This is the command pkascii2ogr that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
pkascii2ogr - program to create vector points or polygons from text file
SYNOPSIS
pkascii2ogr [-i input] [-o output] [-f OGRformat] [-x col] [-y col] [-line] [-n fieldname]
[-ot type] [-fs separator]
DESCRIPTION
pkascii2ogr creates a vector dataset (points or single polygon) from an ASCII textfile. A
better alternative is to use virtual vector datasets ⟨http://www.gdal.org/drv_vrt.html⟩ .
Specify the position of the vertices (x and y) in the columns defined by the options (-x
-y), starting from 0. The default is to use the first (-dx 0) and second (-dx 1) columns
for x and y respectvely. Specify the names and types of the remaining columns in your
input file via the option pairs -n and -ot respectively. The default field separator is
space.
OPTIONS
-i filename, --input filename
input ASCII file
-o filename, --output filename
Output file
-f OGRformat, --f OGRformat
Output sample file format
-x col, --x col
column number of x (0)
-y col, --y col
column number of y (1)
-l, --line
create OGRPolygon as geometry instead of points. Fields are taken from first point
and polygon is automatically closed (no need to repeat first point at last line).
(false: use OGRPoint)
-n fieldname, --name fieldname
Field names for the columns in the input ascii file
-ot type, --otype type
Field type (Real, Integer, String) for each of the fields as defined by name
-a_srs EPSG:number, --a_srs EPSG:number
Override the projection for the output file, use epsg: or Wkt string
-fs separator, --fs separator
field separator.
-v n, --verbose n
verbose (0)
EXAMPLE
Create a vector shape file (output.shp) from input ASCII file (input.txt). The
coordinates x (longitude) and y (latitude) can be found in input.txt as columns 3 and 2
respectively (columns start counting from 0). The remaining 2 columns in input.txt are
used as fields (attributes) of type integer: id (column 0) and label (column 3). The
projection is set to lat lon (epsg:4326).
pkascii2ogr -i input.txt -o output.shp -x 2 -x 1 -n id -ot Integer -n label -ot Integer -a_srs epsg:4326
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