;+ ; Batch File: THM_CRIB_FFT ; ; Purpose: Demonstrate the loading, calibration, and plotting ; of THEMIS FFT spectra (ParticleBurst and WaveBurst) data ; ; Calling Sequence: ; .run thm_crib_fft, or using cut-and-paste. ; ; Arguements: ; None. ; ; Notes: ; None. ; ;Written by Patrick Cruce(with liberal copying from thm_crib_fit.pro) ;- print, "--- Start of crib sheet ---" ;start with a clean slate del_data, '*' print, 'at each stop point type .c to continue with the crib' stop ; FFT On-Board SpinFit data example. ; set a few TPLOT options. tplot_title = 'THEMIS FFT Example' tplot_options, 'title', tplot_title tplot_options, 'xmargin', [ 15, 10] tplot_options, 'ymargin', [ 5, 5] ; set the timespan timespan, '2007-06-23' ;loads all the available data from the day and calibrates it. ;defaults to load l1 data, as l2 quantities are not available at the ;time of this crib's creation thm_load_fft ;list the available data tplot_names print, 'heres a list of the data variables we just got' print, 'fft actually has 4 spectral channels, so ' print, 'when the data is calibrated a suffix is added to the end' stop ;plot the particle burst data from themis alpha at 16 ;frequency samples, spectra scm2 tplot, 'thc_ffp_16_scm2' print, 'We just plotted the calibrated particle burst data from themis charlie' print, 'This plot is of spectra scm2 at 16 frequency samples' stop tlimit, '2007-06-23/07:31:47', '2007-06-23/07:32:20' print, 'now we zoom in' stop tlimit, '2007-06-23/00:00:00', '2007-06-24/00:00:00' print, 'now we zoom out' print, 'Note: the plot must be zoomed in quite a bit to see what is going on in the data. This is typical for most of the fft data.' print,'If you want to zoom in using the mouse, call the tlimit routine with no arguments(ie "tlimit"). This can be useful for adjusting viewing fft data.' print,'If you want try typing "tlimit" now and using the mouse to zoom in' stop ;clear the data del_data, '*' ;get lists of valid choices for probe and datatypes thm_load_fft, probe = p,datatype = d, /valid_names print, 'Here is a list of the valid datatype,probe and, level choices we can make' stop ;now lets get something more specific thm_load_fft, probe = ['b','c'], datatype = 'ffw_16_edc34' tplot_names tplot, ['thb_ffw_16_edc34', 'thc_ffw_16_edc34'] tlimit, '2007-06-23/07:31:47', '2007-06-23/07:32:20' print, 'just got the waveburst data for themis beta and' print, 'charlie at 16 frequency samples and plotted them' stop ;now we load some probe b data with its support data del_data, '*' thm_load_fft, probe = 'b', /get_support_data ;and load the uncalibrated data too thm_load_fft, probe = 'b' tplot_names tplot, ['thb_ff?_??_*', 'thb_ff?_??'] print, 'we just loaded calibrated science data,raw science data, and support data for probe b' print, 'and plotted it(minus the support data which doesnt really plot)' print, 'Note the use of ? wildcards' stop ;finally lets plot some wave burst with some particle burst tplot, ['thb_ffp_16_scm2', 'thb_ffw_16_scm2'] print, 'here is some particle burst and wave burst data on the same plot' stop print, "--- End of crib sheet ---" end