http://imagej.273.s1.nabble.com/Plugin-for-compiling-all-plugins-tp5003613p5003984.html
> Hi Peter,
>
>> My idea was to use 8bit LUTs in 16bit TIFF files.
>> Maybe this is already possible and I just mist some ImageJ options.
> Sorry if my long-winded response made it unclear. In brief:
>
> * It is not possible with ImageJ
> * It is not possible with the TIFFs at all
> * It is not possible with PNGs, or *any* other graphics format I know of
>
> Regards,
> Curtis
>
>
> On Sun, Jul 7, 2013 at 1:05 AM, Peter Haub <
[hidden email]> wrote:
>
>> Thanks Nikolay
>> and Thanks Curtis
>> for your detailed feedback.
>>
>> My idea was to use 8bit LUTs in 16bit TIFF files.
>> Since ImageJ offer 8bit LUT support for displayed 16bit images and since
>> 16bit images are mapped to 8bit during opening in ImageJ I thought that it
>> could also be possible to save the 8bit LUT in the 16bit TIFF and to apply
>> it during opening.
>>
>> Maybe this is already possible and I just mist some ImageJ options.
>>
>> Regards,
>> Peter
>>
>>
>>
>> On 26.06.2013 18:56, Curtis Rueden wrote:
>>
>>> Hi Nikolay & everyone,
>>>
>>> I don't think it is possible to save TIFF with LUT inside the file.
>>> You can, but only for 8-bit indices. See the TIFF6 specification [1], Part
>>> 1, Section 5: "Palette-color Images". You can save such indexed color
>>> images using ImageJ's File > Save As > TIFF, or using the Bio-Formats
>>> Exporter plugin [2].
>>>
>>> However, if you have 16-bit indices, TIFF does not support that. The funny
>>> thing is that TIFF's ColorMaps are actually 8-bit indices into 48-bit RGB
>>> triples (so each of red, green and blue range from 0-65535). But that is
>>> the "wrong direction" if you want to have a color table with 65536
>>> elements
>>> mapped to either 24-bit or 48-bit RGB triples.
>>>
>>> Unfortunately, I do not know of any general image formats that support
>>> 16-bit color tables. There are some proprietary microscopy formats that
>>> do,
>>> and Bio-Formats supports importing them, but will not export to such
>>> formats. Neither of the two most promising common graphics formats, TIFF
>>> and PNG, support it.
>>>
>>> For ImageJ2 we can add some custom metadata to the TIFF (like ImageJ1 does
>>> for hyperstacks), to preserve the LUTs. But then they would only be
>>> written
>>> & read by SCIFIO-based software [3], not all image processing software.
>>>
>>> Regards,
>>> Curtis
>>>
>>> [1]
http://partners.adobe.com/**public/developer/en/tiff/**TIFF6.pdf<
http://partners.adobe.com/public/developer/en/tiff/TIFF6.pdf>
>>> [2]
http://fiji.sc/Bio-Formats>>> [3]
http://scif.io/>>>
>>>
>>> On Wed, Jun 26, 2013 at 7:24 AM, Nikolay Rogoshchenkov
>>> <
[hidden email]>wrote:
>>>
>>> I don't think it is possible to save
>>>> TIFF<
http://en.wikipedia.org/**wiki/Tagged_Image_File_Format<
http://en.wikipedia.org/wiki/Tagged_Image_File_Format>
>>>>> **with LUT
>>>> inside the file.
>>>>
>>>> --
>>>> Rogoshchenkov Nikolay
>>>>
>>>>
>>>> On Wed, Jun 26, 2013 at 5:01 AM, Peter Haub <
[hidden email]> wrote:
>>>>
>>>> Dear List,
>>>>> in ImageJ (1.47q) I saved a 16bit TIF image with a Color-LUT.
>>>>>
>>>>> Problem: The LUT will not be stored in the file.
>>>>>
>>>>> Is the a something I can fix with configuration settings, is this
>>>>> feature
>>>>> not supported in ImageJ or is this not an option in the TIF format?
>>>>>
>>>>> Peter
>>>>>
>>>>> --
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>>>>> <
>>>>>
>>>>
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>>>
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