src/SketchPlugin/SketchPlugin_BSpline.cpp

   1 // Copyright (C) 2019-2020  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include <SketchPlugin_BSpline.h>
  21 #include <SketchPlugin_Sketch.h>
  22
  23 #include <GeomAlgoAPI_EdgeBuilder.h>
  24
  25 #include <GeomAPI_Pnt2d.h>
  26
  27 #include <GeomDataAPI_Point2DArray.h>
  28
  29 #include <ModelAPI_AttributeDoubleArray.h>
  30 #include <ModelAPI_AttributeIntArray.h>
  31 #include <ModelAPI_AttributeInteger.h>
  32 #include <ModelAPI_ResultConstruction.h>
  33 #include <ModelAPI_Session.h>
  34 #include <ModelAPI_Validator.h>
  35
  36
  37 SketchPlugin_BSpline::SketchPlugin_BSpline()
  38   : SketchPlugin_SketchEntity()
  39 {
  40 }
  41
  42 void SketchPlugin_BSpline::initDerivedClassAttributes()
  43 {
  44   data()->addAttribute(POLES_ID(), GeomDataAPI_Point2DArray::typeId());
  45   data()->addAttribute(WEIGHTS_ID(), ModelAPI_AttributeDoubleArray::typeId());
  46   data()->addAttribute(KNOTS_ID(), ModelAPI_AttributeDoubleArray::typeId());
  47   data()->addAttribute(MULTS_ID(), ModelAPI_AttributeIntArray::typeId());
  48   data()->addAttribute(DEGREE_ID(), ModelAPI_AttributeInteger::typeId());
  49
  50   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  51   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  52 }
  53
  54 void SketchPlugin_BSpline::execute()
  55 {
  56   SketchPlugin_Sketch* aSketch = sketch();
  57   if(!aSketch) {
  58     return;
  59   }
  60
  61   AttributePoint2DArrayPtr aPolesArray =
  62       std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(attribute(POLES_ID()));
  63   AttributeDoubleArrayPtr aWeightsArray = data()->realArray(WEIGHTS_ID());
  64   AttributeDoubleArrayPtr aKnotsArray = data()->realArray(KNOTS_ID());
  65   AttributeIntArrayPtr aMultsArray = data()->intArray(MULTS_ID());
  66   AttributeIntegerPtr aDegreeAttr = data()->integer(DEGREE_ID());
  67
  68   // collect poles
  69   std::list<GeomPnt2dPtr> aPoles2D;
  70   for (int anIndex = 0; anIndex < aPolesArray->size(); ++anIndex) {
  71     GeomPnt2dPtr aPole = aPolesArray->pnt(anIndex);
  72     aPoles2D.push_back(aPole);
  73   }
  74   // collect weights
  75   std::list<double> aWeights;
  76   for (int anIndex = 0; anIndex < aWeightsArray->size(); ++anIndex)
  77     aWeights.push_back(aWeightsArray->value(anIndex));
  78   // collect knots
  79   std::list<double> aKnots;
  80   for (int anIndex = 0; anIndex < aKnotsArray->size(); ++anIndex)
  81     aKnots.push_back(aKnotsArray->value(anIndex));
  82   // collect multiplicities
  83   std::list<int> aMults;
  84   for (int anIndex = 0; anIndex < aMultsArray->size(); ++anIndex)
  85     aMults.push_back(aMultsArray->value(anIndex));
  86
  87   // create result non-periodic B-spline curve
  88   GeomShapePtr anEdge = GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(aSketch->coordinatePlane(),
  89       aPoles2D, aWeights, aKnots, aMults, aDegreeAttr->value(), false);
  90
  91   ResultConstructionPtr aResult = document()->createConstruction(data(), 0);
  92   aResult->setShape(anEdge);
  93   aResult->setIsInHistory(false);
  94   setResult(aResult, 0);
  95 }
  96
  97 bool SketchPlugin_BSpline::isFixed() {
  98   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
  99 }
 100
 101 void SketchPlugin_BSpline::attributeChanged(const std::string& theID) {
 102   // the second condition for unability to move external segments anywhere
 103   if (theID == EXTERNAL_ID() || isFixed()) {
 104     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 105     if (!aSelection) {
 106       // empty shape in selection shows that the shape is equal to context
 107       ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
 108       if (anExtRes)
 109         aSelection = anExtRes->shape();
 110     }
 111 ////    // update arguments due to the selection value
 112 ////    if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
 113 ////      std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aSelection));
 114 ////      std::shared_ptr<GeomAPI_Ellipse> anEllipse = anEdge->ellipse();
 115 ////
 116 ////      bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 117 ////      std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
 118 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_ID()));
 119 ////      aCenterAttr->setValue(sketch()->to2D(anEllipse->center()));
 120 ////
 121 ////      std::shared_ptr<GeomDataAPI_Point2D> aFocusAttr =
 122 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(FIRST_FOCUS_ID()));
 123 ////      aFocusAttr->setValue(sketch()->to2D(anEllipse->firstFocus()));
 124 ////
 125 ////      std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
 126 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_ID()));
 127 ////      aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
 128 ////
 129 ////      std::shared_ptr<GeomDataAPI_Point2D> aEndAttr =
 130 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_ID()));
 131 ////      aEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
 132 ////
 133 ////      real(MAJOR_RADIUS_ID())->setValue(anEllipse->majorRadius());
 134 ////      real(MINOR_RADIUS_ID())->setValue(anEllipse->minorRadius());
 135 ////
 136 ////      double aStartParam, aMidParam, aEndParam;
 137 ////      anEllipse->parameter(anEdge->firstPoint(), tolerance, aStartParam);
 138 ////      anEllipse->parameter(anEdge->middlePoint(), tolerance, aMidParam);
 139 ////      anEllipse->parameter(anEdge->lastPoint(), tolerance, aEndParam);
 140 ////      if (aEndParam < aStartParam)
 141 ////        aEndParam += 2.0 * PI;
 142 ////      if (aMidParam < aStartParam)
 143 ////        aMidParam += 2.0 * PI;
 144 ////      boolean(REVERSED_ID())->setValue(aMidParam > aEndParam);
 145 ////
 146 ////      data()->blockSendAttributeUpdated(aWasBlocked, false);
 147 ////
 148 ////      fillCharacteristicPoints();
 149 ////    }
 150   }
 151 ////  else if (theID == CENTER_ID() || theID == FIRST_FOCUS_ID() ||
 152 ////           theID == START_POINT_ID() || theID == END_POINT_ID())
 153 ////    fillCharacteristicPoints();
 154 ////  else if (theID == REVERSED_ID() && myParamDelta == 0.0)
 155 ////    myParamDelta = 2.0 * PI;
 156 }