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List:       fdo-users
Subject:    RE: [fdo-users] Coordinate transformations for FDO
From:       Gavin Cramer <gavin.cramer () autodesk ! com>
Date:       2009-09-14 15:30:59
Message-ID: 800886C2A4A73E44BA0FE45152C023705D6D931162 () ADSK-NAMSG-02 ! MGDADSK ! autodesk ! com
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There is also a tool in the FdoSpatial package called FdoSpatialGeometryConverter.  \
It is a dummy implementation that calls an ordinate converter (that the developer \
supplies, such as by invoking a coordinate transformer) on all positions in FDO \
geometry types.

The FDO code is in http://svn.osgeo.org/fdo/trunk/Fdo, and the FdoSpatial header file \
of interest is http://svn.osgeo.org/fdo/trunk/Fdo/Unmanaged/Inc/Spatial/SpatialGeometryConverter.h \
.

Gavin


-----Original Message-----
From: fdo-users-bounces@lists.osgeo.org [mailto:fdo-users-bounces@lists.osgeo.org] On \
                Behalf Of Greg Boone
Sent: Monday, September 14, 2009 10:55 AM
To: FDO Users Mail List
Subject: RE: [fdo-users] Coordinate transformations for FDO

Take a look at the MapGuide OS code base:

Coordinate System Package: \
http://trac.osgeo.org/mapguide/browser/trunk/MgDev/Common/CoordinateSystem Geometry \
Package: http://trac.osgeo.org/mapguide/browser/trunk/MgDev/Common/Geometry

You can access through SVN at: http://svn.osgeo.org/mapguide/trunk/MgDev

Greg


-----Original Message-----
From: fdo-users-bounces@lists.osgeo.org [mailto:fdo-users-bounces@lists.osgeo.org] On \
                Behalf Of STEPHEN STANTON
Sent: Thursday, September 10, 2009 5:23 PM
To: fdo-users@lists.osgeo.org
Subject: [fdo-users] Coordinate transformations for FDO

I'm new to FDO (and the OSGeo stack in general), looking for some advice.

I'm using FDO to grab some data from a variety of WFS servers. Now I want to do \
various spatial joins (overlays), so I need to ensure the various datasets are all in \
the same coordinate system.

From what I've read, it seems that FDO itself doesn't handle coordinate conversions. \
So I've been looking at using GDAL/OGR code to do the conversion. However, I'm \
reluctant to spend too much time on this, because it seems like I must be \
re-inventing the wheel.

Can anyone point me towards some coordinate transformation software that's been \
crafted to work with FDO geometry objects? Ideally in C# or C++.

Steve Stanton


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