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