src/SketcherPrs/SketcherPrs_Radius.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_Radius.cpp
   4 // Created:     26 March 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_Radius.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_DimensionStyleListener.h"
  10
  11 #include <SketchPlugin_ConstraintRadius.h>
  12 #include <SketchPlugin_Constraint.h>
  13 #include <SketchPlugin_Circle.h>
  14 #include <SketchPlugin_Arc.h>
  15
  16 #include <GeomDataAPI_Point2D.h>
  17 #include <GeomAPI_Pnt2d.h>
  18 #include <GeomAPI_Circ.h>
  19 #include <GeomAPI_XYZ.h>
  20 #include <ModelAPI_AttributeDouble.h>
  21
  22 #include <gp_Circ.hxx>
  23
  24 /// Creates an aspect to be shown in length/radius dimension presentations
  25 /// \return an instance of aspect
  26 extern Handle(Prs3d_DimensionAspect) createDimensionAspect();
  27
  28 /// Update variable aspect parameters (depending on viewer scale)
  29 /// \param theDimAspect an aspect to be changed
  30 /// \param theDimValue an arrow value
  31 /// \param theTextSize an arrow value
  32 extern void updateArrows(Handle_Prs3d_DimensionAspect theDimAspect,
  33                          double theDimValue, double theTextSize);
  34
  35
  36 static const gp_Circ MyDefCirc(gp_Ax2(gp_Pnt(0,0,0), gp_Dir(0,0,1)), 1);
  37
  38 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Radius, AIS_RadiusDimension);
  39
  40 SketcherPrs_Radius::SketcherPrs_Radius(ModelAPI_Feature* theConstraint,
  41                                        const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  42 : AIS_RadiusDimension(MyDefCirc), myConstraint(theConstraint), mySketcherPlane(thePlane),
  43   myCircle(MyDefCirc),
  44   myAnchorPoint(gp_Pnt(0, 0, 2)),
  45   myValue(1, false, "")
  46 {
  47   SetDimensionAspect(createDimensionAspect());
  48   myStyleListener = new SketcherPrs_DimensionStyleListener();
  49 }
  50
  51 SketcherPrs_Radius::~SketcherPrs_Radius()
  52 {
  53   delete myStyleListener;
  54 }
  55
  56 bool SketcherPrs_Radius::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  57                                           const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  58 {
  59   gp_Circ aCircle;
  60   gp_Pnt anAnchorPoint;
  61   return readyToDisplay(theConstraint, thePlane, aCircle, anAnchorPoint);
  62 }
  63
  64 bool SketcherPrs_Radius::readyToDisplay(ModelAPI_Feature* theConstraint,
  65                                         const std::shared_ptr<GeomAPI_Ax3>& thePlane,
  66                                         gp_Circ& theCircle, gp_Pnt& theAnchorPoint)
  67 {
  68   bool aReadyToDisplay = false;
  69
  70   DataPtr aData = theConstraint->data();
  71
  72   // Flyout point
  73   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  74     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  75     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  76   if (!aFlyoutAttr->isInitialized()) {
  77     return aReadyToDisplay; // can not create a good presentation
  78   }
  79
  80   // Get circle
  81   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  82     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
  83     (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  84   if (!anAttr)
  85     return aReadyToDisplay;
  86
  87   std::shared_ptr<ModelAPI_Feature> aCyrcFeature = ModelAPI_Feature::feature(anAttr->object());
  88   //theRadius = 1;
  89   double aRadius = 1;
  90   std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr;
  91   // it is possible that circle result becomes zero, in this case the presentation should disappear
  92   // for example, it happens when circle radius is set to zero
  93   if (!aCyrcFeature)
  94     return aReadyToDisplay;
  95   if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
  96     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  97         aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
  98     AttributeDoublePtr aCircRadius =
  99       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 100       aCyrcFeature->data()->attribute(SketchPlugin_Circle::RADIUS_ID()));
 101     aRadius = aCircRadius->value();
 102   } else { // arc
 103     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 104         aCyrcFeature->data()->attribute(SketchPlugin_Arc::CENTER_ID()));
 105     //std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
 106     //  std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 107     //  (aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
 108     //theRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
 109     AttributeDoublePtr aCircRadius =
 110       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 111       aCyrcFeature->data()->attribute(SketchPlugin_Arc::RADIUS_ID()));
 112     aRadius = aCircRadius->value();
 113   }
 114   std::shared_ptr<GeomAPI_Pnt> aCenter = thePlane->to3D(aCenterAttr->x(), aCenterAttr->y());
 115   std::shared_ptr<GeomAPI_Dir> aNormal = thePlane->normal();
 116
 117   GeomAPI_Circ aCircle(aCenter, aNormal, aRadius);
 118   std::shared_ptr<GeomAPI_Pnt> anAnchor =
 119     SketcherPrs_Tools::getAnchorPoint(theConstraint, thePlane);
 120
 121   theCircle = aCircle.impl<gp_Circ>();
 122   theAnchorPoint = anAnchor->impl<gp_Pnt>();
 123
 124   aReadyToDisplay = theAnchorPoint.Distance(theCircle.Location()) > 1e-7;
 125
 126   return aReadyToDisplay;
 127 }
 128
 129 void SketcherPrs_Radius::Compute(
 130   const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 131   const Handle(Prs3d_Presentation)& thePresentation,
 132   const Standard_Integer theMode)
 133 {
 134   gp_Circ aCircle;
 135   gp_Pnt anAnchorPoint;
 136   bool aReadyToDisplay = readyToDisplay(myConstraint, mySketcherPlane, aCircle, anAnchorPoint);
 137   if (aReadyToDisplay) {
 138     myCircle = aCircle;
 139     myAnchorPoint = anAnchorPoint;
 140
 141     DataPtr aData = myConstraint->data();
 142     AttributeDoublePtr anAttributeValue = aData->real(SketchPlugin_Constraint::VALUE());
 143     myValue.init(anAttributeValue);
 144   }
 145
 146   SetMeasuredGeometry(myCircle, myAnchorPoint);
 147   myStyleListener->updateDimensions(this, myValue);
 148
 149   // Update variable aspect parameters (depending on viewer scale)
 150   double aTextSize = 0.0;
 151   GetValueString(aTextSize);
 152   updateArrows(DimensionAspect(), GetValue(), aTextSize);
 153
 154
 155   AIS_RadiusDimension::Compute(thePresentationManager, thePresentation, theMode);
 156
 157   if (!aReadyToDisplay)
 158     SketcherPrs_Tools::sendEmptyPresentationError(myConstraint,
 159                               "An empty AIS presentation: SketcherPrs_Radius");
 160 }
 161
 162 void SketcherPrs_Radius::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 163                                                    const Standard_Integer theMode)
 164 {
 165   // Map the application selection modes to standard ones
 166   Standard_Integer aMode;
 167   switch (theMode) {
 168   case 0: // we should use selection of all objects
 169     aMode = 0;
 170     break;
 171   case SketcherPrs_Tools::Sel_Dimension_All:
 172     aMode = 0;
 173     break;
 174   case SketcherPrs_Tools::Sel_Dimension_Line:
 175     aMode = 1;
 176     break;
 177   case SketcherPrs_Tools::Sel_Dimension_Text:
 178     aMode = 2;
 179     break;
 180   default: {
 181     // there are own selection modes, so the others should be ignored
 182     // otherwise, the text selection appears in the viewer
 183     return;
 184   }
 185   }
 186   SetSelToleranceForText2d(SketcherPrs_Tools::getTextHeight());
 187   AIS_RadiusDimension::ComputeSelection(aSelection, aMode);
 188 }