[vtkusers] vtk.js volumeController transferFunctions

[Sebastien Jourdain]

That sounds like a good idea.

On Mon, Sep 24, 2018 at 9:41 AM Richard Frank <rickfrank at me.com> wrote:

> Perhaps at instantiation time for the volumeController as an optional
> parameter? If there’s none passed in use defaults otherwise use what’s
> passed in? I can take a try at it...
>
>  Rick
>
> Sent from my iPad
>
> On Sep 24, 2018, at 11:34 AM, Sebastien Jourdain <
> sebastien.jourdain at kitware.com> wrote:
>
> Yes but I think it will still be too late. That's why having an option to
> refresh that list in the UI will be needed. Unless we compute it at
> instantiation time.
>
> On Mon, Sep 24, 2018 at 9:30 AM Richard Frank <rickfrank at me.com> wrote:
>
>> Ah I see, and I will have to add my presets before the volume corner
>> loads them, it would seem, is that correct?
>>
>> Thanks
>>
>> Rick
>>
>> Sent from my iPad
>>
>> On Sep 24, 2018, at 11:23 AM, Sebastien Jourdain <
>> sebastien.jourdain at kitware.com> wrote:
>>
>>
>> https://github.com/Kitware/vtk-js/blob/master/Sources/Rendering/Core/ColorTransferFunction/ColorMaps.js#L25-L46
>>
>> On Mon, Sep 24, 2018 at 9:21 AM Richard Frank <rickfrank at me.com> wrote:
>>
>>> I do t see the methods to add presets ( sorry if I missed it, C++ guy
>>> still getting up to speed on JS)....
>>>
>>> Can you point me to them?
>>>
>>> Thanks,
>>>
>>> Rick
>>>
>>> Sent from my iPad
>>>
>>> On Sep 24, 2018, at 10:27 AM, Sebastien Jourdain <
>>> sebastien.jourdain at kitware.com> wrote:
>>>
>>> I'm guessing you are talking about the LookupTable preset which are used
>>> here to fill that list only once.
>>>
>>> https://github.com/Kitware/vtk-js/blob/master/Sources/Interaction/UI/VolumeController/index.js#L15
>>>
>>> To adjust its content just create an alias in you application to
>>> override the imported file to be what you want.
>>>
>>> Or add methods do allow dynamic re-computation of that list (on the UI
>>> side) since we already have methods to add or remove presets.
>>>
>>> On Sun, Sep 23, 2018 at 4:16 PM Richard Frank via vtkusers <
>>> vtkusers at public.kitware.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> Is there a way to modify the list of transfer functions in the
>>>> volumeController?
>>>>
>>>> We'd like to at least add our own to the list...
>>>>
>>>> Thanks
>>>>
>>>> Rick
>>>>
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