improve ultrasound plot clients

- make plot window not to raise to the front on replot
- chmod +x

bin/peus-plot

@@ -1,19 +1,24 @@
 #!/usr/bin/env python3
 import sys
+from pathlib import Path
+# Add import path for inplace usage
+sys.path.insert(0, str(Path(__file__).absolute().parents[1]))
+
 from frappy.client.interactive import Client
 from frappy_psi.iqplot import Plot
 import numpy as np
 import matplotlib.pyplot as plt
 
+
 if len(sys.argv) < 2:
-    print('Usage: python peusplot.py <maxY>')
+    print('Usage: peus-plot <maxY>')
 
 
 def get_modules(name):
     return list(filter(None, (globals().get(name % i) for i in range(10))))
 
 
-secnode = Client('localhost:5000')
+secnode = Client('pc13252:5000')
 time_size = {'time', 'size'}
 int_mods = [u] + get_modules('roi%d')
 t_rois = get_modules('roi%d')
@@ -35,12 +40,11 @@ try:
     while True:
         curves = np.array(u.get_curves())
         iqplot.plot(curves,
-                    rois=[(r.time, r.time + r.size) for r in int_mods],
+                    rois=[(r.time - r.size * 0.5, r.time + r.size * 0.5) for r in int_mods],
                     average=([r.time for r in t_rois],
                              [r.value for r in i_rois],
                              [r.value for r in q_rois]))
-        plt.pause(0.5)
-        if iqplot.fig is None:  # graph window closed
+        if not iqplot.pause(0.5):
             break
 except KeyboardInterrupt:
     iqplot.close()