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Picking point on the shape

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This commit is contained in:
apl 2016-10-12 18:59:41 +03:00
parent ca6fba5742
commit 29139022cc
2 changed files with 131 additions and 8 deletions
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138
src/MeasureGUI/MeasureGUI_AnnotationDlg.cxx
View File

@ -46,6 +46,7 @@
#include <OCCViewer_ViewModel.h>
#include <OCCViewer_ViewManager.h>
#include <OCCViewer_ViewWindow.h>
#include <SVTK_ViewModel.h>
#include <SALOME_Prs.h>
#include <SALOME_ListIO.hxx>
@ -66,12 +67,24 @@
#include <QLabel>
#include <QLineEdit>
#include <QPushButton>
#include <QStack>
#include <QTableWidget>
#include <QVBoxLayout>
#include <AIS_InteractiveContext.hxx>
#include <AIS_ListOfInteractive.hxx>
#include <AIS_ListIteratorOfListOfInteractive.hxx>
#include <Bnd_Box.hxx>
#include <BRepAdaptor_CompCurve.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRepAdaptor_Surface.hxx>
#include <BRepBndLib.hxx>
#include <BRep_Tool.hxx>
#include <SelectMgr_ViewerSelector.hxx>
#include <TopoDS.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
@ -79,6 +92,8 @@
#include <TColStd_MapOfInteger.hxx>
#include <TColStd_DataMapIteratorOfDataMapOfIntegerInteger.hxx>
#include <NCollection_Handle.hxx>
#include <limits>
#include <SALOMEDS_wrap.hxx>
@ -420,9 +435,12 @@ void MeasureGUI_AnnotationDlg::SelectionIntoArgument()
activateSelection();
if ( !myShape->_is_nil() ) {
TopoDS_Shape aShape;
GEOMBase::GetShape( myShape.get(), aShape );
anAttachPoint = getAttachPoint( aShape );
if ( !getPickedPoint( anAttachPoint ) )
{
TopoDS_Shape aShape;
GEOMBase::GetShape( myShape.get(), aShape );
anAttachPoint = getAttachPoint( aShape );
}
}
} else if ( myEditCurrentArgument == mySubShapeName ) {
if ( !myShape->_is_nil() ) {
@ -446,7 +464,12 @@ void MeasureGUI_AnnotationDlg::SelectionIntoArgument()
aSubShape = aCurrentSubShape;
}
}
anAttachPoint = getAttachPoint( aSubShape );
if ( !getPickedPoint( anAttachPoint ) )
{
anAttachPoint = getAttachPoint( aSubShape );
}
myAnnotationProperties.ShapeIndex = aSubShapeIndex;
}
}
@ -671,14 +694,113 @@ void MeasureGUI_AnnotationDlg::redisplayPreview()
}
}
//=================================================================================
// function : getPickedPoint
// purpose : finds picked point in active viewer on the selected shape
//=================================================================================
bool MeasureGUI_AnnotationDlg::getPickedPoint( gp_Pnt& thePnt )
{
const SUIT_ViewWindow* anActiveView = GEOMBase_Helper::getActiveView();
if ( !anActiveView )
return false;
const OCCViewer_ViewWindow* anOccView = qobject_cast<const OCCViewer_ViewWindow*>( anActiveView );
if ( !anOccView )
return false;
OCCViewer_ViewManager* aVM = ( OCCViewer_ViewManager* )anOccView->getViewManager();
OCCViewer_Viewer* aViewer = aVM->getOCCViewer();
Handle(AIS_InteractiveContext) anAISContext = aViewer->getAISContext();
Handle(SelectMgr_ViewerSelector) aSelector;
if ( anAISContext->HasOpenedContext() )
aSelector = anAISContext->LocalSelector();
else
aSelector = anAISContext->MainSelector();
if ( aSelector->NbPicked() < 1 )
return false;
thePnt = aSelector->PickedPoint( 1 );
return true;
}
//=================================================================================
// function : getAttachPoint
// purpose : finds a point on shape to attach annotation object
// purpose : computes default attachment point on the shape
//=================================================================================
gp_Pnt MeasureGUI_AnnotationDlg::getAttachPoint( const TopoDS_Shape& theShape )
{
gp_Pnt aPoint = gp_Pnt( 0, 0, 0 );
TopoDS_Shape aAttachShape;
if ( theShape.ShapeType() == TopAbs_COMPOUND )
{
QStack< NCollection_Handle<TopoDS_Iterator> > aItStack;
aItStack.push( NCollection_Handle<TopoDS_Iterator>( new TopoDS_Iterator( theShape ) ) );
while ( aAttachShape.IsNull() && !aItStack.empty() )
{
NCollection_Handle<TopoDS_Iterator> anIt = aItStack.top();
if ( !anIt->More() )
{
aItStack.pop();
}
else
{
const TopoDS_Shape& aShape = anIt->Value();
if ( aShape.ShapeType() != TopAbs_COMPSOLID )
{
aAttachShape = aShape;
}
else
{
aItStack.push( NCollection_Handle<TopoDS_Iterator>( new TopoDS_Iterator( aShape ) ) );
}
}
}
}
else
{
aAttachShape = theShape;
}
return aPoint;
if ( aAttachShape.ShapeType() == TopAbs_COMPSOLID
|| aAttachShape.ShapeType() == TopAbs_SOLID
|| aAttachShape.ShapeType() == TopAbs_SHELL )
{
Bnd_Box aBox;
BRepBndLib::Add( aAttachShape, aBox );
const gp_Pnt aMin = aBox.CornerMin();
const gp_Pnt aMax = aBox.CornerMax();
return gp_Pnt( aMin.X() + aMax.X() / 2.0,
aMin.Y() + aMax.Y() / 2.0,
aMin.Z() + aMax.Z() / 2.0 );
}
else if ( aAttachShape.ShapeType() == TopAbs_FACE )
{
BRepAdaptor_Surface aFace( TopoDS::Face( aAttachShape ) );
const Standard_Real aU1 = aFace.FirstUParameter();
const Standard_Real aU2 = aFace.LastUParameter();
const Standard_Real aV1 = aFace.FirstVParameter();
const Standard_Real aV2 = aFace.LastVParameter();
return aFace.Value( ( aU1 + aU2 ) / 2.0, ( aV1 + aV2 ) / 2.0 );
}
else if ( aAttachShape.ShapeType() == TopAbs_WIRE )
{
BRepAdaptor_CompCurve aWire( TopoDS::Wire( aAttachShape ) );
const Standard_Real aP1 = aWire.FirstParameter();
const Standard_Real aP2 = aWire.LastParameter();
return aWire.Value( ( aP1 + aP2 ) / 2.0 );
}
else if ( aAttachShape.ShapeType() == TopAbs_EDGE )
{
BRepAdaptor_Curve aEdge( TopoDS::Edge( aAttachShape ) );
const Standard_Real aP1 = aEdge.FirstParameter();
const Standard_Real aP2 = aEdge.LastParameter();
return aEdge.Value( ( aP1 + aP2 ) / 2.0 );
}
else if ( aAttachShape.ShapeType() == TopAbs_VERTEX )
{
return BRep_Tool::Pnt( TopoDS::Vertex( aAttachShape ) );
}
return gp_Pnt( 0.0, 0.0, 0.0 );
}

1
src/MeasureGUI/MeasureGUI_AnnotationDlg.h Executable file → Normal file
View File

@ -89,6 +89,7 @@ private:
void activateSelectionArgument( QPushButton* theSelectionButton );
void activateSelection();
TopAbs_ShapeEnum getShapeType() const;
bool getPickedPoint(gp_Pnt& thePnt);
gp_Pnt getAttachPoint( const TopoDS_Shape& theShape );
private: