Remove object in local context - Forum Open Cascade Technology

ATTIA
Thu, 05/13/2010 - 12:48

Forums:

I want to remove an object in the local context so I write these lines:
for(myAISContext->InitSelected();myAISContext->MoreSelected();myAISContext->InitSelected())
myAISContext->Remove(myAISContext->SelectedInteractive(),Standard_True);
but it doesn't work.
does it have any idea to remove the object in local context.

Thanks

Dennis G.
Fri, 05/14/2010 - 21:00

I'm not that familiar with the AIS concept, but did you try ::Erase(...) instead of ::Remove(...)?

Dennis

ATTIA
Fri, 05/14/2010 - 23:27

Thank you very much Dennis for your help.
I have used this solution but It erase the shape and not only the object selected
if(myAISContext->NbSelected()!=0)

{
myAISContext->InitSelected();
myAISContext->Erase(myAISContext->SelectedInteractive(),Standard_True); }
and I have used these lines

if(myAISContext->NbSelected()!=0)

{
myAISContext->InitSelected();
myAISContext->EraseSelected(Standard_True);}
but no object is deleted.

ATTIA
Fri, 05/28/2010 - 21:11

there is any one who can help me?

Regards

JuryS
Fri, 05/28/2010 - 21:45

Hi ! In my program I delete objects with next function:
and It's working with OCAF application and without this . You may know is object deleted or not with saving your document before and after remove. In my program empty file is ~573 bytes after removing all objects and before create objects.

void objectView::DeleteObject()
{
MainWindow* myApp = MainWindow::getApplication();
QWorkspace* Space = myApp->getWorkspace();
DocumentCommon* doc = ((MDIWindow*) Space->activeWindow())->getDocument();

AIS_SequenceOfInteractive aSequence;
for(myContext->InitCurrent();myContext->MoreCurrent();myContext->NextCurrent())
aSequence.Append(myContext->Current());

doc->GetOCAFDoc()->NewCommand(); //! Íà÷èíàþ çàïèñü äëÿ îòìåíû
for(int iter=1;iter <=aSequence.Length();iter++)
{

Handle(TPrsStd_AISPresentation) CurrentPrs
= Handle(TPrsStd_AISPresentation)::DownCast(aSequence(iter)->GetOwner());
if (!CurrentPrs.IsNull()) //Åñëè ýòî èíòåðàêòèâíûé îáúåêò
{
TDF_Label LabObject = CurrentPrs->Label();

if (grtools->IsFatherGroup(LabObject)) //Åñëè ýòîò îáúåêò íå ïðèíàäëåæèò íè ê êàêèì ãðóïïàì
LabObject.ForgetAllAttributes(Standard_True); //Çàáûòü âñå ïðèñâîåííûå àòðèáóòû
else onDeleteGroup(LabObject);

doc->AnyChanged(true);
}
else //Åñëè ýòî îáû÷íûé ãðàôè÷åñêèé îáúåêò
{
myContext->Erase( aSequence(iter), false, false );
}
}
doc->GetOCAFDoc()->CommitCommand(); //! Çàêîí÷èë çàïèñü äëÿ îòìåíû

//Ïîñëå óäàëåíèÿ îáúåêòà îáíîâëÿþ òåêñòóðèðîâàííûå îáúåêòû

if (myApp->getMyMode()==3) doc->onTexture();
else
{
if (myApp->getMyMode()==0) doc->onWireframe();
if (myApp->getMyMode()==1) doc->onShading();
}
}

ATTIA
Mon, 05/31/2010 - 13:05

Thank you for your help.
But I want to delete an object from local context.
In fact, the type of the object detected in local context is topoDS_shape.(myAISContext->selectedshape()).
Then I use myAISContext to display these object.

Please help me.