<div dir="ltr"><br><br><div class="gmail_quote">On Sun, Sep 14, 2008 at 4:47 AM, Angel Dimitrov <span dir="ltr"><<a href="mailto:stormlaboratory@yahoo.com">stormlaboratory@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div><div style="font-family:arial,helvetica,sans-serif;font-size:10pt"><br> Hello Arlindo,<br><br> Could you explain me in few words how these nice maps are created (<a rel="nofollow" href="http://sourceforge.net/project/screenshots.php?group_id=161773" target="_blank">http://sourceforge.net/project/screenshots.php?group_id=161773</a> ).<br>
<br> As I know Google Earth has some API functions. Do you call some subroutine to download the World map from Google and then to put it as a background in GrADS? Are these function a freeware or they are paid?<br></div></div>
</blockquote></div><div><br></div><div>The screenshots above do not involve GoogleEarth at all. They were produced with pygrads:</div><div><br></div><div> <a href="http://opengrads.org/wiki/index.php?title=Python_Interface_to_GrADS">http://opengrads.org/wiki/index.php?title=Python_Interface_to_GrADS</a></div>
<div><br></div><div>For the dust example it is just a couple of lines:</div><div><br></div><div>% pygrads -b</div><div>..</div><div>[1] ga-> ga('sdfopen <a href="http://aero.nc">aero.nc</a>') </div><div>[2] ga-> ga.blue_marble('on')</div>
<div>[3] ga-> ga.imshow('duexttau',cmap=gacm.hot_l) </div><div><br></div><div>The data file is here:<a href="http://opengrads.org/test_data/aero.ddf" style=""> </a><a href="http://opengrads.org/test_data/aero.nc">aero.nc. </a></div>
<div><br></div><div>The map background, which is bundled with pygrads, is the so-called MODIS Blue Marble image available from NASA:</div><div><br></div><div> <a href="http://visibleearth.nasa.gov/view_rec.php?id=2433">http://visibleearth.nasa.gov/view_rec.php?id=2433</a><br>
</div><div><br></div><div>This is all free software.</div><div><br></div><div> Arlindo</div><div><br></div><br>-- <br>Arlindo da Silva<br><a href="mailto:dasilva@alum.mit.edu">dasilva@alum.mit.edu</a><br>
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