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_Dir2d.h>
  26 ////#include <GeomAPI_Edge.h>
  27 ////#include <GeomAPI_Ellipse.h>
  28 ////#include <GeomAPI_Ellipse2d.h>
  29 #include <GeomAPI_Pnt2d.h>
  30 ////#include <GeomAPI_XY.h>
  31
  32 #include <GeomDataAPI_Point2DArray.h>
  33
  34 #include <ModelAPI_AttributeDoubleArray.h>
  35 #include <ModelAPI_AttributeInteger.h>
  36 #include <ModelAPI_ResultConstruction.h>
  37 #include <ModelAPI_Session.h>
  38 #include <ModelAPI_Validator.h>
  39
  40 ////#include <cmath>
  41 ////
  42 ////static const double tolerance = 1e-7;
  43 ////static const double paramTolerance = 1.e-4;
  44 ////static const double PI = 3.141592653589793238463;
  45
  46
  47 SketchPlugin_BSpline::SketchPlugin_BSpline()
  48   : SketchPlugin_SketchEntity()
  49 {
  50 }
  51
  52 void SketchPlugin_BSpline::initDerivedClassAttributes()
  53 {
  54   data()->addAttribute(POLES_ID(), GeomDataAPI_Point2DArray::typeId());
  55   data()->addAttribute(WEIGHTS_ID(), ModelAPI_AttributeDoubleArray::typeId());
  56   data()->addAttribute(DEGREE_ID(), ModelAPI_AttributeInteger::typeId());
  57
  58   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  59   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  60 }
  61
  62 void SketchPlugin_BSpline::execute()
  63 {
  64   SketchPlugin_Sketch* aSketch = sketch();
  65   if(!aSketch) {
  66     return;
  67   }
  68
  69   AttributePoint2DArrayPtr aPolesArray =
  70       std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(attribute(POLES_ID()));
  71   AttributeDoubleArrayPtr aWeightsArray = data()->realArray(WEIGHTS_ID());
  72
  73   // collect poles
  74   std::list<GeomPnt2dPtr> aPoles2D;
  75   for (int anIndex = 0; anIndex < aPolesArray->size(); ++anIndex) {
  76     GeomPnt2dPtr aPole = aPolesArray->pnt(anIndex);
  77     aPoles2D.push_back(aPole);
  78   }
  79   // collect weights
  80   std::list<double> aWeights;
  81   for (int anIndex = 0; anIndex < aWeightsArray->size(); ++anIndex)
  82     aWeights.push_back(aWeightsArray->value(anIndex));
  83
  84   // create result non-periodic B-spline curve
  85   GeomShapePtr anEdge =
  86       GeomAlgoAPI_EdgeBuilder::bsplineOnPlane(aSketch->plane(), aPoles2D, aWeights, false);
  87
  88   ResultConstructionPtr aResult = document()->createConstruction(data(), 0);
  89   aResult->setShape(anEdge);
  90   aResult->setIsInHistory(false);
  91   setResult(aResult, 0);
  92 }
  93
  94 bool SketchPlugin_BSpline::isFixed() {
  95   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
  96 }
  97
  98 void SketchPlugin_BSpline::attributeChanged(const std::string& theID) {
  99   // the second condition for unability to move external segments anywhere
 100   if (theID == EXTERNAL_ID() || isFixed()) {
 101     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 102     if (!aSelection) {
 103       // empty shape in selection shows that the shape is equal to context
 104       ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
 105       if (anExtRes)
 106         aSelection = anExtRes->shape();
 107     }
 108 ////    // update arguments due to the selection value
 109 ////    if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
 110 ////      std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aSelection));
 111 ////      std::shared_ptr<GeomAPI_Ellipse> anEllipse = anEdge->ellipse();
 112 ////
 113 ////      bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 114 ////      std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
 115 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_ID()));
 116 ////      aCenterAttr->setValue(sketch()->to2D(anEllipse->center()));
 117 ////
 118 ////      std::shared_ptr<GeomDataAPI_Point2D> aFocusAttr =
 119 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(FIRST_FOCUS_ID()));
 120 ////      aFocusAttr->setValue(sketch()->to2D(anEllipse->firstFocus()));
 121 ////
 122 ////      std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
 123 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_ID()));
 124 ////      aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
 125 ////
 126 ////      std::shared_ptr<GeomDataAPI_Point2D> aEndAttr =
 127 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_ID()));
 128 ////      aEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
 129 ////
 130 ////      real(MAJOR_RADIUS_ID())->setValue(anEllipse->majorRadius());
 131 ////      real(MINOR_RADIUS_ID())->setValue(anEllipse->minorRadius());
 132 ////
 133 ////      double aStartParam, aMidParam, aEndParam;
 134 ////      anEllipse->parameter(anEdge->firstPoint(), tolerance, aStartParam);
 135 ////      anEllipse->parameter(anEdge->middlePoint(), tolerance, aMidParam);
 136 ////      anEllipse->parameter(anEdge->lastPoint(), tolerance, aEndParam);
 137 ////      if (aEndParam < aStartParam)
 138 ////        aEndParam += 2.0 * PI;
 139 ////      if (aMidParam < aStartParam)
 140 ////        aMidParam += 2.0 * PI;
 141 ////      boolean(REVERSED_ID())->setValue(aMidParam > aEndParam);
 142 ////
 143 ////      data()->blockSendAttributeUpdated(aWasBlocked, false);
 144 ////
 145 ////      fillCharacteristicPoints();
 146 ////    }
 147   }
 148 ////  else if (theID == CENTER_ID() || theID == FIRST_FOCUS_ID() ||
 149 ////           theID == START_POINT_ID() || theID == END_POINT_ID())
 150 ////    fillCharacteristicPoints();
 151 ////  else if (theID == REVERSED_ID() && myParamDelta == 0.0)
 152 ////    myParamDelta = 2.0 * PI;
 153 }