Reprojection in the WMS

Description

This should be one of the main tasks of 1.3. All the major WMSes offer good reprojection. We have all the code to do this, it just needs to be hooked up to the requests (make use of it in the geotools query in the get map response). And then we just need to properly advertise the reprojections that we can do in the capabilities document. If this doesn't get in for 1.3-rc1 I would be fine for it in an rc2 or 1.3.0. But I think it should definitely be in for 1.3, if WMS is our focus. And 90% of the coding is done, as udig already does this.

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codehaus
April 10, 2015, 4:18 PM

CodeHaus Comment From: dblasby - Time: Mon, 14 Mar 2005 18:22:14 -0600
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<p>I've poked around doing CRS stuff for the "generate BBox" button in the

FeatureType editor (STRUTs configuration stuff).</p>

<p>I used the .properties file EPSG definitions. Unfortunately, this does

NOT have enough information in it do an ellipsoid transformation.</p>

<p>Martin says (see "CRS - Bursa wolf parameters required." in the geotools

devel list) that we need more information that MAY be in the database

version of the EPSG codes.</p>

<p>Unfortunately, this means we need to have an embedded database (hsqldb

probably) inside geoserver (or geotools) to manage the epsg

information.</p>

<p>This is assuming that the ellipsoid xform stuff ("Bursa wolf

parameters") actually is in the epsg database. If its not, then we

need to have an alternative method for doing the xform (ie.

NADCONTransform). Or try to pull code out of PROJ.4.</p>

<p>So, reprojection maybe contrained to be only valid for projections with

the same ellipsoid for a while!!!</p>

<p>dave</p>

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codehaus

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