The IBCAO is distributed using the Universal Polar Stereographic projection (UPS) with custom parameters and grid-spacing. This package sets up the projection correctly, and loads the map data in an efficient way. This ensures that no transformation is needed when plotting the map, and that data that is plotted on the map is correctly positioned. A ready figure with the map loaded is provided, with a plotting transformation to the Geodetic projection ready so that data provided in the familiar latitude and longitude coordinates may be plotted easily.
Additionally, efficient interpolation routines for reading the bathymetry (depth) from the map data at coordinates, tracks or grids of coordinates are provided so that these may be easily read.
$ python setup.py build $ python setup.py install
Download the IBCAO grid: ngdc.noaa.gov and specify it when you instantiate the IBCAO class or place it in the same directory as
Run a test with:
$ python ibcao.py
b) or to get started as quick as possible, do something like:
from ibcao import * i = IBCAO () f = i.template () f.show ()
Contributing or reporting issues
Please report issues at the github repository: http://github.com/gauteh/ibcao_py. Patches and improvements are very welcome to be submitted either by a pull-request through github or by e-mail. Contributions must be made under the same license as this package (LGPLv3).
The IBCAO is provided by:
Jakobsson, M., L. A. Mayer, B. Coakley, J. A. Dowdeswell, S. Forbes, B. Fridman, H. Hodnesdal, R. Noormets, R. Pedersen, M. Rebesco, H.-W. Schenke, Y. Zarayskaya A, D. Accettella, A. Armstrong, R. M. Anderson, P. Bienhoff, A. Camerlenghi, I. Church, M. Edwards, J. V. Gardner, J. K. Hall, B. Hell, O. B. Hestvik, Y. Kristoffersen, C. Marcussen, R. Mohammad, D. Mosher, S. V. Nghiem, M. T. Pedrosa, P. G. Travaglini, and P. Weatherall, The International Bathymetric Chart of the Arctic Ocean (IBCAO) Version 3.0, Geophysical Research Letters, doi: 10.1029/2012GL052219.
Licence / Copyright / Attribution
Author: Gaute Hope / email@example.com
This work is licensed under the GNU Lesser General Public Licence (LGPLv3).