[MetaCRS] CS-Map: policy for changing coordinate system/datum/transformation definitions in place

Hugues Wisniewski hugues.wisniewski at autodesk.com
Wed Oct 2 08:30:58 PDT 2013


Hi Raven,

I'd say your assumption is right.
I don't recall the history behind this.
I'll investigate and get back to you when I have the info.

Hugues

From: metacrs-bounces at lists.osgeo.org [mailto:metacrs-bounces at lists.osgeo.org] On Behalf Of Raven Kopelman
Sent: Tuesday, October 01, 2013 11:03 PM
To: metacrs at lists.osgeo.org
Subject: [MetaCRS] CS-Map: policy for changing coordinate system/datum/transformation definitions in place

Hi all,

In r2193 NAD83_to_HARN/02 was changed in place to use the correct grid files.

I was under the impression that in-place changes were not allowed; that we would always deprecate the bad definition and create a new one.  Certainly this has been the recent approach when hundreds of datums/systems/transformations with bad transformation rotation signs were replaced.

Was NAD83_to_HARN/02 an oversight or should I expect more in-place changes like this?

Thanks,
--
Raven Kopelman | Software Developer

Safe Software Inc.
T 604.501.9985 x 331
raven.kopelman at safe.com<mailto:raven.kopelman at safe.com> | www.safe.com<http://www.safe.com>
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