[ITK Community] [Insight-users] Fwd: SpatialObject IO

[Luke Bloy]

forwarding this back to the list in case others might find it interesting.

---------- Forwarded message ----------
From: Luke Bloy <luke.bloy at gmail.com>
Date: Tue, Jan 28, 2014 at 11:12 PM
Subject: Re: [ITK Community] [Insight-users] SpatialObject IO
To: Luis Ibanez <luis.ibanez at kitware.com>


Hi Luis,

take a look at https://github.com/bloyl/itkSpatialObjectWriters, I've added
you as a collaborator.

It still needs to support other SpatialObject classes. I plan on adding
itkBoxSpatialObject support as I have a need for it. I also want to add
support for both the spatialObjects world Transforms as well as an
additional transform, as well as adding attaching some metadata such as
name or id.

Let me know what you think.
Best,
Luke


On Mon, Jan 27, 2014 at 2:53 PM, Luis Ibanez <luis.ibanez at kitware.com>wrote:

> Hi Luke,
>
> Yes, I see your point.
>
> What comes to mind is to write a specialized Writer class that could
> take as input a GroupSpatialObject, and inspect it for the presence
> of itkLineSpatialObjects, then proceed to write them out as .vtk files.
>
> It wouldn't fit initially into the IO Spatial framework (since that
> addresses
> a much more generic case), but would allow you to address the
> immediate issue at hand.
>
> It could also be later transformed into a writer of GCode files,
> and in this way provide dual use for supporting basic 3D printing   ;-)
>
> Please let us know if you would like to take a cut at writing such class,
> maybe a:
>
>                  itkGroupSpatialObjectVTKPolyLineWriter
>
> we will be happy to assist you in the process.
>
>
>     Thanks
>
>
>            Luis
>
>
>
>
> On Thu, Jan 23, 2014 at 1:11 PM, Luke Bloy <luke.bloy at gmail.com> wrote:
>
>> Hi Luis,
>>
>> Thanks for the response.
>>
>> So what you proposed is done. At least a method for converting
>> LineSpatialObjects to vtkPolyLines has been written. but I make use of vtk
>> objects and writers, so while it solves my problem I don't see an easy way
>> to fit it into ITK? At least at the IO level, which is where it would be
>> useful. A possible work around would be to add a class to vtkGlue that
>> would convert a SpatialObject to a vtkPolydata? That being said maybe there
>> isn't a lot of need for spatialObject to vtk compatibility?
>>
>> -Luke
>>
>>
>>
>>
>> On Thu, Jan 23, 2014 at 9:10 AM, Luis Ibanez <luis.ibanez at kitware.com>wrote:
>>
>>> Hi Luke
>>>
>>>
>>> On Mon, Jan 20, 2014 at 3:25 PM, Luke Bloy <luke.bloy at gmail.com> wrote:
>>>
>>>>
>>>> I'm not sure how miserable it would be to have the SpatialObjectWriter
>>>> support vtk output? It seems like that would be an ideal situation if it
>>>> were possible.
>>>>
>>>>
>>>>
>>> I agree with you.
>>> It will certainly be very useful.
>>>
>>> I would guess that writing a couple of special cases will be relatively
>>> easy,
>>> and that writing the generic case (that can manage any SpatialObject)
>>> will be an interesting challenge.
>>>
>>> So, following the agile philosophy, it sounds like a good idea to write
>>> the
>>> special case for writing out the LineSpatialObject (which should be
>>> relatively
>>> simple), and then later grow from there.
>>>
>>> This will also take care of the current itch   :-)
>>>
>>> If you would like to give it a try at writing that initial class,
>>> we will be happy to assist you.
>>>
>>>
>>>      HTH
>>>
>>>
>>>            Luis
>>>
>>>
>>>
>>
>
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