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   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  38
  39   myStyleListener = new SketcherPrs_DimensionStyleListener();
  40 }
  41
  42 SketcherPrs_Radius::~SketcherPrs_Radius()
  43 {
  44   delete myStyleListener;
  45 }
  46
  47 bool SketcherPrs_Radius::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  48                                           const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  49 {
  50   gp_Circ aCircle;
  51   gp_Pnt anAnchorPoint;
  52   return readyToDisplay(theConstraint, thePlane, aCircle, anAnchorPoint);
  53 }
  54
  55 bool SketcherPrs_Radius::readyToDisplay(ModelAPI_Feature* theConstraint,
  56                                         const std::shared_ptr<GeomAPI_Ax3>& thePlane,
  57                                         gp_Circ& theCircle, gp_Pnt& theAnchorPoint)
  58 {
  59   bool aReadyToDisplay = false;
  60
  61   DataPtr aData = theConstraint->data();
  62
  63   // Flyout point
  64   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  65     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  66     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  67   if (!aFlyoutAttr->isInitialized()) {
  68     return aReadyToDisplay; // can not create a good presentation
  69   }
  70
  71   // Get circle
  72   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  73     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
  74     (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  75   if (!anAttr)
  76     return aReadyToDisplay;
  77
  78   std::shared_ptr<ModelAPI_Feature> aCyrcFeature = ModelAPI_Feature::feature(anAttr->object());
  79   //theRadius = 1;
  80   double aRadius = 1;
  81   std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr;
  82   // it is possible that circle result becomes zero, in this case the presentation should disappear
  83   // for example, it happens when circle radius is set to zero
  84   if (!aCyrcFeature)
  85     return aReadyToDisplay;
  86   if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
  87     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  88         aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
  89     AttributeDoublePtr aCircRadius =
  90       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
  91       aCyrcFeature->data()->attribute(SketchPlugin_Circle::RADIUS_ID()));
  92     aRadius = aCircRadius->value();
  93   } else { // arc
  94     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  95         aCyrcFeature->data()->attribute(SketchPlugin_Arc::CENTER_ID()));
  96     //std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
  97     //  std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  98     //  (aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
  99     //theRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
 100     AttributeDoublePtr aCircRadius =
 101       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 102       aCyrcFeature->data()->attribute(SketchPlugin_Arc::RADIUS_ID()));
 103     aRadius = aCircRadius->value();
 104   }
 105   std::shared_ptr<GeomAPI_Pnt> aCenter = thePlane->to3D(aCenterAttr->x(), aCenterAttr->y());
 106   std::shared_ptr<GeomAPI_Dir> aNormal = thePlane->normal();
 107
 108   GeomAPI_Circ aCircle(aCenter, aNormal, aRadius);
 109   std::shared_ptr<GeomAPI_Pnt> anAnchor = SketcherPrs_Tools::getAnchorPoint(theConstraint, thePlane);
 110
 111   theCircle = aCircle.impl<gp_Circ>();
 112   theAnchorPoint = anAnchor->impl<gp_Pnt>();
 113
 114   aReadyToDisplay = theAnchorPoint.Distance(theCircle.Location()) > 1e-7;
 115
 116   return aReadyToDisplay;
 117 }
 118
 119 void SketcherPrs_Radius::Compute(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   AIS_RadiusDimension::ComputeSelection(aSelection, aMode);
 176 }