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
   9 #include <SketchPlugin_ConstraintRadius.h>
  10 #include <SketchPlugin_Constraint.h>
  11 #include <SketchPlugin_Circle.h>
  12 #include <SketchPlugin_Arc.h>
  13
  14 #include <GeomDataAPI_Point2D.h>
  15 #include <GeomAPI_Pnt2D.h>
  16 #include <GeomAPI_Circ.h>
  17 #include <GeomAPI_XYZ.h>
  18 #include <ModelAPI_AttributeDouble.h>
  19
  20 const int CONSTRAINT_TEXT_HEIGHT = 20;  /// the text height of the constraint
  21 const int CONSTRAINT_TEXT_SELECTION_TOLERANCE = 20;  /// the text selection tolerance
  22
  23 static 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(SketchPlugin_Constraint* 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
  38   SetDimensionAspect(myAspect);
  39   SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
  40 }
  41
  42
  43 void SketcherPrs_Radius::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
  44                                  const Handle(Prs3d_Presentation)& thePresentation,
  45                                  const Standard_Integer theMode)
  46 {
  47   DataPtr aData = myConstraint->data();
  48
  49   // Flyout point
  50   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  51     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  52     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  53   if (!aFlyoutAttr->isInitialized())
  54     return; // can not create a good presentation
  55
  56   std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyoutAttr->x(), aFlyoutAttr->y());
  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   if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
  68     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  69         aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
  70     AttributeDoublePtr aCircRadius =
  71       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
  72       aCyrcFeature->data()->attribute(SketchPlugin_Circle::RADIUS_ID()));
  73     aRadius = aCircRadius->value();
  74   } else { // arc
  75     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  76         aCyrcFeature->data()->attribute(SketchPlugin_Arc::CENTER_ID()));
  77     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
  78       std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  79       (aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
  80     aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
  81   }
  82   std::shared_ptr<GeomAPI_Pnt> aCenter = myPlane->to3D(aCenterAttr->x(), aCenterAttr->y());
  83   std::shared_ptr<GeomAPI_Dir> aNormal = myPlane->norm();
  84
  85   GeomAPI_Circ aCircle(aCenter, aNormal, aRadius);
  86   //gp_Circ aCircle(gp_Ax2(aCenter->impl<gp_Pnt>(), aNormal->impl<gp_Dir>()), aRadius);
  87
  88   std::shared_ptr<GeomAPI_Pnt> anAnchor = aCircle.project(aFlyoutPnt);
  89   std::shared_ptr<GeomAPI_XYZ> anAnchorXYZ = anAnchor->xyz();
  90   anAnchorXYZ = anAnchorXYZ->decreased(aCenter->xyz());
  91   std::shared_ptr<GeomAPI_Dir> aDeltaDir(new GeomAPI_Dir(anAnchorXYZ));
  92   const double aDelta = 1e-3;
  93   anAnchor->setX(anAnchor->x() + aDelta * aDeltaDir->x());
  94   anAnchor->setY(anAnchor->y() + aDelta * aDeltaDir->y());
  95   anAnchor->setZ(anAnchor->z() + aDelta * aDeltaDir->z());
  96
  97   SetMeasuredGeometry(aCircle.impl<gp_Circ>(), anAnchor->impl<gp_Pnt>());
  98   SetCustomValue(aRadius);
  99
 100   myAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
 101   myAspect->ArrowAspect()->SetLength(CONSTRAINT_TEXT_HEIGHT * 2.);
 102   AIS_RadiusDimension::Compute(thePresentationManager, thePresentation, theMode);
 103 }