Changes between Version 7 and Version 8 of FAQCoordinateSystemsAndProjections


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Timestamp:
Nov 3, 2011, 12:55:59 PM (12 years ago)
Author:
Mateusz Łoskot
Comment:

What is the Axis Order used in OGR/GDAL?

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  • FAQCoordinateSystemsAndProjections

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    77''OpenGIS Well Known Text'' is a textual format for defining coordinate systems. It is loosely based on the [http://www.epsg.org/ EPSG] coordinate systems model. While GDAL itself just passes these definitions around as text strings, there is also an [http://www.gdal.org/ogr/classOGRSpatialReference.html OGRSpatialReference] class in ''gdal/ogr'' for manipulating them and a linkage to [http://proj.maptools.org/ PROJ.4] for transforming between coordinate systems. The OGRSpatialReference, and PROJ.4 linkaged (but not PROJ.4 itself) is linked into the GDAL shared library by default. More documentation on WKT and OGRSpatialReference can be found in the [http://www.gdal.org/ogr/osr_tutorial.html OGR Projections Tutorial].
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     9== What Axis Order is used in GDAL/OGR? ==
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     12Check [http://trac.osgeo.org/gdal/wiki/rfc20_srs_axes RFC 20: OGRSpatialReference Axis Support] to learn details.
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     14For general discussion about the issue, dive into [http://www.osgeo.org/pipermail/discuss/2006-December/001241.html compiled] the [http://wiki.osgeo.org/wiki/Axis_Order_Confusion Axis Order Confusion] article compiled by [arnulf.us/ Arnulf Christl] with great help from the OSGeo Community.
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    916== Can I reproject rasters with GDAL? ==