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https://git.dev.opencascade.org/repos/occt.git
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91b16a64ca
Corrected checks of working plane and dimension geometry. Corrected remarks: IsComputed flag was added to the SelectionGeometry to check if it is filled; AdjustParameters() methods became const ones. minor remark
291 lines
9.4 KiB
C++
291 lines
9.4 KiB
C++
// Created on: 1996-12-05
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// Created by: Jean-Pierre COMBE/Odile Olivier/Serguei Zaritchny
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// Copyright (c) 1996-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <AIS_RadiusDimension.hxx>
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#include <AIS.hxx>
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#include <BRepLib_MakeEdge.hxx>
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#include <ElCLib.hxx>
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#include <gce_MakeDir.hxx>
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IMPLEMENT_STANDARD_HANDLE (AIS_RadiusDimension, AIS_Dimension)
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IMPLEMENT_STANDARD_RTTIEXT (AIS_RadiusDimension, AIS_Dimension)
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namespace
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{
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static const Standard_ExtCharacter THE_RADIUS_SYMBOL ('R');
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};
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle)
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: AIS_Dimension (AIS_KOD_RADIUS)
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{
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SetMeasuredGeometry (theCircle);
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SetSpecialSymbol (THE_RADIUS_SYMBOL);
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SetDisplaySpecialSymbol (AIS_DSS_Before);
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SetFlyout (0.0);
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}
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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AIS_RadiusDimension::AIS_RadiusDimension (const gp_Circ& theCircle,
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const gp_Pnt& theAttachPoint)
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: AIS_Dimension (AIS_KOD_RADIUS)
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{
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SetMeasuredGeometry (theCircle, theAttachPoint);
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SetSpecialSymbol (THE_RADIUS_SYMBOL);
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SetDisplaySpecialSymbol (AIS_DSS_Before);
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SetFlyout (0.0);
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}
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//=======================================================================
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//function : Constructor
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//purpose :
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//=======================================================================
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AIS_RadiusDimension::AIS_RadiusDimension (const TopoDS_Shape& theShape)
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: AIS_Dimension (AIS_KOD_RADIUS)
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{
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SetMeasuredGeometry (theShape);
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SetSpecialSymbol (THE_RADIUS_SYMBOL);
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SetDisplaySpecialSymbol (AIS_DSS_Before);
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SetFlyout (0.0);
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}
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//=======================================================================
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//function : SetMeasuredGeometry
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle)
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{
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myCircle = theCircle;
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myGeometryType = GeometryType_Edge;
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myShape = BRepLib_MakeEdge (theCircle);
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myAnchorPoint = ElCLib::Value (0, myCircle);
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myIsGeometryValid = IsValidCircle (myCircle);
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if (myIsGeometryValid)
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{
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ComputePlane();
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}
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SetToUpdate();
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}
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//=======================================================================
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//function : SetMeasuredGeometry
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::SetMeasuredGeometry (const gp_Circ& theCircle,
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const gp_Pnt& theAnchorPoint)
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{
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myCircle = theCircle;
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myGeometryType = GeometryType_Edge;
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myShape = BRepLib_MakeEdge (theCircle);
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myAnchorPoint = theAnchorPoint;
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myIsGeometryValid = IsValidCircle (myCircle) && IsValidAnchor (myCircle, theAnchorPoint);
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if (myIsGeometryValid)
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{
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ComputePlane();
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}
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SetToUpdate();
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}
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//=======================================================================
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//function : SetMeasuredGeometry
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::SetMeasuredGeometry (const TopoDS_Shape& theShape)
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{
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Standard_Boolean isClosed = Standard_False;
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myShape = theShape;
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myGeometryType = GeometryType_UndefShapes;
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myIsGeometryValid = InitCircularDimension (theShape, myCircle, myAnchorPoint, isClosed)
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&& IsValidCircle (myCircle);
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if (myIsGeometryValid)
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{
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ComputePlane();
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}
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SetToUpdate();
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}
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//=======================================================================
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//function : CheckPlane
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//purpose :
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//=======================================================================
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Standard_Boolean AIS_RadiusDimension::CheckPlane (const gp_Pln& thePlane) const
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{
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// Check if anchor point and circle center point belong to plane.
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if (!thePlane.Contains (myAnchorPoint, Precision::Confusion()) &&
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!thePlane.Contains (myCircle.Location(), Precision::Confusion()))
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{
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return Standard_False;
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}
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return Standard_True;
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}
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//=======================================================================
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//function : ComputePlane
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::ComputePlane()
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{
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if (!myIsGeometryValid)
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{
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return;
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}
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gp_Dir aDimensionX = gce_MakeDir (myAnchorPoint, myCircle.Location());
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myPlane = gp_Pln (gp_Ax3 (myCircle.Location(),
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myCircle.Axis().Direction(),
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aDimensionX));
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}
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//=======================================================================
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//function : GetModelUnits
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//purpose :
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//=======================================================================
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const TCollection_AsciiString& AIS_RadiusDimension::GetModelUnits() const
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{
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return myDrawer->DimLengthModelUnits();
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}
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//=======================================================================
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//function : GetDisplayUnits
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//purpose :
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//=======================================================================
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const TCollection_AsciiString& AIS_RadiusDimension::GetDisplayUnits() const
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{
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return myDrawer->DimLengthDisplayUnits();
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}
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//=======================================================================
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//function : SetModelUnits
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::SetModelUnits (const TCollection_AsciiString& theUnits)
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{
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myDrawer->SetDimLengthModelUnits (theUnits);
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}
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//=======================================================================
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//function : SetDisplayUnits
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::SetDisplayUnits (const TCollection_AsciiString& theUnits)
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{
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myDrawer->SetDimLengthDisplayUnits(theUnits);
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}
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//=======================================================================
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//function : ComputeValue
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//purpose :
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//=======================================================================
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Standard_Real AIS_RadiusDimension::ComputeValue() const
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{
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if (!IsValid())
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{
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return 0.0;
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}
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return myCircle.Radius();
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}
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//=======================================================================
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//function : Compute
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePM*/,
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const Handle(Prs3d_Presentation)& thePresentation,
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const Standard_Integer theMode)
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{
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thePresentation->Clear();
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mySelectionGeom.Clear (theMode);
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if (!IsValid())
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{
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return;
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}
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DrawLinearDimension (thePresentation, theMode, myAnchorPoint, myCircle.Location(), Standard_True);
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}
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//=======================================================================
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//function : IsValidCircle
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//purpose :
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//=======================================================================
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Standard_Boolean AIS_RadiusDimension::IsValidCircle (const gp_Circ& theCircle) const
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{
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return theCircle.Radius() > Precision::Confusion();
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}
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//=======================================================================
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//function : IsValidAnchor
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//purpose :
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//=======================================================================
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Standard_Boolean AIS_RadiusDimension::IsValidAnchor (const gp_Circ& theCircle,
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const gp_Pnt& theAnchor) const
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{
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gp_Pln aCirclePlane (theCircle.Location(), theCircle.Axis().Direction());
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Standard_Real anAnchorDist = theAnchor.Distance (theCircle.Location());
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Standard_Real aRadius = myCircle.Radius();
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return Abs (anAnchorDist - aRadius) > Precision::Confusion()
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&& aCirclePlane.Contains (theAnchor, Precision::Confusion());
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}
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//=======================================================================
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//function : GetTextPosition
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//purpose :
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//=======================================================================
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const gp_Pnt AIS_RadiusDimension::GetTextPosition() const
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{
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if (IsTextPositionCustom())
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{
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return myFixedTextPosition;
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}
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// Counts text position according to the dimension parameters
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return GetTextPositionForLinear (myAnchorPoint, myCircle.Location(), Standard_True);
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}
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//=======================================================================
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//function : GetTextPosition
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//purpose :
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//=======================================================================
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void AIS_RadiusDimension::SetTextPosition (const gp_Pnt& theTextPos)
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{
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if (!myIsGeometryValid)
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{
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return;
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}
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myIsTextPositionFixed = Standard_True;
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myFixedTextPosition = theTextPos;
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SetToUpdate();
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}
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