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Issue #17347: B-Splines in Sketcher
authorazv <azv@opencascade.com>
Fri, 10 Jan 2020 10:36:22 +0000 (13:36 +0300)
committerazv <azv@opencascade.com>
Fri, 10 Jan 2020 10:36:22 +0000 (13:36 +0300)
Projection of B-splines

18 files changed:
src/GeomAPI/CMakeLists.txt
src/GeomAPI/GeomAPI_BSpline.cpp [new file with mode: 0644]
src/GeomAPI/GeomAPI_BSpline.h [new file with mode: 0644]
src/GeomAPI/GeomAPI_BSpline2d.cpp
src/GeomAPI/GeomAPI_BSpline2d.h
src/GeomAlgoAPI/GeomAlgoAPI_EdgeBuilder.cpp
src/GeomAlgoAPI/GeomAlgoAPI_EdgeBuilder.h
src/SketchPlugin/SketchPlugin_BSpline.cpp
src/SketchPlugin/SketchPlugin_BSpline.h
src/SketchPlugin/SketchPlugin_MacroBSpline.cpp
src/SketchPlugin/SketchPlugin_MacroBSpline.h
src/SketchPlugin/SketchPlugin_Projection.cpp
src/SketchPlugin/SketchPlugin_Projection.h
src/SketchPlugin/SketchPlugin_Validators.cpp
src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_AttributeBuilder.cpp
src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_FeatureBuilder.cpp
src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_GeoExtensions.cpp
src/SketchSolver/PlaneGCSSolver/PlaneGCSSolver_GeoExtensions.h

index 0fda17637178a1004ffbafa9f0264a7cca8b87ee..267c703a9c5f5160db59c157b4f30ccf0fe22a99 100644 (file)
@@ -25,6 +25,7 @@ INCLUDE(UnitTest)
 
 SET(PROJECT_HEADERS
     GeomAPI.h
+    GeomAPI_BSpline.h
     GeomAPI_BSpline2d.h
     GeomAPI_Circ.h
     GeomAPI_Circ2d.h
@@ -72,6 +73,7 @@ SET(PROJECT_HEADERS
 )
 
 SET(PROJECT_SOURCES
+    GeomAPI_BSpline.cpp
     GeomAPI_BSpline2d.cpp
     GeomAPI_Circ.cpp
     GeomAPI_Circ2d.cpp
diff --git a/src/GeomAPI/GeomAPI_BSpline.cpp b/src/GeomAPI/GeomAPI_BSpline.cpp
new file mode 100644 (file)
index 0000000..f730769
--- /dev/null
@@ -0,0 +1,73 @@
+// Copyright (C) 2019-2020  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
+//
+
+#include <GeomAPI_BSpline.h>
+#include <GeomAPI_Pnt.h>
+
+#include <Geom_BSplineCurve.hxx>
+
+#define MY_BSPLINE (*(implPtr<Handle_Geom_BSplineCurve>()))
+
+GeomAPI_BSpline::GeomAPI_BSpline(const GeomCurvePtr& theCurve)
+{
+  GeomCurvePtr anUntrimmedCurve = theCurve->basisCurve();
+  Handle(Geom_Curve) aCurve = anUntrimmedCurve->impl<Handle(Geom_Curve)>();
+  Handle(Geom_BSplineCurve) aBSpl = Handle(Geom_BSplineCurve)::DownCast(aCurve);
+  if (aBSpl.IsNull())
+    throw Standard_ConstructionError("GeomAPI_BSpline: Curve is not a B-spline");
+  setImpl(new Handle_Geom_BSplineCurve(aBSpl));
+}
+
+int GeomAPI_BSpline::degree() const
+{
+  return MY_BSPLINE->Degree();
+}
+
+std::list<GeomPointPtr> GeomAPI_BSpline::poles() const
+{
+  const TColgp_Array1OfPnt& aBSplPoles = MY_BSPLINE->Poles();
+
+  std::list<GeomPointPtr> aPoles;
+  for (int anIndex = aBSplPoles.Lower(); anIndex <= aBSplPoles.Upper(); ++anIndex) {
+    const gp_Pnt& aPoint = aBSplPoles.Value(anIndex);
+    aPoles.push_back(GeomPointPtr(new GeomAPI_Pnt(aPoint.X(), aPoint.Y(), aPoint.Z())));
+  }
+  return aPoles;
+}
+
+std::list<double> GeomAPI_BSpline::weights() const
+{
+  std::list<double> aWeights;
+  const TColStd_Array1OfReal* aBSplWeights = MY_BSPLINE->Weights();
+  if (aBSplWeights)
+    aWeights.assign(aBSplWeights->begin(), aBSplWeights->end());
+  return aWeights;
+}
+
+std::list<double> GeomAPI_BSpline::knots() const
+{
+  const TColStd_Array1OfReal& aBSplKnots = MY_BSPLINE->Knots();
+  return std::list<double>(aBSplKnots.begin(), aBSplKnots.end());
+}
+
+std::list<int> GeomAPI_BSpline::mults() const
+{
+  const TColStd_Array1OfInteger& aBSplMults = MY_BSPLINE->Multiplicities();
+  return std::list<int>(aBSplMults.begin(), aBSplMults.end());
+}
diff --git a/src/GeomAPI/GeomAPI_BSpline.h b/src/GeomAPI/GeomAPI_BSpline.h
new file mode 100644 (file)
index 0000000..ae067d0
--- /dev/null
@@ -0,0 +1,60 @@
+// Copyright (C) 2019-2020  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
+//
+
+#ifndef GeomAPI_BSpline_H_
+#define GeomAPI_BSpline_H_
+
+#include <GeomAPI_Interface.h>
+#include <GeomAPI_Curve.h>
+
+#include <list>
+#include <memory>
+
+class GeomAPI_Pnt;
+
+/**\class GeomAPI_BSpline
+ * \ingroup DataModel
+ * \brief B-spline in 3D
+ */
+class GeomAPI_BSpline : public GeomAPI_Interface
+{
+public:
+  /// Creation of B-spline defined by a curve
+  GEOMAPI_EXPORT GeomAPI_BSpline(const GeomCurvePtr& theCurve);
+
+  /// Degree of B-spline curve
+  GEOMAPI_EXPORT int degree() const;
+
+  /// Poles of B-spline curve
+  GEOMAPI_EXPORT std::list<std::shared_ptr<GeomAPI_Pnt> > poles() const;
+
+  /// Weights of B-spline poles
+  GEOMAPI_EXPORT std::list<double> weights() const;
+
+  /// Knots of B-spline curve
+  GEOMAPI_EXPORT std::list<double> knots() const;
+
+  /// Multiplicities of B-spline knots
+  GEOMAPI_EXPORT std::list<int> mults() const;
+};
+
+//! Pointer on the object
+typedef std::shared_ptr<GeomAPI_BSpline> GeomBSplinePtr;
+
+#endif
index ca5e1891432361b2f2ce0d026dbfa41eb4fd25b7..de07f9299e1437c93baffa05d0c254cf61268d5b 100644 (file)
 static Handle_Geom2d_BSplineCurve* newBSpline2d(
     const std::list<std::shared_ptr<GeomAPI_Pnt2d> >& thePoles,
     const std::list<double>& theWeights,
+    const std::list<double>& theKnots,
+    const std::list<int>& theMults,
     const int theDegree,
     const bool thePeriodic)
 {
-  int aNbKnots = (int)thePoles.size() - theDegree + 1;
-  if (aNbKnots < 2)
-    return new Handle_Geom2d_BSplineCurve();
-
   // collect arrays of poles, weights, knots and multiplicities
   TColgp_Array1OfPnt2d aPoles(1, (int)thePoles.size());
   TColStd_Array1OfReal aWeights(1, (int)theWeights.size());
-  TColStd_Array1OfReal aKnots(1, aNbKnots);
-  TColStd_Array1OfInteger aMults(1, aNbKnots);
+  TColStd_Array1OfReal aKnots(1, (int)theKnots.size());
+  TColStd_Array1OfInteger aMults(1, (int)theMults.size());
 
   int anIndex = 1;
   for (std::list<GeomPnt2dPtr>::const_iterator aPIt = thePoles.begin();
@@ -51,21 +49,43 @@ static Handle_Geom2d_BSplineCurve* newBSpline2d(
        aWIt != theWeights.end(); ++aWIt, ++anIndex)
     aWeights.SetValue(anIndex, *aWIt);
   anIndex = 1;
+  for (std::list<double>::const_iterator aKIt = theKnots.begin();
+       aKIt != theKnots.end(); ++aKIt, ++anIndex)
+    aKnots.SetValue(anIndex, *aKIt);
+  anIndex = 1;
+  for (std::list<int>::const_iterator aMIt = theMults.begin();
+       aMIt != theMults.end(); ++aMIt, ++anIndex)
+    aMults.SetValue(anIndex, *aMIt);
+
+  Handle(Geom2d_BSplineCurve) aCurve =
+      new Geom2d_BSplineCurve(aPoles, aWeights, aKnots, aMults, theDegree, thePeriodic);
+  return new Handle_Geom2d_BSplineCurve(aCurve);
+}
+
+static Handle_Geom2d_BSplineCurve* newBSpline2d(
+    const std::list<std::shared_ptr<GeomAPI_Pnt2d> >& thePoles,
+    const std::list<double>& theWeights,
+    const int theDegree,
+    const bool thePeriodic)
+{
+  int aNbKnots = (int)thePoles.size() - theDegree + 1;
+  if (aNbKnots < 2)
+    return new Handle_Geom2d_BSplineCurve();
+
   static const double aStartParam = 0.0;
   static const double aEndParam = 1.0;
   double aStep = aEndParam / (aNbKnots - 1);
+  int anIndex = 1;
+  std::list<double> aKnots;
   for (double aKnot = aStartParam; anIndex < aNbKnots; ++anIndex, aKnot += aStep)
-    aKnots.SetValue(anIndex, aKnot);
-  aKnots.ChangeLast() = aEndParam;
-  anIndex = 1;
-  aMults.SetValue(anIndex, theDegree + 1);
-  for (++anIndex; anIndex < aNbKnots; ++anIndex)
-    aMults.SetValue(anIndex, 1);
-  aMults.SetValue(aNbKnots, theDegree + 1);
+    aKnots.push_back(aKnot);
+  aKnots.push_back(aEndParam);
 
-  Handle(Geom2d_BSplineCurve) aCurve =
-    new Geom2d_BSplineCurve(aPoles, aWeights, aKnots, aMults, theDegree, thePeriodic);
-  return new Handle_Geom2d_BSplineCurve(aCurve);
+  std::list<int> aMults(aNbKnots - 2, 1);
+  aMults.push_front(theDegree + 1);
+  aMults.push_back(theDegree + 1);
+
+  return newBSpline2d(thePoles, theWeights, aKnots, aMults, theDegree, thePeriodic);
 }
 
 static Handle_Geom2d_BSplineCurve* newBSpline2d(
@@ -91,11 +111,14 @@ GeomAPI_BSpline2d::GeomAPI_BSpline2d(const std::list<std::shared_ptr<GeomAPI_Pnt
     throw Standard_ConstructionError("GeomAPI_BSpline2d: Impossible to create B-spline curve");
 }
 
-GeomAPI_BSpline2d::GeomAPI_BSpline2d(const std::list<std::shared_ptr<GeomAPI_Pnt2d> >& thePoles,
+GeomAPI_BSpline2d::GeomAPI_BSpline2d(const int theDegree,
+                                     const std::list<std::shared_ptr<GeomAPI_Pnt2d> >& thePoles,
                                      const std::list<double>& theWeights,
-                                     const int theDegree,
+                                     const std::list<double>& theKnots,
+                                     const std::list<int>& theMults,
                                      const bool thePeriodic)
-  : GeomAPI_Interface(newBSpline2d(thePoles, theWeights, theDegree, thePeriodic))
+  : GeomAPI_Interface(newBSpline2d(thePoles, theWeights, theKnots, theMults,
+                                   theDegree, thePeriodic))
 {
   if (isNull())
     throw Standard_ConstructionError("GeomAPI_BSpline2d: Impossible to create B-spline curve");
@@ -111,6 +134,18 @@ int GeomAPI_BSpline2d::degree() const
   return MY_BSPLINE->Degree();
 }
 
+std::list<double> GeomAPI_BSpline2d::knots() const
+{
+  const TColStd_Array1OfReal& aBSplKnots = MY_BSPLINE->Knots();
+  return std::list<double>(aBSplKnots.begin(), aBSplKnots.end());
+}
+
+std::list<int> GeomAPI_BSpline2d::mults() const
+{
+  const TColStd_Array1OfInteger& aBSplMults = MY_BSPLINE->Multiplicities();
+  return std::list<int>(aBSplMults.begin(), aBSplMults.end());
+}
+
 void GeomAPI_BSpline2d::D0(const double theU, std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
 {
   gp_Pnt2d aPnt;
index 290458693c7bdfbaaa26eb11f495418392b3db15..0960bd403c4d877646b4ceeaf551a6dfc0ad8d95 100644 (file)
@@ -41,9 +41,11 @@ public:
                                    const bool thePeriodic = false);
 
   /// Creation of B-spline curve defined by list of poles and weights
-  GEOMAPI_EXPORT GeomAPI_BSpline2d(const std::list<std::shared_ptr<GeomAPI_Pnt2d> >& thePoles,
+  GEOMAPI_EXPORT GeomAPI_BSpline2d(const int theDegree,
+                                   const std::list<std::shared_ptr<GeomAPI_Pnt2d> >& thePoles,
                                    const std::list<double>& theWeights,
-                                   const int theDegree,
+                                   const std::list<double>& theKnots = std::list<double>(),
+                                   const std::list<int>& theMults = std::list<int>(),
                                    const bool thePeriodic = false);
 
   /// Returns true if curve is not initialized
@@ -52,6 +54,12 @@ public:
   /// Returns degree of the curve
   GEOMAPI_EXPORT int degree() const;
 
+  /// Knots of the curve
+  GEOMAPI_EXPORT std::list<double> knots() const;
+
+  /// Multiplicities of the knots
+  GEOMAPI_EXPORT std::list<int> mults() const;
+
   /// \brief Calculate point on B-spline curve accrding to the given parameter
   GEOMAPI_EXPORT void D0(const double theU, std::shared_ptr<GeomAPI_Pnt2d>& thePoint);
 
index 03145a117a4a7990435137d796d17ba5b4db2be4..3badacb17afb6aa9eab7ed363672246731558225 100644 (file)
@@ -20,9 +20,9 @@
 #include <GeomAlgoAPI_EdgeBuilder.h>
 
 #include <GeomAPI_Ax2.h>
+#include <GeomAPI_Ax3.h>
 #include <GeomAPI_BSpline2d.h>
 #include <GeomAPI_Ellipse.h>
-#include <GeomAPI_Pln.h>
 #include <GeomAPI_Pnt2d.h>
 
 #include <gp_Pln.hxx>
@@ -273,21 +273,24 @@ std::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::ellipticArc(
 }
 
 GeomEdgePtr GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(
-    const std::shared_ptr<GeomAPI_Pln>& thePlane,
+    const std::shared_ptr<GeomAPI_Ax3>& thePlane,
     const std::list<GeomPnt2dPtr>& thePoles,
     const std::list<double>& theWeights,
+    const std::list<double>& theKnots,
+    const std::list<int>& theMults,
+    const int theDegree,
     const bool thePeriodic)
 {
   std::shared_ptr<GeomAPI_BSpline2d> aBSplineCurve(
-      new GeomAPI_BSpline2d(thePoles, theWeights, thePeriodic));
+      new GeomAPI_BSpline2d(theDegree, thePoles, theWeights, theKnots, theMults, thePeriodic));
   return bsplineOnPlane(thePlane, aBSplineCurve);
 }
 
 GeomEdgePtr GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(
-    const std::shared_ptr<GeomAPI_Pln>& thePlane,
+    const std::shared_ptr<GeomAPI_Ax3>& thePlane,
     const std::shared_ptr<GeomAPI_BSpline2d>& theCurve)
 {
-  Handle(Geom_Curve) aCurve3D = GeomLib::To3d(thePlane->impl<gp_Pln>().Position().Ax2(),
+  Handle(Geom_Curve) aCurve3D = GeomLib::To3d(thePlane->impl<gp_Ax3>().Ax2(),
                                               theCurve->impl<Handle_Geom2d_BSplineCurve>());
 
   BRepBuilderAPI_MakeEdge anEdgeBuilder(aCurve3D);
index ac4ca0286a631b8b56dc9696c1da46c9151e2889..3b6a8c760659b80f6d09485347d7e407a575f31c 100644 (file)
@@ -29,6 +29,7 @@
 #include <memory>
 #include <vector>
 
+class GeomAPI_Ax3;
 class GeomAPI_BSpline2d;
 
 /**\class GeomAlgoAPI_EdgeBuilder
@@ -94,13 +95,16 @@ class GEOMALGOAPI_EXPORT GeomAlgoAPI_EdgeBuilder
       const std::shared_ptr<GeomAPI_Pnt>& theEnd);
 
   /// Creates planar B-spline edge
-  static GeomEdgePtr bsplineOnPlane(const std::shared_ptr<GeomAPI_Pln>& thePlane,
+  static GeomEdgePtr bsplineOnPlane(const std::shared_ptr<GeomAPI_Ax3>& thePlane,
                                     const std::list<std::shared_ptr<GeomAPI_Pnt2d> >& thePoles,
                                     const std::list<double>& theWeights,
+                                    const std::list<double>& theKnots,
+                                    const std::list<int>& theMults,
+                                    const int theDegree,
                                     const bool thePeriodic);
 
   /// Creates planar B-spline edge
-  static GeomEdgePtr bsplineOnPlane(const std::shared_ptr<GeomAPI_Pln>& thePlane,
+  static GeomEdgePtr bsplineOnPlane(const std::shared_ptr<GeomAPI_Ax3>& thePlane,
                                     const std::shared_ptr<GeomAPI_BSpline2d>& theCurve);
 };
 
index 64fa4fcacddfb93c499c121004ebda3b4d2040e5..89090e4fe4051488042d261229ef5a001ac1ee6f 100644 (file)
 
 #include <GeomAlgoAPI_EdgeBuilder.h>
 
-////#include <GeomAPI_Dir2d.h>
-////#include <GeomAPI_Edge.h>
-////#include <GeomAPI_Ellipse.h>
-////#include <GeomAPI_Ellipse2d.h>
 #include <GeomAPI_Pnt2d.h>
-////#include <GeomAPI_XY.h>
 
 #include <GeomDataAPI_Point2DArray.h>
 
 #include <ModelAPI_AttributeDoubleArray.h>
+#include <ModelAPI_AttributeIntArray.h>
 #include <ModelAPI_AttributeInteger.h>
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_Session.h>
 #include <ModelAPI_Validator.h>
 
-////#include <cmath>
-////
-////static const double tolerance = 1e-7;
-////static const double paramTolerance = 1.e-4;
-////static const double PI = 3.141592653589793238463;
-
 
 SketchPlugin_BSpline::SketchPlugin_BSpline()
   : SketchPlugin_SketchEntity()
@@ -53,6 +43,8 @@ void SketchPlugin_BSpline::initDerivedClassAttributes()
 {
   data()->addAttribute(POLES_ID(), GeomDataAPI_Point2DArray::typeId());
   data()->addAttribute(WEIGHTS_ID(), ModelAPI_AttributeDoubleArray::typeId());
+  data()->addAttribute(KNOTS_ID(), ModelAPI_AttributeDoubleArray::typeId());
+  data()->addAttribute(MULTS_ID(), ModelAPI_AttributeIntArray::typeId());
   data()->addAttribute(DEGREE_ID(), ModelAPI_AttributeInteger::typeId());
 
   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
@@ -69,6 +61,9 @@ void SketchPlugin_BSpline::execute()
   AttributePoint2DArrayPtr aPolesArray =
       std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(attribute(POLES_ID()));
   AttributeDoubleArrayPtr aWeightsArray = data()->realArray(WEIGHTS_ID());
+  AttributeDoubleArrayPtr aKnotsArray = data()->realArray(KNOTS_ID());
+  AttributeIntArrayPtr aMultsArray = data()->intArray(MULTS_ID());
+  AttributeIntegerPtr aDegreeAttr = data()->integer(DEGREE_ID());
 
   // collect poles
   std::list<GeomPnt2dPtr> aPoles2D;
@@ -80,10 +75,18 @@ void SketchPlugin_BSpline::execute()
   std::list<double> aWeights;
   for (int anIndex = 0; anIndex < aWeightsArray->size(); ++anIndex)
     aWeights.push_back(aWeightsArray->value(anIndex));
+  // collect knots
+  std::list<double> aKnots;
+  for (int anIndex = 0; anIndex < aKnotsArray->size(); ++anIndex)
+    aKnots.push_back(aKnotsArray->value(anIndex));
+  // collect multiplicities
+  std::list<int> aMults;
+  for (int anIndex = 0; anIndex < aMultsArray->size(); ++anIndex)
+    aMults.push_back(aMultsArray->value(anIndex));
 
   // create result non-periodic B-spline curve
-  GeomShapePtr anEdge =
-      GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(aSketch->plane(), aPoles2D, aWeights, false);
+  GeomShapePtr anEdge = GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(aSketch->coordinatePlane(),
+      aPoles2D, aWeights, aKnots, aMults, aDegreeAttr->value(), false);
 
   ResultConstructionPtr aResult = document()->createConstruction(data(), 0);
   aResult->setShape(anEdge);
index 303dc1f0b09ccf13dc81bf9208486045011a2935..5a99005f00e353b81f9e51110777ac98cfa1e62d 100644 (file)
@@ -58,6 +58,20 @@ public:
     return ID;
   }
 
+  /// list of B-spline knots
+  inline static const std::string& KNOTS_ID()
+  {
+    static const std::string ID("knots");
+    return ID;
+  }
+
+  /// list of B-spline multiplicities
+  inline static const std::string& MULTS_ID()
+  {
+    static const std::string ID("multiplicities");
+    return ID;
+  }
+
   /// Returns the kind of a feature
   SKETCHPLUGIN_EXPORT virtual const std::string& getKind()
   {
index 0b81547a3dbcafe0344ac313374d94acddfe80b2..b1701c1b723dc6af1982b025950a40830672ad46 100644 (file)
@@ -157,6 +157,22 @@ FeaturePtr SketchPlugin_MacroBSpline::createBSplineFeature()
   for (int index = 0; index < aSize; ++index)
     aWeights->setValue(index, aWeightsMacro->value(index));
 
+  AttributeDoubleArrayPtr aKnots =
+      aBSpline->data()->realArray(SketchPlugin_BSpline::KNOTS_ID());
+  aSize = (int)myKnots.size();
+  aKnots->setSize(aSize);
+  std::list<double>::iterator aKIt = myKnots.begin();
+  for (int index = 0; index < aSize; ++index, ++aKIt)
+    aKnots->setValue(index, *aKIt);
+
+  AttributeIntArrayPtr aMults =
+      aBSpline->data()->intArray(SketchPlugin_BSpline::MULTS_ID());
+  aSize = (int)myMultiplicities.size();
+  aMults->setSize(aSize);
+  std::list<int>::iterator aMIt = myMultiplicities.begin();
+  for (int index = 0; index < aSize; ++index, ++aMIt)
+    aMults->setValue(index, *aMIt);
+
   aBSpline->boolean(SketchPlugin_BSpline::AUXILIARY_ID())->setValue(
       boolean(AUXILIARY_ID())->value());
 
@@ -248,11 +264,14 @@ AISObjectPtr SketchPlugin_MacroBSpline::getAISObject(AISObjectPtr thePrevious)
     return AISObjectPtr();
   }
   GeomShapePtr anEdge =
-      GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(aSketch->plane(), aBSplineCurve);
+      GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(aSketch->coordinatePlane(), aBSplineCurve);
   if (!anEdge)
     return AISObjectPtr();
 
+  // store transient parameters of B-spline curve
   myDegree = aBSplineCurve->degree();
+  myKnots = aBSplineCurve->knots();
+  myMultiplicities = aBSplineCurve->mults();
 
   aShapes.push_back(anEdge);
   GeomShapePtr aCompound = GeomAlgoAPI_CompoundBuilder::compound(aShapes);
index 0137962ed1993585ccfd8bec721cf34cb55c3152..7515cadb5f4f0f7154719c436d126b6e1b0c7546 100644 (file)
@@ -104,6 +104,8 @@ private:
   void createControlPolygon(FeaturePtr theBSpline, std::list<FeaturePtr>& thePoles);
   void constraintsForPoles(const std::list<FeaturePtr>& thePoles);
 
+  std::list<double> myKnots;
+  std::list<int> myMultiplicities;
   int myDegree;
   bool myIsPeriodic;
 };
index e04031fee6db7cee731dd447ce225900018759b9..e041299b0c5b56a159e06529fa4b329b52a20264 100644 (file)
@@ -20,6 +20,7 @@
 #include <SketchPlugin_Projection.h>
 
 #include <SketchPlugin_Arc.h>
+#include <SketchPlugin_BSpline.h>
 #include <SketchPlugin_Circle.h>
 #include <SketchPlugin_Ellipse.h>
 #include <SketchPlugin_EllipticArc.h>
@@ -31,6 +32,8 @@
 #include <ModelAPI_AttributeRefAttr.h>
 #include <ModelAPI_AttributeSelection.h>
 #include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeDoubleArray.h>
+#include <ModelAPI_AttributeInteger.h>
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_Session.h>
 #include <ModelAPI_Validator.h>
@@ -39,6 +42,7 @@
 
 #include <Events_Loop.h>
 
+#include <GeomAPI_BSpline.h>
 #include <GeomAPI_Circ.h>
 #include <GeomAPI_Edge.h>
 #include <GeomAPI_Ellipse.h>
@@ -49,6 +53,7 @@
 #include <GeomAlgoAPI_EdgeBuilder.h>
 #include <GeomAlgoAPI_Projection.h>
 #include <GeomDataAPI_Point2D.h>
+#include <GeomDataAPI_Point2DArray.h>
 
 #include <cmath>
 
@@ -145,6 +150,14 @@ static const std::set<std::string>& ARC_PROJECTION()
   return aProj;
 }
 
+static const std::set<std::string>& BSPLINE_PROJECTION()
+{
+  static std::set<std::string> aProj;
+  if (aProj.empty())
+    aProj.insert(SketchPlugin_BSpline::ID());
+  return aProj;
+}
+
 
 static const std::set<std::string>& possibleProjectionTypes(GeomEdgePtr theEdge,
                                                             GeomVertexPtr theVertex)
@@ -160,6 +173,8 @@ static const std::set<std::string>& possibleProjectionTypes(GeomEdgePtr theEdge,
       else
         return ARC_PROJECTION();
     }
+    else
+      return BSPLINE_PROJECTION();
   }
   static const std::set<std::string> DUMMY;
   return DUMMY;
@@ -196,8 +211,6 @@ void SketchPlugin_Projection::computeProjection(const std::string& theID)
   // if the type of feature differs with already selected, remove it and create once again
   bool isRebuild = rebuildProjectedFeature(aProjection, aProjType);
 
-  std::shared_ptr<GeomAPI_Pln> aSketchPlane = sketch()->plane();
-
   ResultConstructionPtr aResult =
       std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(lastResult());
   if (!isRebuild && aResult && aResult->shape() && theID == EXTERNAL_FEATURE_ID()) {
@@ -208,158 +221,14 @@ void SketchPlugin_Projection::computeProjection(const std::string& theID)
 
   keepCurrentFeature();
 
-  if (aVertex) {
-    std::shared_ptr<GeomAPI_Pnt> aPrjPnt = aSketchPlane->project(aVertex->point());
-    std::shared_ptr<GeomAPI_Pnt2d> aPntInSketch = sketch()->to2D(aPrjPnt);
-
-    rebuildProjectedFeature(aProjection, POINT_PROJECTION(), SketchPlugin_Point::ID());
+  bool isProjected = false;
+  if (aVertex)
+    isProjected = projectPoint(aProjection, aVertex->point());
+  else
+    isProjected = projectEdge(aProjection, anEdge);
 
-    // update coordinates of projection
-    std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-        aProjection->attribute(SketchPlugin_Point::COORD_ID()))->setValue(aPntInSketch);
-  }
-  else if (anEdge->isLine()) {
-    std::shared_ptr<GeomAPI_Pnt> aFirst = aSketchPlane->project(anEdge->firstPoint());
-    std::shared_ptr<GeomAPI_Pnt> aLast = aSketchPlane->project(anEdge->lastPoint());
-
-    std::shared_ptr<GeomAPI_Pnt2d> aFirstInSketch = sketch()->to2D(aFirst);
-    std::shared_ptr<GeomAPI_Pnt2d> aLastInSketch = sketch()->to2D(aLast);
-    if (aFirstInSketch->distance(aLastInSketch) < tolerance)
-      return; // line is semi-orthogonal to the sketch plane
-
-    rebuildProjectedFeature(aProjection, LINE_PROJECTION(), SketchPlugin_Line::ID());
-
-    // update attributes of projection
-    std::shared_ptr<GeomDataAPI_Point2D> aStartPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-        aProjection->attribute(SketchPlugin_Line::START_ID()));
-    std::shared_ptr<GeomDataAPI_Point2D> aEndPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-        aProjection->attribute(SketchPlugin_Line::END_ID()));
-    aStartPnt->setValue(aFirstInSketch);
-    aEndPnt->setValue(aLastInSketch);
-  }
-  else if (anEdge->isCircle() || anEdge->isArc() || anEdge->isEllipse()) {
-    GeomAlgoAPI_Projection aProjAlgo(aSketchPlane);
-    GeomCurvePtr aProjectedCurve = aProjAlgo.project(anEdge);
-
-    if (aProjectedCurve->isCircle()) {
-      GeomAPI_Circ aCircle(aProjectedCurve);
-      GeomPointPtr aCenter = aSketchPlane->project(aCircle.center());
-      GeomPnt2dPtr aCenterInSketch = sketch()->to2D(aCenter);
-
-      if (aProjectedCurve->isTrimmed()) {
-        // ARC is a projection
-        rebuildProjectedFeature(aProjection, ARC_PROJECTION(), SketchPlugin_Arc::ID());
-
-        GeomPointPtr aFirst = aProjectedCurve->getPoint(aProjectedCurve->startParam());
-        GeomPointPtr aLast = aProjectedCurve->getPoint(aProjectedCurve->endParam());
-        GeomPnt2dPtr aFirstInSketch = sketch()->to2D(aSketchPlane->project(aFirst));
-        GeomPnt2dPtr aLastInSketch = sketch()->to2D(aSketchPlane->project(aLast));
-
-        double aNormalsDot = aCircle.normal()->dot(aSketchPlane->direction());
-        if (fabs(fabs(aNormalsDot) - 1.0) > tolerance)
-          return; // arc is not in the plane, parallel to the sketch plane
-
-        bool isInversed = aNormalsDot < 0.;
-
-        bool aWasBlocked = aProjection->data()->blockSendAttributeUpdated(true);
-
-        // update attributes of projection
-        std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_Arc::CENTER_ID()));
-        std::shared_ptr<GeomDataAPI_Point2D> aStartPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_Arc::START_ID()));
-        std::shared_ptr<GeomDataAPI_Point2D> aEndPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_Arc::END_ID()));
-        aStartPnt->setValue(aFirstInSketch);
-        aEndPnt->setValue(aLastInSketch);
-        aCenterPnt->setValue(aCenterInSketch);
-        aProjection->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(isInversed);
-
-        aProjection->data()->blockSendAttributeUpdated(aWasBlocked);
-      }
-      else {
-        // CIRCLE is a projection
-        rebuildProjectedFeature(aProjection, CIRCLE_ELLIPSE_PROJECTION(),
-                                SketchPlugin_Circle::ID());
-
-        // update attributes of projection
-        std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_Circle::CENTER_ID()));
-        aCenterPnt->setValue(aCenterInSketch);
-        aProjection->real(SketchPlugin_Circle::RADIUS_ID())->setValue(aCircle.radius());
-      }
-    }
-    else if (aProjectedCurve->isEllipse()) {
-      GeomAPI_Ellipse anEllipse(aProjectedCurve);
-      GeomPointPtr aCenter = aSketchPlane->project(anEllipse.center());
-      GeomPnt2dPtr aCenterInSketch = sketch()->to2D(aCenter);
-      GeomPointPtr aFocus = aSketchPlane->project(anEllipse.firstFocus());
-      GeomPnt2dPtr aFocusInSketch = sketch()->to2D(aFocus);
-
-      if (aProjectedCurve->isTrimmed()) {
-        // ELLIPTIC ARC is a projection
-        rebuildProjectedFeature(aProjection, ARC_PROJECTION(), SketchPlugin_EllipticArc::ID());
-
-        GeomPointPtr aFirst = aProjectedCurve->getPoint(aProjectedCurve->startParam());
-        GeomPointPtr aLast = aProjectedCurve->getPoint(aProjectedCurve->endParam());
-        GeomPnt2dPtr aFirstInSketch = sketch()->to2D(aSketchPlane->project(aFirst));
-        GeomPnt2dPtr aLastInSketch = sketch()->to2D(aSketchPlane->project(aLast));
-
-        double aNormalsDot = anEllipse.normal()->dot(aSketchPlane->direction());
-        if (fabs(fabs(aNormalsDot) - 1.0) > tolerance)
-          return; // arc is not in the plane, parallel to the sketch plane
-
-        bool isInversed = aNormalsDot < 0.;
-
-        bool aWasBlocked = aProjection->data()->blockSendAttributeUpdated(true);
-
-        // update attributes of projection
-        std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_EllipticArc::CENTER_ID()));
-        std::shared_ptr<GeomDataAPI_Point2D> aFocusPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_EllipticArc::FIRST_FOCUS_ID()));
-        std::shared_ptr<GeomDataAPI_Point2D> aStartPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_EllipticArc::START_POINT_ID()));
-        std::shared_ptr<GeomDataAPI_Point2D> aEndPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_EllipticArc::END_POINT_ID()));
-        aStartPnt->setValue(aFirstInSketch);
-        aEndPnt->setValue(aLastInSketch);
-        aCenterPnt->setValue(aCenterInSketch);
-        aFocusPnt->setValue(aFocusInSketch);
-        aProjection->boolean(SketchPlugin_EllipticArc::REVERSED_ID())->setValue(isInversed);
-
-        aProjection->data()->blockSendAttributeUpdated(aWasBlocked);
-      }
-      else {
-        // ELLIPSE is a projection
-        rebuildProjectedFeature(aProjection, CIRCLE_ELLIPSE_PROJECTION(),
-                                SketchPlugin_Ellipse::ID());
-
-        // update attributes of projection
-        std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_Ellipse::CENTER_ID()));
-        aCenterPnt->setValue(aCenterInSketch);
-        std::shared_ptr<GeomDataAPI_Point2D> aFocusPnt =
-            std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
-            aProjection->attribute(SketchPlugin_Ellipse::FIRST_FOCUS_ID()));
-        aFocusPnt->setValue(aFocusInSketch);
-        aProjection->real(SketchPlugin_Ellipse::MINOR_RADIUS_ID())->setValue(
-            anEllipse.minorRadius());
-      }
-    }
-    else
-      return;
-  } else
-    return;
+  if (!isProjected)
+    return; // projection is not computed, stop processing
 
   aProjection->boolean(COPY_ID())->setValue(true);
   aProjection->execute();
@@ -407,3 +276,274 @@ bool SketchPlugin_Projection::rebuildProjectedFeature(
     theProjection = sketch()->addFeature(theRequestedFeature);
   return isRebuild;
 }
+
+bool SketchPlugin_Projection::projectPoint(FeaturePtr& theProjection, const GeomPointPtr& thePoint)
+{
+  std::shared_ptr<GeomAPI_Pln> aSketchPlane = sketch()->plane();
+
+  std::shared_ptr<GeomAPI_Pnt> aPrjPnt = aSketchPlane->project(thePoint);
+  std::shared_ptr<GeomAPI_Pnt2d> aPntInSketch = sketch()->to2D(aPrjPnt);
+
+  rebuildProjectedFeature(theProjection, POINT_PROJECTION(), SketchPlugin_Point::ID());
+
+  // update coordinates of projection
+  std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Point::COORD_ID()))->setValue(aPntInSketch);
+  return true;
+}
+
+bool SketchPlugin_Projection::projectSegment(FeaturePtr& theProjection, const GeomEdgePtr& theEdge)
+{
+  std::shared_ptr<GeomAPI_Pln> aSketchPlane = sketch()->plane();
+
+  std::shared_ptr<GeomAPI_Pnt> aFirst = aSketchPlane->project(theEdge->firstPoint());
+  std::shared_ptr<GeomAPI_Pnt> aLast = aSketchPlane->project(theEdge->lastPoint());
+
+  std::shared_ptr<GeomAPI_Pnt2d> aFirstInSketch = sketch()->to2D(aFirst);
+  std::shared_ptr<GeomAPI_Pnt2d> aLastInSketch = sketch()->to2D(aLast);
+  if (aFirstInSketch->distance(aLastInSketch) < tolerance)
+    return false; // line is semi-orthogonal to the sketch plane
+
+  rebuildProjectedFeature(theProjection, LINE_PROJECTION(), SketchPlugin_Line::ID());
+
+  // update attributes of projection
+  std::shared_ptr<GeomDataAPI_Point2D> aStartPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Line::START_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aEndPnt = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Line::END_ID()));
+  aStartPnt->setValue(aFirstInSketch);
+  aEndPnt->setValue(aLastInSketch);
+
+  return true;
+}
+
+bool SketchPlugin_Projection::projectEdge(FeaturePtr& theProjection, const GeomEdgePtr& theEdge)
+{
+  if (theEdge->isLine())
+    return projectSegment(theProjection, theEdge);
+
+  std::shared_ptr<GeomAPI_Pln> aSketchPlane = sketch()->plane();
+
+  GeomAlgoAPI_Projection aProjAlgo(aSketchPlane);
+  GeomCurvePtr aProjectedCurve = aProjAlgo.project(theEdge);
+
+  bool isOk = false;
+  if (aProjectedCurve->isCircle()) {
+    if (aProjectedCurve->isTrimmed()) {
+      // ARC is a projection
+      isOk = fillArc(theProjection, aProjectedCurve, aSketchPlane);
+    }
+    else {
+      // CIRCLE is a projection
+      isOk = fillCircle(theProjection, aProjectedCurve, aSketchPlane);
+    }
+  }
+  else if (aProjectedCurve->isEllipse()) {
+    if (aProjectedCurve->isTrimmed()) {
+      // ELLIPTIC ARC is a projection
+      isOk = fillEllipticArc(theProjection, aProjectedCurve, aSketchPlane);
+    }
+    else {
+      // ELLIPSE is a projection
+      isOk = fillEllipse(theProjection, aProjectedCurve, aSketchPlane);
+    }
+  }
+  else
+    isOk = fillBSpline(theProjection, aProjectedCurve, aSketchPlane);
+
+  return isOk;
+}
+
+bool SketchPlugin_Projection::fillArc(FeaturePtr& theProjection,
+                                      const GeomCurvePtr& theArc,
+                                      const GeomPlanePtr& thePlane)
+{
+  rebuildProjectedFeature(theProjection, ARC_PROJECTION(), SketchPlugin_Arc::ID());
+
+  GeomAPI_Circ aCircle(theArc);
+
+  double aNormalsDot = aCircle.normal()->dot(thePlane->direction());
+  if (fabs(fabs(aNormalsDot) - 1.0) > tolerance)
+    return false; // arc is not in the plane, parallel to the sketch plane
+
+  bool isInversed = aNormalsDot < 0.;
+
+  GeomPointPtr aCenter = thePlane->project(aCircle.center());
+  GeomPnt2dPtr aCenterInSketch = sketch()->to2D(aCenter);
+
+  GeomPointPtr aFirst = theArc->getPoint(theArc->startParam());
+  GeomPnt2dPtr aFirstInSketch = sketch()->to2D(thePlane->project(aFirst));
+
+  GeomPointPtr aLast = theArc->getPoint(theArc->endParam());
+  GeomPnt2dPtr aLastInSketch = sketch()->to2D(thePlane->project(aLast));
+
+  bool aWasBlocked = theProjection->data()->blockSendAttributeUpdated(true);
+
+  // update attributes of projection
+  std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Arc::CENTER_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aStartPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Arc::START_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aEndPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Arc::END_ID()));
+  aStartPnt->setValue(aFirstInSketch);
+  aEndPnt->setValue(aLastInSketch);
+  aCenterPnt->setValue(aCenterInSketch);
+  theProjection->boolean(SketchPlugin_Arc::REVERSED_ID())->setValue(isInversed);
+
+  theProjection->data()->blockSendAttributeUpdated(aWasBlocked);
+  return true;
+}
+
+bool SketchPlugin_Projection::fillCircle(FeaturePtr& theProjection,
+                                         const GeomCurvePtr& theCircle,
+                                         const GeomPlanePtr& thePlane)
+{
+  rebuildProjectedFeature(theProjection, CIRCLE_ELLIPSE_PROJECTION(), SketchPlugin_Circle::ID());
+
+  GeomAPI_Circ aCircle(theCircle);
+  GeomPointPtr aCenter = thePlane->project(aCircle.center());
+  GeomPnt2dPtr aCenterInSketch = sketch()->to2D(aCenter);
+
+  // update attributes of projection
+  std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Circle::CENTER_ID()));
+  aCenterPnt->setValue(aCenterInSketch);
+  theProjection->real(SketchPlugin_Circle::RADIUS_ID())->setValue(aCircle.radius());
+  return true;
+}
+
+bool SketchPlugin_Projection::fillEllipse(FeaturePtr& theProjection,
+                                          const GeomCurvePtr& theEllipse,
+                                          const GeomPlanePtr& thePlane)
+{
+  rebuildProjectedFeature(theProjection, CIRCLE_ELLIPSE_PROJECTION(), SketchPlugin_Ellipse::ID());
+
+  GeomAPI_Ellipse anEllipse(theEllipse);
+  GeomPointPtr aCenter = thePlane->project(anEllipse.center());
+  GeomPnt2dPtr aCenterInSketch = sketch()->to2D(aCenter);
+  GeomPointPtr aFocus = thePlane->project(anEllipse.firstFocus());
+  GeomPnt2dPtr aFocusInSketch = sketch()->to2D(aFocus);
+
+  // update attributes of projection
+  std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Ellipse::CENTER_ID()));
+  aCenterPnt->setValue(aCenterInSketch);
+  std::shared_ptr<GeomDataAPI_Point2D> aFocusPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_Ellipse::FIRST_FOCUS_ID()));
+  aFocusPnt->setValue(aFocusInSketch);
+  theProjection->real(SketchPlugin_Ellipse::MINOR_RADIUS_ID())->setValue(anEllipse.minorRadius());
+  return true;
+}
+
+bool SketchPlugin_Projection::fillEllipticArc(FeaturePtr& theProjection,
+                                              const GeomCurvePtr& theEllipticArc,
+                                              const GeomPlanePtr& thePlane)
+{
+  rebuildProjectedFeature(theProjection, ARC_PROJECTION(), SketchPlugin_EllipticArc::ID());
+
+  GeomAPI_Ellipse anEllipse(theEllipticArc);
+
+  double aNormalsDot = anEllipse.normal()->dot(thePlane->direction());
+  if (fabs(fabs(aNormalsDot) - 1.0) > tolerance)
+    return false; // arc is not in the plane, parallel to the sketch plane
+
+  bool isInversed = aNormalsDot < 0.;
+
+  GeomPointPtr aCenter = thePlane->project(anEllipse.center());
+  GeomPnt2dPtr aCenterInSketch = sketch()->to2D(aCenter);
+  GeomPointPtr aFocus = thePlane->project(anEllipse.firstFocus());
+  GeomPnt2dPtr aFocusInSketch = sketch()->to2D(aFocus);
+
+  GeomPointPtr aFirst = theEllipticArc->getPoint(theEllipticArc->startParam());
+  GeomPnt2dPtr aFirstInSketch = sketch()->to2D(thePlane->project(aFirst));
+  GeomPointPtr aLast = theEllipticArc->getPoint(theEllipticArc->endParam());
+  GeomPnt2dPtr aLastInSketch = sketch()->to2D(thePlane->project(aLast));
+
+  bool aWasBlocked = theProjection->data()->blockSendAttributeUpdated(true);
+
+  // update attributes of projection
+  std::shared_ptr<GeomDataAPI_Point2D> aCenterPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_EllipticArc::CENTER_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aFocusPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_EllipticArc::FIRST_FOCUS_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aStartPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_EllipticArc::START_POINT_ID()));
+  std::shared_ptr<GeomDataAPI_Point2D> aEndPnt =
+      std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+      theProjection->attribute(SketchPlugin_EllipticArc::END_POINT_ID()));
+  aStartPnt->setValue(aFirstInSketch);
+  aEndPnt->setValue(aLastInSketch);
+  aCenterPnt->setValue(aCenterInSketch);
+  aFocusPnt->setValue(aFocusInSketch);
+  theProjection->boolean(SketchPlugin_EllipticArc::REVERSED_ID())->setValue(isInversed);
+
+  theProjection->data()->blockSendAttributeUpdated(aWasBlocked);
+  return true;
+}
+
+bool SketchPlugin_Projection::fillBSpline(FeaturePtr& theProjection,
+                                          const GeomCurvePtr& theCurve,
+                                          const GeomPlanePtr& thePlane)
+{
+  rebuildProjectedFeature(theProjection, BSPLINE_PROJECTION(), SketchPlugin_BSpline::ID());
+
+  GeomAPI_BSpline aBSpline(theCurve);
+
+  theProjection->integer(SketchPlugin_BSpline::DEGREE_ID())->setValue(aBSpline.degree());
+
+  AttributePoint2DArrayPtr aPolesAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(
+      theProjection->attribute(SketchPlugin_BSpline::POLES_ID()));
+  std::list<GeomPointPtr> aPoles = aBSpline.poles();
+  aPolesAttr->setSize((int)aPoles.size());
+  std::list<GeomPointPtr>::iterator anIt = aPoles.begin();
+  for (int anIndex = 0; anIt != aPoles.end(); ++anIt, ++anIndex) {
+    GeomPnt2dPtr aPoleInSketch = sketch()->to2D(*anIt);
+    aPolesAttr->setPnt(anIndex, aPoleInSketch);
+  }
+
+  AttributeDoubleArrayPtr aWeightsAttr =
+      theProjection->data()->realArray(SketchPlugin_BSpline::WEIGHTS_ID());
+  std::list<double> aWeights = aBSpline.weights();
+  if (aWeights.empty()) { // rational B-spline
+    int aSize = (int)aPoles.size();
+    aWeightsAttr->setSize(aSize);
+    for (int anIndex = 0; anIndex < aSize; ++anIndex)
+      aWeightsAttr->setValue(anIndex, 1.0);
+  }
+  else { // non-rational B-spline
+    aWeightsAttr->setSize((int)aWeights.size());
+    std::list<double>::iterator anIt = aWeights.begin();
+    for (int anIndex = 0; anIt != aWeights.end(); ++anIt, ++anIndex)
+      aWeightsAttr->setValue(anIndex, *anIt);
+  }
+
+  AttributeDoubleArrayPtr aKnotsAttr =
+      theProjection->data()->realArray(SketchPlugin_BSpline::KNOTS_ID());
+  std::list<double> aKnots = aBSpline.knots();
+  int aSize = (int)aKnots.size();
+  aKnotsAttr->setSize(aSize);
+  std::list<double>::iterator aKIt = aKnots.begin();
+  for (int index = 0; index < aSize; ++index, ++aKIt)
+    aKnotsAttr->setValue(index, *aKIt);
+
+  AttributeIntArrayPtr aMultsAttr =
+      theProjection->data()->intArray(SketchPlugin_BSpline::MULTS_ID());
+  std::list<int> aMultiplicities = aBSpline.mults();
+  aSize = (int)aMultiplicities.size();
+  aMultsAttr->setSize(aSize);
+  std::list<int>::iterator aMIt = aMultiplicities.begin();
+  for (int index = 0; index < aSize; ++index, ++aMIt)
+    aMultsAttr->setValue(index, *aMIt);
+
+  return true;
+}
index 40fd6301a6933faafea9675ea4c5b3d8a6a58e5c..b820daf991e95a19bfd0dfe6fa00e84580aaed3b 100644 (file)
@@ -22,6 +22,8 @@
 
 #include "SketchPlugin_SketchEntity.h"
 
+class GeomAPI_Curve;
+
 /** \class SketchPlugin_Projection
  *  \ingroup Plugins
  *  \brief Feature for creation of external feature as a projection onto the sketch plane.
@@ -88,6 +90,34 @@ private:
   /// \brief Find projection of a feature onto sketch plane
   void computeProjection(const std::string& theID);
 
+  /// \brief Project point to the sketch plane
+  bool projectPoint(FeaturePtr& theProjection, const std::shared_ptr<GeomAPI_Pnt>& thePoint);
+  /// \brief Project segment to the sketch plane
+  bool projectSegment(FeaturePtr& theProjection, const std::shared_ptr<GeomAPI_Edge>& theEdge);
+  /// \brief Project any edge to sketch plane
+  bool projectEdge(FeaturePtr& theProjection, const std::shared_ptr<GeomAPI_Edge>& theEdge);
+
+  /// \brief Fill attributes of the Arc feature
+  bool fillArc(FeaturePtr& theProjection,
+               const std::shared_ptr<GeomAPI_Curve>& theArc,
+               const std::shared_ptr<GeomAPI_Pln>& thePlane);
+  /// \brief Fill attributes of the Circle feature
+  bool fillCircle(FeaturePtr& theProjection,
+                  const std::shared_ptr<GeomAPI_Curve>& theCircle,
+                  const std::shared_ptr<GeomAPI_Pln>& thePlane);
+  /// \brief Fill attributes of the Ellipse feature
+  bool fillEllipse(FeaturePtr& theProjection,
+                   const std::shared_ptr<GeomAPI_Curve>& theEllipse,
+                   const std::shared_ptr<GeomAPI_Pln>& thePlane);
+  /// \brief Fill attributes of the EllipticArc feature
+  bool fillEllipticArc(FeaturePtr& theProjection,
+                       const std::shared_ptr<GeomAPI_Curve>& theEllipticArc,
+                       const std::shared_ptr<GeomAPI_Pln>& thePlane);
+  /// \brief Fill attributes of the B-spline feature
+  bool fillBSpline(FeaturePtr& theProjection,
+                   const std::shared_ptr<GeomAPI_Curve>& theCurve,
+                   const std::shared_ptr<GeomAPI_Pln>& thePlane);
+
   /// \brief Delete already calculated projected feature
   ///        if the selection of the projection is changed
   /// \param[in/out] theProjection   projected feature
index a974f743763d601c821430017f850041df53336d..cf8d1ca4a65a7b2fc421b5ec8a8955178ed9fca3 100644 (file)
@@ -1125,38 +1125,35 @@ bool SketchPlugin_ProjectionValidator::isValid(const AttributePtr& theAttribute,
   std::shared_ptr<GeomAPI_Dir> aNormal = aPlane->direction();
   std::shared_ptr<GeomAPI_Pnt> anOrigin = aPlane->location();
 
+  bool aValid = true;
   if (anEdge->isLine()) {
     std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
     std::shared_ptr<GeomAPI_Dir> aLineDir = aLine->direction();
     double aDot = fabs(aNormal->dot(aLineDir));
-    bool aValid = fabs(aDot - 1.0) >= tolerance * tolerance;
+    aValid = fabs(aDot - 1.0) >= tolerance * tolerance;
     if (!aValid)
       theError = "Error: Line is orthogonal to the sketch plane.";
-    return aValid;
   }
   else if (anEdge->isCircle() || anEdge->isArc()) {
     std::shared_ptr<GeomAPI_Circ> aCircle = anEdge->circle();
     std::shared_ptr<GeomAPI_Dir> aCircNormal = aCircle->normal();
     double aDot = fabs(aNormal->dot(aCircNormal));
-    bool aValid = aDot >= tolerance * tolerance;
+    aValid = aDot >= tolerance * tolerance;
     if (!aValid)
       theError.arg(anEdge->isCircle() ? "Error: Circle is orthogonal to the sketch plane."
                                       : "Error: Arc is orthogonal to the sketch plane.");
-    return aValid;
   }
   else if (anEdge->isEllipse()) {
     std::shared_ptr<GeomAPI_Ellipse> anEllipse = anEdge->ellipse();
     std::shared_ptr<GeomAPI_Dir> anEllipseNormal = anEllipse->normal();
     double aDot = fabs(aNormal->dot(anEllipseNormal));
-    bool aValid = fabs(aDot - 1.0) <= tolerance * tolerance;
+    aValid = fabs(aDot - 1.0) <= tolerance * tolerance;
     if (!aValid)
       theError.arg(anEdge->isClosed() ? "Error: Ellipse is orthogonal to the sketch plane."
                                       : "Error: Elliptic Arc is orthogonal to the sketch plane.");
-    return aValid;
   }
 
-  theError = "Error: Selected object is not supported for projection.";
-  return false;
+  return aValid;
 }
 
 
index c8a6cb264fbb55a10da91fd8597ef5204d9ba5be..bce4d90d627523ce8debaf1e6a26df40cbd58d2a 100644 (file)
@@ -101,24 +101,52 @@ static EntityWrapperPtr createScalar(const AttributePtr&     theAttribute,
 static EntityWrapperPtr createScalarArray(const AttributePtr&     theAttribute,
                                           PlaneGCSSolver_Storage* theStorage)
 {
-  AttributeDoubleArrayPtr anArray =
-      std::dynamic_pointer_cast<ModelAPI_AttributeDoubleArray>(theAttribute);
-  if (!anArray || !anArray->isInitialized())
+  class ArrayAttribute {
+  public:
+    ArrayAttribute(AttributePtr theAttribute)
+    {
+      myDouble = std::dynamic_pointer_cast<ModelAPI_AttributeDoubleArray>(theAttribute);
+      myInteger = std::dynamic_pointer_cast<ModelAPI_AttributeIntArray>(theAttribute);
+    }
+
+    bool isInitialized() const
+    {
+      return (myDouble && myDouble->isInitialized()) || (myInteger && myInteger->isInitialized());
+    }
+
+    int size() const
+    {
+      return myDouble.get() ? myDouble->size() : myInteger->size();
+    }
+
+    double value(const int theIndex) const
+    {
+      return myDouble.get() ? myDouble->value(theIndex) : myInteger->value(theIndex);
+    }
+
+  private:
+    AttributeDoubleArrayPtr myDouble;
+    AttributeIntArrayPtr myInteger;
+  } anArray(theAttribute);
+
+  if (!anArray.isInitialized())
     return EntityWrapperPtr();
 
   PlaneGCSSolver_Storage* aStorage = theStorage;
-  // Weights of B-spline curve are not processed by the solver
+  // Weights, knots and multiplicities of B-spline curve are not processed by the solver
   FeaturePtr anOwner = ModelAPI_Feature::feature(theAttribute->owner());
   if (anOwner->getKind() == SketchPlugin_BSpline::ID() &&
-      theAttribute->id() == SketchPlugin_BSpline::WEIGHTS_ID())
+      (theAttribute->id() == SketchPlugin_BSpline::WEIGHTS_ID() ||
+       theAttribute->id() == SketchPlugin_BSpline::KNOTS_ID() ||
+       theAttribute->id() == SketchPlugin_BSpline::MULTS_ID()))
     aStorage = 0;
 
-  int aSize = anArray->size();
+  int aSize = anArray.size();
   GCS::VEC_pD aParameters;
   aParameters.reserve(aSize);
   for (int index = 0; index < aSize; ++index) {
     double* aParam = createParameter(aStorage);
-    *aParam = anArray->value(index);
+    *aParam = anArray.value(index);
     aParameters.push_back(aParam);
   }
 
index b8ac3e1dd98dd188a515925d2db4c5e11da81b82..de163985da3173df1ecbe8f7ffa8c9d69d9eab32 100644 (file)
@@ -318,16 +318,25 @@ EntityWrapperPtr createBSpline(const AttributeEntityMap& theAttributes)
       aNewSpline->start = aNewSpline->poles.front();
       aNewSpline->end = aNewSpline->poles.back();
     }
-    else if (anAttrID == SketchPlugin_BSpline::WEIGHTS_ID()) {
-      ScalarArrayWrapperPtr anArray =
-          std::dynamic_pointer_cast<PlaneGCSSolver_ScalarArrayWrapper>(anIt->second);
-      aNewSpline->weights = anArray->array();
-    }
     else if (anAttrID == SketchPlugin_BSpline::DEGREE_ID()) {
       ScalarWrapperPtr aScalar =
           std::dynamic_pointer_cast<PlaneGCSSolver_ScalarWrapper>(anIt->second);
       aNewSpline->degree = (int)aScalar->value();
     }
+    else {
+      ScalarArrayWrapperPtr anArray =
+          std::dynamic_pointer_cast<PlaneGCSSolver_ScalarArrayWrapper>(anIt->second);
+      if (anAttrID == SketchPlugin_BSpline::WEIGHTS_ID())
+        aNewSpline->weights = anArray->array();
+      else if (anAttrID == SketchPlugin_BSpline::KNOTS_ID())
+        aNewSpline->knots = anArray->array();
+      else if (anAttrID == SketchPlugin_BSpline::MULTS_ID()) {
+        const GCS::VEC_pD& aValues = anArray->array();
+        aNewSpline->mult.reserve(aValues.size());
+        for (GCS::VEC_pD::const_iterator anIt = aValues.begin(); anIt != aValues.end(); ++anIt)
+          aNewSpline->mult.push_back((int)(**anIt));
+      }
+    }
   }
 
   return EdgeWrapperPtr(new PlaneGCSSolver_EdgeWrapper(aNewSpline));
@@ -377,6 +386,8 @@ bool isAttributeApplicable(const std::string& theAttrName, const std::string& th
   else if (theOwnerName == SketchPlugin_BSpline::ID()) {
     return theAttrName == SketchPlugin_BSpline::POLES_ID() ||
            theAttrName == SketchPlugin_BSpline::WEIGHTS_ID() ||
+           theAttrName == SketchPlugin_BSpline::KNOTS_ID() ||
+           theAttrName == SketchPlugin_BSpline::MULTS_ID() ||
            theAttrName == SketchPlugin_BSpline::DEGREE_ID();
   }
 
index a97976001ae0e23e9257c55ff102e12b178f9602..ade6eeaa773dd1330199f8f787eef5124cb36ab0 100644 (file)
@@ -75,13 +75,19 @@ void BSplineImpl::rebuildCache()
 {
   myCachedPoles.clear();
   myCachedWeights.clear();
+  myCachedKnots.clear();
+  myCachedMultiplicities.clear();
 
   for (GCS::VEC_P::iterator anIt = poles.begin(); anIt != poles.end(); ++anIt)
     myCachedPoles.push_back(GeomPnt2dPtr(new GeomAPI_Pnt2d(*anIt->x, *anIt->y)));
   for (GCS::VEC_pD::iterator anIt = weights.begin(); anIt != weights.end(); ++anIt)
     myCachedWeights.push_back(**anIt);
+  for (GCS::VEC_pD::iterator anIt = knots.begin(); anIt != knots.end(); ++anIt)
+    myCachedKnots.push_back(**anIt);
+  myCachedMultiplicities.assign(mult.begin(), mult.end());
 
-  myCurve.reset(new GeomAPI_BSpline2d(myCachedPoles, myCachedWeights, degree, periodic));
+  myCurve.reset(new GeomAPI_BSpline2d(degree, myCachedPoles, myCachedWeights,
+                                      myCachedKnots, myCachedMultiplicities, periodic));
 }
 
 } // namespace GCS
index 87f66653c91157845ed4e30d0a35883ea38328f5..9bc62e327130e6f85db57487e848d07c37e642dd 100644 (file)
@@ -47,6 +47,8 @@ namespace GCS {
     std::shared_ptr<GeomAPI_BSpline2d> myCurve; /// cached B-spline curve
     std::list<std::shared_ptr<GeomAPI_Pnt2d> > myCachedPoles; /// cached B-spline poles
     std::list<double> myCachedWeights; /// cached B-spline weights
+    std::list<double> myCachedKnots; /// cached B-spline knots
+    std::list<int> myCachedMultiplicities; /// cached B-spline multiplicities
   };
 }