[Paraview] [EXTERNAL] Assign colors to brain fibers

[Moreland, Kenneth]

There is no direct way to do that in ParaView.


-Ken

On 1/9/12 8:48 AM, "Rafa x" <rromero3000 at gmail.com> wrote:

>Yes, the id is available to color by after the 5 steps. However, the
>mapColor showed is the last used in Paraview not the mapColor saved in
>the previous process. For that reason I have supposed that mapColor
>information is not saved in the vtk. Do you know some way to store the
>mapColor in the vtk file to allow that other DTI programs can
>interpret it?
>
>El día 9 de enero de 2012 16:34, David E DeMarle
><dave.demarle at kitware.com> escribió:
>> Once you:
>> 1)load original data
>> 2)apply ids filter
>> 3)select ids filter in pipeline browser
>> 4)save as Legacy VTK files,
>> and
>> 5)load that new file back in to ParaView,
>> is the new "Ids" variable not available to color by?
>>
>> David E DeMarle
>> Kitware, Inc.
>> R&D Engineer
>> 21 Corporate Drive
>> Clifton Park, NY 12065-8662
>> Phone: 518-881-4909
>>
>>
>>
>> On Mon, Jan 9, 2012 at 10:27 AM, Rafa x <rromero3000 at gmail.com> wrote:
>>>
>>> Thanks but I need like to save in a format where the 586 elements can
>>> be separately identified by other program (like .vtk). However, when I
>>> save my new colors using .vtk and after that I load the same file,
>>> using paraview too, my colors disappear. So I suppose that color
>>> information is not saved in the vtk file. Thus, I would need to save
>>> in a vtk maintaining the display showed in the paraview, Is that
>>> possible?
>>>
>>> El día 9 de enero de 2012 16:13, Moreland, Kenneth <kmorel at sandia.gov>
>>> escribió:
>>> > File -> Save Screenshot
>>> >
>>> > -Ken
>>> >
>>> >
>>> >
>>> > On 1/9/12 4:02 AM, "Rafa x" <rromero3000 at gmail.com> wrote:
>>> >
>>> >>Thank you for your quick and useful answer. It works perfectly. I
>>> >>would like to make you a final question: Can I save the image
>>> >>maintaining the colors visualization in a file format that can be
>>>read
>>> >>by other programs?
>>> >>
>>> >>El día 5 de enero de 2012 20:49, Moreland, Kenneth
>>><kmorel at sandia.gov>
>>> >>escribió:
>>> >>> Try applying the Generate Ids filter and then color the result by
>>>the
>>> >>>Ids
>>> >>> cell field (not the point field).  The colors won't exactly be
>>> >>>arbitrary,
>>> >>> but if you switch to the rainbow color map you'll get something
>>>fairly
>>> >>> close.
>>> >>>
>>> >>>
>>> >>> -Ken
>>> >>>
>>> >>> On 1/5/12 8:43 AM, "Rafa x" <rromero3000 at gmail.com> wrote:
>>> >>>
>>> >>>>Dear All,
>>> >>>>I have a .vtk file with 586 elements (DTI streamlines which
>>>represent
>>> >>>>brain fibers). I would like to represent it assigning an arbitrary
>>> >>>>color to each these 586 elements.
>>> >>>>
>>> >>>>Thank you all in advance,
>>> >>>>Rafael Romero.
>>> >>>>_______________________________________________
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>>> >>>
>>> >>>
>>> >>
>>> >
>>> >
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>>
>>
>