[mapguide-users] WHAT IS WMS and WFS?

[Bart van den Eijnden (OSGIS)]

WMS and WFS are OpenGIS standards, published by the Open Geospatial
Consortium (OGC). It is a standardized protocol for the exchange of maps
as images (WMS) and in the form of vector data (WFS).

So WMS only delivers images, using WFS you can also get the actual vector
data, mostly in GML format. GML is Geography Markup Language, an XML based
format for geographic data.

WMS and WFS use HTTP GET and POST.

The advantage ofcourse is that this protocol is not dependent on the
vendor you use, so a WMS client can talk to ESRI ArcIMS, Mapguide etc.
etc. (ofcourse in practice there are always some problems most of the
time).

Check the www.opengeospatial.org site for the PDF documents of the
specifications.

Best regards,
Bart

>
> I am very new to mapguide .
> I have sucessfully created map /layout etc in mapguide studio and am able
> to
> view them in the browser. i use shp files to publish map.
>
>  I wanted to learn more about WMS and WFS. as of now i have no idea at al
> what it is . i would like to learn from the scratch. I had recently
> attended
> a interview and i was blank when the person asked me - What do you know
> about WMS and WFS?
>
>  What is WMS and WFS ? how is it useful in mapguide?
>
>   Please get me started. I searched some tutorials but could not quite
> understand any thing other that they stand for  Web Map Service and Web
> Feature Service.
>
>  Please give me some reference , where should i start from.
>
>  I am new to GIS , but i have worked a lot on ASP and VB
>
>
>  -Thanks
> GS
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