<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body bgcolor="#FFFFFF" text="#000000">
Ok, that means taht the "common" EPSG alias is not known. So use<br>
<br>
<span class="Apple-style-span" style="color: rgb(0, 0, 0);
font-family: 'Times New Roman'; font-style: normal; font-variant:
normal; font-weight: normal; letter-spacing: normal; line-height:
normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px;
text-transform: none; white-space: normal; widows: 2;
word-spacing: 0px; -webkit-text-decorations-in-effect: none;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;
font-size: medium; ">
<pre style="word-wrap: break-word; white-space: pre-wrap; ">PROJECTION
"proj=tmerc"
"lat_0=49"
"lon_0=-2"
"k=0.9996012717"
"x_0=400000"
"y_0=-100000"
"ellps=airy"
"datum=OSGB36"
"units=m"
"no_defs"
END</pre>
</span>instead.<br>
<br>
As for the other error, have a look at the online mapserver doc on
output formats.<br>
<br>
<pre class="moz-signature" cols="72">Best Regards,
Brent Fraser</pre>
<br>
On 9/8/2011 1:59 PM, vaibhavgarg wrote:
<blockquote cite="mid:1315511940368-6773517.post@n2.nabble.com"
type="cite">
<pre wrap="">Yes I want to use google maps as a backdrop.
When I set the projections i get a projection library error:
msProcessProjection(): Projection library error. projection not named
msOutputFormatValidate(): General error message. OUTPUTFORMAT png has
IMAGEMODE RGB/RGBA, which is not supported for GD drivers.
It doesnt understand "EPSG:27700"
--
View this message in context: <a class="moz-txt-link-freetext" href="http://osgeo-org.1803224.n2.nabble.com/Getting-blank-tiles-in-google-maps-tp6746323p6773517.html">http://osgeo-org.1803224.n2.nabble.com/Getting-blank-tiles-in-google-maps-tp6746323p6773517.html</a>
Sent from the ms4w-users mailing list archive at Nabble.com.
_______________________________________________
MS4W-Users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:MS4W-Users@lists.maptools.org">MS4W-Users@lists.maptools.org</a>
<a class="moz-txt-link-freetext" href="http://lists.maptools.org/mailman/listinfo/ms4w-users">http://lists.maptools.org/mailman/listinfo/ms4w-users</a>
</pre>
</blockquote>
</body>
</html>