Re: Bug when reading RGB TIFF files with ROWSPERSTRIP=1

Posted by ctrueden on
URL: http://imagej.273.s1.nabble.com/Bug-when-reading-RGB-TIFF-files-with-ROWSPERSTRIP-1-tp5020468p5020507.html

Hi Herbie,

> Mark's TIF-images should appear as 24bit RGB images but BioFormats and
> SCIFIO under Fiji opens them as 3-channel images.

Bio-Formats and SCIFIO never open images as 24-bit RGB. Such images always
open in composite mode. If needed, they can be converted to RGB as usual
via the Image > Type > RGB command.

Regards,
Curtis

--
Curtis Rueden
LOCI software architect - https://loci.wisc.edu/software
ImageJ2 lead, Fiji maintainer - https://imagej.net/User:Rueden
Did you know ImageJ has a forum? http://forum.imagej.net/


On Tue, Apr 17, 2018 at 11:41 AM, Herbie <[hidden email]> wrote:

> Good day Curtis!
>
> "[...] and they will open correctly."
>
> Mark's images don't open correctly, neither with BioFormats nor with
> SCIFIO under Fiji.
>
> Mark's TIF-images should appear as 24bit RGB images but BioFormats and
> SCIFIO under Fiji opens them as 3-channel images.
>
> Regards
>
> Herbie
>
> :::::::::::::::::::::::::::::::::::::::::::
> Am 17.04.18 um 17:54 schrieb Curtis Rueden:
>
>> Hi Mark,
>>
>>
>> It looks like I need ImageJ2 to try that, right?
>>>
>>
>> Yes. The easiest way to get ImageJ2 right now is to download Fiji from
>> https://fiji.sc/#download.
>>
>> Herbie wrote:
>>
>>> I see no advantage compared to BioFormats.
>>>
>>
>> The advantage is that enabling the "Use SCIFIO when opening files" option
>> will use SCIFIO for drag-and-drop and other integrated file opening
>> functions. So you can drag-and-drop these TIFF files onto the ImageJ main
>> window, and/or associate ImageJ as the default program to open them, and
>> they will open correctly.
>>
>> Regards,
>> Curtis
>>
>> --
>> Curtis Rueden
>> LOCI software architect - https://loci.wisc.edu/software
>> ImageJ2 lead, Fiji maintainer - https://imagej.net/User:Rueden
>> Did you know ImageJ has a forum? http://forum.imagej.net/
>>
>>
>> On Tue, Apr 17, 2018 at 8:36 AM, Mark Rivers <[hidden email]>
>> wrote:
>>
>> Hi Curtis,
>>>
>>> If you check the option "Use SCIFIO when opening files (BETA!)" in Edit >
>>>> Options > ImageJ2..., TIFF files will be opened using the SCIFIO
>>>> library,
>>>> which has different behavior than plain ImageJ 1.x does.
>>>>
>>>
>>> Thanks for the suggestion.  It looks like I need ImageJ2 to try that,
>>> right?  I have never tried ImageJ2, and I am having trouble figuring out
>>> how to install it.  I downloaded the latest release candidate zip from
>>> from
>>> Github (imagej-imageJ-2.0.0-rc-65) and unzipped it.  This is on Windows
>>> 10,
>>> 64-bit.  Do I need to install maven to build this?  Are there any
>>> pre-built
>>> install packages for ImageJ on Windows?
>>>
>>> Thanks,
>>> Mark
>>>
>>> --
>>> ImageJ mailing list: http://imagej.nih.gov/ij/list.html
>>>
>>>
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>>
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