[ome-users] bogus MetaXpress Wavelength?

[Melissa Linkert]

Hi Mario,

> when reading MetaXpress images (link below) with Bio-Formats 5.1.0
> I sometimes get a metadata pair 'Wavelength' = '0'. Is that read from
> the file, or where does it come from? Or is it a default setting that
> indicates something (like 'unable to parse wavelength' or so)?
> 
> The image I used is here:
>     http://data.marssoft.de/bBB03-1A_wL10_s03_z1_t1_cDAPI_u001.tif

'0' is the value stored in the file for the 'Wavelength' key.  The value
is read here:

https://github.com/openmicroscopy/bioformats/blob/develop/components/formats-gpl/src/loci/formats/in/MetamorphReader.java#L1560

an added to the metadata table here:

https://github.com/openmicroscopy/bioformats/blob/develop/components/formats-gpl/src/loci/formats/in/MetamorphReader.java#L1684

The reader does not change the wavelength values, so this is likely a
default value coming from MetaXpress.

Regards,
-Melissa

On Sun, Apr 26, 2015 at 12:19:28PM +0200, Mario Emmenlauer wrote:
> 
> Dear Bio-Formats developers,
> 
> when reading MetaXpress images (link below) with Bio-Formats 5.1.0
> I sometimes get a metadata pair 'Wavelength' = '0'. Is that read from
> the file, or where does it come from? Or is it a default setting that
> indicates something (like 'unable to parse wavelength' or so)?
> 
> The image I used is here:
>     http://data.marssoft.de/bBB03-1A_wL10_s03_z1_t1_cDAPI_u001.tif
> 
> All the best,
> 
>      Mario Emmenlauer
> 
> 
> 
> 
> 
> 
> -- 
> Mario Emmenlauer BioDataAnalysis             Mobil: +49-(0)151-68108489
> Balanstrasse 43                    mailto: mario.emmenlauer * unibas.ch
> D-81669 München                          http://www.marioemmenlauer.de/
> 
> 
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