-// Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+// Copyright (C) 2014-2023 CEA, EDF
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
//
// 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
+// 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>
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
#include <GeomAPI_Shape.h>
#include "ModelGeomAlgo_Shape.h"
+#include <ModelAPI_AttributeSelection.h>
+#include <ModelAPI_CompositeFeature.h>
#include <ModelAPI_Feature.h>
#include <ModelAPI_Result.h>
+#include <ModelAPI_ResultBody.h>
+#include <ModelAPI_ResultConstruction.h>
+
+#include <GeomAPI_Circ.h>
+#include <GeomAPI_Ellipse.h>
+#include <GeomAPI_PlanarEdges.h>
+#include <GeomAPI_Pnt.h>
+
+#include <GeomAlgoAPI_ShapeTools.h>
#ifdef WIN32
theShapeResults.insert(aResult);
}
}
+
+ // Check the point is within shape's bounding box
+ static bool isPointWithinBB(const GeomPointPtr& thePoint,
+ const GeomShapePtr& theShape,
+ const double theTolerance)
+ {
+ double aXMin, aXMax, aYMin, aYMax, aZMin, aZMax;
+ return theShape->computeSize(aXMin, aYMin, aZMin, aXMax, aYMax, aZMax) &&
+ thePoint->x() >= aXMin - theTolerance && thePoint->x() <= aXMax + theTolerance &&
+ thePoint->y() >= aYMin - theTolerance && thePoint->y() <= aYMax + theTolerance &&
+ thePoint->z() >= aZMin - theTolerance && thePoint->z() <= aZMax + theTolerance;
+ }
+
+ // Select sub-shape of the given type, which contains the given point
+ static std::list<GeomShapePtr> findSubShape(const GeomShapePtr& theShape,
+ const GeomAPI_Shape::ShapeType& theType,
+ const GeomPointPtr& thePoint,
+ const double theTolerance)
+ {
+ std::list<GeomShapePtr> aFoundSubs;
+ std::list<GeomShapePtr> aSubs = theShape->subShapes(theType);
+ for (std::list<GeomShapePtr>::const_iterator aSubIt = aSubs.begin();
+ aSubIt != aSubs.end(); ++aSubIt) {
+ GeomPointPtr aMiddlePoint = (*aSubIt)->middlePoint();
+ if (!aMiddlePoint)
+ continue;
+
+ double aDistance = aMiddlePoint->distance(thePoint);
+ bool isFound = aDistance < theTolerance;
+ // issue #19019: special workaround for faces, because if the face contains B-spline contour,
+ // the middle point is calculated with respect to its poles, but not a curve itself.
+ // Thus, in some operations (like BOP) the curve may have different number of poles
+ // from time to time, as a result, the face parametric boundaries are floating
+ // as well as the middle point.
+ // The workaround is to find a distance from the picking point to the face, if the distance
+ // between the picking point and the middle point on the face is small to some extend.
+ static const double THE_THRESHOLD = 100.;
+ if (!isFound && aDistance < THE_THRESHOLD * theTolerance && (*aSubIt)->isFace()) {
+ GeomVertexPtr aVertex(new GeomAPI_Vertex(thePoint));
+ aDistance = GeomAlgoAPI_ShapeTools::minimalDistance(aVertex, *aSubIt);
+ isFound = aDistance < theTolerance;
+ }
+ if (isFound)
+ aFoundSubs.push_back(*aSubIt);
+ }
+ return aFoundSubs;
+ }
+
+ // Find circular/elliptic edge, which center/focus coincide with the given point
+ static GeomShapePtr findEdgeByCenter(const GeomShapePtr& theBaseShape,
+ const GeomPointPtr& theCenter,
+ const double theTolerance,
+ int& theCenterType)
+ {
+ theCenterType = (int)ModelAPI_AttributeSelection::NOT_CENTER;
+ std::list<GeomShapePtr> anEdges = theBaseShape->subShapes(GeomAPI_Shape::EDGE);
+ for (std::list<GeomShapePtr>::const_iterator anIt = anEdges.begin();
+ anIt != anEdges.end(); ++anIt) {
+ GeomEdgePtr anEdge = (*anIt)->edge();
+ if (!anEdge)
+ continue;
+
+ if (anEdge->isCircle() || anEdge->isArc()) {
+ GeomCirclePtr aCircle = anEdge->circle();
+ if (aCircle->center()->distance(theCenter) < theTolerance) {
+ theCenterType = (int)ModelAPI_AttributeSelection::CIRCLE_CENTER;
+ return *anIt;
+ }
+ }
+ else if (anEdge->isEllipse()) {
+ GeomEllipsePtr anEllipse = anEdge->ellipse();
+ if (anEllipse->firstFocus()->distance(theCenter) < theTolerance)
+ theCenterType = (int)ModelAPI_AttributeSelection::ELLIPSE_FIRST_FOCUS;
+ else if (anEllipse->secondFocus()->distance(theCenter) < theTolerance)
+ theCenterType = (int)ModelAPI_AttributeSelection::ELLIPSE_SECOND_FOCUS;
+
+ if (theCenterType != (int)ModelAPI_AttributeSelection::NOT_CENTER)
+ return *anIt;
+ }
+ }
+
+ // not found
+ return GeomShapePtr();
+ }
+
+ static void appendSubshapeOfResult(std::list<SubshapeOfResult>& theList,
+ const ResultPtr& theResult,
+ const GeomShapePtr& theSubshape,
+ int theCenterType = (int)ModelAPI_AttributeSelection::NOT_CENTER)
+ {
+ SubshapeOfResult aSR;
+ aSR.myResult = theResult;
+ aSR.mySubshape = theSubshape;
+ aSR.myCenterType = theCenterType;
+ // compound subshapes from other compounds should be processed as whole results
+ if (aSR.mySubshape && aSR.mySubshape->shapeType() <= GeomAPI_Shape::COMPSOLID) {
+ if (theResult->shape()->isEqual(theSubshape))
+ aSR.mySubshape = GeomShapePtr();
+ else {
+ ResultBodyPtr aResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theResult);
+ for (int i = 0; aResult && i < aResult->numberOfSubs(); ++i) {
+ ResultBodyPtr aSub = aResult->subResult(i);
+ if (aSub->shape()->isEqual(theSubshape)) {
+ aSR.myResult = aSub;
+ aSR.mySubshape = GeomShapePtr();
+ break;
+ }
+ }
+ }
+ }
+ theList.push_back(aSR);
+ }
+
+ static void appendSubshapeOfResult(std::list<SubshapeOfResult>& theList,
+ const ResultPtr& theResult,
+ const std::list<GeomShapePtr>& theSubshape)
+ {
+ for (std::list<GeomShapePtr>::const_iterator anIt = theSubshape.begin();
+ anIt != theSubshape.end(); ++anIt)
+ appendSubshapeOfResult(theList, theResult, *anIt);
+ }
+
+ static bool findSubshapeInCompsolid(const ResultBodyPtr& theCompsolid,
+ const std::shared_ptr<GeomAPI_Pnt>& thePoint,
+ const GeomAPI_Shape::ShapeType& theShapeType,
+ const double theTolerance,
+ std::list<SubshapeOfResult>& theSelected)
+ {
+ bool isSubshapeFound = false;
+ int aNbSolids = theCompsolid->numberOfSubs();
+ for (int i = 0; i < aNbSolids; ++i) {
+ ResultPtr aSubResult = theCompsolid->subResult(i);
+
+ // process subs of compsolid
+ ResultBodyPtr aSubCompSolid = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aSubResult);
+ if (theShapeType != GeomAPI_Shape::COMPSOLID &&
+ aSubCompSolid && aSubCompSolid->numberOfSubs() > 0) {
+ isSubshapeFound = findSubshapeInCompsolid(aSubCompSolid,
+ thePoint, theShapeType, theTolerance, theSelected);
+ }
+ else {
+ GeomShapePtr aSubSolid = aSubResult->shape();
+ if (aSubSolid && isPointWithinBB(thePoint, aSubSolid, theTolerance)) {
+ std::list<GeomShapePtr> aSubshapes =
+ findSubShape(aSubSolid, theShapeType, thePoint, theTolerance);
+ if (!aSubshapes.empty()) {
+ appendSubshapeOfResult(theSelected, aSubResult, aSubshapes);
+ isSubshapeFound = true;
+ }
+ }
+ }
+ }
+ return isSubshapeFound;
+ }
+
+ bool findSubshapeByPoint(const std::shared_ptr<ModelAPI_Feature>& theFeature,
+ const std::shared_ptr<GeomAPI_Pnt>& thePoint,
+ const GeomAPI_Shape::ShapeType& theShapeType,
+ std::list<SubshapeOfResult>& theSelected)
+ {
+ static const double TOLERANCE = 1.5e-6;
+
+ theSelected.clear();
+
+ const std::list<ResultPtr>& aResults = theFeature->results();
+ for (std::list<ResultPtr>::const_iterator aResIt = aResults.begin();
+ aResIt != aResults.end(); ++aResIt) {
+ bool isSubshapeFound = false;
+ GeomShapePtr aCurShape = (*aResIt)->shape();
+ // first of all, check the point is within bounding box of the result
+ if (!aCurShape || !isPointWithinBB(thePoint, aCurShape, TOLERANCE))
+ continue;
+ // now, process all sub-shapes of the given type and check their inner points,
+ // but skip the case the selected type is COMPOUND and the shape is a list of sketch edges
+ // (it will be processed later)
+ std::shared_ptr<GeomAPI_PlanarEdges> aSketchEdges =
+ std::dynamic_pointer_cast<GeomAPI_PlanarEdges>(aCurShape);
+ if (theShapeType != GeomAPI_Shape::COMPOUND || !aSketchEdges) {
+ ResultBodyPtr aCompSolid = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aResIt);
+ if (aCompSolid) {
+ isSubshapeFound = findSubshapeInCompsolid(aCompSolid,
+ thePoint, theShapeType, TOLERANCE, theSelected);
+ }
+
+ if (!isSubshapeFound) {
+ std::list<GeomShapePtr> aSubshapes =
+ findSubShape(aCurShape, theShapeType, thePoint, TOLERANCE);
+ if (!aSubshapes.empty()) {
+ appendSubshapeOfResult(theSelected, *aResIt, aSubshapes);
+ isSubshapeFound = true;
+ }
+ }
+ }
+ if (isSubshapeFound)
+ continue;
+
+ // special case for ResultConstruction if the FACE is selected
+ ResultConstructionPtr aResConstr =
+ std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(*aResIt);
+ if (aResConstr && theShapeType >= GeomAPI_Shape::FACE) {
+ int aNbFaces = aResConstr->facesNum();
+ for (int aFaceInd = 0; aFaceInd < aNbFaces; ++aFaceInd) {
+ GeomFacePtr aCurFace = aResConstr->face(aFaceInd);
+ // check the point is within bounding box of the face
+ if (!isPointWithinBB(thePoint, aCurFace, TOLERANCE))
+ continue;
+ std::list<GeomShapePtr> aSubshapes =
+ findSubShape(aCurFace, theShapeType, thePoint, TOLERANCE);
+ if (!aSubshapes.empty()) {
+ appendSubshapeOfResult(theSelected, *aResIt, aSubshapes);
+ isSubshapeFound = true;
+ }
+ }
+ }
+ if (isSubshapeFound)
+ continue;
+
+ // next special case: the full sketch is selected
+ // the selection type is a COMPOUND
+ if (aSketchEdges && theShapeType == GeomAPI_Shape::COMPOUND &&
+ aSketchEdges->middlePoint()->distance(thePoint) < TOLERANCE) {
+ // select whole result
+ appendSubshapeOfResult(theSelected, *aResIt, GeomShapePtr());
+ continue;
+ }
+
+ // another special case: the center of circle or the focus of ellipse is selected;
+ // return the corresponding edge and a status of the center
+ if (theShapeType == GeomAPI_Shape::VERTEX) {
+ int aCenterType;
+ GeomShapePtr aSubshape = findEdgeByCenter(aCurShape, thePoint, TOLERANCE, aCenterType);
+ if (aSubshape) {
+ appendSubshapeOfResult(theSelected, *aResIt, aSubshape, aCenterType);
+ continue;
+ }
+ }
+ }
+
+ bool processSketch = theSelected.empty() || (theSelected.size() == 1 &&
+ theSelected.front().myCenterType != (int)ModelAPI_AttributeSelection::NOT_CENTER);
+ // one more special case: the selected entity is a separated sketch point
+ // or an auxiliary sketch edge; they are not included into the sketch result;
+ // thus, it is necessary to pass through the sketch sub-features and find selected.
+ if (processSketch && !aResults.empty() &&
+ (theShapeType == GeomAPI_Shape::VERTEX || theShapeType == GeomAPI_Shape::EDGE)) {
+ CompositeFeaturePtr aCF = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
+ std::shared_ptr<GeomAPI_PlanarEdges> aSketchEdges =
+ std::dynamic_pointer_cast<GeomAPI_PlanarEdges>(aResults.front()->shape());
+
+ if (aSketchEdges && aCF) {
+ int aNbSubs = aCF->numberOfSubs();
+ for (int aSubInd = 0; aSubInd < aNbSubs; ++aSubInd) {
+ FeaturePtr aSub = aCF->subFeature(aSubInd);
+ const std::list<ResultPtr>& aSubResults = aSub->results();
+ for (std::list<ResultPtr>::const_iterator aSRIt = aSubResults.begin();
+ aSRIt != aSubResults.end(); ++aSRIt) {
+ GeomShapePtr aCurShape = (*aSRIt)->shape();
+ std::list<GeomShapePtr> aSubshapes =
+ findSubShape(aCurShape, theShapeType, thePoint, TOLERANCE);
+ if (!aSubshapes.empty()) {
+ appendSubshapeOfResult(theSelected, aResults.front(), aSubshapes);
+ break;
+ }
+ }
+ }
+ }
+ }
+
+ return !theSelected.empty();
+ }
} // namespace ModelGeomAlgo_Shape
