In this application, that won't matter. But since in other
applications, it might, what do you mean by "using Topology"?
________________________________
From: UMN MapServer Users List
[mailto:[EMAIL PROTECTED] On Behalf Of David William Bitner
Sent: Wednesday, April 25, 2007 2:25 PM
To: [email protected]
Subject: Re: [UMN_MAPSERVER-USERS] Simplified state outline
data?
Although if you are not using Topology, this will likely lead to
lots of slivers between the states.
On 4/24/07, Aaron Racicot < [EMAIL PROTECTED]
<mailto:[EMAIL PROTECTED]> > wrote:
You can load [1] the data into PostGIS and use the
simplify function [2] to
create a simplified geometry, and even dump back to
shapefile [3] if you
wish.
[1] -
http://postgis.refractions.net/docs/ch04.html#id2707142
[2] -
http://postgis.refractions.net/docs/ch06.html#id2712912
[3] -
http://postgis.refractions.net/docs/ch04.html#id2707567
A
+----------------------------------------+
Aaron Racicot - GIS Programmer
360.221.2441 - [EMAIL PROTECTED]
+----------------------------------------+
e c o t r u s t
pobox 1614
langley wa 98260
www.ecotrust.org
+----------------------------------------+
-----Original Message-----
From: UMN MapServer Users List [mailto:
[EMAIL PROTECTED] On
Behalf Of Jeff Dege
Sent: Tuesday, April 24, 2007 3:08 PM
To: [email protected]
Subject: [UMN_MAPSERVER-USERS] Simplified state outline
data?
We have an app that needs to generate a map with state
outlines, but
needs to keep the total amount of data as small as
possible.
Fortunately, we don't need precision, a rough
approximation of the
outlines is fine.
Does anyone know of a source of approximate state
outline data?
Alternatively, does anyone know of a tool I can use to
reduce the number
of points in a geometric feature, while retaining the
general outline?
Something that would take a complicated boundary drawn
with points every
100 meters and return a simplified boundary drawn with
points every 10
kilometers?
--
************************************
David William Bitner
