[Geoserver-devel] Multiple CRS for a single Coverage

GeoServer GeoServer Developer
1

Hello Geoserver-Devel!

As part of an ongoing Geoserver related project I'm currently faced with adding a custom CRS to Geoserver for some of the data layers I will be serving. These layers will need to be queryable from either the custom CRS or EPSG:4326. Is there a way to assign two separate CRS's to a published layer or is every layer published with only one, and then all other incoming requests translated to the stored bounds? In either case, any examples demonstrating this procedure (either assigning a second CRS or performing the translation) would be deeply appreciated.

Thanks,
David Marks

2

When publishing a wms layer it can be viewed nand queried from any CRS geoserver supports. Vector data is transformed on the fly, raster dats is re sampled as required.

Is this a feature you missed or am I not understanding your question?

On Wed, Jun 3, 2015 at 12:14 PM Marks, David <David.Marks@anonymised.com> wrote:

Hello Geoserver-Devel!

As part of an ongoing Geoserver related project I’m currently faced with adding a custom CRS to Geoserver for some of the data layers I will be serving. These layers will need to be queryable from either the custom CRS or EPSG:4326. Is there a way to assign two separate CRS’s to a published layer or is every layer published with only one, and then all other incoming requests translated to the stored bounds? In either case, any examples demonstrating this procedure (either assigning a second CRS or performing the translation) would be deeply appreciated.

Thanks,
David Marks

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3

No, I understand that. The custom CRS I need to utilize does not exist within Geoserver however, so no build in transformations are known. If I cannot simply store a layer in a second coordiate space, how would I introduce a new translation/CRS??

Thanks,

David Marks

________________________________
From: Jody Garnett <jody.garnett@anonymised.com>
Sent: Wednesday, June 3, 2015 4:46 PM
To: Marks, David; Geoserver-devel
Subject: Re: [Geoserver-devel] Multiple CRS for a single Coverage

When publishing a wms layer it can be viewed nand queried from any CRS geoserver supports. Vector data is transformed on the fly, raster dats is re sampled as required.

Is this a feature you missed or am I not understanding your question?
On Wed, Jun 3, 2015 at 12:14 PM Marks, David <David.Marks@anonymised.com<mailto:David.Marks@anonymised.com>> wrote:
Hello Geoserver-Devel!

As part of an ongoing Geoserver related project I'm currently faced with adding a custom CRS to Geoserver for some of the data layers I will be serving. These layers will need to be queryable from either the custom CRS or EPSG:4326. Is there a way to assign two separate CRS's to a published layer or is every layer published with only one, and then all other incoming requests translated to the stored bounds? In either case, any examples demonstrating this procedure (either assigning a second CRS or performing the translation) would be deeply appreciated.

Thanks,
David Marks

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4

On Fri, Jun 5, 2015 at 2:29 PM, Marks, David <David.Marks@anonymised.com>
wrote:

No, I understand that. The custom CRS I need to utilize does not exist
within Geoserver however, so no build in transformations are known. If I
cannot simply store a layer in a second coordiate space, how would I
introduce a new translation/CRS??

Probably this way, assuming the projection math is actually supported by
GeoServer:
http://docs.geoserver.org/stable/en/user/advanced/crshandling/customcrs.html

Cheers
Andrea

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