src/SketcherPrs/SketcherPrs_Angle.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        SketcherPrs_Angle.cpp
   4 // Created:     20 August 2015
   5 // Author:      Vitaly SMETANNIKOV
   6
   7 #include "SketcherPrs_Angle.h"
   8 #include "SketcherPrs_Tools.h"
   9 #include "SketcherPrs_DimensionStyleListener.h"
  10
  11 #include <SketchPlugin_ConstraintAngle.h>
  12 #include <SketchPlugin_Constraint.h>
  13 #include <SketchPlugin_Line.h>
  14
  15 #include <GeomAPI_Edge.h>
  16 #include <GeomAPI_Lin.h>
  17 #include <GeomDataAPI_Point2D.h>
  18 #include <GeomAPI_Angle2d.h>
  19 #include <GeomAPI_Lin2d.h>
  20
  21 #include <ModelAPI_AttributeRefAttr.h>
  22 #include <ModelAPI_AttributeDouble.h>
  23 #include <ModelAPI_AttributeInteger.h>
  24
  25 #include <TopExp.hxx>
  26 #include <BRep_Tool.hxx>
  27
  28 #include <Events_Error.h>
  29
  30 #define PI 3.1415926535897932
  31
  32 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Angle, AIS_AngleDimension);
  33 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_Angle, AIS_AngleDimension);
  34
  35 SketcherPrs_Angle::SketcherPrs_Angle(ModelAPI_Feature* theConstraint,
  36                                      const std::shared_ptr<GeomAPI_Ax3>& thePlane)
  37 : AIS_AngleDimension(gp_Pnt(0,0,0), gp_Pnt(1,0,0), gp_Pnt(0,1,0)), myConstraint(theConstraint), myPlane(thePlane)
  38 {
  39   myAspect = new Prs3d_DimensionAspect();
  40   myAspect->MakeArrows3d(false);
  41   myAspect->MakeText3d(false);
  42   myAspect->MakeTextShaded(false);
  43   myAspect->MakeUnitsDisplayed(false);
  44   myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
  45   myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
  46
  47   SetDimensionAspect(myAspect);
  48   SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
  49
  50   myStyleListener = new SketcherPrs_DimensionStyleListener();
  51 }
  52
  53 SketcherPrs_Angle::~SketcherPrs_Angle()
  54 {
  55   delete myStyleListener;
  56 }
  57
  58 bool SketcherPrs_Angle::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
  59                                          const std::shared_ptr<GeomAPI_Ax3>&/* thePlane*/)
  60 {
  61   bool aReadyToDisplay = false;
  62
  63   DataPtr aData = theConstraint->data();
  64
  65   // Flyout point
  66   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
  67     std::dynamic_pointer_cast<GeomDataAPI_Point2D>
  68     (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  69   if (!aFlyoutAttr->isInitialized())
  70     return aReadyToDisplay; // can not create a good presentation
  71
  72   AttributeRefAttrPtr anAttr1 = aData->refattr(SketchPlugin_Constraint::ENTITY_A());
  73   if (!anAttr1->isInitialized())
  74     return aReadyToDisplay;
  75
  76   AttributeRefAttrPtr anAttr2 = aData->refattr(SketchPlugin_Constraint::ENTITY_B());
  77   if (!anAttr2->isInitialized())
  78     return aReadyToDisplay;
  79
  80   // Get angle edges
  81   ObjectPtr aObj1 = anAttr1->object();
  82   ObjectPtr aObj2 = anAttr2->object();
  83
  84   std::shared_ptr<GeomAPI_Shape> aShape1 = SketcherPrs_Tools::getShape(aObj1);
  85   std::shared_ptr<GeomAPI_Shape> aShape2 = SketcherPrs_Tools::getShape(aObj2);
  86
  87   aReadyToDisplay = aShape1.get() && aShape2.get();
  88   return aReadyToDisplay;
  89 }
  90
  91 bool SketcherPrs_Angle::getPoints(gp_Pnt& theFirstPoint, gp_Pnt& theSecondPoint,
  92                                   gp_Pnt& theCenterPoint, double& theAngle) const
  93 {
  94   bool aReadyToDisplay = false;
  95
  96   std::shared_ptr<ModelAPI_Data> aData = myConstraint->data();
  97   std::shared_ptr<GeomAPI_Ax3> aPlane = myPlane;
  98   FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
  99   FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
 100
 101   std::shared_ptr<GeomDataAPI_Point2D> aStartA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 102       aLineA->attribute(SketchPlugin_Line::START_ID()));
 103   std::shared_ptr<GeomDataAPI_Point2D> aEndA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 104       aLineA->attribute(SketchPlugin_Line::END_ID()));
 105   std::shared_ptr<GeomDataAPI_Point2D> aStartB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 106       aLineB->attribute(SketchPlugin_Line::START_ID()));
 107   std::shared_ptr<GeomDataAPI_Point2D> aEndB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 108       aLineB->attribute(SketchPlugin_Line::END_ID()));
 109
 110   std::shared_ptr<GeomAPI_Angle2d> anAng;
 111   if (!aData->attribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_FIRST_LINE_ID())->isInitialized() ||
 112       !aData->attribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_SECOND_LINE_ID())->isInitialized())
 113     anAng = std::shared_ptr<GeomAPI_Angle2d>(new GeomAPI_Angle2d(
 114         aStartA->pnt(), aEndA->pnt(), aStartB->pnt(), aEndB->pnt()));
 115   else {
 116     std::shared_ptr<GeomAPI_Lin2d> aLine1(new GeomAPI_Lin2d(aStartA->pnt(), aEndA->pnt()));
 117     bool isReversed1 = aData->boolean(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_FIRST_LINE_ID())->value();
 118     std::shared_ptr<GeomAPI_Lin2d> aLine2(new GeomAPI_Lin2d(aStartB->pnt(), aEndB->pnt()));
 119     bool isReversed2 = aData->boolean(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_SECOND_LINE_ID())->value();
 120     anAng = std::shared_ptr<GeomAPI_Angle2d>(new GeomAPI_Angle2d(aLine1, isReversed1, aLine2, isReversed2));
 121   }
 122   theAngle = anAng->angleDegree();
 123
 124   gp_Pnt2d aFirstPoint = anAng->firstPoint()->impl<gp_Pnt2d>();
 125   std::shared_ptr<GeomAPI_Pnt> aPoint = myPlane->to3D(aFirstPoint.X(), aFirstPoint.Y());
 126   theFirstPoint = aPoint->impl<gp_Pnt>();
 127
 128   gp_Pnt2d aCenterPoint = anAng->center()->impl<gp_Pnt2d>();
 129   aPoint = myPlane->to3D(aCenterPoint.X(), aCenterPoint.Y());
 130   theCenterPoint = aPoint->impl<gp_Pnt>();
 131
 132   gp_Pnt2d aSecondPoint = anAng->secondPoint()->impl<gp_Pnt2d>();
 133   aPoint = myPlane->to3D(aSecondPoint.X(), aSecondPoint.Y());
 134   theSecondPoint = aPoint->impl<gp_Pnt>();
 135
 136   return aReadyToDisplay;
 137 }
 138
 139 void SketcherPrs_Angle::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 140                                 const Handle(Prs3d_Presentation)& thePresentation,
 141                                 const Standard_Integer theMode)
 142 {
 143   DataPtr aData = myConstraint->data();
 144
 145   if (!IsReadyToDisplay(myConstraint, myPlane)) {
 146     Events_Error::throwException("An empty AIS presentation: SketcherPrs_Angle");
 147     return; // can not create a good presentation
 148   }
 149
 150   std::shared_ptr<ModelAPI_AttributeInteger> aTypeAttr = std::dynamic_pointer_cast<
 151       ModelAPI_AttributeInteger>(aData->attribute(SketchPlugin_ConstraintAngle::TYPE_ID()));
 152   SketcherPrs_Tools::AngleType anAngleType = (SketcherPrs_Tools::AngleType)(aTypeAttr->value());
 153
 154   gp_Pnt aFirstPoint, aSecondPoint, aCenterPoint;
 155   double aValue;
 156   getPoints(aFirstPoint, aSecondPoint, aCenterPoint, aValue);
 157
 158   double aDist = -1;
 159   switch (anAngleType) {
 160     case SketcherPrs_Tools::ANGLE_DIRECT: {
 161       SetArrowVisible(Standard_False/*first*/, Standard_True/*second*/);
 162       SetMeasuredGeometry(aFirstPoint, aCenterPoint, aSecondPoint);
 163       bool isReversedPlanes = isAnglePlaneReversedToSketchPlane();
 164       SetAngleReversed(!isReversedPlanes);
 165     }
 166     break;
 167     case SketcherPrs_Tools::ANGLE_COMPLEMENTARY: {
 168       double anEdge1Length = aCenterPoint.Distance(aFirstPoint);
 169       aFirstPoint = aCenterPoint.Translated (gp_Vec(aCenterPoint, aFirstPoint).Normalized() * (-anEdge1Length));
 170       anEdge1Length = aCenterPoint.Distance(aFirstPoint);
 171       SetMeasuredGeometry(aFirstPoint, aCenterPoint, aSecondPoint);
 172     }
 173     break;
 174     case SketcherPrs_Tools::ANGLE_BACKWARD: {
 175       SetArrowVisible(Standard_False/*first*/, Standard_True/*second*/);
 176       SetMeasuredGeometry(aFirstPoint, aCenterPoint, aSecondPoint);
 177       bool isReversedPlanes = isAnglePlaneReversedToSketchPlane();
 178       SetAngleReversed(isReversedPlanes);
 179     }
 180     break;
 181     default:
 182       break;
 183   }
 184   if (aDist < 0) /// it was not calculated yet
 185     aDist = calculateDistanceToFlyoutPoint();
 186   SetFlyout(aDist);
 187
 188   // Angle value is in degrees
 189   AttributeDoublePtr aVal = aData->real(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID());
 190   SetCustomValue(aValue);
 191
 192   myAspect->SetExtensionSize(myAspect->ArrowAspect()->Length());
 193   myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
 194
 195   SketcherPrs_Tools::setDisplaySpecialSymbol(this, aVal->usedParameters().size() > 0);
 196   myStyleListener->updateDimensions(this, aVal);
 197
 198   AIS_AngleDimension::Compute(thePresentationManager, thePresentation, theMode);
 199 }
 200
 201 void SketcherPrs_Angle::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 202                                                    const Standard_Integer theMode)
 203 {
 204   Standard_Integer aMode;
 205   switch (theMode) {
 206   case 0: // we should use selection of all objects
 207     aMode = 0;
 208     break;
 209   case SketcherPrs_Tools::Sel_Dimension_All:
 210     aMode = 0;
 211     break;
 212   case SketcherPrs_Tools::Sel_Dimension_Line:
 213     aMode = 1;
 214     break;
 215   case SketcherPrs_Tools::Sel_Dimension_Text:
 216     aMode = 2;
 217     break;
 218   default: {
 219     // there are own selection modes, so the others should be ignored
 220     // otherwise, the text selection appears in the viewer
 221     return;
 222   }
 223   }
 224   AIS_AngleDimension::ComputeSelection(aSelection, aMode);
 225 }
 226
 227 bool SketcherPrs_Angle::isAnglePlaneReversedToSketchPlane()
 228 {
 229   bool aReversed = false;
 230   if (!myPlane.get())
 231     return aReversed;
 232
 233   gp_Pln aPlane = GetPlane();
 234   gp_Dir aDir = aPlane.Axis().Direction();
 235   double aDot = myPlane->normal()->dot(
 236                 std::shared_ptr<GeomAPI_Dir>(new GeomAPI_Dir(aDir.X(), aDir.Y(), aDir.Z())));
 237   return aDot < 0;
 238 }
 239
 240 double SketcherPrs_Angle::calculateDistanceToFlyoutPoint()
 241 {
 242   const gp_Pnt& aCenter = CenterPoint();
 243   const gp_Pnt& aFirst = FirstPoint();
 244   const gp_Pnt& aSecond = SecondPoint();
 245
 246   // Flyout point
 247   DataPtr aData = myConstraint->data();
 248   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
 249                               std::dynamic_pointer_cast<GeomDataAPI_Point2D>
 250                               (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
 251   std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyoutAttr->x(), aFlyoutAttr->y());
 252
 253   gp_Dir aBisector((aFirst.XYZ() + aSecond.XYZ()) * 0.5 - aCenter.XYZ());
 254   gp_Pnt aFlyPnt(aFlyoutPnt->x(), aFlyoutPnt->y(), aFlyoutPnt->z());
 255   gp_XYZ aFlyDir = aFlyPnt.XYZ() - aCenter.XYZ();
 256   double aDistance = aFlyDir.Dot(aBisector.XYZ());
 257   // make a positive distance in order to AIS angle presentation is not reversed
 258   aDistance = fabs(aDistance);
 259   return aDistance;
 260 }