[vtkusers] [vtk-developers] vtkActor2D and layer ordering ?

[Ken Martin]

I believe Bill Lorensen has/had a patch related to 2d actor depth in the
new OpenGL backend that has been merged into master

https://gitlab.kitware.com/vtk/vtk/merge_requests/1284

does that fix the issue?

Thanks
Ken

On Thu, Mar 17, 2016 at 8:04 AM, Andras Lasso <lasso at queensu.ca> wrote:

> I would be interested in this, too.
>
>
>
> When building 3D Slicer with OpenGL backend then everything works well.
> Switching to OpenGL2 bckend improves performance, fixes transparent
> polydata rendering, and volume rendering (great!), but there are 2D actor
> ordering issues all over the place.
>
>
>
> How 2D actor ordering is changed in OpenGL2 and what should we change in
> our applications to have the same behavior as with OpenGL?
>
>
>
> Andras
>
>
>
> *From:* vtk-developers [mailto:vtk-developers-bounces at vtk.org] *On Behalf
> Of *Petar Petrov
> *Sent:* March 17, 2016 5:31 AM
> *To:* vtk-developers at vtk.org; vtkusers at vtk.org
> *Subject:* [vtk-developers] vtkActor2D and layer ordering ?
>
>
>
>
>
> I found at least 3 ways that might influence z-order of 2D actors:
>
>
>
> 1) vtkActor2D->SetLayerNumber(int)
>
> 2) vtkImageMapper->SetZSlice()
>
> 3) vtkProperty2D->SetDsiplayToBackground/Foreground()
>
>
>
> None of which seems to do the job. also previous similar question:
>
> http://public.kitware.com/pipermail/vtkusers/2010-February/057204.html
>
>
>
> Before vtk7.0, at least point 3 was working, now in vtk7.0 it also stopped
> working.
>
>
>
> So my question is how can I influence z-ordering of 2Dactors as per latest
> vtk?
>
>
>
> Cheers,
>
> Petar
>
>
>
>
>
>
>
>
>
>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Search the list archives at: http://markmail.org/search/?q=vtk-developers
>
> Follow this link to subscribe/unsubscribe:
> http://public.kitware.com/mailman/listinfo/vtk-developers
>
>
>


-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

This communication, including all attachments, contains confidential and
legally privileged information, and it is intended only for the use of the
addressee.  Access to this email by anyone else is unauthorized. If you are
not the intended recipient, any disclosure, copying, distribution or any
action taken in reliance on it is prohibited and may be unlawful. If you
received this communication in error please notify us immediately and
destroy the original message.  Thank you.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://public.kitware.com/pipermail/vtkusers/attachments/20160317/cac2a7d7/attachment.html>