[Qgis-user] working with ARC REST Image service, incompatibility with QGIS 3.40.7

[John Hooven]

Thanks.

We were able to do a low-tech work around with georeferencer for our project.  Enough for a visual representation, just a loss of the data for calculations.  But, in this instance, not a loss.

JH

-----Original Message-----
From: QGIS-User <qgis-user-bounces at lists.osgeo.org> On Behalf Of Tobias Schula via QGIS-User
Sent: Saturday, May 24, 2025 6:04 AM
To: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] working with ARC REST Image service, incompatibility with QGIS 3.40.7

Hi John!

On Saturday, 24 May 2025, 11:39:53 CEST John Hooven via QGIS-User wrote:
> We have a colleague trying to link to the following with QGIS for a 
> heat island assessment:
> 
> https://tiledimageservices1.arcgis.com/QWdNfRs7lkPq4g4Q/arcgis/rest/se
> rvices
> /LST_Sum221/ImageServer

> Any information that may assist would be appreciated.


See this tread: 
> https://lists.osgeo.org/pipermail/qgis-user/2025-March/055376.html

QGIS doesn't support most ArcGIS Image services, it can and will only request the base image. In your case not even that. The plugin you've mentioned is sadly no longer updated and won't work with recent QGIS and modern Python. You can try to make it work with QGIS 3.6, process the data and later continue your project in QGIS 3.36 or 3.40.

There are multiple bug reports on ArcGIS REST services:
> https://github.com/qgis/QGIS/issues?
q=state%3Aopen%20label%3A%22ArcGIS%20REST%20provider%22

A quote from Nyall Dawson, one of the core QGIS developers in the above
thread:
> I also agree that this is an important missing capability in QGIS.
> This would be a FANTASTIC opportunity for an interested  
>user/organisation to fund (or group of interested parties), as it 
>really needs to be implemented at a core level within QGIS and not as a 
>plugin.

So, tl,dr: you need to get some funding to pay a QGIS developer to implement these missing features. You can skim through this mailing list, stackexchange and the bugreports to find other users that are affected. Maybe you can scratch up some funds together. And always think about, how much money you're already saving by not subscribing to ESRI!


Best regards

--
Tobias A Schula
Forestry Expert

geospatial at schula.org


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