[maplab-users] Map doesn't appear in the map-extent

[kgrootendorst at baird.com]

Bimal,
It's critical that you change your extents to match the data you want to 
show.
For example, I've built an application that shows all the Great Lakes 
(Canada-USA) in a 'lat-long' coordinate system.
In my map file, I've defined the extents as:

EXTENT -93 38 -74 51  #xmin ymin xmax ymax  NAD 83

If my shapefile is not in this extent (like a shapefile of India), I will 
not see it.

Also, you don't have to define a projection in your map file, as long as 
all your input datasets have the same spatial reference.
If you plan to reproject on the fly, then you will have to define this 
parameter.

Kevin
______________________________



Bimal Achary <bimal.achary at gmail.com> 
Sent by: maplab-users-bounces at lists.maptools.org
06/08/2005 06:58 AM
Please respond to
Bimal Achary <bimal.achary at gmail.com>


To
maplab-users at lists.maptools.org
cc

Subject
[maplab-users] Map doesn't appear in the map-extent






Hi All,

        I'm a new user of MapLab-2.2.I belongs to India.

I have created a map file named "test.map". where i want to add india
as a layer.I'm getting every thing correct(Like legend bar,scale
bar,tools etc) but not getting any view on the map extent.

My shape file is not in any projection system .This is simply 
geo-referenced.

Also i'm not providing any projection system for this.have i to define 
it??

I have taken the Map extents as it was in the tutorial map file .Have
i to change this as per the geo-graphic location(though i don't think
so).

Any-thing wrong am i doing??Kindly tell me the procedure to correct it.

Thanks to all in advance for the supports.

Regards,
Bimal Pr.Achary.
GIS Software Engineer
UNDP,Orissa
India

_______________________________________________
Maplab-users mailing list
Maplab-users at lists.maptools.org
http://lists.maptools.org/mailman/listinfo/maplab-users

-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.maptools.org/pipermail/maplab-users/attachments/20050608/b06b6233/attachment.html