#include <SketchPlugin_Circle.h>
#include <SketchPlugin_Arc.h>
+#include <Events_Error.h>
+
#include <GeomDataAPI_Point2D.h>
#include <GeomAPI_Pnt2d.h>
#include <GeomAPI_Circ.h>
#include <GeomAPI_XYZ.h>
#include <ModelAPI_AttributeDouble.h>
+#include <gp_Circ.hxx>
+
static const gp_Circ MyDefCirc(gp_Ax2(gp_Pnt(0,0,0), gp_Dir(0,0,1)), 1);
IMPLEMENT_STANDARD_HANDLE(SketcherPrs_Radius, AIS_RadiusDimension);
const std::shared_ptr<GeomAPI_Ax3>& thePlane)
: AIS_RadiusDimension(MyDefCirc), myConstraint(theConstraint), myPlane(thePlane)
{
+ // Set default values of the presentation
myAspect = new Prs3d_DimensionAspect();
myAspect->MakeArrows3d(false);
myAspect->MakeText3d(false);
myAspect->MakeTextShaded(false);
myAspect->MakeUnitsDisplayed(false);
- myAspect->TextAspect()->SetHeight(MyTextHeight);
+ myAspect->TextAspect()->SetHeight(SketcherPrs_Tools::getDefaultTextHeight());
myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
SetDimensionAspect(myAspect);
- SetSelToleranceForText2d(MyTextHeight);
+ SetSelToleranceForText2d(SketcherPrs_Tools::getDefaultTextHeight());
}
+bool SketcherPrs_Radius::IsReadyToDisplay(ModelAPI_Feature* theConstraint,
+ const std::shared_ptr<GeomAPI_Ax3>& thePlane)
+{
+ bool aReadyToDisplay = false;
+
+ DataPtr aData = theConstraint->data();
+
+ // Flyout point
+ std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>
+ (aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+ if (!aFlyoutAttr->isInitialized()) {
+ return aReadyToDisplay; // can not create a good presentation
+ }
+
+ // Get circle
+ std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
+ std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
+ (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
+ if (!anAttr)
+ return aReadyToDisplay;
+
+ std::shared_ptr<ModelAPI_Feature> aCyrcFeature = ModelAPI_Feature::feature(anAttr->object());
+ double aRadius = 1;
+ std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr;
+ // it is possible that circle result becomes zero, in this case the presentation should disappear
+ // for example, it happens when circle radius is set to zero
+ if (!aCyrcFeature)
+ return aReadyToDisplay;
+ if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
+ aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
+ AttributeDoublePtr aCircRadius =
+ std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ aCyrcFeature->data()->attribute(SketchPlugin_Circle::RADIUS_ID()));
+ aRadius = aCircRadius->value();
+ } else { // arc
+ aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aCyrcFeature->data()->attribute(SketchPlugin_Arc::CENTER_ID()));
+ std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>
+ (aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
+ aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
+ }
+ std::shared_ptr<GeomAPI_Pnt> aCenter = thePlane->to3D(aCenterAttr->x(), aCenterAttr->y());
+ std::shared_ptr<GeomAPI_Dir> aNormal = thePlane->normal();
+
+ GeomAPI_Circ aCircle(aCenter, aNormal, aRadius);
+
+ std::shared_ptr<GeomAPI_Pnt> anAnchor = SketcherPrs_Tools::getAnchorPoint(theConstraint, thePlane);
+
+ gp_Circ aCirc = aCircle.impl<gp_Circ>();
+ gp_Pnt anAncorPnt = anAnchor->impl<gp_Pnt>();
+ // anchor point should not coincide to the location point of the circle
+ // OCCT does not process this case.
+
+ aReadyToDisplay = anAncorPnt.Distance(aCirc.Location()) > 1e-7;
+ return aReadyToDisplay;
+}
void SketcherPrs_Radius::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
const Handle(Prs3d_Presentation)& thePresentation,
const Standard_Integer theMode)
{
+ if (!IsReadyToDisplay(myConstraint, myPlane)) {
+ Events_Error::throwException("An empty AIS presentation: SketcherPrs_Radius");
+ return;
+ }
+
DataPtr aData = myConstraint->data();
// Flyout point
std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
std::dynamic_pointer_cast<GeomDataAPI_Point2D>
(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
- if (!aFlyoutAttr->isInitialized())
- return; // can not create a good presentation
-
- std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyoutAttr->x(), aFlyoutAttr->y());
// Get circle
std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
- if (!anAttr) return;
std::shared_ptr<ModelAPI_Feature> aCyrcFeature = ModelAPI_Feature::feature(anAttr->object());
double aRadius = 1;
aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
}
std::shared_ptr<GeomAPI_Pnt> aCenter = myPlane->to3D(aCenterAttr->x(), aCenterAttr->y());
- std::shared_ptr<GeomAPI_Dir> aNormal = myPlane->norm();
+ std::shared_ptr<GeomAPI_Dir> aNormal = myPlane->normal();
GeomAPI_Circ aCircle(aCenter, aNormal, aRadius);
- //gp_Circ aCircle(gp_Ax2(aCenter->impl<gp_Pnt>(), aNormal->impl<gp_Dir>()), aRadius);
- std::shared_ptr<GeomAPI_Pnt> anAnchor = aCircle.project(aFlyoutPnt);
- std::shared_ptr<GeomAPI_XYZ> anAnchorXYZ = anAnchor->xyz();
- anAnchorXYZ = anAnchorXYZ->decreased(aCenter->xyz());
- std::shared_ptr<GeomAPI_Dir> aDeltaDir(new GeomAPI_Dir(anAnchorXYZ));
- const double aDelta = 1e-3;
- anAnchor->setX(anAnchor->x() + aDelta * aDeltaDir->x());
- anAnchor->setY(anAnchor->y() + aDelta * aDeltaDir->y());
- anAnchor->setZ(anAnchor->z() + aDelta * aDeltaDir->z());
-
- SetMeasuredGeometry(aCircle.impl<gp_Circ>(), anAnchor->impl<gp_Pnt>());
+ std::shared_ptr<GeomAPI_Pnt> anAnchor = SketcherPrs_Tools::getAnchorPoint(myConstraint, myPlane);
+
+ gp_Circ aCirc = aCircle.impl<gp_Circ>();
+ gp_Pnt anAncorPnt = anAnchor->impl<gp_Pnt>();
+
+ SetMeasuredGeometry(aCirc, anAncorPnt);
SetCustomValue(aRadius);
+ // Update variable aspect parameters (depending on viewer scale)
+ double anArrowLength = myAspect->ArrowAspect()->Length();
+ // This is not realy correct way to get viewer scale.
+ double aViewerScale = (double) SketcherPrs_Tools::getDefaultArrowSize() / anArrowLength;
+ double aDimensionValue = GetValue();
+ double aTextSize = 0.0;
+ GetValueString(aTextSize);
+
+ if(aTextSize > ((aDimensionValue - 2 * SketcherPrs_Tools::getArrowSize()) * aViewerScale)) {
+ myAspect->SetTextHorizontalPosition(Prs3d_DTHP_Left);
+ myAspect->SetArrowOrientation(Prs3d_DAO_External);
+ myAspect->SetExtensionSize(aTextSize / aViewerScale - SketcherPrs_Tools::getArrowSize() / 2.0);
+ } else {
+ myAspect->SetTextHorizontalPosition(Prs3d_DTHP_Center);
+ myAspect->SetArrowOrientation(Prs3d_DAO_Internal);
+ }
+ myAspect->SetArrowTailSize(myAspect->ArrowAspect()->Length());
+
+ // The value of vertical aligment is sometimes changed
+ myAspect->TextAspect()->SetVerticalJustification(Graphic3d_VTA_CENTER);
+
+ AttributeDoublePtr aValue = myConstraint->data()->real(SketchPlugin_Constraint::VALUE());
+ SketcherPrs_Tools::setDisplaySpecialSymbol(this, aValue->usedParameters().size() > 0);
+
AIS_RadiusDimension::Compute(thePresentationManager, thePresentation, theMode);
}
void SketcherPrs_Radius::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
const Standard_Integer theMode)
{
+ // Map the application selection modes to standard ones
Standard_Integer aMode;
switch (theMode) {
+ case 0: // we should use selection of all objects
+ aMode = 0;
+ break;
case SketcherPrs_Tools::Sel_Dimension_All:
aMode = 0;
break;
case SketcherPrs_Tools::Sel_Dimension_Text:
aMode = 2;
break;
- default:
- aMode = theMode;
+ default: {
+ // there are own selection modes, so the others should be ignored
+ // otherwise, the text selection appears in the viewer
+ return;
+ }
}
AIS_RadiusDimension::ComputeSelection(aSelection, aMode);
}