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
  10 #include <SketchPlugin_ConstraintRadius.h>
  11 #include <SketchPlugin_Constraint.h>
  12 #include <SketchPlugin_Circle.h>
  13 #include <SketchPlugin_Arc.h>
  14
  15 #include <GeomDataAPI_Point2D.h>
  16 #include <GeomAPI_Pnt2d.h>
  17 #include <GeomAPI_Circ.h>
  18 #include <GeomAPI_XYZ.h>
  19 #include <ModelAPI_AttributeDouble.h>
  20
  21 #include <gp_Circ.hxx>
  22
  23 static const gp_Circ MyDefCirc(gp_Ax2(gp_Pnt(0,0,0), gp_Dir(0,0,1)), 1);
  24
  25 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Radius, AIS_RadiusDimension);
  26 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Radius, AIS_RadiusDimension);
  27
  28 SketcherPrs_Radius::SketcherPrs_Radius(ModelAPI_Feature* theConstraint,
  29                                        const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  30 : AIS_RadiusDimension(MyDefCirc), myConstraint(theConstraint), myPlane(thePlane)
  31 {
  32   myAspect = new Prs3d_DimensionAspect();
  33   myAspect->MakeArrows3d(false);
  34   myAspect->MakeText3d(false);
  35   myAspect->MakeTextShaded(false);
  36   myAspect->MakeUnitsDisplayed(false);
  37   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  38   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  39
  40   SetDimensionAspect(myAspect);
  41   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  42 }
  43
  44 void SketcherPrs_Radius::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  45                                  const Handle(Prs3d_Presentation)& thePresentation,
  46                                  const Standard_Integer theMode)
  47 {
  48   DataPtr aData = myConstraint->data();
  49
  50   // Flyout point
  51   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  52     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  53     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  54   if (!aFlyoutAttr->isInitialized())
  55     return; // can not create a good presentation
  56
  57   // Get circle
  58   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  59     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
  60     (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  61   if (!anAttr) return;
  62
  63   std::shared_ptr<ModelAPI_Feature> aCyrcFeature = ModelAPI_Feature::feature(anAttr->object());
  64   double aRadius = 1;
  65   std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr;
  66   // it is possible that circle result becomes zero, in this case the presentation should disappear
  67   // for example, it happens when circle radius is set to zero
  68   if (!aCyrcFeature)
  69     return;
  70   if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
  71     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  72         aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
  73     AttributeDoublePtr aCircRadius =
  74       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
  75       aCyrcFeature->data()->attribute(SketchPlugin_Circle::RADIUS_ID()));
  76     aRadius = aCircRadius->value();
  77   } else { // arc
  78     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  79         aCyrcFeature->data()->attribute(SketchPlugin_Arc::CENTER_ID()));
  80     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
  81       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  82       (aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
  83     aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
  84   }
  85   std::shared_ptr<GeomAPI_Pnt> aCenter = myPlane->to3D(aCenterAttr->x(), aCenterAttr->y());
  86   std::shared_ptr<GeomAPI_Dir> aNormal = myPlane->norm();
  87
  88   GeomAPI_Circ aCircle(aCenter, aNormal, aRadius);
  89
  90   std::shared_ptr<GeomAPI_Pnt> anAnchor = SketcherPrs_Tools::getAnchorPoint(myConstraint, myPlane);
  91
  92   gp_Circ aCirc = aCircle.impl<gp_Circ>();
  93   gp_Pnt anAncorPnt = anAnchor->impl<gp_Pnt>();
  94   // anchor point should not coincide to the location point of the circle
  95   // OCCT does not process this case.
  96   if (anAncorPnt.Distance(aCirc.Location()) < 1e-7)
  97     return;
  98   SetMeasuredGeometry(aCirc, anAncorPnt);
  99   SetCustomValue(aRadius);
 100
 101   myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
 102   myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
 103
 104   AIS_RadiusDimension::Compute(thePresentationManager, thePresentation, theMode);
 105 }
 106
 107 void SketcherPrs_Radius::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 108                                                    const Standard_Integer theMode)
 109 {
 110   Standard_Integer aMode;
 111   switch (theMode) {
 112   case 0: // we should use selection of all objects
 113     aMode = 0;
 114     break;
 115   case SketcherPrs_Tools::Sel_Dimension_All:
 116     aMode = 0;
 117     break;
 118   case SketcherPrs_Tools::Sel_Dimension_Line:
 119     aMode = 1;
 120     break;
 121   case SketcherPrs_Tools::Sel_Dimension_Text:
 122     aMode = 2;
 123     break;
 124   default: {
 125     // there are own selection modes, so the others should be ignored
 126     // otherwise, the text selection appears in the viewer
 127     return;
 128   }
 129   }
 130   AIS_RadiusDimension::ComputeSelection(aSelection, aMode);
 131 }