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pgsql2shp

Langue: en

Version: 258901 (debian - 07/07/09)

Section: 1 (Commandes utilisateur)

NAME

pgsql2shp - postgis to shapefile dumper

SYNTAX

pgsql2shp [options] database [schema.]table
pgsql2shp [options] database query

DESCRIPTION

The pgsql2shp table dumper connects directly to the database and converts a table (possibly created by user query) into a shape file. It is compatible with all versions of PostGIS.

Version: 1.1.5 (2006/10/06)

USAGE

The <database> is the name of the database to connect to.

The <table> is the (optionally schema-qualified) table to read spatial data from. Alternatively, you can specify a QUERY whose result will be written into the shapefile.

OPTIONS

The commandline options are:

-f <filename>
Write the output to a particular filename.
-h <host>
The database host to connect to.
-p <port>
The port to connect to on the database host.
-P <password>
The password to use when connecting to the database.
-u <user>
The username to use when connecting to the database.
-g <geometry column>
In the case of tables with multiple geometry columns, the geometry column to use when writing the shape file.
-b
Use a binary cursor. When used on pre-1.0.0 PostGIS versions this will reduce the likelihood of coordinate drift due to conversion to and from WKT format. Coordinate drifts will not occur with PostGIS 1.0.0 and newer versions. It will be slightly faster, but might fail if any NON-gemetry column lacks a cast to text.
-r
Raw mode. Do not drop the gid field, or escape column names.
-d
For backward compatibility: write a 3-dimensional shape file when dumping from old (pre-1.0.0) postgis databases (the default is to write a 2-dimensional shape file in that case). Starting from postgis-1.0.0+, dimensions are fully encoded.
-k
Keep idendifiers case (don't uppercase field names).
-?
Display version and usage information.

INSTALLATION

To compile the program from source, simply run "make" in the source directory. Then copy the binary in your shell search path (or wherever you like). This text is also available as a man page in the ../doc/man/ directory, ready for copying it into the manual search path on unixoid systems.

EXAMPLES

An example session using the dumper to create shape file from a database might look like this:

# pgsql2shp -f myfile -p 5555 my_db roads_table

AUTHORS

Originally written by Jeff Lounsbury <jeffloun@refractions.net>. Improved and maintained by Sandro Santilli <strk@refractions.net>. Includes small contributions and improvements by others.

This application uses functionality from shapelib 1.2.9 by Frank Warmerdam <warmerda@gdal.velocet.ca> to write to ESRI Shape files.

SEE ALSO

shp2pgsql(1)

More information is available at http://postgis.refractions.net

CONNAISSEUR

P : Humm... La musique classique, c'est le caviar des oreilles...
M : Alors comment t'expliques que tes oreilles sentent le pâté ?