File:Antarctic Ocean location map.svg

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Original file ‎(SVG file, nominally 709 × 709 pixels, file size: 243 KB)

Summary

Description
English: Location map of the Antarctic Ocean
  • Projection: Azimuthal equidistant projection.
  • Area of interest:
  • N: 50.0° S
  • S: 90.0° S
  • W: -180.0° E
  • E: 180.0° E
  • Projection center:
  • NS: 90° S
  • WE: 0° E
  • GMT projection: -JE0.0/-90.0/20.0c
  • GMT region: -R-180/180/-90/-50
  • Land, shoreline, borders and ice shelf: 1:50m Natural Earth Datasets
Date
Source Own work
Author Tentotwo
Other versions

Licensing

I, the copyright holder of this work, hereby publish it under the following license:
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

Shell script for generating the map using GMT archive copy at the Wayback Machine

#!/bin/sh

# Set common options
PROJECTION=E0.0/-90.0/20.0c
REGION=-180/180/-90/-50
FILENAME=Antarctic_Ocean_location_map.ps

# Get Natural Earth datafiles
echo "Downloading datafiles from naturalearthdata.com"
wget -nv -nc \
 http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/physical/50m-coastline.zip\
 http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/physical/50m-land.zip\
 http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/cultural/50m-admin-0-boundary-lines.zip\
 http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/physical/50m-antarctic-ice-shelves-polys.zip\
 http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/50m/physical/50m-antarctic-ice-shelves-lines.zip
echo "...done\n"

echo "Inflating archives"
unzip 50m\*.zip
echo "...done\n"

echo "Converting shapefiles to GMT"
ogr2ogr -F GMT 50m_land.gmt 50m_land.shp
ogr2ogr -F GMT 50m_coastline.gmt 50m_coastline.shp
ogr2ogr -F GMT 50m_borders.gmt ne_50m_admin_0_boundary_lines_land.shp
ogr2ogr -F GMT 50m_ice.gmt 50m_antarctic_ice_shelves_polys.shp
ogr2ogr -F GMT 50m_ice_borders.gmt 50m_antarctic_ice_shelves_lines.shp
echo "...done\n"

echo "Creating maps"
GMT psxy -m -J$PROJECTION -R$REGION -Bg15 --POLAR_CAP=none --BASEMAP_TYPE=plain --BASEMAP_AXES=N --FRAME_PEN=0.15p,black 50m_land.gmt -K -G254/254/233 > $FILENAME
GMT psxy -m -J$PROJECTION -R$REGION 50m_ice.gmt -O -K -G236/249/255 >> $FILENAME
GMT psxy -m -J$PROJECTION -R$REGION 50m_coastline.gmt -O -K -W0.535p,9/120/171  >> $FILENAME
GMT psxy -m -J$PROJECTION -R$REGION 50m_ice_borders.gmt -O -K -W0.27p,9/120/171  >> $FILENAME
GMT psxy -m -J$PROJECTION -R$REGION 50m_borders.gmt -O -W100/100/100  >> $FILENAME
echo "...done\n"

echo "You can now open $FILENAME in Inkscape to clean up the file and save it as SVG. You should add an ocean coloured background and simplify the graticules using CTRL+L."

Captions

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Items portrayed in this file

depicts

inception

28 January 2012

MIME type

image/svg+xml

checksum

5026f5468674d8ebeca11ab07442d22903b43d5e

determination method: SHA-1

data size

249,140 byte

height

709 pixel

width

709 pixel

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current13:46, 27 January 2012Thumbnail for version as of 13:46, 27 January 2012709 × 709 (243 KB)Tentotwo

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