[Ves] vtkAxesActor

[Aashish Chaudhary]

On Wed, Mar 13, 2013 at 12:07 AM, Eduardo Poyart <poyart at gmail.com> wrote:
> I can share something soon, not all of my source but the parts that do
> this change. I'm interested in doing that. I think I can fork
> Aashish's project on github and put my changes there. Is it kept up to
> date?

It is. But I am in the process of making VES as part of Kitware repo
(https://github.com/Kitware). Should be done this week.
Then we can use merge request to include contributions from folks
outside kitware.

>
> However, it's not very general at this point, I have to clean it up.

Sure.

> What I did was: copied the vesKiwiImageWidgetRepresentation to my own
> ImageWidgetRepresentation, and I handle single touch, two touch, etc
> instead of sending the events up the chain. I'm currently not using
> the CameraSpinner because it's too tied to the camera. It would be
> interesting if it operated on a Transform instead (both the Spinner
> and the CameraInteractor).
>
> I store the model's Transform in this class and I add it to the scene
> graph above the actor. For the slice picking, I just transform the ray
> by the inverse model transform before doing the intersection tests.

Nice.

>
> I don't remember exactly why I had to copy
> vesKiwiImageWidgetRepresentation instead of subclassing it. In general
> I found it hard to subclass Kiwi classes, mostly due to needed things
> being inside Internal, without accessors.

We have a branch that we will merge hopefully soon that will fix this.

>
> Eduardo
>
>
> On Tue, Mar 12, 2013 at 8:04 PM, Pat Marion <pat.marion at kitware.com> wrote:
>> Yeah, I guess I should add that the concept exists in the
>> vesKiwiPlaneWidget, which is used as the clipping plane in the brain atlas
>> demo, but it's hasn't been generalized so that you can enable interaction
>> for any model.
>>
>> Pat
>>
>>
>> On Wed, Mar 13, 2013 at 1:00 PM, Aashish Chaudhary
>> <aashish.chaudhary at kitware.com> wrote:
>>>
>>> On Tue, Mar 12, 2013 at 10:51 PM, Pat Marion <pat.marion at kitware.com>
>>> wrote:
>>> > Very cool, so I guess you re-routed the touch gestures from the camera
>>> > to
>>> > individual models?  Did you use the vesKiwiWidgetRepresentation
>>> > interface?
>>> > How about the picking code, did you use the cell picker or something
>>> > else?
>>> > Not sure if you are able to share your source, but I'm sure there would
>>> > be
>>> > interest in the community to see example code for rotating individual
>>> > models, because that's not something we've shown in KiwiViewer before.
>>>
>>> +1 would be nice to have this feature shown / exists.
>>>
>>> >
>>> > Pat
>>> >
>>> >
>>> > On Wed, Mar 13, 2013 at 12:41 PM, Eduardo Poyart <poyart at gmail.com>
>>> > wrote:
>>> >>
>>> >> Thanks! I'll try with the vtkAxisSource. I changed my system to keep
>>> >> the camera fixed and rotate the models (since I need multiple models
>>> >> rotating independently). So the model transforms are under my control.
>>> >>
>>> >> Eduardo
>>> >>
>>> >>
>>> >> On Tue, Mar 12, 2013 at 7:37 PM, Pat Marion <pat.marion at kitware.com>
>>> >> wrote:
>>> >> > Hi,
>>> >> >
>>> >> > That's correct, the vtkAxisActor is not supported.  Only the
>>> >> > vtkRenderingCore module is built, the rest of VTK's OpenGL rendering
>>> >> > does
>>> >> > not support OpenGL ES 2.0.
>>> >> >
>>> >> > You can use the vtkAxisSource to generate geometry for a set of axes,
>>> >> > and
>>> >> > you can render them using VES actors. VES has support for actor
>>> >> > overlays, if
>>> >> > you are trying to acheive a corner annotation.  But, there is not
>>> >> > currently
>>> >> > an example demonstrating how to link a VES actor transform to the
>>> >> > camera
>>> >> > orientation.
>>> >> >
>>> >> > Pat
>>> >> >
>>> >> > On Wed, Mar 13, 2013 at 12:32 PM, Eduardo Poyart <poyart at gmail.com>
>>> >> > wrote:
>>> >> >>
>>> >> >> Hi,
>>> >> >>
>>> >> >> I'm trying to use vtkAxesActor, but vtkAxesActor.h includes
>>> >> >> vtkRenderingAnnotationModule.h which doesn't exist in the vtk
>>> >> >> implementation in ves. Are RenderingAnnotations (therefore
>>> >> >> AxesActors)
>>> >> >> not supported?
>>> >> >>
>>> >> >> Thanks
>>> >> >> Eduardo
>>> >> >> _______________________________________________
>>> >> >> Ves mailing list
>>> >> >> Ves at public.kitware.com
>>> >> >> http://public.kitware.com/cgi-bin/mailman/listinfo/ves
>>> >> >
>>> >> >
>>> >
>>> >
>>> >
>>> > _______________________________________________
>>> > Ves mailing list
>>> > Ves at public.kitware.com
>>> > http://public.kitware.com/cgi-bin/mailman/listinfo/ves
>>> >
>>>
>>>
>>>
>>> --
>>> | Aashish Chaudhary
>>> | R&D Engineer
>>> | Kitware Inc.
>>> | www.kitware.com
>>
>>



-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com