Histogram automatically dialog closes when Renderer is not visible

script/SIStem.py

@@ -0,0 +1,78 @@
+#Debugging
+if get_exec_pars().args is None:
+    """
+    PRE_ACTIONS = {"motor2":0.1}
+    POSITIONERS = ["master", "motor"]
+    START = [0.0,0.0]
+    STOP = [1.0,1.0]
+    STEPS = [3, 5]
+    SENSORS = ["scienta.dataMatrix", "sin"]
+    SETTLING_TIME = 0.1 
+    PASSES = 1
+    ZIGZAG = True
+    COMPRESSION = True
+    """
+    NAME="Test"
+    print "Debug"
+
+
+import json
+def load_parameters(name):
+    filename = get_context().setup.expandPath("{home}/scans/" + name + ".json")        
+    with open(filename) as config_file:  
+        config = json.load(config_file)
+        for key in config.keys():
+             globals()[key] = config[key]
+             print str(key), " = ", config[key]
+if NAME:
+    load_parameters(NAME)
+
+    
+
+#Enforece parameter types
+positioners = string_to_obj(POSITIONERS)        
+sensors = string_to_obj(SENSORS)
+start = list(to_array(START, 'd'))
+end = list(to_array(STOP, 'd'))
+steps = list(to_array(STEPS, 'i'))
+latency = SETTLING_TIME
+passes = int(PASSES)
+zigzag = bool(ZIGZAG)
+
+
+#Execute pre-actions
+for key in PRE_ACTIONS.keys():
+    dev = string_to_obj(key)    
+    if isinstance(dev, Writable):
+        log("Setting " + dev.name + " to: " + str(PRE_ACTIONS[key]))
+        dev.write(PRE_ACTIONS[key])
+
+for key in PRE_ACTIONS.keys():
+    dev = string_to_obj(key)
+    if isinstance(dev, Device):
+        log("Waiting  " + dev.name)    
+        dev.waitReady(-1)
+
+
+#Run scan    
+if COMPRESSION:
+    set_exec_pars(compression=[scienta.dataMatrix])
+
+
+def before_read(pos, scan):    
+    trigger_scienta()
+
+    
+def after_read(rec, scan):
+    pass
+    #handle_diagnostics(rec)
+
+try:
+    ret= ascan(positioners, sensors, start, end, steps, \
+        latency = latency, relative = False, passes = passes, zigzag = zigzag, \
+        before_read = before_read, after_read = after_read,
+        snaps = diag_channels)  
+finally:
+    scienta.zeroSupplies()
+
+