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