src/GeomAPI/GeomAPI_AISObject.cpp

   1 // File:        GeomAPI_AISObject.cpp
   2 // Created:     25 Jun 2014
   3 // Author:      Artem ZHIDKOV
   4
   5 #include <GeomAPI_AISObject.h>
   6
   7 #include <GeomAPI_Circ.h>
   8 #include <GeomAPI_Dir.h>
   9 #include <GeomAPI_Lin.h>
  10 #include <GeomAPI_Pln.h>
  11 #include <GeomAPI_Pnt.h>
  12 #include <GeomAPI_Shape.h>
  13 #include <GeomAPI_XYZ.h>
  14
  15 #include <Geom_Plane.hxx>
  16 #include <TopoDS_Shape.hxx>
  17 #include <Quantity_NameOfColor.hxx>
  18 #include <BRepBndLib.hxx>
  19
  20 #include <AIS_InteractiveObject.hxx>
  21 #include <AIS_LengthDimension.hxx>
  22 #include <AIS_ParallelRelation.hxx>
  23 #include <AIS_PerpendicularRelation.hxx>
  24 #include <AIS_RadiusDimension.hxx>
  25 #include <AIS_Shape.hxx>
  26 #include <AIS_FixRelation.hxx>
  27
  28 const double tolerance = 1e-7;
  29
  30 const int CONSTRAINT_TEXT_HEIGHT = 28;  /// the text height of the constraint
  31 const int CONSTRAINT_TEXT_SELECTION_TOLERANCE = 20;  /// the text selection tolerance
  32
  33 // Initialization of color constants
  34 int Colors::COLOR_BROWN = Quantity_NOC_BROWN;
  35 int Colors::COLOR_RED = Quantity_NOC_RED;
  36 int Colors::COLOR_GREEN = Quantity_NOC_GREEN;
  37 int Colors::COLOR_BLUE = Quantity_NOC_BLUE1;
  38
  39 GeomAPI_AISObject::GeomAPI_AISObject()
  40     : GeomAPI_Interface(new Handle(AIS_InteractiveObject)())
  41 {
  42 }
  43
  44 void GeomAPI_AISObject::createShape(boost::shared_ptr<GeomAPI_Shape> theShape)
  45 {
  46   const TopoDS_Shape& aTDS =
  47       (theShape && theShape->implPtr<TopoDS_Shape>()) ?
  48           theShape->impl<TopoDS_Shape>() : TopoDS_Shape();
  49
  50   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  51   if (!anAIS.IsNull()) {
  52     Handle(AIS_Shape) aShapeAIS = Handle(AIS_Shape)::DownCast(anAIS);
  53     if (aShapeAIS) {
  54       // if the AIS object is displayed in the opened local context in some mode, additional
  55       // AIS sub objects are created there. They should be rebuild for correct selecting.
  56       // It is possible to correct it by closing local context before the shape set and opening
  57       // after. Another workaround to thrown down the selection and reselecting the AIS.
  58       // If there was a problem here, try the first solution with close/open local context.
  59
  60       aShapeAIS->Set(aTDS);
  61       aShapeAIS->Redisplay(Standard_True);
  62     }
  63   } else
  64     setImpl(new Handle(AIS_InteractiveObject)(new AIS_Shape(aTDS)));
  65 }
  66
  67 void GeomAPI_AISObject::createDistance(boost::shared_ptr<GeomAPI_Pnt> theStartPoint,
  68                                        boost::shared_ptr<GeomAPI_Pnt> theEndPoint,
  69                                        boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
  70                                        boost::shared_ptr<GeomAPI_Pln> thePlane, double theDistance)
  71 {
  72   double aFlyout = 0;
  73   if (theFlyoutPoint) {
  74     double aDist = 0.0;
  75     if (theStartPoint->distance(theEndPoint) < tolerance)
  76       aDist = theStartPoint->distance(theFlyoutPoint);
  77     else {
  78       boost::shared_ptr<GeomAPI_Lin> aLine = boost::shared_ptr<GeomAPI_Lin>(
  79           new GeomAPI_Lin(theStartPoint, theEndPoint));
  80       aDist = aLine->distance(theFlyoutPoint);
  81     }
  82
  83     boost::shared_ptr<GeomAPI_XYZ> aLineDir = theEndPoint->xyz()->decreased(theStartPoint->xyz());
  84     boost::shared_ptr<GeomAPI_XYZ> aFOutDir = theFlyoutPoint->xyz()->decreased(
  85         theStartPoint->xyz());
  86     boost::shared_ptr<GeomAPI_XYZ> aNorm = thePlane->direction()->xyz();
  87     if (aLineDir->cross(aFOutDir)->dot(aNorm) < 0)
  88       aDist = -aDist;
  89     aFlyout = aDist;
  90   }
  91
  92   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
  93   if (anAIS.IsNull()) {
  94     Handle(AIS_LengthDimension) aDimAIS = new AIS_LengthDimension(theStartPoint->impl<gp_Pnt>(),
  95                                                                   theEndPoint->impl<gp_Pnt>(),
  96                                                                   thePlane->impl<gp_Pln>());
  97     aDimAIS->SetCustomValue(theDistance);
  98
  99     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
 100     anAspect->MakeArrows3d(Standard_False);
 101     anAspect->MakeText3d(false);
 102     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
 103     anAspect->MakeTextShaded(false);
 104     anAspect->ArrowAspect()->SetLength(theDistance / 10.);
 105     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
 106     aDimAIS->SetDimensionAspect(anAspect);
 107     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
 108     aDimAIS->SetFlyout(aFlyout);
 109
 110     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 111   } else {
 112     // update presentation
 113     Handle(AIS_LengthDimension) aDimAIS = Handle(AIS_LengthDimension)::DownCast(anAIS);
 114     if (!aDimAIS.IsNull()) {
 115       aDimAIS->SetMeasuredGeometry(theStartPoint->impl<gp_Pnt>(), theEndPoint->impl<gp_Pnt>(),
 116                                    thePlane->impl<gp_Pln>());
 117       aDimAIS->SetCustomValue(theDistance);
 118       aDimAIS->SetFlyout(aFlyout);
 119
 120       aDimAIS->Redisplay(Standard_True);
 121     }
 122   }
 123 }
 124
 125 void GeomAPI_AISObject::createRadius(boost::shared_ptr<GeomAPI_Circ> theCircle,
 126                                      boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
 127                                      double theRadius)
 128 {
 129   boost::shared_ptr<GeomAPI_Pnt> aCenter = theCircle->center();
 130
 131   // TODO: a bug in AIS_RadiusDimension:
 132   // The anchor point can't be myCirc.Location() - an exception is raised.
 133   // But we need exactly this case...
 134   // We want to show a radius dimension starting from the circle centre and
 135   // ending at the user-defined point.
 136   // Also, if anchor point coincides with myP2, the radius dimension is not displayed at all.
 137   boost::shared_ptr<GeomAPI_Pnt> anAnchor = theCircle->project(theFlyoutPoint);
 138   boost::shared_ptr<GeomAPI_XYZ> anAnchorXYZ = anAnchor->xyz();
 139   anAnchorXYZ = anAnchorXYZ->decreased(aCenter->xyz());
 140   boost::shared_ptr<GeomAPI_Dir> aDeltaDir(new GeomAPI_Dir(anAnchorXYZ));
 141   const double aDelta = 1e-3;
 142   anAnchor->setX(anAnchor->x() + aDelta * aDeltaDir->x());
 143   anAnchor->setY(anAnchor->y() + aDelta * aDeltaDir->y());
 144   anAnchor->setZ(anAnchor->z() + aDelta * aDeltaDir->z());
 145
 146   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 147   if (anAIS.IsNull()) {
 148     Handle(AIS_RadiusDimension) aDimAIS = new AIS_RadiusDimension(theCircle->impl<gp_Circ>(),
 149                                                                   anAnchor->impl<gp_Pnt>());
 150     aDimAIS->SetCustomValue(theRadius);
 151
 152     Handle(Prs3d_DimensionAspect) anAspect = new Prs3d_DimensionAspect();
 153     anAspect->MakeArrows3d(Standard_False);
 154     anAspect->MakeText3d(false);
 155     anAspect->TextAspect()->SetHeight(CONSTRAINT_TEXT_HEIGHT);
 156     anAspect->ArrowAspect()->SetLength(theRadius / 5.);
 157     anAspect->MakeTextShaded(false);
 158     aDimAIS->DimensionAspect()->MakeUnitsDisplayed(false);
 159     aDimAIS->SetDimensionAspect(anAspect);
 160     aDimAIS->SetSelToleranceForText2d(CONSTRAINT_TEXT_SELECTION_TOLERANCE);
 161
 162     setImpl(new Handle(AIS_InteractiveObject)(aDimAIS));
 163   } else {
 164     // update presentation
 165     Handle(AIS_RadiusDimension) aDimAIS = Handle(AIS_RadiusDimension)::DownCast(anAIS);
 166     if (!aDimAIS.IsNull()) {
 167       aDimAIS->SetMeasuredGeometry(theCircle->impl<gp_Circ>(), anAnchor->impl<gp_Pnt>());
 168       aDimAIS->SetCustomValue(theRadius);
 169       aDimAIS->Redisplay(Standard_True);
 170     }
 171   }
 172 }
 173
 174 void GeomAPI_AISObject::createParallel(boost::shared_ptr<GeomAPI_Shape> theLine1,
 175                                        boost::shared_ptr<GeomAPI_Shape> theLine2,
 176                                        boost::shared_ptr<GeomAPI_Pnt> theFlyoutPoint,
 177                                        boost::shared_ptr<GeomAPI_Pln> thePlane)
 178 {
 179   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 180   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 181   if (anAIS.IsNull()) {
 182     Handle(AIS_ParallelRelation) aParallel = new AIS_ParallelRelation(
 183         theLine1->impl<TopoDS_Shape>(), theLine2->impl<TopoDS_Shape>(), aPlane);
 184     if (theFlyoutPoint)
 185       aParallel->SetPosition(theFlyoutPoint->impl<gp_Pnt>());
 186
 187     setImpl(new Handle(AIS_InteractiveObject)(aParallel));
 188   } else {
 189     Handle(AIS_ParallelRelation) aParallel = Handle(AIS_ParallelRelation)::DownCast(anAIS);
 190     if (!aParallel.IsNull()) {
 191       aParallel->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 192       aParallel->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 193       aParallel->SetPlane(aPlane);
 194       if (theFlyoutPoint)
 195         aParallel->SetPosition(theFlyoutPoint->impl<gp_Pnt>());
 196       aParallel->Redisplay(Standard_True);
 197     }
 198   }
 199 }
 200
 201 void GeomAPI_AISObject::createPerpendicular(boost::shared_ptr<GeomAPI_Shape> theLine1,
 202                                             boost::shared_ptr<GeomAPI_Shape> theLine2,
 203                                             boost::shared_ptr<GeomAPI_Pln> thePlane)
 204 {
 205   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 206   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 207   if (anAIS.IsNull()) {
 208     Handle(AIS_PerpendicularRelation) aPerpendicular = new AIS_PerpendicularRelation(
 209         theLine1->impl<TopoDS_Shape>(), theLine2->impl<TopoDS_Shape>(), aPlane);
 210
 211     setImpl(new Handle(AIS_InteractiveObject)(aPerpendicular));
 212   } else {
 213     Handle(AIS_PerpendicularRelation) aPerpendicular = Handle(AIS_PerpendicularRelation)::DownCast(
 214         anAIS);
 215     if (!aPerpendicular.IsNull()) {
 216       aPerpendicular->SetFirstShape(theLine1->impl<TopoDS_Shape>());
 217       aPerpendicular->SetSecondShape(theLine2->impl<TopoDS_Shape>());
 218       aPerpendicular->SetPlane(aPlane);
 219       aPerpendicular->Redisplay(Standard_True);
 220     }
 221   }
 222 }
 223
 224
 225 void GeomAPI_AISObject::createFixed(boost::shared_ptr<GeomAPI_Shape> theShape,
 226                                     boost::shared_ptr<GeomAPI_Pln> thePlane)
 227 {
 228   Handle(Geom_Plane) aPlane = new Geom_Plane(thePlane->impl<gp_Pln>());
 229   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 230   TopoDS_Shape aShape = theShape->impl<TopoDS_Shape>();
 231   Handle(AIS_FixRelation) aFixPrs;
 232   if (anAIS.IsNull()) {
 233     aFixPrs = new AIS_FixRelation(aShape, aPlane);
 234
 235     setImpl(new Handle(AIS_InteractiveObject)(aFixPrs));
 236   } else {
 237     aFixPrs = Handle(AIS_FixRelation)::DownCast(anAIS);
 238     if (!aFixPrs.IsNull()) {
 239       aFixPrs->SetFirstShape(aShape);
 240       aFixPrs->SetPlane(aPlane);
 241       aFixPrs->Redisplay(Standard_True);
 242     }
 243   }
 244   if (!aFixPrs.IsNull()) {
 245     Bnd_Box aBox;
 246     BRepBndLib::Add(aShape, aBox);
 247     double aXmin, aXmax, aYmin, aYmax, aZmin, aZmax;
 248     aBox.Get(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
 249     gp_Pnt aXYZ1(aXmin, aXmax, aYmin);
 250     gp_Pnt aXYZ2(aXmax, aYmax, aZmax);
 251     double aDist = aXYZ1.Distance(aXYZ2);
 252     if (aDist > Precision::Confusion()) {
 253       aFixPrs->SetArrowSize(aDist/8.);
 254     }
 255   }
 256 }
 257
 258
 259
 260 void GeomAPI_AISObject::setColor(const int& theColor)
 261 {
 262   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 263   if (anAIS.IsNull())
 264     return;
 265   Quantity_Color aColor((Quantity_NameOfColor) theColor);
 266   anAIS->SetColor(aColor);
 267   Handle(AIS_Dimension) aDimAIS = Handle(AIS_Dimension)::DownCast(anAIS);
 268   if (!aDimAIS.IsNull()) {
 269     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
 270   }
 271 }
 272
 273 void GeomAPI_AISObject::setWidth(const double& theWidth)
 274 {
 275   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 276   if (anAIS.IsNull())
 277     return;
 278   anAIS->SetWidth(theWidth);
 279 }
 280
 281 void GeomAPI_AISObject::setColor(int theR, int theG, int theB)
 282 {
 283   Handle(AIS_InteractiveObject) anAIS = impl<Handle(AIS_InteractiveObject)>();
 284   if (anAIS.IsNull())
 285     return;
 286   Quantity_Color aColor(theR / 255., theG / 255., theB / 255., Quantity_TOC_RGB);
 287   anAIS->SetColor(aColor);
 288   Handle(AIS_Dimension) aDimAIS = Handle(AIS_Dimension)::DownCast(anAIS);
 289   if (!aDimAIS.IsNull()) {
 290     aDimAIS->DimensionAspect()->SetCommonColor(aColor);
 291   }
 292 }
 293
 294 bool GeomAPI_AISObject::empty() const
 295 {
 296   Handle(AIS_InteractiveObject) anAIS = const_cast<GeomAPI_AISObject*>(this)
 297       ->impl<Handle(AIS_InteractiveObject)>();
 298   if (anAIS.IsNull())
 299     return true;
 300   return false;
 301 }
 302