[mapserver-users] Really general question about Mapfiles and GetMaprequests

[Fawcett, David]

Robert, 
 
For GetMap, height and width are measured in pixels.  
 
I would like to just point you to
http://www.opengeospatial.org/standards/wms  , but nothing is
particularly easy to glean from the OGC...  Plus, I will have to put in
a request to my Attorney General staff before I can click through the
giant legal agreement required to view the WMS spec.  Seriously, what
the #$%&!
 
 
 
For the map file info, look here:  http://mapserver.org/mapfile/map.html
>From that page: 
 
SIZE [x][y]
Size in pixels of the output image (i.e. the map).
 
RESOLUTION [int]
Sets the pixels per inch for output, only affects scale computations and
nothing else, default is 72.
 
I don't believe that SIZE comes into play when you are requesting a
layer as WMS because you are required to specify height and width in
your getMap request.
 
 
 
 
 
 
 

	-----Original Message-----
	From: mapserver-users-bounces at lists.osgeo.org
[mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of Robert
Hicks
	Sent: Friday, May 29, 2009 10:36 AM
	To: mapserver-users at lists.osgeo.org
	Subject: [mapserver-users] Really general question about
Mapfiles and GetMaprequests
	
	
	In a GetMap request what are the arguments 'height' and 'width'
measured in? Pixels? 
	
	
	Also what does changing RESOLUTION and SIZE in a mapfile
actually do?

	MAP
	  ...

	    RESOLUTION 300

	    SIZE 1667 1667

	  ...

	END


	Thanks! 

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