Arto Oksanen wrote: > Thanks Jeff! > > That is just a perfect solution!! > > arto
Arto: I've cleaned up that example and added it to svn as examples/daynight.py. -Jeff > > 2009/8/24 Jeff Whitaker <jsw...@fastmail.fm <mailto:jsw...@fastmail.fm>> > > Arto Oksanen wrote: > > Thanks for your prompt reply. I should have given a more > detailed explanation. I do know the solar position and then > the latitude and longitude of the point on globe where the Sun > is on the zenith. And as the sun illuminates always half of > the globe, I just need to draw a "dark half globe" over the > normal globe. Is this possible? That should be a lot simpler > than drawing continents etc. :-) > > arto > > > Arto: Here's something - is this what you're looking for? It > computes the day-night terminator, then shades one side of the > terminator gray on a map. > > -Jeff > > P.S. I've cc-ed the matplotlib users list in case anyone else has > ideas. > > > > > 2009/8/24 Jeff Whitaker <jeffrey.s.whita...@noaa.gov > <mailto:jeffrey.s.whita...@noaa.gov> > <mailto:jeffrey.s.whita...@noaa.gov > <mailto:jeffrey.s.whita...@noaa.gov>>> > > > Arto Oksanen wrote: > > Hello from Finland! > > I am writing an utility for quickly seeing where > astronomical > events (like a GRB) are visible on Earth. I have installed > Basemap and it generates very nice Earth views, but I > still need > to somehow display the day and night on the globe. Any > sample > code somewhere or some pointers how to do this? > > I am looking for something like this: > > > http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif > > <http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif> > > > <http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif > > <http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif>> > > > <http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif > > <http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif> > > > <http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif > > <http://www.fourmilab.ch/cgi-bin/Earth?imgsize=320&opt=-l&lat=57.1667&ns=North&lon=49.125&ew=West&alt=372461&img=learth.evif>>> > > TIA! > > arto > > -- Arto Oksanen > arto.oksa...@jklsirius.fi > <mailto:arto.oksa...@jklsirius.fi> > <mailto:arto.oksa...@jklsirius.fi > <mailto:arto.oksa...@jklsirius.fi>> > <mailto:arto.oksa...@jklsirius.fi > <mailto:arto.oksa...@jklsirius.fi> > <mailto:arto.oksa...@jklsirius.fi > <mailto:arto.oksa...@jklsirius.fi>>> > Muurame, Finland > > Arto: This might help: > > http://en.wikipedia.org/wiki/Sunrise_equation > > -Jeff > > > > > -- > Arto Oksanen > arto.oksa...@jklsirius.fi <mailto:arto.oksa...@jklsirius.fi> > <mailto:arto.oksa...@jklsirius.fi > <mailto:arto.oksa...@jklsirius.fi>> > Muurame, Finland > > > > -- > Jeffrey S. Whitaker Phone : (303)497-6313 > Meteorologist FAX : (303)497-6449 > NOAA/OAR/PSD R/PSD1 Email : jeffrey.s.whita...@noaa.gov > <mailto:jeffrey.s.whita...@noaa.gov> > 325 Broadway Office : Skaggs Research Cntr 1D-113 > Boulder, CO, USA 80303-3328 Web : http://tinyurl.com/5telg > > > > > -- > Arto Oksanen > arto.oksa...@jklsirius.fi <mailto:arto.oksa...@jklsirius.fi> > Muurame, Finland -- Jeffrey S. Whitaker Phone : (303)497-6313 Meteorologist FAX : (303)497-6449 NOAA/OAR/PSD R/PSD1 Email : jeffrey.s.whita...@noaa.gov 325 Broadway Office : Skaggs Research Cntr 1D-113 Boulder, CO, USA 80303-3328 Web : http://tinyurl.com/5telg ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
