[mapserver-users] mapserver with kml

Thu Dec 14 06:08:43 PST 2017

Hi,

Geoservers have KML output enabled by default so you can have a try with clients.  Test-URL

http://demo.geo-solutions.it/geoserver/wms?REQUEST=GetMap&SERVICE=WMS&VERSION=1.1.1&WIDTH=1373&HEIGHT=840&LAYERS=topp%3Astates&TRANSPARENT=TRUE&FORMAT=application/vnd.google-earth.kml+xml&BBOX=-124.731422,19.49461526802622,-66.969849,54.83308673197378&SRS=EPSG:4326&STYLES=

WMS 1.3.0 does not say anything about GetMap formats, just that they must appear in GetCapabilities, and all formats that appear in GetCapabilities must also be usable.

-Jukka Rahkonen-

Lähettäjä: Seth G [mailto:sethg at geographika.co.uk]
Lähetetty: 14. joulukuuta 2017 14:56
Vastaanottaja: Rahkonen Jukka (MML) <jukka.rahkonen at maanmittauslaitos.fi>; mapserver-users at lists.osgeo.org
Aihe: Re: [mapserver-users] mapserver with kml

Interesting!

From the WMS spec: "Graphic element formats include Scalable Vector Graphics (SVG; MIME type “image/svg+xml”) or Web Computer Graphics Metafile (WebCGM; MIME type “image/cgm;Version=4;ProfileId=WebCGM”) formats"

I wonder how many WMS clients would handle KML as a WMS. As it is XML then it would't be accessible from another domain in a web client.

Ivan's problem looks to be a projection issue only.

Seth

--
web:http://geographika.co.uk
twitter: @geographika

On Thu, Dec 14, 2017, at 10:42 AM, Rahkonen Jukka (MML) wrote:

Hi Seth,

KML is considered as an image format and it should work with WMS and with mode=map http://mapserver.gis.umn.edu/fr/development/rfc/ms-rfc-58.html

It seems that KML output has not been developed much since the initial implementation.

-Jukka Rahkonen-

Lähettäjä: mapserver-users [mailto:mapserver-users-bounces at lists.osgeo.org] Puolesta Seth G
Lähetetty: 14. joulukuuta 2017 10:03
Vastaanottaja: mapserver-users at lists.osgeo.org<mailto:mapserver-users at lists.osgeo.org>
Aihe: Re: [mapserver-users] mapserver with kml

Hi,

Your output image looks like a projection issue. Google Maps use the espg:3857 projection, but your request is asking for SRS=epsg:4326, maybe try changing this?

Also are you trying to return KML or display an image using KML as a data source? If you are trying to return KML you'd need to use WFS rather than WMS which only returns images.

Seth

--

web:http://geographika.co.uk

twitter: @geographika

On Thu, Dec 14, 2017, at 01:33 AM, Ivan Ogasawara wrote:

Dear all,

Anyone knows some tutorial to work with mapserver (wms) and kml?

I am trying to do it .. but with no success.

this is the local url used:

http://172.17.0.2/?map=/maps/dengue-Rio-de-Janeiro.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=RIO_DE_JANEIRO&STYLES=&SRS=epsg:4326&BBOX=-43.7965385309,-23.0828926973,-43.0990394004,-22.7460202858&WIDTH=400&HEIGHT=300&FORMAT=kml.map&SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&LAYERS=RIO_DE_JANEIRO&STYLES=&SRS=epsg:4326&BBOX=-43.7965385309,-23.0828926973,-43.0990394004,-22.7460202858&WIDTH=400&HEIGHT=300&FORMAT=kml

for image/png works fine (tested with leaflet).

Any tips?

Files:

* mapfiles:

  * https://pastebin.com/4EkahMZi

  * https://pastebin.com/DVSt4mmS

* kml: https://pastebin.com/LYkD4ZDL

* Result: https://user-images.githubusercontent.com/5209757/33969313-f7029096-e042-11e7-8621-e8235f0bd5ce.png

Thanks!

My best regards,

Ivan

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