation(aRot, aTrans);
-//============================================================================
-GeomAlgoAPI_MakeShape * GeomAlgoAPI_Placement::makeShape() const
-{
- return myMkShape;
+ if (theSimpleTransform) { // just add transformation
+ TopLoc_Location aDelta(aTrsf);
+ // store the accumulated information about the result and this delta
+ myTrsf.reset(new GeomAPI_Trsf(new gp_Trsf(aTrsf)));
+ TopoDS_Shape aResult = aSourceShape.Moved(aDelta);
+ std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(aResult));
+ this->setShape(aShape);
+ this->setDone(true); // it is allways true for simple transformation generation
+ } else { // internal rebuild of the shape
+ // Transform the shape with copying it
+ BRepBuilderAPI_Transform* aBuilder = new BRepBuilderAPI_Transform(aSourceShape, aTrsf, true);
+ if(!aBuilder) {
+ return;
+ }
+ this->setImpl(aBuilder);
+ this->setBuilderType(OCCT_BRepBuilderAPI_MakeShape);
+ if(aBuilder->IsDone() != Standard_True) {
+ return;
+ }
+ TopoDS_Shape aResult = aBuilder->Shape();
+
+ std::shared_ptr<GeomAPI_Shape> aShape(new GeomAPI_Shape());
+ aShape->setImpl(new TopoDS_Shape(aResult));
+ this->setShape(aShape);
+ this->setDone(true);
+ }
}
-//============================================================================
-GeomAlgoAPI_Placement::~GeomAlgoAPI_Placement()
+//=================================================================================================
+std::shared_ptr<GeomAPI_Trsf> GeomAlgoAPI_Placement::transformation() const
{
- if (myImpl)
- myMap.clear();
-}
\ No newline at end of file
+ return myTrsf;
+}