moved out old python interface

[aubio.git] / python.old / aubio / plot / keyboard.py

diff --git a/python.old/aubio/plot/keyboard.py b/python.old/aubio/plot/keyboard.py
new file mode 100755 (executable)
index 0000000..2de5d75
--- /dev/null
+++ b/python.old/aubio/plot/keyboard.py
@@ -0,0 +1,46 @@
+
+def draw_keyboard(firstnote = 21, lastnote = 108, y0 = 0, y1 = 1):
+  import Gnuplot
+  octaves = 10
+
+  # build template of white notes
+  scalew  = 12/7.
+  xw_temp = [i*scalew for i in range(0,7)]
+  # build template of black notes
+  scaleb  = 6/7.
+  xb_temp = [i*scaleb for i in [1,3,7,9,11]]
+
+  xb,xw = [],[]
+  for octave in range(octaves-1): 
+    for i in xb_temp:
+      curnote = i+12*octave
+      if  curnote > firstnote-1 and curnote < lastnote+1:
+        xb = xb + [curnote] 
+  for octave in range(octaves-1): 
+    for i in xw_temp:
+      curnote = i+12*octave
+      if  curnote > firstnote-1 and curnote < lastnote+1:
+        xw = xw + [curnote]
+
+  xwdelta = [1/2. * scalew for i in range(len(xw))]
+  yw      = [y0+(y1-y0)*1/2. for i in range(len(xw))]
+  ywdelta = [(y1-y0)*1/2. for i in range(len(xw))]
+
+  xbdelta = [2/3. * scaleb for i in range(len(xb))]
+  yb      = [y0+(y1-y0)*2/3. for i in range(len(xb))]
+  ybdelta = [(y1-y0)*1/3. for i in range(len(xb))]
+
+  whites  = Gnuplot.Data(xw,yw,xwdelta,ywdelta,with_ = 'boxxyerrorbars')
+  blacks  = Gnuplot.Data(xb,yb,xbdelta,ybdelta,with_ = 'boxxyerrorbars fill solid')
+
+  return blacks,whites
+
+if __name__ == '__main__':
+  from aubio.gnuplot import gnuplot_create
+  blacks,whites = draw_keyboard(firstnote = 21, lastnote = 108)
+  g = gnuplot_create('','')
+  #g('set style fill solid .5')
+  #g('set xrange [60-.5:72+.5]')
+  #g('set yrange [-0.1:1.1]')
+
+  g.plot(whites,blacks)