;+ ; NAME: ; PLOTCUMUL ; ; PURPOSE: ; Plots the cumulative distribution of a set of data. ; ; CATEGORY: ; Plot ; ; CALLING SEQUENCE: ; PLOTCUMUL, Data ; ; INPUTS: ; Data: Data values. ; ; KEYWORD PARAMETERS: ; OVERPLOT: If /OVERPLOT is set then overplot the cumulative ; distribution over top of the existing plot coordinates. ; ; ABSOLUTE: If /ABSOLUTE is set then plot the true cumulative number ; distribution instead of the fractional cumulative ; distribution. ; ; WINDOW: Sets the /WINDOW keyword in Coyote Graphics. ; ; ADDCMD: Sets the /ADDCMD keyword in Coyote Graphics. ; ; _Extra: All extra keywords are passed through to CGPLOT. ; ; OUTPUTS: ; Plots or overplots the cumulative distribution of Data. ; ; EXAMPLE: ; x = findgen(20)^2 ; PLOTCUMUL, x, YRANGE='Cumulative Fraction' ; ; MODIFICATION HISTORY: ; Written by: Jeremy Bailin ; 12 June 2008 Public release in JBIU ; 11 March 2011 Switched to Coyote Graphics. ;- pro plotcumul, data, overplot=oplotp, absolute=absnumberp, $ window=window, addcmd=addcmd, _extra=extrakeywords flatdata = data[*] ndata = n_elements(flatdata) xsort = sort(flatdata) xax = flatdata[(transpose(rebin(xsort,ndata,2)))[*]] yax = ((transpose(rebin(findgen(ndata+1),ndata+1,2)))[*])[1:ndata*2] if ~keyword_set(absnumberp) then yax /= ndata cgplot, xax, yax, overplot=oplotp, window=window, addcmd=addcmd, $ _extra=extrakeywords end