Well, after a lot of digging today and yesterday, I finally figured out
what probably was the problem. The datatype was float32 and not float64. I
don't really understand why this is a problem, but I've read another issue
<https://gis.stackexchange.com/questions/322703/geoserver-style-for-float32-geotiff-returns-black-image>
online that mentioned float32 could cause some problems while rendering
geotiffs.
Anyway, I've tried using float64 and everything seemed to be working 😅 .
Thanks for the help,
Julien

Le lun. 10 juin 2024 à 13:58, Jody Garnett <jody.garn...@gmail.com> a
écrit :

> Thanks Julien,
>
> I am not sure what to make of stackexcahnge given their recent AI deals.
> But we do respect that it is easier for people to quickly ask a question
> without signing up to an email list. We are in the process of moving the
> user list to Discourse
> <https://github.com/geoserver/geoserver/wiki/GSIP-225> and will announce
> the change when we have good instructions ready.
>
> For specific error messages I usually:
>
>    1. Ask for the stack trace in the logs if there is one - this helps
>    find where the error occurred. So we can try and guess what it was doing 
> ...
>    2. Or searching in the codebase for that phrase: And I found it in the
>    low level "image processing library"!!
>
>    So somehow it has calculated a negative row/column reference when
>    trying to look up a data value in a raster (or a pixel value in an image).
>
>
> Q: What kind of data are you working with? And if you have a stack trace
> in your logs we may be able to learn more.
>
> --
> Jody Garnett
>
>
> On Jun 10, 2024 at 8:23:46 AM, Julien Robitaille <robitail...@ogsl.ca>
> wrote:
>
>> Hello everyone!
>> I've posted a question
>> <https://gis.stackexchange.com/questions/479846/error-with-geoserver-the-specified-dimensional-parameter-is-non-positive-when>
>> more than a month ago on stack exchange and since I didn't get any replies
>> and since this question is still relevant, I thought I would try boosting
>> its visibility here!
>> Basically, I get this error in geoserver logs: "The specified dimensional
>> parameter is non-positive" when the wms_scale_denominator in the SLD is
>> different from 1. The error causes the layer not to display at all. If the
>>  wms_scale_denominator for the requested zoom layer is 1 or if I try to
>> display the layer with the default raster style, it works fine.
>> If you have any clue of what could be wrong or what the error  "The
>> specified dimensional parameter is non-positive" means in my case, please
>> feel free to reply here or on stack exchange !
>> Any help would be greatly appreciated,
>> Cheers,
>> Julien
>>
>> --
>> [image: OGSL Logo] <https://ogsl.ca/>
>> Julien  Robitaille
>> Scientifique de données
>> Data scientist
>> [image: Facebook Logo] <https://www.facebook.com/ogsl.slgo/>    [image:
>> Twitter Logo] <https://twitter.com/ogsl_slgo/>    [image: LinkedIn Logo]
>> <https://www.linkedin.com/company/observatoire-global-du-saint-laurent---ogsl/?viewAsMember=true/>
>> _______________________________________________
>> Geoserver-users mailing list
>>
>> Please make sure you read the following two resources before posting to
>> this list:
>> - Earning your support instead of buying it, but Ian Turton:
>> http://www.ianturton.com/talks/foss4g.html#/
>> - The GeoServer user list posting guidelines:
>> http://geoserver.org/comm/userlist-guidelines.html
>>
>> If you want to request a feature or an improvement, also see this:
>> https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer
>>
>>
>> Geoserver-users@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/geoserver-users
>>
>

-- 
[image: OGSL Logo] <https://ogsl.ca/>
Julien  Robitaille
Scientifique de données
Data scientist
[image: Facebook Logo] <https://www.facebook.com/ogsl.slgo/>    [image:
Twitter Logo] <https://twitter.com/ogsl_slgo/>    [image: LinkedIn Logo]
<https://www.linkedin.com/company/observatoire-global-du-saint-laurent---ogsl/?viewAsMember=true/>
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- Earning your support instead of buying it, but Ian Turton: 
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http://geoserver.org/comm/userlist-guidelines.html

If you want to request a feature or an improvement, also see this: 
https://github.com/geoserver/geoserver/wiki/Successfully-requesting-and-integrating-new-features-and-improvements-in-GeoServer


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