Hi,
What do you mean with “explicit x/y statements?”
Here is an excerpt from the WMS 1.3.0 standard, section 6.7.4:
EXAMPLE 1 A <BoundingBox> metadata element for a Layer representing the entire
Earth in the CRS:84 Layer CRS
would be written as
<BoundingBox CRS="CRS:84" minx="-180" miny="-90" maxx="180" maxy="90">.
A BBOX parameter requesting a map of the entire Earth would be written in this
CRS as
BBOX=-180,-90,180,90.
EXAMPLE 2 A <BoundingBox> representing the entire Earth in the EPSG:4326 Layer
CRS would be written as
<BoundingBox CRS="EPSG:4326" minx="-90" miny="-180" maxx="90" maxy="180">.
A BBOX parameter requesting a map of the entire Earth would be written in this
CRS as
BBOX=-90,-180,90,180.
For me it seems that Geoserver follows the standard literally.
-Jukka Rahkonen-
Lähettäjä: Jonathan Moules [mailto:jonathan-li...@lightpear.com]
Lähetetty: 10. joulukuuta 2017 20:57
Vastaanottaja: geoserver-users@lists.sourceforge.net
Aihe: [Geoserver-users] CRS84, EPSG4326, and min/max x/y
Hi List,
While browsing public services, I came across a public GeoServer instance
(v2.9.1) that has this in its WMS GetCapabilities:
<CRS>EPSG:4326</CRS><CRS>CRS:84</CRS>
<EX_GeographicBoundingBox><westBoundLongitude>-180.0000036</westBoundLongitude><eastBoundLongitude>180.0000036</eastBoundLongitude><southBoundLatitude>-90.0000018</southBoundLatitude><northBoundLatitude>-59.9999988</northBoundLatitude></EX_GeographicBoundingBox>
<BoundingBox CRS="CRS:84" minx="-180.0000036" miny="-90.0000018"
maxx="180.0000036" maxy="-59.9999988"/>
<BoundingBox CRS="EPSG:4326" minx="-90.0000018" miny="-180.0000036"
maxx="-59.9999988" maxy="180.0000036"/>
The CRS:84 that's advertised has an invalid minx/maxx.
I know that EPSG:4326 and CRS:84 are the same except 4326 is lat/lon, and 84 is
lon/lat, but why is GeoServer swapping the CRS:84 values around for explicit
x/y statements?
Cheers,
Jonathan
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