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_ResultConstruction.h>
  36 #include <ModelAPI_Session.h>
  37 #include <ModelAPI_Validator.h>
  38
  39 ////#include <cmath>
  40 ////
  41 ////static const double tolerance = 1e-7;
  42 ////static const double paramTolerance = 1.e-4;
  43 ////static const double PI = 3.141592653589793238463;
  44
  45
  46 SketchPlugin_BSpline::SketchPlugin_BSpline()
  47   : SketchPlugin_SketchEntity()
  48 {
  49 }
  50
  51 void SketchPlugin_BSpline::initDerivedClassAttributes()
  52 {
  53   data()->addAttribute(POLES_ID(), GeomDataAPI_Point2DArray::typeId());
  54   data()->addAttribute(WEIGHTS_ID(), ModelAPI_AttributeDoubleArray::typeId());
  55
  56   data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
  57   ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
  58 }
  59
  60 void SketchPlugin_BSpline::execute()
  61 {
  62   SketchPlugin_Sketch* aSketch = sketch();
  63   if(!aSketch) {
  64     return;
  65   }
  66
  67   AttributePoint2DArrayPtr aPolesArray =
  68       std::dynamic_pointer_cast<GeomDataAPI_Point2DArray>(attribute(POLES_ID()));
  69   AttributeDoubleArrayPtr aWeightsArray = data()->realArray(WEIGHTS_ID());
  70
  71   // convert poles to 3D
  72   std::vector<GeomPointPtr> aPoles3D;
  73   aPoles3D.reserve(aPolesArray->size());
  74   for (int anIndex = 0; anIndex < aPolesArray->size(); ++anIndex) {
  75     GeomPnt2dPtr aPole = aPolesArray->pnt(anIndex);
  76     aPoles3D.push_back(aSketch->to3D(aPole->x(), aPole->y()));
  77   }
  78   // collect weights
  79   std::vector<double> aWeights;
  80   aWeights.reserve(aWeightsArray->size());
  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 = GeomAlgoAPI_EdgeBuilder::bspline(aPoles3D, aWeights, false);
  86
  87   ResultConstructionPtr aResult = document()->createConstruction(data(), 0);
  88   aResult->setShape(anEdge);
  89   aResult->setIsInHistory(false);
  90   setResult(aResult, 0);
  91 }
  92
  93 bool SketchPlugin_BSpline::isFixed() {
  94   return data()->selection(EXTERNAL_ID())->context().get() != NULL;
  95 }
  96
  97 void SketchPlugin_BSpline::attributeChanged(const std::string& theID) {
  98   // the second condition for unability to move external segments anywhere
  99   if (theID == EXTERNAL_ID() || isFixed()) {
 100     std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
 101     if (!aSelection) {
 102       // empty shape in selection shows that the shape is equal to context
 103       ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
 104       if (anExtRes)
 105         aSelection = anExtRes->shape();
 106     }
 107 ////    // update arguments due to the selection value
 108 ////    if (aSelection && !aSelection->isNull() && aSelection->isEdge()) {
 109 ////      std::shared_ptr<GeomAPI_Edge> anEdge(new GeomAPI_Edge(aSelection));
 110 ////      std::shared_ptr<GeomAPI_Ellipse> anEllipse = anEdge->ellipse();
 111 ////
 112 ////      bool aWasBlocked = data()->blockSendAttributeUpdated(true);
 113 ////      std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
 114 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(CENTER_ID()));
 115 ////      aCenterAttr->setValue(sketch()->to2D(anEllipse->center()));
 116 ////
 117 ////      std::shared_ptr<GeomDataAPI_Point2D> aFocusAttr =
 118 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(FIRST_FOCUS_ID()));
 119 ////      aFocusAttr->setValue(sketch()->to2D(anEllipse->firstFocus()));
 120 ////
 121 ////      std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
 122 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(START_POINT_ID()));
 123 ////      aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
 124 ////
 125 ////      std::shared_ptr<GeomDataAPI_Point2D> aEndAttr =
 126 ////        std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(END_POINT_ID()));
 127 ////      aEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
 128 ////
 129 ////      real(MAJOR_RADIUS_ID())->setValue(anEllipse->majorRadius());
 130 ////      real(MINOR_RADIUS_ID())->setValue(anEllipse->minorRadius());
 131 ////
 132 ////      double aStartParam, aMidParam, aEndParam;
 133 ////      anEllipse->parameter(anEdge->firstPoint(), tolerance, aStartParam);
 134 ////      anEllipse->parameter(anEdge->middlePoint(), tolerance, aMidParam);
 135 ////      anEllipse->parameter(anEdge->lastPoint(), tolerance, aEndParam);
 136 ////      if (aEndParam < aStartParam)
 137 ////        aEndParam += 2.0 * PI;
 138 ////      if (aMidParam < aStartParam)
 139 ////        aMidParam += 2.0 * PI;
 140 ////      boolean(REVERSED_ID())->setValue(aMidParam > aEndParam);
 141 ////
 142 ////      data()->blockSendAttributeUpdated(aWasBlocked, false);
 143 ////
 144 ////      fillCharacteristicPoints();
 145 ////    }
 146   }
 147 ////  else if (theID == CENTER_ID() || theID == FIRST_FOCUS_ID() ||
 148 ////           theID == START_POINT_ID() || theID == END_POINT_ID())
 149 ////    fillCharacteristicPoints();
 150 ////  else if (theID == REVERSED_ID() && myParamDelta == 0.0)
 151 ////    myParamDelta = 2.0 * PI;
 152 }