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This directory contains sample scripts intended to give an idea how GDAL's
Python interface may be used in your applications.
Script list:
------------------------------------------------------------------------------
assemblepoly.py Script demonstrates how to assemble polygons from
arcs. Demonstrates various aspects of OGR Python API.
attachpct.py Simple command line program for copying the color table of a
raster into another raster.
fft.py Script to perform forward and inverse two-dimensional
fast Fourier transform.
gdal2grd.py Script to write out ASCII GRD rasters (used in Golden
Software Surfer) from any source supported by GDAL.
gdal_vrtmerge.py Similar to gdal_merge.py, but produces a VRT file.
gdalcopyproj.py Duplicate the geotransform, projection and/or GCPs from
one raster dataset to another, which can be useful after
performing image manipulations with other software that
ignores or discards georeferencing metadata.
gdalfilter.py Example script for applying kernel based filters to
an image using GDAL. Demonstrates use of virtual
files as an intermediate representation.
gdal_retile.py Script for restructuring data in a tree of regular tiles.
(transferred in swig/python/scripts)
get_soundg.py Script to copy the SOUNDG layer from an S-57 file to
a Shapefile, splitting up features with MULTIPOINT
geometries into many POINT feature, and appending
the point elevations as an attribute.
histrep.py Module to extract data from many rasters into one output.
load2odbc.py Load ODBC table to an ODBC datastore. Uses direct SQL
since the ODBC driver is read-only for OGR.
rel.py Script to produce a shaded relief image from the
elevation data. (similar functionnality in gdaldem now)
tigerpoly.py Script demonstrating how to assemble polygons from
arcs in TIGER/Line datasource, writing results to
a newly created shapefile.
tolatlong.py Script to read coordinate system and geotransformation
matrix from input file and report latitude/longitude
coordinates for the specified pixel.
val_repl.py Script to replace specified values from the input
raster file with the new ones. May be useful in cases
when you don't like value, used for NoData indication
and want replace it with other value. Input file
remains unchanged, results stored in other file.
vec_tr.py Example of applying some algorithm to all the
geometries in the file, such as a fixed offset.
vec_tr_spat.py Example of using Intersect() to filter based on
only those features that truely intersect a given
rectangle. Easily extended to general polygon!
classify.py Demonstrates using numpy for simple range based
classification of an image. This is only an example
that has stuff hardcoded.
gdal_lut.py Read a LUT from a text file, and apply it to an image.
Sort of a '1 band' version of pct2rgb.py.
magphase.py Example script computing magnitude and phase images
from a complex image.
hsv_merge.py Merge greyscale image into rgb image as intensity
in HSV space.
val_at_coord.py Outputs the value of the raster bands at a given
(longitude, latitude) or (X, Y) location.
gdal_ls.py Display the list of files in a virtual directory,
like /vsicurl or /vsizip
gdal_cp.py Copy a virtual file
crs2crs2grid.py A script to produce PROJ.4 grid shift files from HTDP program.
http://trac.osgeo.org/proj/wiki/HTDPGrids
ogrupdate.py Update a target datasource with the features of a source datasource. Contrary to ogr2ogr,
this script tries to match features between the datasources,
to decide whether to create a new feature, or to update an existing one.
ogr_layer_algebra.py Application for executing OGR layer algebra operations.
gdalpythonserver.py A Python script that can be used as the value of GDAL_API_PROXY_SERVER config. option
Redirects on GDAL implementation, but could be used to implement a Python GDAL driver.
------------------------------------------------------------------------------
Ports of .c/.cpp utilities
------------------------------------------------------------------------------
gdalinfo.py A direct port of apps/gdalinfo.c
ogrinfo.py A direct port of apps/ogrinfo.cpp
ogr2ogr.py A direct port of apps/ogr2ogr.cpp
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