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0026209: Visualization - provide a method to fit view to the specific bounding box

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Methods V3d_View::FitAll and NIS_View::FitAll3d now take arbitrary bounding box as a parameter;
Option -selected added to vfit command to fit only selected entities in Draw;
F key press now fits selected objects if any by default.
This commit is contained in:
vpa
2015-05-14 19:32:05 +03:00
committed by bugmaster
parent ab1c121bb9
commit b586500b1e
15 changed files with 301 additions and 43 deletions
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65
src/AIS/AIS_InteractiveContext.cxx
View File

@@ -68,6 +68,9 @@ namespace
return TCollection_AsciiString ("AIS_CurContext_")
+ TCollection_AsciiString (Standard_Atomic_Increment (&THE_AIS_INDEX_CUR));
}
typedef NCollection_DataMap<Handle(SelectMgr_SelectableObject), Handle(SelectMgr_IndexedMapOfOwner)> AIS_MapOfObjectOwners;
typedef NCollection_DataMap<Handle(SelectMgr_SelectableObject), Handle(SelectMgr_IndexedMapOfOwner)>::Iterator AIS_MapIteratorOfMapOfObjectOwners;
}
//=======================================================================
@@ -2824,3 +2827,65 @@ void AIS_InteractiveContext::Disconnect (const Handle(AIS_InteractiveObject)& th
else
return;
}
//=======================================================================
//function : FitSelected
//purpose : Fits the view corresponding to the bounds of selected objects
//=======================================================================
void AIS_InteractiveContext::FitSelected (const Handle(V3d_View)& theView,
const Standard_Real theMargin,
const Standard_Boolean theToUpdate)
{
Standard_CString aSelName = HasOpenedContext() ?
myLocalContexts (myCurLocalIndex)->SelectionName().ToCString()
: myCurrentName.ToCString();
Bnd_Box aBndSelected;
const Handle(AIS_Selection)& aSelection = AIS_Selection::Selection (aSelName);
AIS_MapOfObjectOwners anObjectOwnerMap;
for (aSelection->Init(); aSelection->More(); aSelection->Next())
{
const Handle(AIS_InteractiveObject)& anObj =
Handle(AIS_InteractiveObject)::DownCast (aSelection->Value());
if (!anObj.IsNull())
{
if (anObj->IsInfinite())
continue;
Bnd_Box aTmpBnd;
anObj->BoundingBox (aTmpBnd);
aBndSelected.Add (aTmpBnd);
}
else
{
const Handle(SelectMgr_EntityOwner)& anOwner =
Handle(SelectMgr_EntityOwner)::DownCast (aSelection->Value());
if (anOwner.IsNull())
continue;
Handle(SelectMgr_IndexedMapOfOwner) anOwnerMap;
if (!anObjectOwnerMap.Find (anOwner->Selectable(), anOwnerMap))
{
anOwnerMap = new SelectMgr_IndexedMapOfOwner();
anObjectOwnerMap.Bind (anOwner->Selectable(), anOwnerMap);
}
anOwnerMap->Add (anOwner);
}
}
for (AIS_MapIteratorOfMapOfObjectOwners anIter (anObjectOwnerMap); anIter.More(); anIter.Next())
{
const Handle(SelectMgr_SelectableObject) anObject = anIter.Key();
Bnd_Box aTmpBox = anObject->BndBoxOfSelected (anIter.ChangeValue());
aBndSelected.Add (aTmpBox);
}
anObjectOwnerMap.Clear();
if (aBndSelected.IsVoid())
return;
theView->FitAll (aBndSelected, theMargin, theToUpdate);
}