"""Copyright (C) 2004 Paul Brossier print aubio.__LICENSE__ for the terms of use """ __LICENSE__ = """\ Copyright (C) 2004 Paul Brossier This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. """ def plotnote(la,title=None) : if la[0,:].size() == 3: d = plotnote_withends(la, plot_title=title) else: # scale data if in freq (for REF.txt files) if max(la[:,1] > 128 ): print "scaling frequency data to midi range" la[:,1] /= 6.875 la[:,1] = log(la[:,1])/0.6931 la[:,1] *= 12 la[:,1] -= 3 d = plotnote_withoutends(la, plot_title=title) return d def plotnote_multi(lalist,title=None,fileout=None) : d=list() for i in range(len(lalist)): d.append(plotnote(lalist[i], title=title)) return d def plotnote_withends(la,plot_title=None) : from numpy import array import Gnuplot, Gnuplot.funcutils d=[] x_widths = array(la[:,1]-la[:,0])/2. d.append(Gnuplot.Data( la[:,0]+x_widths, # x centers la[:,2], # y centers x_widths, # x errors __notesheight*ones(len(la)), # y errors title=plot_title,with_=('boxxyerrorbars fs 3'))) return d def plotnote_withoutends(la,plot_title=None) : """ bug: fails drawing last note """ from numpy import array import Gnuplot, Gnuplot.funcutils d=[] x_widths = array(la[1:,0]-la[:-1,0])/2; d.append(Gnuplot.Data( la[:-1,0]+x_widths, # x centers la[:-1,1], # y centers x_widths, # x errors __notesheight*ones(len(la)-1), # y errors title=plot_title,with_=('boxxyerrorbars fs 3'))) return d def plotnote_do(d,fileout=None): import Gnuplot, Gnuplot.funcutils g = Gnuplot.Gnuplot(debug=1, persist=1) g.gnuplot('set style fill solid border 1; \ set size ratio 1/6; \ set boxwidth 0.9 relative; \ set mxtics 2.5; \ set mytics 2.5; \ set xtics 5; \ set ytics 1; \ set grid xtics ytics mxtics mytics') g.xlabel('Time (s)') g.ylabel('Midi pitch') # do the plot #g.gnuplot('set multiplot') #for i in d: g.plot(d[0]) #g.gnuplot('set nomultiplot') if fileout != None: g.hardcopy(fileout, enhanced=1, color=0)