[prev in list] [next in list] [prev in thread] [next in thread] 

List:       paraview
Subject:    Re: [Paraview] [vtkusers] special field-data annotation filter or similar functionality
From:       "Dr. Roman Grothausmann" <grothausmann.roman () mh-hannover ! de>
Date:       2014-07-23 8:38:16
Message-ID: 53CF7478.1010603 () mh-hannover ! de
[Download RAW message or body]

Dear mailing list members,


Is there already a filter as described below that I've missed to find?
If not, any recommendation how to start implementing such filter?

Kind regards
Roman


On 17/07/14 12:36, Dr. Roman Grothausmann wrote:
> Dear mailing list members,
>
>
> Is there a filter in paraview that allows one to display specific field-d=
ata
> (e.g. of points or cells) at the 3D position of the corresponding point/c=
ell in
> such a way that the annotation is hidden if some mesh or voxel object is =
in
> front? Or if the objects in front have some transparency the annotations =
are
> only visible as much as the transparency of the objects in front dictates?
> I know about the possibility of displaying selection labels via the Find-=
Dialog.
> However these annotations are
> - always in front,
> - cannot be made partially transparent (as I think was possible in older
> paraview versions than 4.1.0 when vtkVectorText was used) and
> - only the active selection can be annotated, ie not multiple datasets.
>
> I found this example in which the text is not always rendered in front of=
 the axes:
> https://github.com/Kitware/VTK/blob/master/Examples/Annotation/Python/tex=
tOrigin.py
> However it uses vtkVectorText (which is not exportable as text into e.g. =
SVGs
> however vtkTextActor3D is).
> I now wonder if only vtkVectorText allows being hidden by other objects o=
r if
> some settings of vtkTextActor3D are not offered for adjustment in the Fin=
d-Dialog?
> In any case a paraview filter that would offer all 3 features mentioned a=
bove
> would be really helpful. Are there any reasons that such a filter cannot =
be
> implemented in paraview at the present state?
> Can such functionality be implemented in general with the current state o=
f VTK?
>
> Any help or hints are very much appreciated
> Roman
>

-- =

Dr. Roman Grothausmann

Tomographie und Digitale Bildverarbeitung
Tomography and Digital Image Analysis

Institut f=FCr Funktionelle und Angewandte Anatomie, OE 4120
Medizinische Hochschule Hannover
Carl-Neuberg-Str. 1
D-30625 Hannover

Tel. +49 511 532-9574
_______________________________________________
Powered by www.kitware.com

Visit other Kitware open-source projects at http://www.kitware.com/opensour=
ce/opensource.html

Please keep messages on-topic and check the ParaView Wiki at: http://paravi=
ew.org/Wiki/ParaView

Follow this link to subscribe/unsubscribe:
http://public.kitware.com/mailman/listinfo/paraview
[prev in list] [next in list] [prev in thread] [next in thread]