Hi Jef,
please apologize me for the delay
i had days without internet connection :-/
sorry if i gived you a bad explanation ...
for sky plot i means plot like :
http://www.tpub.com/content/armyengineer/en0593a/en0593a0209.htm
the data i'm receiving from the gps device are :
PRN = satellite ID
EL = ELevation (integer 0-90)
AZ = Azimuth (integer 0-359)
Ss = Signal-Strenghts (decibels)
Used = (1,0)
for each satellite visible at the moment,
i receive data for each second.
i'm printing the data in an html table
http://img43.imageshack.us/i/immagine3ftd.png/
but i tring to learn how to use matplotlib to display the data in a
"sky-plot" (i don't know the real name of this polar-diagram)
i gived a look at matplotlib tutorial pages .. and i find really
usefull the "web-plot" example
... i'll follow that way
but the real problem is :
i don't know the math formulae and matplotlib syntax needed to
create a such kind of plot.
thanks for any suggestion!
regards,
Massimo.
Il giorno 03/lug/09, alle ore 03:34, Jeff Whitaker ha scritto:
Massimo Di Stefano wrote:
Hi All,
i'm starting to learn matplotlib,
for my study i need to parse the nmea sentence from a gps
and plot a "sky graphic" to plot satellite visibility.
(i tried to write code from scratch ... it works but my teacher
suggest me to not reinvent the well, so, to have a good nema
parser, i installed gpsd ... it has in the source code a nice
python code that allow me to retrieve satellite constallation
iformation).
now i need to learn how to produce a sky plot,
have you any suggestion on how to produce such kind of graphic ?
Massimo: I've no idea what a "sky plot" is. Can you point us to an
example?
-Jeff
thanks to all for any suggestion!
Massimo.
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