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| @@ -1,46 +0,0 @@ | ||
| 1 | − | |
| 2 | −def draw_keyboard(firstnote = 21, lastnote = 108, y0 = 0, y1 = 1): | |
| 3 | − import Gnuplot | |
| 4 | − octaves = 10 | |
| 5 | − | |
| 6 | − # build template of white notes | |
| 7 | − scalew = 12/7. | |
| 8 | − xw_temp = [i*scalew for i in range(0,7)] | |
| 9 | − # build template of black notes | |
| 10 | − scaleb = 6/7. | |
| 11 | − xb_temp = [i*scaleb for i in [1,3,7,9,11]] | |
| 12 | − | |
| 13 | − xb,xw = [],[] | |
| 14 | − for octave in range(octaves-1): | |
| 15 | − for i in xb_temp: | |
| 16 | − curnote = i+12*octave | |
| 17 | − if curnote > firstnote-1 and curnote < lastnote+1: | |
| 18 | − xb = xb + [curnote] | |
| 19 | − for octave in range(octaves-1): | |
| 20 | − for i in xw_temp: | |
| 21 | − curnote = i+12*octave | |
| 22 | − if curnote > firstnote-1 and curnote < lastnote+1: | |
| 23 | − xw = xw + [curnote] | |
| 24 | − | |
| 25 | − xwdelta = [1/2. * scalew for i in range(len(xw))] | |
| 26 | − yw = [y0+(y1-y0)*1/2. for i in range(len(xw))] | |
| 27 | − ywdelta = [(y1-y0)*1/2. for i in range(len(xw))] | |
| 28 | − | |
| 29 | − xbdelta = [2/3. * scaleb for i in range(len(xb))] | |
| 30 | − yb = [y0+(y1-y0)*2/3. for i in range(len(xb))] | |
| 31 | − ybdelta = [(y1-y0)*1/3. for i in range(len(xb))] | |
| 32 | − | |
| 33 | − whites = Gnuplot.Data(xw,yw,xwdelta,ywdelta,with_ = 'boxxyerrorbars') | |
| 34 | − blacks = Gnuplot.Data(xb,yb,xbdelta,ybdelta,with_ = 'boxxyerrorbars fill solid') | |
| 35 | − | |
| 36 | − return blacks,whites | |
| 37 | − | |
| 38 | −if __name__ == '__main__': | |
| 39 | − from aubio.gnuplot import gnuplot_create | |
| 40 | − blacks,whites = draw_keyboard(firstnote = 21, lastnote = 108) | |
| 41 | − g = gnuplot_create('','') | |
| 42 | − #g('set style fill solid .5') | |
| 43 | − #g('set xrange [60-.5:72+.5]') | |
| 44 | − #g('set yrange [-0.1:1.1]') | |
| 45 | − | |
| 46 | − g.plot(whites,blacks) | |