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mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-08-09 13:22:24 +03:00

Revert "0033551: Visualization - Add new transform persistence mode to force orthographic projection on object."

This reverts commit 0141024df5.
This commit is contained in:
vglukhik
2024-01-15 15:15:41 +00:00
parent cdc6566c3c
commit cb290cc932
20 changed files with 102 additions and 427 deletions

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@@ -93,24 +93,6 @@ Handle(SelectMgr_BaseIntersector) SelectMgr_AxisIntersector::ScaleAndTransform (
return aRes;
}
//=======================================================================
// function : CopyWithBuilder
// purpose : Returns a copy of the frustum using the given frustum builder configuration.
// Returned frustum should be re-constructed before being used.
//=======================================================================
Handle(SelectMgr_BaseIntersector) SelectMgr_AxisIntersector::CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const
{
(void )theBuilder;
Standard_ASSERT_RAISE(mySelectionType == SelectMgr_SelectionType_Point,
"Error! SelectMgr_AxisIntersector::CopyWithBuilder() should be called after selection axis initialization");
Handle(SelectMgr_AxisIntersector) aRes = new SelectMgr_AxisIntersector();
aRes->myAxis = myAxis;
aRes->mySelectionType = mySelectionType;
return aRes;
}
// =======================================================================
// function : hasIntersection
// purpose :

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@@ -52,11 +52,6 @@ public:
const gp_GTrsf& theTrsf,
const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
//! Returns a copy of the intersector transformed using the builder configuration given.
//! Builder is an argument that represents corresponding settings for re-constructing transformed frustum from scratch.
//! In this class, builder is not used and theBuilder parameter is ignored.
Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
public:
//! Intersection test between defined axis and given axis-aligned box

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@@ -71,11 +71,6 @@ public:
const gp_GTrsf& theTrsf,
const Handle(SelectMgr_FrustumBuilder)& theBuilder) const = 0;
//! @param theBuilder [in] argument that represents corresponding settings for re-constructing transformed frustum from scratch;
//! should NOT be NULL.
//! @return a copy of the frustum with the input builder assigned
virtual Handle(SelectMgr_BaseIntersector) CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const = 0;
public:
//! Return camera definition.

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@@ -449,28 +449,6 @@ Handle(SelectMgr_BaseIntersector) SelectMgr_RectangularFrustum::ScaleAndTransfor
return aRes;
}
// =======================================================================
// function : CopyWithBuilder
// purpose : Returns a copy of the frustum using the given frustum builder configuration.
// Returned frustum should be re-constructed before being used.
// =======================================================================
Handle(SelectMgr_BaseIntersector) SelectMgr_RectangularFrustum::CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Point || mySelectionType == SelectMgr_SelectionType_Box,
"Error! SelectMgr_RectangularFrustum::CopyWithBuilder() should be called after selection frustum initialization");
Standard_ASSERT_RAISE (!theBuilder.IsNull(),
"Error! SelectMgr_RectangularFrustum::CopyWithBuilder() should be called with valid builder");
Handle(SelectMgr_RectangularFrustum) aRes = new SelectMgr_RectangularFrustum();
aRes->mySelectionType = mySelectionType;
aRes->mySelRectangle = mySelRectangle;
aRes->myPixelTolerance = myPixelTolerance;
aRes->SetBuilder (theBuilder);
return aRes;
}
// =======================================================================
// function : IsScalable
// purpose :

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@@ -99,13 +99,6 @@ public:
const gp_GTrsf& theTrsf,
const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
//! Returns a copy of the frustum using the given frustum builder configuration.
//! Returned frustum should be re-constructed before being used.
//! @param theBuilder [in] argument that represents corresponding settings for re-constructing transformed frustum from scratch;
//! should NOT be NULL.
//! @return a copy of the frustum with the input builder assigned
Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
// SAT Tests for different objects
//! SAT intersection test between defined volume and given axis-aligned box

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@@ -241,23 +241,17 @@ namespace
//=============================================================================
SelectMgr_SelectableObjectSet::SelectMgr_SelectableObjectSet()
{
myBVH[BVHSubset_ortho2dPersistent] = new BVH_Tree<Standard_Real, 3>();
myBVH[BVHSubset_ortho3dPersistent] = new BVH_Tree<Standard_Real, 3>();
myBVH[BVHSubset_2dPersistent] = new BVH_Tree<Standard_Real, 3>();
myBVH[BVHSubset_3dPersistent] = new BVH_Tree<Standard_Real, 3>();
myBVH[BVHSubset_3d] = new BVH_Tree<Standard_Real, 3>();
myBVH[BVHSubset_2dPersistent] = new BVH_Tree<Standard_Real, 3>();
myBVH[BVHSubset_3dPersistent] = new BVH_Tree<Standard_Real, 3>();
myBVH[BVHSubset_3d] = new BVH_Tree<Standard_Real, 3>();
myBuilder[BVHSubset_ortho2dPersistent] = new BVH_LinearBuilder<Standard_Real, 3> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth);
myBuilder[BVHSubset_ortho3dPersistent] = new BVH_LinearBuilder<Standard_Real, 3> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth);
myBuilder[BVHSubset_2dPersistent] = new BVH_LinearBuilder<Standard_Real, 3> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth);
myBuilder[BVHSubset_3dPersistent] = new BVH_LinearBuilder<Standard_Real, 3> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth);
myBuilder[BVHSubset_3d] = new BVH_BinnedBuilder<Standard_Real, 3, 4> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth, Standard_True);
myBuilder[BVHSubset_2dPersistent] = new BVH_LinearBuilder<Standard_Real, 3> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth);
myBuilder[BVHSubset_3dPersistent] = new BVH_LinearBuilder<Standard_Real, 3> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth);
myBuilder[BVHSubset_3d] = new BVH_BinnedBuilder<Standard_Real, 3, 4> (BVH_Constants_LeafNodeSizeSingle, BVH_Constants_MaxTreeDepth, Standard_True);
myIsDirty[BVHSubset_ortho2dPersistent] = Standard_False;
myIsDirty[BVHSubset_ortho3dPersistent] = Standard_False;
myIsDirty[BVHSubset_2dPersistent] = Standard_False;
myIsDirty[BVHSubset_3dPersistent] = Standard_False;
myIsDirty[BVHSubset_3d] = Standard_False;
myIsDirty[BVHSubset_2dPersistent] = Standard_False;
myIsDirty[BVHSubset_3dPersistent] = Standard_False;
myIsDirty[BVHSubset_3d] = Standard_False;
}
//=============================================================================
@@ -268,9 +262,10 @@ Standard_Boolean SelectMgr_SelectableObjectSet::Append (const Handle(SelectMgr_S
{
// get an appropriate BVH subset to insert the object into it
const Standard_Integer aSubsetIdx = appropriateSubset (theObject);
// check that the object is excluded from other subsets
if (currentSubset (theObject) != -1)
if (myObjects[(aSubsetIdx + 1) % BVHSubsetNb].Contains (theObject)
|| myObjects[(aSubsetIdx + 2) % BVHSubsetNb].Contains (theObject))
{
return Standard_False;
}
@@ -406,51 +401,9 @@ void SelectMgr_SelectableObjectSet::UpdateBVH (const Handle(Graphic3d_Camera)& t
myBuilder[BVHSubset_2dPersistent]->Build (&anAdaptor, myBVH[BVHSubset_2dPersistent].get(), anAdaptor.Box());
}
// -------------------------------------------------------------------
// check and update 3D orthographic persistence BVH tree if necessary
// -------------------------------------------------------------------
if (!IsEmpty (BVHSubset_ortho3dPersistent)
&& (myIsDirty[BVHSubset_ortho3dPersistent]
|| myLastViewState.IsChanged (aViewState)
|| isWinSizeChanged))
{
Handle(Graphic3d_Camera) aNewOrthoCam = new Graphic3d_Camera (*theCam); // If OrthoPers, copy camera and set to orthographic projection
aNewOrthoCam->SetProjectionType (Graphic3d_Camera::Projection_Orthographic);
// construct adaptor over private fields to provide direct access for the BVH builder
BVHBuilderAdaptorPersistent anAdaptor (myObjects[BVHSubset_ortho3dPersistent],
aNewOrthoCam, aNewOrthoCam->ProjectionMatrix(),
aNewOrthoCam->OrientationMatrix(), theWinSize);
// update corresponding BVH tree data structure
myBuilder[BVHSubset_ortho3dPersistent]->Build (&anAdaptor, myBVH[BVHSubset_ortho3dPersistent].get(), anAdaptor.Box());
}
// -------------------------------------------------------------------
// check and update 2D orthographic persistence BVH tree if necessary
// -------------------------------------------------------------------
if (!IsEmpty (BVHSubset_ortho2dPersistent)
&& (myIsDirty[BVHSubset_ortho2dPersistent]
|| myLastViewState.IsProjectionChanged (aViewState)
|| isWinSizeChanged))
{
Handle(Graphic3d_Camera) aNewOrthoCam = new Graphic3d_Camera (*theCam); // If OrthoPers, copy camera and set to orthographic projection
aNewOrthoCam->SetProjectionType (Graphic3d_Camera::Projection_Orthographic);
// construct adaptor over private fields to provide direct access for the BVH builder
BVHBuilderAdaptorPersistent anAdaptor (myObjects[BVHSubset_ortho2dPersistent],
aNewOrthoCam, aNewOrthoCam->ProjectionMatrix(),
SelectMgr_SelectableObjectSet_THE_IDENTITY_MAT, theWinSize);
// update corresponding BVH tree data structure
myBuilder[BVHSubset_ortho2dPersistent]->Build (&anAdaptor, myBVH[BVHSubset_ortho2dPersistent].get(), anAdaptor.Box());
}
// release dirty state for every subset
myIsDirty[BVHSubset_3dPersistent] = Standard_False;
myIsDirty[BVHSubset_2dPersistent] = Standard_False;
myIsDirty[BVHSubset_ortho3dPersistent] = Standard_False;
myIsDirty[BVHSubset_ortho2dPersistent] = Standard_False;
myIsDirty[BVHSubset_3dPersistent] = Standard_False;
myIsDirty[BVHSubset_2dPersistent] = Standard_False;
// keep last view state
myLastViewState = aViewState;
@@ -466,11 +419,9 @@ void SelectMgr_SelectableObjectSet::UpdateBVH (const Handle(Graphic3d_Camera)& t
//=============================================================================
void SelectMgr_SelectableObjectSet::MarkDirty()
{
myIsDirty[BVHSubset_3d] = Standard_True;
myIsDirty[BVHSubset_3dPersistent] = Standard_True;
myIsDirty[BVHSubset_2dPersistent] = Standard_True;
myIsDirty[BVHSubset_ortho3dPersistent] = Standard_True;
myIsDirty[BVHSubset_ortho2dPersistent] = Standard_True;
myIsDirty[BVHSubset_3d] = Standard_True;
myIsDirty[BVHSubset_3dPersistent] = Standard_True;
myIsDirty[BVHSubset_2dPersistent] = Standard_True;
}
//=======================================================================
//function : DumpJson

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@@ -42,22 +42,11 @@ public:
//! needs to be updated only when camera's projection changes. Bounding volumes for this object subclass
//! is represented directly in eye space coordinates.
//! This subset uses linear BVH builder with 32 levels of depth and 1 element per leaf.
//! - BVHSubset_ortho3dPersistent refers to the subset of 3D persistent selectable objects (rotate, pan, zoom persistence)
//! that contains `Graphic3d_TMF_OrthoPers` persistence mode.
//! Associated BVH tree needs to be updated when either the camera's projection and position change.
//! This subset uses linear BVH builder with 32 levels of depth and 1 element per leaf.
//! - BVHSubset_ortho2dPersistent refers to the subset of 2D persistent selectable objects
//! that contains `Graphic3d_TMF_OrthoPers` persistence mode. Associated BVH tree
//! needs to be updated only when camera's projection changes. Bounding volumes for this object subclass
//! is represented directly in eye space coordinates.
//! This subset uses linear BVH builder with 32 levels of depth and 1 element per leaf.
enum BVHSubset
{
BVHSubset_3d,
BVHSubset_3dPersistent,
BVHSubset_2dPersistent,
BVHSubset_ortho3dPersistent,
BVHSubset_ortho2dPersistent,
BVHSubsetNb
};
@@ -151,9 +140,7 @@ public:
{
return myObjects[BVHSubset_3d].Contains (theObject)
|| myObjects[BVHSubset_3dPersistent].Contains (theObject)
|| myObjects[BVHSubset_2dPersistent].Contains (theObject)
|| myObjects[BVHSubset_ortho3dPersistent].Contains (theObject)
|| myObjects[BVHSubset_ortho2dPersistent].Contains (theObject);
|| myObjects[BVHSubset_2dPersistent].Contains (theObject);
}
//! Returns true if the object set does not contain any selectable objects.
@@ -161,9 +148,7 @@ public:
{
return myObjects[BVHSubset_3d].IsEmpty()
&& myObjects[BVHSubset_3dPersistent].IsEmpty()
&& myObjects[BVHSubset_2dPersistent].IsEmpty()
&& myObjects[BVHSubset_ortho3dPersistent].IsEmpty()
&& myObjects[BVHSubset_ortho2dPersistent].IsEmpty();
&& myObjects[BVHSubset_2dPersistent].IsEmpty();
}
//! Returns true if the specified object subset is empty.
@@ -207,18 +192,10 @@ private:
}
return SelectMgr_SelectableObjectSet::BVHSubset_3d;
}
else if ((theObject->TransformPersistence()->Mode() & Graphic3d_TMF_2d) != 0)
else if (theObject->TransformPersistence()->Mode() == Graphic3d_TMF_2d)
{
if (theObject->TransformPersistence()->IsOrthoPers())
{
return SelectMgr_SelectableObjectSet::BVHSubset_ortho2dPersistent;
}
return SelectMgr_SelectableObjectSet::BVHSubset_2dPersistent;
}
else if (theObject->TransformPersistence()->IsOrthoPers())
{
return SelectMgr_SelectableObjectSet::BVHSubset_ortho3dPersistent;
}
else
{
return SelectMgr_SelectableObjectSet::BVHSubset_3dPersistent;

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@@ -67,28 +67,6 @@ SelectMgr_SelectingVolumeManager SelectMgr_SelectingVolumeManager::ScaleAndTrans
return aMgr;
}
//=======================================================================
// function : CopyWithBuilder
// purpose : Returns a copy of the selecting volume manager and its active frustum re-constructed using the passed builder.
// Builder is an argument that represents corresponding settings for re-constructing transformed
// frustum from scratch.
//=======================================================================
SelectMgr_SelectingVolumeManager SelectMgr_SelectingVolumeManager::CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const
{
SelectMgr_SelectingVolumeManager aMgr;
aMgr.myToAllowOverlap = myToAllowOverlap;
aMgr.myViewClipPlanes = myViewClipPlanes;
aMgr.myObjectClipPlanes = myObjectClipPlanes;
aMgr.myViewClipRange = myViewClipRange;
if (!myActiveSelectingVolume.IsNull())
{
aMgr.myActiveSelectingVolume = myActiveSelectingVolume->CopyWithBuilder (theBuilder);
aMgr.BuildSelectingVolume();
}
return aMgr;
}
//=======================================================================
// function : GetActiveSelectionType
// purpose :

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@@ -81,11 +81,6 @@ public:
const gp_GTrsf& theTrsf,
const Handle(SelectMgr_FrustumBuilder)& theBuilder) const;
//! Returns a copy of the selecting volume manager and its active frustum re-constructed using the passed builder.
//! Builder is an argument that represents corresponding settings for re-constructing transformed
//! frustum from scratch.
Standard_EXPORT virtual SelectMgr_SelectingVolumeManager CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const;
public:
//! Returns current camera definition.

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@@ -189,20 +189,6 @@ Handle(SelectMgr_BaseIntersector) SelectMgr_TriangularFrustum::ScaleAndTransform
return aRes;
}
//=======================================================================
// function : CopyWithBuilder
// purpose : Returns a copy of the frustum using the given frustum builder configuration.
// Returned frustum should be re-constructed before being used.
//=======================================================================
Handle(SelectMgr_BaseIntersector) SelectMgr_TriangularFrustum::CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const
{
Handle(SelectMgr_TriangularFrustum) aRes = new SelectMgr_TriangularFrustum();
aRes->mySelTriangle = mySelTriangle;
aRes->SetBuilder (theBuilder);
return aRes;
}
//=======================================================================
// function : OverlapsBox
// purpose : SAT intersection test between defined volume and

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@@ -55,13 +55,6 @@ public:
const gp_GTrsf& theTrsf,
const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
//! Returns a copy of the frustum using the given frustum builder configuration.
//! Returned frustum should be re-constructed before being used.
//! @param theBuilder [in] argument that represents corresponding settings for re-constructing transformed frustum from scratch;
//! should NOT be NULL.
//! @return a copy of the frustum with the input builder assigned
Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
public: //! @name SAT Tests for different objects
//! SAT intersection test between defined volume and given axis-aligned box

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@@ -186,32 +186,6 @@ Handle(SelectMgr_BaseIntersector) SelectMgr_TriangularFrustumSet::ScaleAndTransf
return aRes;
}
//=======================================================================
// function : CopyWithBuilder
// purpose : Returns a copy of the frustum using the given frustum builder configuration.
// Returned frustum should be re-constructed before being used.
//=======================================================================
Handle(SelectMgr_BaseIntersector) SelectMgr_TriangularFrustumSet::CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const
{
Standard_ASSERT_RAISE (mySelectionType == SelectMgr_SelectionType_Polyline,
"Error! SelectMgr_TriangularFrustumSet::CopyWithBuilder() should be called after selection frustum initialization");
Standard_ASSERT_RAISE (!theBuilder.IsNull(),
"Error! SelectMgr_TriangularFrustumSet::CopyWithBuilder() should be called with valid builder");
Handle(SelectMgr_TriangularFrustumSet) aRes = new SelectMgr_TriangularFrustumSet();
aRes->SetCamera (myCamera);
for (SelectMgr_TriangFrustums::Iterator anIter (myFrustums); anIter.More(); anIter.Next())
{
aRes->myFrustums.Append (Handle(SelectMgr_TriangularFrustum)::DownCast (anIter.Value()->CopyWithBuilder (theBuilder)));
}
aRes->mySelectionType = mySelectionType;
aRes->mySelPolyline = mySelPolyline;
aRes->myToAllowOverlap = myToAllowOverlap;
aRes->SetBuilder (theBuilder);
return aRes;
}
// =======================================================================
// function : OverlapsBox
// purpose :

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@@ -62,13 +62,6 @@ public:
const gp_GTrsf& theTrsf,
const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
//! Returns a copy of the frustum using the given frustum builder configuration.
//! Returned frustum should be re-constructed before being used.
//! @param theBuilder [in] argument that represents corresponding settings for re-constructing transformed frustum from scratch;
//! should NOT be NULL.
//! @return a copy of the frustum with the input builder assigned
Standard_EXPORT virtual Handle(SelectMgr_BaseIntersector) CopyWithBuilder (const Handle(SelectMgr_FrustumBuilder)& theBuilder) const Standard_OVERRIDE;
public:
Standard_EXPORT virtual Standard_Boolean OverlapsBox (const SelectMgr_Vec3& theMinPnt,

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@@ -138,12 +138,12 @@ void SelectMgr_ViewerSelector::updatePoint3d (SelectMgr_SortCriterion& theCriter
case SelectMgr_TypeOfDepthTolerance_UniformPixels:
case SelectMgr_TypeOfDepthTolerance_SensitivityFactor:
{
if (theMgr.Camera().IsNull())
if (mySelectingVolumeMgr.Camera().IsNull())
{
// fallback for an arbitrary projection matrix
theCriterion.Tolerance = aSensFactor / 33.0;
}
else if (theMgr.Camera()->IsOrthographic())
else if (mySelectingVolumeMgr.Camera()->IsOrthographic())
{
theCriterion.Tolerance = myCameraScale * aSensFactor;
}
@@ -634,7 +634,6 @@ void SelectMgr_ViewerSelector::TraverseSensitives (const Standard_Integer theVie
Graphic3d_Vec2i aWinSize;
mySelectingVolumeMgr.WindowSize (aWinSize.x(), aWinSize.y());
const double aPixelSize = Max (1.0 / aWinSize.x(), 1.0 / aWinSize.y());
const Handle(Graphic3d_Camera)& aCamera = mySelectingVolumeMgr.Camera();
Graphic3d_Mat4d aProjectionMat, aWorldViewMat;
@@ -647,6 +646,11 @@ void SelectMgr_ViewerSelector::TraverseSensitives (const Standard_Integer theVie
myCameraEye = aCamera->Eye().XYZ();
myCameraDir = aCamera->Direction().XYZ();
myCameraScale = aCamera->IsOrthographic()
? aCamera->Scale()
: 2.0 * Tan (aCamera->FOVy() * M_PI / 360.0);
const double aPixelSize = Max (1.0 / aWinSize.x(), 1.0 / aWinSize.y());
myCameraScale *= aPixelSize;
}
mySelectableObjects.UpdateBVH (aCamera, aWinSize);
@@ -668,8 +672,7 @@ void SelectMgr_ViewerSelector::TraverseSensitives (const Standard_Integer theVie
// for 2D space selection transform selecting volumes to perform overlap testing
// directly in camera's eye space omitting the camera position, which is not
// needed there at all
if (aBVHSubset == SelectMgr_SelectableObjectSet::BVHSubset_2dPersistent
|| aBVHSubset == SelectMgr_SelectableObjectSet::BVHSubset_ortho2dPersistent)
if (aBVHSubset == SelectMgr_SelectableObjectSet::BVHSubset_2dPersistent)
{
gp_GTrsf aTFrustum;
aTFrustum.SetValue (1, 1, aWorldViewMat.GetValue (0, 0));
@@ -685,43 +688,22 @@ void SelectMgr_ViewerSelector::TraverseSensitives (const Standard_Integer theVie
aWorldViewMat.GetValue (1, 3),
aWorldViewMat.GetValue (2, 3)));
// define corresponding frustum builder parameters for 2d persistence.
// define corresponding frustum builder parameters
Handle(SelectMgr_FrustumBuilder) aBuilder = new SelectMgr_FrustumBuilder();
Handle(Graphic3d_Camera) aNewCamera = new Graphic3d_Camera();
aNewCamera->CopyMappingData (aCamera);
aNewCamera->SetIdentityOrientation();
if (aBVHSubset == SelectMgr_SelectableObjectSet::BVHSubset_ortho2dPersistent)
{
aNewCamera->SetProjectionType (Graphic3d_Camera::Projection_Orthographic);
}
aWorldViewMat = aNewCamera->OrientationMatrix(); // should be identity matrix
aProjectionMat = aNewCamera->ProjectionMatrix(); // should be the same to aProjectionMat
aBuilder->SetCamera (aNewCamera);
aBuilder->SetWindowSize (aWinSize.x(), aWinSize.y());
aMgr = mySelectingVolumeMgr.ScaleAndTransform (1, aTFrustum, aBuilder);
}
else if (aBVHSubset == SelectMgr_SelectableObjectSet::BVHSubset_ortho3dPersistent)
{
// define corresponding frustum builder parameters for 3d orthographic persistence.
Handle(SelectMgr_FrustumBuilder) aBuilder = new SelectMgr_FrustumBuilder();
Handle(Graphic3d_Camera) aNewCamera = new Graphic3d_Camera (*aCamera);
aNewCamera->SetProjectionType (Graphic3d_Camera::Projection_Orthographic);
aWorldViewMat = aNewCamera->OrientationMatrix(); // should be the same to aWorldViewMat
aProjectionMat = aNewCamera->ProjectionMatrix(); // should be orthographic projection
aBuilder->SetCamera (aNewCamera);
aBuilder->SetWindowSize (aWinSize.x(), aWinSize.y());
aMgr = mySelectingVolumeMgr.CopyWithBuilder (aBuilder);
}
else
{
aMgr = mySelectingVolumeMgr;
}
myCameraScale = aMgr.Camera()->IsOrthographic()
? aMgr.Camera()->Scale()
: 2.0 * Tan (aMgr.Camera()->FOVy() * M_PI / 360.0);
myCameraScale *= aPixelSize;
const opencascade::handle<BVH_Tree<Standard_Real, 3> >& aBVHTree = mySelectableObjects.BVH (aBVHSubset);
Standard_Integer aNode = 0;

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@@ -328,7 +328,7 @@ protected:
//! @param theObject [in] the selectable object for traversal.
//! @param theMgr [in] the (un)transformed copy of the selecting volume manager representing active selection frustum.
//! @param theCamera, theProjectionMat, theWorldViewMat [in] the source camera and matrices for theMgr given.
//! @param theWinSize [in] viewport (window) dimensions for evaluating
//! @param theViewportWidth, theViewportHeight [in] viewport (window) dimensions for evaluating
//! object's transformation persistence.
Standard_EXPORT void traverseObject (const Handle(SelectMgr_SelectableObject)& theObject,
const SelectMgr_SelectingVolumeManager& theMgr,