Hi Matt,

we have now discussed this issue. Providing the possibility to 
give the image navigator worldcoordinates instead of slicenumbers would be a 
nice
feature. We think this should be realized in the following way:

- There must be a switch in the image navigator which tells whether the given 
coordinated are treated as world- or indexcoordinates.
- If worldcoordinates are provided they will be converted to indexcoordinates
internally by the imagenavigator.
- Because of that the crosshair is always positioned at the pixel center, 
independent
 if world- or indexcoordinates are specified.
- So there will be no inter slices interpolation neccessary.

If this is sufficient for your work and you like to help out we will be happy
about your contribution.

Regards

Andreas

On 05.10.2011, at 22:34, Clarkson, Matt wrote:

> Hi there,
> 
> I'm in no life-threatening hurry. I would like it in the next two months, but 
> if we all agreed on what needs doing, then I could consider helping out.
> 
> Thanks
> 
> Matt
> 
> 
> 
> On 5 Oct 2011, at 16:03, Alexander Seitel wrote:
> 
>> Hi Matt,
>> 
>> we need to discuss this issue internally and will come back to you next
>> week.
>> 
>> If you're in a hurry, you can use the MoveCrossToPosition() method of
>> QmitkStdMultiWidget to move the planes to a mm position. But
>> interpolation is currently not supported by default for the performed
>> reslicing. You could activate it by setting the reslice interpolation
>> property of the image to "Linear" or "Cubic".
>> 
>> If you have any questions please let us know.
>> 
>> Regards,
>> Alex
>> 
>> On Wed, 2011-10-05 at 10:08 +0200, Clarkson, Matt wrote:
>>> Hi Alex,
>>> 
>>> well, there are probably two scenarios:
>>> 
>>> 1. You display the millimetre coordinates alongside the voxel ones, but 
>>> keep the rendering aligned with voxel slices. If the user edits the 
>>> millimetre coordinates, they are rounded to the nearest whole voxel 
>>> location, thereby keeping the rendering the same as it is now.
>>> 
>>> 2.  You enable true inter-slice 3D interpolation.
>>> 
>>> To support both would probably need a preference page to switch between 
>>> behaviours, or alternatively, you assume that people who want to have their 
>>> displayed slices correspond to exact voxel planes, will only ever edit the 
>>> number of voxels, and people who want to work in true millimetres, and 
>>> hence need to see arbitrary slices will work entirely in millimetres.
>>> 
>>> I would actually be happy with option 1.  I would have thought the 
>>> rendering pipeline supports both? Is that right?
>>> 
>>> Matt
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On 5 Oct 2011, at 07:11, Alexander Seitel wrote:
>>> 
>>>> Hi Matt,
>>>> 
>>>> basically it would be a good new feature to also show mm coordinates,
>>>> especially when MITK is used outside the scope of ExtApp which provides
>>>> this information in the StatusBar. 
>>>> If I understand you correctly you would like to have a possibility to
>>>> specify the slice location in "arbitrary" mm coordinates. That would
>>>> mean we would have to leave the voxel raster of the image and provide
>>>> interpolated pixel values for displaying the chosen location. 
>>>> Is that it what you would are missing?
>>>> 
>>>> Best,
>>>> Alex
>>>> 
>>>> On Tue, 2011-10-04 at 12:16 +0200, Clarkson, Matt wrote:
>>>>> Hi there everybody,
>>>>> 
>>>>> currently the image navigator displays voxel coordinates.
>>>>> Is there any reason why millimetres could not be displayed alongside it?
>>>>> (a bit like FSLView).  Then you can either specify a slice number, or a 
>>>>> millimetre location?
>>>>> 
>>>>> Is there any interest in this?
>>>>> 
>>>>> Thanks
>>>>> 
>>>>> Matt
>>>>> 
>>>>> 
>>>>> 
>>>>> ------------------------------------------------------------------------------
>>>>> All the data continuously generated in your IT infrastructure contains a
>>>>> definitive record of customers, application performance, security
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>>>> 
>>>> 
>>>> 
>>> 
>>> 
>> 
>> 
>> 
> 
> 
> 
> ------------------------------------------------------------------------------
> All the data continuously generated in your IT infrastructure contains a
> definitive record of customers, application performance, security
> threats, fraudulent activity and more. Splunk takes this data and makes
> sense of it. Business sense. IT sense. Common sense.
> http://p.sf.net/sfu/splunk-d2dcopy1
> _______________________________________________
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> https://lists.sourceforge.net/lists/listinfo/mitk-users


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threats, fraudulent activity and more. Splunk takes this data and makes
sense of it. Business sense. IT sense. Common sense.
http://p.sf.net/sfu/splunk-d2d-oct
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