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File:Indian Ocean laea location map.svg

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Original file (SVG file, nominally 709 × 666 pixels, file size: 168 KB)

Summary

Description
English: Location map of the Indian Ocean.
  • Projection: Lambert azimuthal equal-area projection.
  • Area of interest:
  • N: 30.0° N
  • S: -70.0° N
  • W: 30.0° E
  • E: 150.0° E
  • Projection center:
  • NS: -20.0° N
  • WE: 90.0° E
  • GMT projection: -JA90.0/-20.0/180/19.998266666666666c
  • GMT region: -R-12.856058461183775/-43.848273739920856/151.50519408595028/33.22162400070504r
  • Land and shoreline: 1:110m Natural Earth Datasets, borders 1:50m
Date
Source Own work
Author Tentotwo

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

#!/bin/sh

# Set common options
PROJECTION=A90.0/-20.0/180/19.998266666666666c
REGION=-12.856058461183775/-43.848273739920856/151.50519408595028/33.22162400070504r
FILENAME=Indian_Ocean_laea_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/110m/physical/110m-coastline.zip\
 http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/110m/physical/110m-land.zip\
 http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/110m/cultural/110m-admin-0-boundary-lines.zip
echo "...done\n"

echo "Inflating archives"
unzip 110m\*.zip
echo "...done\n"

echo "Converting shapefiles to GMT"
ogr2ogr -F GMT 110m_land.gmt 110m_land.shp
ogr2ogr -F GMT 110m_coastline.gmt 110m_coastline.shp
ogr2ogr -F GMT 50m_borders.gmt ne_50m_admin_0_boundary_lines_land.shp
echo "...done\n"

echo "Creating maps"
GMT psxy -m -J$PROJECTION -R$REGION --PAGE_COLOR=198/236/255  --POLAR_CAP=none --PAPER_MEDIA=A3  --BASEMAP_TYPE=plain --BASEMAP_AXES=NESW --FRAME_PEN=0.15p,black 110m_land.gmt -K -G254/254/233 > $FILENAME
GMT psxy -m -J$PROJECTION -R$REGION 110m_coastline.gmt -O -K -W0.535p,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."

gv $FILENAME

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.

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inception

1 February 2012

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Date/TimeThumbnailDimensionsUserComment
current10:02, 1 February 2012Thumbnail for version as of 10:02, 1 February 2012709 × 666 (168 KB)Tentotwo

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