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https://git.dev.opencascade.org/repos/occt.git
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bc73b00672
- Provide DumpJson for geometrical, ocaf and visualization classes; - Change depth parameter of DumpJson (constant is not obligate here) - Introduce a new macro for transient objects to be called as the first row in DumpJson: OCCT_DUMP_TRANSIENT_CLASS_BEGIN. We need not put the class name in the macro, using get_type_name of Standard_Transient for it. - change implementation of OCCT_DUMP_CLASS_BEGIN and OCCT_DUMP_TRANSIENT_CLASS_BEGIN. It is not an sentry more and it does not create a new hierarchy level. It appends a new row into the output stream: "className": <className> - OCCT_DUMP_* does not require semicolon - class header is included first in source files of TDataStd, TDocStd, TCAFDoc
121 lines
4.0 KiB
C++
121 lines
4.0 KiB
C++
// Copyright (c) 2019 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 <SelectMgr_ViewClipRange.hxx>
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#include <gp_Ax1.hxx>
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#include <Graphic3d_SequenceOfHClipPlane.hxx>
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// =======================================================================
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// function : AddClippingPlanes
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// purpose :
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// =======================================================================
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void SelectMgr_ViewClipRange::AddClippingPlanes (const Graphic3d_SequenceOfHClipPlane& thePlanes,
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const gp_Ax1& thePickRay)
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{
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const gp_Dir& aViewRayDir = thePickRay.Direction();
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const gp_Pnt& aNearPnt = thePickRay.Location();
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Graphic3d_Vec4d aPlaneABCD;
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for (Graphic3d_SequenceOfHClipPlane::Iterator aPlaneIt (thePlanes); aPlaneIt.More(); aPlaneIt.Next())
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{
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const Handle(Graphic3d_ClipPlane)& aClipPlane = aPlaneIt.Value();
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if (!aClipPlane->IsOn())
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{
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continue;
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}
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Bnd_Range aSubRange (RealFirst(), RealLast());
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for (const Graphic3d_ClipPlane* aSubPlaneIter = aClipPlane.get(); aSubPlaneIter != NULL; aSubPlaneIter = aSubPlaneIter->ChainNextPlane().get())
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{
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const gp_Pln aGeomPlane = aSubPlaneIter->ToPlane();
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aGeomPlane.Coefficients (aPlaneABCD[0], aPlaneABCD[1], aPlaneABCD[2], aPlaneABCD[3]);
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const gp_XYZ& aPlaneDirXYZ = aGeomPlane.Axis().Direction().XYZ();
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Standard_Real aDotProduct = aViewRayDir.XYZ().Dot (aPlaneDirXYZ);
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Standard_Real aDistance = -aNearPnt.XYZ().Dot (aPlaneDirXYZ) - aPlaneABCD[3];
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Standard_Real aDistToPln = 0.0;
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// check whether the pick line is parallel to clip plane
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if (Abs (aDotProduct) < Precision::Angular())
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{
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if (aDistance < 0.0)
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{
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continue;
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}
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aDistToPln = RealLast();
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aDotProduct = 1.0;
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}
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else
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{
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// compute distance to point of pick line intersection with the plane
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const Standard_Real aParam = aDistance / aDotProduct;
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const gp_Pnt anIntersectionPnt = aNearPnt.XYZ() + aViewRayDir.XYZ() * aParam;
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aDistToPln = anIntersectionPnt.Distance (aNearPnt);
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if (aParam < 0.0)
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{
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// the plane is "behind" the ray
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aDistToPln = -aDistToPln;
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}
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}
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// change depth limits for case of opposite and directed planes
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if (!aClipPlane->IsChain())
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{
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if (aDotProduct < 0.0)
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{
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ChangeUnclipRange().TrimTo (aDistToPln);
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}
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else
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{
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ChangeUnclipRange().TrimFrom (aDistToPln);
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}
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}
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else
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{
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if (aDotProduct < 0.0)
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{
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aSubRange.TrimFrom (aDistToPln);
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}
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else
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{
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aSubRange.TrimTo (aDistToPln);
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}
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}
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}
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if (!aSubRange.IsVoid()
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&& aClipPlane->IsChain())
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{
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AddClipSubRange (aSubRange);
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}
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}
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}
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// =======================================================================
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// function : DumpJson
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// purpose :
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// =======================================================================
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void SelectMgr_ViewClipRange::DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth) const
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{
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OCCT_DUMP_CLASS_BEGIN (theOStream, SelectMgr_ViewClipRange)
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for (size_t aRangeIter = 0; aRangeIter < myClipRanges.size(); ++aRangeIter)
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{
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Bnd_Range aClipRange = myClipRanges[aRangeIter];
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OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &aClipRange)
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}
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OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &myUnclipRange)
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}
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