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

Posted by Herbie on
URL: http://imagej.273.s1.nabble.com/Bug-when-reading-RGB-TIFF-files-with-ROWSPERSTRIP-1-tp5020468p5020503.html

Mark,

your image "test_rgb2_002.tif" opens the same with BioFormats and SCIFIO
as a 3-channel (8bit each) image.

As you've mentioned, image "test_rgb2_002.tif" is a achromatic picture,
i.e. all channels have signals.

Please use the color channel tool to confirm my investigations on your side.

HTH

Herbie

:::::::::::::::::::::::::::::::::::::::::
Am 17.04.18 um 16:35 schrieb Mark Rivers:

> Hi Herbie,
>
>
> Thanks for checking.
>
>
> I don't understand why it would say that blue is empty, it should not be.
>
>
> What happens if you open test_rgb2_002.tif?  Is it gray?  If so then blue cannot be empty or one would not get gray.
>
>
> The latest Fiji uses ImageJ2?
>
>
> Thanks,
>
> Mark
>
>
>
> ________________________________
> From: Herbie <[hidden email]>
> Sent: Tuesday, April 17, 2018 9:25 AM
> To: Mark Rivers
> Subject: Re: Bug when reading RGB TIFF files with ROWSPERSTRIP=1
>
> Mark,
>
> I just opened your image "test_rgb2_001.tif" in Fiji* with SCIFIO and it
> opens visually correct but as 3-channel image, again with an empty third
> channel (blue).
>
> So I see no advantage compared to BioFormats.
>
> Regards
>
> Herbie
>
> PS: No need to compile ImageJ-2 just use Fiji.
>
> :::::::::::::::::::::::::::::::::::::::::
> Am 17.04.18 um 15:36 schrieb Mark Rivers:
>> 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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