[mapserver-users] Is mode=tile always epsg:3857?
Jeff McKenna
jmckenna at gatewaygeomatics.com
Tue Oct 27 05:47:07 PDT 2020
Thanks Rich and Mike, I've done some more local tests and given some
much needed love to the mode=tile documentation, so hopefully these
questions are prevented in the future. Let me know if you notice
anything else. https://mapserver.org/output/tile_mode.html
-jeff
--
Jeff McKenna
MapServer Consulting and Training Services
co-founder of FOSS4G
http://gatewaygeo.com/
On 2020-10-24 3:43 p.m., Richard Greenwood wrote:
> Thanks Mike!
>
> On Sat, Oct 24, 2020 at 11:35 AM Michael Smith
> <michael.smith.erdc at gmail.com <mailto:michael.smith.erdc at gmail.com>> wrote:
>
> Rich,____
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> Looking at mode=tile, yes, it sets it to spherical Mercator____
>
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> https://github.com/MapServer/MapServer/blob/master/maptile.c#L259____
>
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> *From: *mapserver-users <mapserver-users-bounces at lists.osgeo.org
> <mailto:mapserver-users-bounces at lists.osgeo.org>> on behalf of
> Richard Greenwood <richard.greenwood at gmail.com
> <mailto:richard.greenwood at gmail.com>>
> *Date: *Saturday, October 24, 2020 at 1:22 PM
> *To: *mapserver <mapserver-users at lists.osgeo.org
> <mailto:mapserver-users at lists.osgeo.org>>
> *Subject: *[mapserver-users] Is mode=tile always epsg:3857?____
>
> __ __
>
> I'm trying to generate vector tiles in a non epsg:3857 (web
> mercator) projection but it looks to me like mapserver is treating
> it as 3857 despite passing a srs. ____
>
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> My request generated by OpenLayers at the full map extent is:____
>
>
> /cgi-bin/mapserv?map=mvt.map&SRS=EPSG:3738&mode=tile&tile=0+0+0&layers=ownership&map.imagetype=mvt____
>
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>
> My extents are: 1622000 639000 2308000 1284700____
>
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> My mapserver log looks like:____
>
> [Sat Oct 24 11:10:58 2020].947687 msTileSetParams():
> tile_metatile_level = 0
> [Sat Oct 24 11:10:58 2020].947690 msTileSetExtent(): gmaps coords
> (x: 0, y: 0, z: 0)
> [Sat Oct 24 11:10:58 2020].947692 msTileSetExtent(): gmaps
> metacoords (x: 0, y: 0, z: 0)
> [Sat Oct 24 11:10:58 2020].947695 msTileSetExtent(): base image size
> (256 x 256)
> [Sat Oct 24 11:10:58 2020].947697 msTileSetExtent(): buffered image
> size (256 x 256)
> [Sat Oct 24 11:10:58 2020].947700 msTileSetExtent (-19959236.823047,
> -19959236.823047) (19959236.823047, 19959236.823047)
> ____
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> There's obviously something that I'm not getting...____
>
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>
> -- ____
>
> Richard W. Greenwood, PLS
> www.greenwoodmap.com <http://www.greenwoodmap.com>____
>
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