File:Indian Ocean laea location map.svg

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Summary

DescriptionIndian Ocean laea location map.svg

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 1 February 2012

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"
unzip110m\*.zip
echo"...done\n"
echo"Converting shapefiles to GMT"
ogr2ogr-FGMT110m_land.gmt110m_land.shp
ogr2ogr-FGMT110m_coastline.gmt110m_coastline.shp
ogr2ogr-FGMT50m_borders.gmtne_50m_admin_0_boundary_lines_land.shp
echo"...done\n"
echo"Creating maps"
GMTpsxy-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,black110m_land.gmt-K-G254/254/233>$FILENAME
GMTpsxy-m-J$PROJECTION-R$REGION110m_coastline.gmt-O-K-W0.535p,9/120/171>>$FILENAME
GMTpsxy-m-J$PROJECTION-R$REGION50m_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.

https://creativecommons.org/licenses/by-sa/3.0CC BY-SA 3.0 Creative Commons Attribution-Share Alike 3.0 truetrue

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