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If your intent is to use Google Maps as a backdrop, your target map
projection must be Spherical Mercator. There are a few ways to
specify this; here's one way:<br>
<br>
MAP<br>
:<br>
PROJECTION<br>
"proj=merc"<br>
"a=6378137"<br>
"b=6378137"<br>
"lat_ts=0.0"<br>
"lon_0=0.0"<br>
"x_0=0.0"<br>
"y_0=0"<br>
"k=1.0"<br>
"units=m"<br>
"nadgrids=@null"<br>
"no_defs"<br>
END<br>
<br>
Next you must tell mapserver the coordinate system of each of the
source layers. It looks like your layers are in "British National
Grid" so use:<br>
<br>
LAYER<br>
:<br>
PROJECTION<br>
"EPSG:27700"<br>
END<br>
<b></b>
<pre class="moz-signature" cols="72">Best Regards,
Brent Fraser</pre>
<br>
On 9/8/2011 11:18 AM, vaibhavgarg wrote:
<blockquote cite="mid:1315502291047-6772798.post@n2.nabble.com"
type="cite">
<pre wrap="">Thanks for your reply. I will post in the mapserver list.
Can you help me in identifying the right projection types? (extents are easy
but not the rest)
The example data is attached to the first message, which I am hoping is
helpful. I am not so well versed in projections and it is only part I am
having trouble with.
With regards,
Vaibhav G
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