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