#include <GeomAlgoAPI_Placement.h>
#include <GeomAlgoAPI_DFLoader.h>
+#include <GeomAPI_Edge.h>
+#include <GeomAPI_Lin.h>
#include <GeomAPI_Pnt.h>
#include <GeomAPI_Pln.h>
+#include <GeomAPI_Vertex.h>
+#include <GeomAPI_XYZ.h>
#include <BRepBuilderAPI_Transform.hxx>
#include <gp_Trsf.hxx>
#include <BRepGProp.hxx>
#include <Precision.hxx>
-#define DEB_PLACEMENT 1
GeomAlgoAPI_Placement::GeomAlgoAPI_Placement(
- std::shared_ptr<GeomAPI_Shape> theSourceShape,
- std::shared_ptr<GeomAPI_Shape> theDestShape,
- std::shared_ptr<GeomAPI_Face> theSourcePlane,
- std::shared_ptr<GeomAPI_Face> theDestPlane,
- bool theIsReverse,
- bool theIsCentering)
+ std::shared_ptr<GeomAPI_Shape> theSourceSolid,
+ std::shared_ptr<GeomAPI_Shape> theDestSolid,
+ std::shared_ptr<GeomAPI_Shape> theSourceShape,
+ std::shared_ptr<GeomAPI_Shape> theDestShape,
+ bool theIsReverse,
+ bool theIsCentering,
+ bool theSimpleTransform)
: myDone(false),
- myShape(new GeomAPI_Shape())
+ myShape(new GeomAPI_Shape())
{
- build(theSourceShape, theDestShape, theSourcePlane, theDestPlane, theIsReverse, theIsCentering);
+ build(theSourceSolid, theDestSolid, theSourceShape, theDestShape,
+ theIsReverse, theIsCentering, theSimpleTransform);
}
void GeomAlgoAPI_Placement::build(
- const std::shared_ptr<GeomAPI_Shape>& theSourceShape,
- const std::shared_ptr<GeomAPI_Shape>& theDestShape,
- const std::shared_ptr<GeomAPI_Face>& theSourcePlane,
- const std::shared_ptr<GeomAPI_Face>& theDestPlane,
- bool theIsReverse,
- bool theIsCentering)
+ 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,
+ bool theIsReverse,
+ bool theIsCentering,
+ bool theSimpleTransform)
{
- std::shared_ptr<GeomAPI_Pln> aSourcePlane = theSourcePlane->getPlane();
- std::shared_ptr<GeomAPI_Pln> aDestPlane = theDestPlane->getPlane();
- std::shared_ptr<GeomAPI_Dir> aSourceDir = aSourcePlane->direction();
- std::shared_ptr<GeomAPI_Pnt> aSourceLoc = aSourcePlane->location();
- std::shared_ptr<GeomAPI_Dir> aDestDir = aDestPlane->direction();
- std::shared_ptr<GeomAPI_Pnt> aDestLoc = aDestPlane->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};
- // Initial shapes
- const TopoDS_Shape& aSourceShape = theSourceShape->impl<TopoDS_Shape>();
- const TopoDS_Shape& aDestShape = theDestShape->impl<TopoDS_Shape>();
+ for (int i = 0; i < aNbObjects; i++) {
+ if (aShapes[i]->isFace()) {
+ std::shared_ptr<GeomAPI_Face> aFace(new GeomAPI_Face(aShapes[i]));
+ std::shared_ptr<GeomAPI_Pln> aPlane = aFace->getPlane();
+ std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
+ std::shared_ptr<GeomAPI_Pnt> aLoc = aPlane->location();
+ aSrcDstPoints[i].SetCoord(aLoc->x(), aLoc->y(), aLoc->z());
+ aSrcDstNormals[i].SetCoord(aDir->x(), aDir->y(), aDir->z());
+ } else if (aShapes[i]->isEdge()) {
+ std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aShapes[i]));
+ std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
+ std::shared_ptr<GeomAPI_Dir> aDir = aLine->direction();
+ 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());
+ aSrcDstDirections[i].SetCoord(aDir->x(), aDir->y(), aDir->z());
+ } else if (aShapes[i]->isVertex()) {
+ std::shared_ptr<GeomAPI_Vertex> aVertex(new GeomAPI_Vertex(aShapes[i]));
+ 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();
+ }
- // Calculate transformation
- gp_Trsf aTrsf;
- gp_Vec aSrcDir(aSourceDir->x(), aSourceDir->y(), aSourceDir->z());
- gp_Vec aDstDir(aDestDir->x(), aDestDir->y(), aDestDir->z());
+ // 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;
- aClassifier.Load(aSourceShape);
static const double aTransStep = 10. * Precision::Confusion();
- gp_Pnt aPoint(aSourceLoc->x(), aSourceLoc->y(), aSourceLoc->z());
- aPoint.Translate(aSrcDir * aTransStep);
- aClassifier.Perform(aPoint, Precision::Confusion());
- if ((aClassifier.State() == TopAbs_OUT && !theIsReverse) ||
+ 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))
- aSrcDir.Reverse();
- aClassifier.Load(aDestShape);
- aPoint.SetCoord(aDestLoc->x(), aDestLoc->y(), aDestLoc->z());
- aPoint.Translate(aDstDir * aTransStep);
- aClassifier.Perform(aPoint, Precision::Confusion());
- if (aClassifier.State() == TopAbs_IN)
- aDstDir.Reverse();
+ 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();
+ }
+
+ // 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];
+ }
+ }
+ }
+
+ // Reverse the normal if it was not done before
+ if (!hasNormal[0] && theIsReverse)
+ aSrcDstNormals[0].Reverse();
+
+ // 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(aSourceLoc->x(), aSourceLoc->y(), aSourceLoc->z());
- gp_Vec aDstLoc(aDestLoc->x(), aDestLoc->y(), aDestLoc->z());
+ 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);
- // Transform the shape with copying it
- BRepBuilderAPI_Transform* aBuilder = new BRepBuilderAPI_Transform(aSourceShape, aTrsf, true);
- if(aBuilder) {
- setImpl(aBuilder);
- myDone = aBuilder->IsDone() == Standard_True;
- if (myDone) {
- TopoDS_Shape 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);
+ if (theSimpleTransform) { // just add transformation
+ TopLoc_Location aDelta(aTrsf);
+ TopoDS_Shape aResult = aSourceShape.Moved(aDelta);
+ myShape->setImpl(new TopoDS_Shape(aResult));
+ // store the accumulated information about the result and this delta
+ //myTrsf = std::shared_ptr<GeomAPI_Trsf>(new GeomAPI_Trsf(new gp_Trsf(aTrsf * aSourceShape.Location().Transformation())));
+ myTrsf = std::shared_ptr<GeomAPI_Trsf>(new GeomAPI_Trsf(new gp_Trsf(aTrsf)));
+ myDone = 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) {
+ setImpl(aBuilder);
+ myDone = aBuilder->IsDone() == Standard_True;
+ if (myDone) {
+ TopoDS_Shape 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);
}
-#ifdef DEB_PLACEMENT
- int aNum = myMap.size();
- cout << "MAP of Oriented shapes =" << aNum <<endl;
-
-#endif
-
- myShape->setImpl(new TopoDS_Shape(aResult));
- myMkShape = new GeomAlgoAPI_MakeShape (aBuilder);
}
}
}
//============================================================================
const bool GeomAlgoAPI_Placement::isValid() const
{
- BRepCheck_Analyzer aChecker(myShape->impl<TopoDS_Shape>());
- return (aChecker.IsValid() == Standard_True);
+ if (myShape.get()) { // only for not-simple transform
+ BRepCheck_Analyzer aChecker(myShape->impl<TopoDS_Shape>());
+ return (aChecker.IsValid() == Standard_True);
+ }
+ return true;
}
//============================================================================
return myMkShape;
}
+std::shared_ptr<GeomAPI_Trsf> GeomAlgoAPI_Placement::transformation() const
+{
+ return myTrsf;
+}
+
//============================================================================
GeomAlgoAPI_Placement::~GeomAlgoAPI_Placement()
{
- if (myImpl)
+ if (!empty())
myMap.clear();
-}
\ No newline at end of file
+}
