Coordinate Systems used in the Netherla nds?

Eijnden, B. van den (Bart) b.vdeijnden at AGI.RWS.MINVENW.NL
Wed Feb 8 06:42:50 EST 2006


What I normally use is:

  PROJECTION
    "init=epsg:28992"
  END

And in my epsg file I use the following params:

# RD / Netherlands New
<28992> +proj=sterea +lat_0=52.15616055555555 +lon_0=5.38763888888889
+k=0.999908 +x_0=155000 +y_0=463000 +ellps=bessel +units=m
+towgs84=565.2369,50.0087,465.658,-0.406857330322398,0.350732676542563,-1.87
03473836068,4.0812 +no_defs +to +proj=latlong +datum=WGS84

Best regards,
Bart

-----Oorspronkelijk bericht-----
Van: UMN MapServer Users List
[mailto:MAPSERVER-USERS at LISTS.UMN.EDU]Namens Jelmer Baas
Verzonden: woensdag 8 februari 2006 11:45
Aan: MAPSERVER-USERS at LISTS.UMN.EDU
Onderwerp: [UMN_MAPSERVER-USERS] Coordinate Systems used in the
Netherlands?


Hello again,

I have a few questions concerning the projection of my layers in MapServer.

I'm using the StreetPro layers for the Netherlands, and from that 
documentation I found that I should use the follows as main projection 
in my Map File:

	PROJECTION
		"proj=stere"
		"lat_0=52.15616055555555"
		"lon_0=5.38763888888889"
		"k=0.999908"
		"x_0=155000"
		"y_0=463000"
		"ellps=bessel"
		"units=m"
	END


But now I also need to project some seperate TAB files (from MapInfo), 
and they are shifted to the North-East. Anyone have any ideas how to fix 
this problem? If requested I can post a screenshot.

I tried setting this layer projection to a Dutch system, but I cannot 
find which one to use (neither can I find which of them are supported by 
MapServer ;().

I tested:
+proj=Netherlands Coordinate Systems -- Unknown Projection ID
+proj=NCS -- Same

+proj=latlong +datum=Rijksdriehoekstelsel -- unknown elliptical 
parameter name
+proj=latlong +datum=Netherlands National System -- Same as above.


Can anyone provide me some pointers? I have a beautiful working map, but 
with my last layer being off by 50 meters, it's kinda useless.


Thanks!

Regards,
Jelmer Baas


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