[Vv] Landmarks bug in vv

[Benoît Presles]

Hi Thomas,

Did you have a chance to look at the landmark issue ?

Thanks for your help,
Ben


On 18/01/17 13:36, Benoît Presles wrote:
> Dear Thomas,
>
> I have just performed some tests with the last commit of the master 
> branch and unfortunately I am still experiencing some issues.
> My tests are performed on the same image as before: when you add a 
> landmark with the space bar I can now see the cross representing the 
> landmark but its coordinates are wrong in the "landmarks panel".
> It seems that it does not take into account the TransformMatrix from 
> the image header.
>
> Thanks for your help,
> Best regards,
> Ben
>
>
> On 09/01/17 14:56, Thomas BAUDIER wrote:
>>
>> Hi Benoit,
>>
>> Thanks for your feedback.
>> I think it's ok with the new commits on the master branch.
>>
>> Thomas
>>
>> On 2017-01-07 11:59, Benoit Presles wrote:
>>> Dear all,
>>>
>>> I recently wanted to add landmarks to a 3D mhd image with the 
>>> following header:
>>> ObjectType = Image
>>> NDims = 3
>>> BinaryData = True
>>> BinaryDataByteOrderMSB = False
>>> CompressedData = False
>>> TransformMatrix = 1  0  0  0  1  0  0  0  -1
>>> CenterOfRotation = 0  0  0
>>> AnatomicalOrientation = RAI
>>> Offset = 0  0  0
>>> ElementSpacing = 0.625  0.625  2.5
>>> DimSize = 512  512  121
>>> ElementNumberOfChannels = 1
>>> ElementType = MET_SHORT
>>> ElementDataFile = copd1_eBHCT.img
>>>
>>> As you can see, the TransformMatrix flips the z axis. With this
>>> transformation matrix, I cannot add landmarks (pressing the space bar)
>>> to the image.
>>> In the file vvSlicerManager.cxx, in the function "void
>>> vvSlicerManager::AddLandmark(float x,float y,float z,float t)", vv
>>> never enters in the if.
>>>
>>> I tried with some other TransformMatrix like 1  0  0  0  1  0 0  0
>>> 0.5 and it works fine.
>>>
>>>
>>> Thanks for your help,
>>> Best regards,
>>> Ben
>>>
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>>> vv at creatis.insa-lyon.fr
>>> http://www.creatis.insa-lyon.fr/mailman/listinfo/vv
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