NAME: thm_alt_stackplot.pro PURPOSE: To create 3 PNG files displaying the H,D and Z components of the magnetic field from multiple GBO stations out of GMAG data that is stored in CDF file. CALLING SEQUENCE: thm_alt_stackplot, date, duration, stack_shift=stack_shift, no_expose=no_expose, make_png=make_png INPUTS: date: The start of the time interval to be plotted. (Format: 'YYYY-MM-DD/hh:mm:ss') duration: The length of the interval being plotted. (Floating point number of days -> 12hr=0.5), default=1 stack_shift: Space between stations on the y-axis (units are nanotesla), default=50 no_expose: Set this keyword to prevent the plot from being printed to the screen. make_png: Set this keyword to make the 3 PNG files. (OPTION NOT IMPLEMENTED max_deviation: Large spikes in the data (probably gliches) can screw up the y-axis scales. This keyword allows you to set the maximum deviation the data can go from the median; points that exceed this value are omitted. default value is plus or minus 1500 nT no_data_load: This keyword prevents new data from being loaded; the routine will try to plot existing data if it exists. OUTPUTS: Plots... ; PROCEDURE: Read in data from CDF files; plot the data using tplot.pro routines; make PNG files with makegif.pro routine EXAMPLE: thm_alt_stackplot, '2006-11-11',1,/make_png, max_deviation=1500, stack_shift=200. MODIFICATION HISTORY: Written by: Matt Davis October 23, 2006 Initial version Added dydt_spike_test, 7-apr-2008, jmm, jimm@ssl.berkeley.edu Hacked from thm_gmag_stackplot, this version makes no distinction between lo and hi lat's, just plots 8 per page, jmm, 31-aug-2009 $LastChangedBy: aaflores $ $LastChangedDate: 2012-01-09 09:54:03 -0800 (Mon, 09 Jan 2012) $ $LastChangedRevision: 9515 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/themis/ground/thm_alt_stackplot.pro $