dsp_recorder_plot.py : Initial commit of plotter for cwDspTransforms:recorder.

dsp_recorder_plot.py

@@ -0,0 +1,38 @@
+# Plot the output of a libcw:cwDspTransform.cpp: 'recorder' object.
+
+import sys,os,json
+
+import matplotlib.pyplot as plt
+
+def plot_file( fname ):
+
+    r = None
+    with open(fname,"r") as f:
+        r = json.load(f)
+
+    idx = 0    
+    while True:
+
+        label = "{}".format(idx)
+
+        if label not in r:
+            break
+
+        plt.plot(r[label])
+        
+        idx += 1
+
+    plt.show()
+            
+
+
+if __name__ == "__main__":
+
+    fname = os.path.expanduser("~/temp/temp_1.json")
+
+    if len(sys.argv) > 1:
+        fname = sys.argv[1]
+    
+    plot_file( fname )
+
+