On 07/03/2012 08:21 AM, Jeff Whitaker wrote: > On 7/3/12 11:39 AM, fatuheeva wrote: >> Hello, >> I am wondering if Basemap has the ability to plot a track across the >> Dateline? Plotting longitudes that go across the Dateline (e.g., >> [175,177,179,-179,-176]) wraps the track back around the globe when it >> goes from 179 to -179. Instead, I want them directly connected. My >> Basemap instance looks like: >> >> m = Basemap(projection='merc',llcrnrlat = 10,urcrnrlat = 30,llcrnrlon >> = 160,\ >> urcrnrlon = -160,lat_ts = 20,resolution = 'l',lon_0 = 180) >> >> Am I screwed on this one? >> Thanks, >> >> Mike > > Mike: There's no automagical way to do this. You either have to shift > your map so the dateline is in the middle, or split you track into two > segments. > > -Jeff
If I am reading the original message correctly, what is needed is for the longitudes that are to be plotted to be unwrapped as well, as in the unwrap_lon (and unwrap) function here: http://currents.soest.hawaii.edu/hg/pycurrents/file/2851d48cd865/data/navcalc.py Eric > > -- > 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 > > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > > > > _______________________________________________ > Matplotlib-users mailing list > Matplotlib-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-users > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
