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0030863: Visualization, SelectMgr_ViewerSelector - disabling of View clipping planes is ignored for transformed objects

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SelectMgr_ViewerSelector::computeFrustum() - fixed lost clipping planes when creating a new frustum.
This commit is contained in:
kgv 2019-08-09 13:00:30 +03:00 committed by bugmaster
parent caa309aaf4
commit 208dc370ac
5 changed files with 50 additions and 21 deletions
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6
src/SelectMgr/SelectMgr_RectangularFrustum.hxx
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@ -109,6 +109,12 @@ public:
Standard_EXPORT virtual void SetViewClipping (const Handle(Graphic3d_SequenceOfHClipPlane)& theViewPlanes,
const Handle(Graphic3d_SequenceOfHClipPlane)& theObjPlanes) Standard_OVERRIDE;
//! Return clipping range.
const SelectMgr_ViewClipRange& ViewClipRanges() const { return myViewClipRange; }
//! Set clipping range.
void SetViewClipRanges (const SelectMgr_ViewClipRange& theRange) { myViewClipRange = theRange; }
//! A set of helper functions that return rectangular selecting frustum data
inline const gp_Pnt* GetVertices() const { return myVertices; }

15
src/SelectMgr/SelectMgr_SelectingVolumeManager.cxx
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@ -465,3 +465,18 @@ void SelectMgr_SelectingVolumeManager::SetViewClipping (const Handle(Graphic3d_S
mySelectingVolumes[Frustum]->SetViewClipping (theViewPlanes, theObjPlanes);
}
//=======================================================================
// function : SetViewClipping
// purpose :
//=======================================================================
void SelectMgr_SelectingVolumeManager::SetViewClipping (const SelectMgr_SelectingVolumeManager& theOther)
{
myViewClipPlanes = theOther.ViewClipping();
myObjectClipPlanes = theOther.ObjectClipping();
if (myActiveSelectionType != Point)
return;
const SelectMgr_RectangularFrustum* aFrOther = reinterpret_cast<const SelectMgr_RectangularFrustum*>(theOther.mySelectingVolumes[Frustum].get());
reinterpret_cast<SelectMgr_RectangularFrustum*>(mySelectingVolumes[Frustum].get())->SetViewClipRanges (aFrOther->ViewClipRanges());
}

3
src/SelectMgr/SelectMgr_SelectingVolumeManager.hxx
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@ -178,6 +178,9 @@ public:
Standard_EXPORT void SetViewClipping (const Handle(Graphic3d_SequenceOfHClipPlane)& theViewPlanes,
const Handle(Graphic3d_SequenceOfHClipPlane)& theObjPlanes);
//! Copy clipping planes from another volume manager.
Standard_EXPORT void SetViewClipping (const SelectMgr_SelectingVolumeManager& theOther);
//! A set of helper functions that return rectangular selecting frustum data
Standard_EXPORT const gp_Pnt* GetVertices() const;

28
src/SelectMgr/SelectMgr_ViewerSelector.cxx
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@ -250,12 +250,11 @@ void SelectMgr_ViewerSelector::checkOverlap (const Handle(Select3D_SensitiveEnti
//=======================================================================
// function: computeFrustum
// purpose : Internal function that checks if a current selecting frustum
// needs to be scaled and transformed for the entity and performs
// necessary calculations
// purpose :
//=======================================================================
void SelectMgr_ViewerSelector::computeFrustum (const Handle(Select3D_SensitiveEntity)& theEnt,
const SelectMgr_SelectingVolumeManager& theMgr,
const SelectMgr_SelectingVolumeManager& theMgrGlobal,
const SelectMgr_SelectingVolumeManager& theMgrObject,
const gp_GTrsf& theInvTrsf,
SelectMgr_FrustumCache& theCachedMgrs,
SelectMgr_SelectingVolumeManager& theResMgr)
@ -266,19 +265,26 @@ void SelectMgr_ViewerSelector::computeFrustum (const Handle(Select3D_SensitiveEn
const Standard_Boolean toTransform = aTrsfMtr.Form() != gp_Identity;
if (toScale && toTransform)
{
theResMgr = theMgr.ScaleAndTransform (aScale, aTrsfMtr, NULL);
theResMgr = theMgrGlobal.ScaleAndTransform (aScale, aTrsfMtr, NULL);
theResMgr.SetViewClipping (theMgrObject);
}
else if (toScale)
{
if (!theCachedMgrs.IsBound (aScale))
if (!theCachedMgrs.Find (aScale, theResMgr))
{
theCachedMgrs.Bind (aScale, theMgr.ScaleAndTransform (aScale, gp_Trsf(), NULL));
theResMgr = theMgrGlobal.ScaleAndTransform (aScale, gp_Trsf(), NULL);
theCachedMgrs.Bind (aScale, theResMgr);
}
theResMgr = theCachedMgrs.Find (aScale);
theResMgr.SetViewClipping (theMgrObject);
}
else if (toTransform)
{
theResMgr = theMgr.ScaleAndTransform (1, aTrsfMtr, NULL);
theResMgr = theMgrGlobal.ScaleAndTransform (1, aTrsfMtr, NULL);
theResMgr.SetViewClipping (theMgrObject);
}
else
{
theResMgr = theMgrObject;
}
}
@ -408,6 +414,7 @@ void SelectMgr_ViewerSelector::traverseObject (const Handle(SelectMgr_Selectable
Standard_Integer aHead = -1;
Standard_Integer aNode = 0; // a root node
SelectMgr_FrustumCache aScaledTrnsfFrustums;
SelectMgr_SelectingVolumeManager aTmpMgr;
for (;;)
{
if (!aSensitivesTree->IsOuter (aNode))
@ -484,8 +491,7 @@ void SelectMgr_ViewerSelector::traverseObject (const Handle(SelectMgr_Selectable
if (aSensitive->IsActiveForSelection())
{
const Handle(Select3D_SensitiveEntity)& anEnt = aSensitive->BaseSensitive();
SelectMgr_SelectingVolumeManager aTmpMgr = aMgr;
computeFrustum (anEnt, theMgr, aInversedTrsf, aScaledTrnsfFrustums, aTmpMgr);
computeFrustum (anEnt, theMgr, aMgr, aInversedTrsf, aScaledTrnsfFrustums, aTmpMgr);
checkOverlap (anEnt, aInversedTrsf, aTmpMgr);
}
}

7
src/SelectMgr/SelectMgr_ViewerSelector.hxx
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@ -290,11 +290,10 @@ private:
//! removes a Selection from the Selector
void Remove (const Handle(SelectMgr_Selection)& aSelection);
//! Internal function that checks if a current selecting frustum
//! needs to be scaled and transformed for the entity and performs
//! necessary calculations
//! Internal function that checks if a current selecting frustum needs to be scaled and transformed for the entity and performs necessary calculations.
void computeFrustum (const Handle(Select3D_SensitiveEntity)& theEnt,
const SelectMgr_SelectingVolumeManager& theMgr,
const SelectMgr_SelectingVolumeManager& theMgrGlobal,
const SelectMgr_SelectingVolumeManager& theMgrObject,
const gp_GTrsf& theInvTrsf,
SelectMgr_FrustumCache& theCachedMgrs,
SelectMgr_SelectingVolumeManager& theResMgr);