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   // Set default values of the presentation
  33   myAspect = new Prs3d_DimensionAspect();
  34   myAspect->MakeArrows3d(false);
  35   myAspect->MakeText3d(false);
  36   myAspect->MakeTextShaded(false);
  37   myAspect->MakeUnitsDisplayed(false);
  38   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  39   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  40
  41   SetDimensionAspect(myAspect);
  42   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  43 }
  44
  45 void SketcherPrs_Radius::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  46                                  const Handle(Prs3d_Presentation)& thePresentation,
  47                                  const Standard_Integer theMode)
  48 {
  49   DataPtr aData = myConstraint->data();
  50
  51   // Flyout point
  52   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  53     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  54     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  55   if (!aFlyoutAttr->isInitialized())
  56     return; // can not create a good presentation
  57
  58   // Get circle
  59   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
  60     std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
  61     (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
  62   if (!anAttr) return;
  63
  64   std::shared_ptr<ModelAPI_Feature> aCyrcFeature = ModelAPI_Feature::feature(anAttr->object());
  65   double aRadius = 1;
  66   std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr;
  67   // it is possible that circle result becomes zero, in this case the presentation should disappear
  68   // for example, it happens when circle radius is set to zero
  69   if (!aCyrcFeature)
  70     return;
  71   if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
  72     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  73         aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
  74     AttributeDoublePtr aCircRadius =
  75       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
  76       aCyrcFeature->data()->attribute(SketchPlugin_Circle::RADIUS_ID()));
  77     aRadius = aCircRadius->value();
  78   } else { // arc
  79     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  80         aCyrcFeature->data()->attribute(SketchPlugin_Arc::CENTER_ID()));
  81     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
  82       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  83       (aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
  84     aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
  85   }
  86   std::shared_ptr<GeomAPI_Pnt> aCenter = myPlane->to3D(aCenterAttr->x(), aCenterAttr->y());
  87   std::shared_ptr<GeomAPI_Dir> aNormal = myPlane->normal();
  88
  89   GeomAPI_Circ aCircle(aCenter, aNormal, aRadius);
  90
  91   std::shared_ptr<GeomAPI_Pnt> anAnchor = SketcherPrs_Tools::getAnchorPoint(myConstraint, myPlane);
  92
  93   gp_Circ aCirc = aCircle.impl<gp_Circ>();
  94   gp_Pnt anAncorPnt = anAnchor->impl<gp_Pnt>();
  95   // anchor point should not coincide to the location point of the circle
  96   // OCCT does not process this case.
  97   if (anAncorPnt.Distance(aCirc.Location()) < 1e-7)
  98     return;
  99   SetMeasuredGeometry(aCirc, anAncorPnt);
 100   SetCustomValue(aRadius);
 101
 102   myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
 103   myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
 104   // The value of vertical aligment is sometimes changed
 105   myAspect->TextAspect()->SetVerticalJustification(Graphic3d_VTA_CENTER);
 106
 107   AIS_RadiusDimension::Compute(thePresentationManager, thePresentation, theMode);
 108 }
 109
 110 void SketcherPrs_Radius::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 111                                                    const Standard_Integer theMode)
 112 {
 113   // Map the application selection modes to standard ones
 114   Standard_Integer aMode;
 115   switch (theMode) {
 116   case 0: // we should use selection of all objects
 117     aMode = 0;
 118     break;
 119   case SketcherPrs_Tools::Sel_Dimension_All:
 120     aMode = 0;
 121     break;
 122   case SketcherPrs_Tools::Sel_Dimension_Line:
 123     aMode = 1;
 124     break;
 125   case SketcherPrs_Tools::Sel_Dimension_Text:
 126     aMode = 2;
 127     break;
 128   default: {
 129     // there are own selection modes, so the others should be ignored
 130     // otherwise, the text selection appears in the viewer
 131     return;
 132   }
 133   }
 134   AIS_RadiusDimension::ComputeSelection(aSelection, aMode);
 135 }