shithub: aubio

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python/demos/: minor plot improvements

--- a/python/demos/demo_mel-energy.py

+++ b/python/demos/demo_mel-energy.py

@@ -61,8 +61,9 @@

         ax.xaxis.set_visible(False)

         ax.yaxis.set_visible(False)

         ax.axis(xmax = all_desc_times[-1], xmin = all_desc_times[0])

-        ax.annotate('band %d' % i, xy=(-10, 10),  xycoords='axes points',

+        ax.annotate('band %d' % i, xy=(-10, 0),  xycoords='axes points',

                 horizontalalignment='right', verticalalignment='bottom',

+                size = 'xx-small',

                 )

     set_xlabels_sample2time( ax, all_desc_times[-1], samplerate) 

     #plt.ylabel('spectral descriptor value')

--- a/python/demos/demo_pitch.py

+++ b/python/demos/demo_pitch.py

@@ -56,9 +56,11 @@

 times = [t * hop_s for t in range(len(pitches))]

 fig = plt.figure()

+

 ax1 = fig.add_subplot(311)

 ax1 = get_waveform_plot(filename, samplerate = samplerate, block_size = hop_s, ax = ax1)

-ax1.set_xticklabels([])

+plt.setp(ax1.get_xticklabels(), visible = False)

+ax1.set_xlabel('')

 def array_from_text_file(filename, dtype = 'float'):

     import os.path

@@ -87,7 +89,8 @@

 ax2.plot(times, cleaned_pitches, '.-')

 #ax2.axis( ymin = 0.9 * cleaned_pitches.min(), ymax = 1.1 * cleaned_pitches.max() )

 #ax2.axis( ymin = 55, ymax = 70 )

-ax2.set_xticklabels([])

+plt.setp(ax2.get_xticklabels(), visible = False)

+ax2.set_ylabel('f0 (Hz)')

 # plot confidence

 ax3 = fig.add_subplot(313, sharex = ax1)

@@ -96,6 +99,7 @@

 # draw a line at tolerance

 ax3.plot(times, [tolerance]*len(confidences))

 ax3.axis( xmin = times[0], xmax = times[-1])

-plt.show()

+ax3.set_ylabel('condidence')

 set_xlabels_sample2time(ax3, times[-1], samplerate)

-#plt.savefig(os.path.basename(filename) + '.png', dpi=200)

+plt.show()

+#plt.savefig(os.path.basename(filename) + '.svg')

--- a/python/demos/demo_specdesc.py

+++ b/python/demos/demo_specdesc.py

@@ -71,7 +71,7 @@

         ax.xaxis.set_visible(False)

         ax.yaxis.set_visible(False)

         ax.axis(xmax = all_desc_times[-1], xmin = all_desc_times[0])

-        ax.annotate(method, xy=(-10, 10),  xycoords='axes points',

+        ax.annotate(method, xy=(-10, 0),  xycoords='axes points',

                 horizontalalignment='right', verticalalignment='bottom',

                 )

     set_xlabels_sample2time(ax, all_desc_times[-1], samplerate)