Histogram automatically dialog closes when Renderer is not visible

script/Regine.py

@@ -0,0 +1,126 @@
+"""
+Arguments:
+DRY_RUN (BOOL)
+CENTER_X, CENTER_Y (FLOAT)
+STEPS_X, STEPS_Y  (INT)
+STEP_SIZE_X, STEP_SIZE_Y (FLOAT)
+EXPOSURES (list or None)
+SETTLING_TIME (double)
+ZIGZAG (BOOLEAN)
+COMPRESSION (BOOLEAN)
+NOISE (FLOAT)
+"""
+import random
+
+position_plot = None if "POSITION_PLOT" not in globals() else POSITION_PLOT
+
+#Debugging
+if (get_exec_pars().args is None) and (get_exec_pars().script=="Regine"):
+    DRY_RUN = True
+    CENTER_X = 0.0
+    CENTER_Y = 0.0
+    EXPOSURES =  [0.1, 0.5, 1.0]
+    STEPS_X = 5
+    STEPS_Y= 3
+    STEP_SIZE_X = 0.1
+    STEP_SIZE_Y = 0.2
+    SETTLING_TIME = 1.0
+    ZIGZAG = True
+    COMPRESSION = False
+    NOISE=0.10
+    position_plot=None
+
+           
+if not position_plot: position_plot=plot(None, title="Motor Positions")[0]
+
+current=sin
+ccd=scienta
+dummy_x, dummy_y = motor, motor2
+sample_x, sample_y = motor, motor2
+after_readout= before_readout=None 
+def after_scan():
+    pass
+
+#Scanning exposure
+class exposure_index (Writable, Readable):
+    def __init__(self):            
+        self.pos=0.0
+                  
+    def read(self):
+        return self.pos
+
+    def write(self, value): 
+        ccd.setExposure(EXPOSURES[int(value)])
+        self.pos = value
+        
+class exposure (Readable):            
+    def read(self):
+        return ccd.exposure
+
+
+#Constants
+SENSORS = [current, ccd.dataMatrix]
+POSITIONERS =  [dummy_x, dummy_y] if DRY_RUN else [sample_x, sample_y]
+
+ENABLED_PLOTS = [current, ccd.dataMatrix]
+CUSTOM_PLOT_TYPES = {ccd.dataMatrix:"ch.psi.pshell.plot.MatrixPlotRenderer"}
+
+RANGE_X=[CENTER_X - STEP_SIZE_X*STEPS_X,  CENTER_X + STEP_SIZE_X*STEPS_X]
+RANGE_Y=[CENTER_Y - STEP_SIZE_Y*STEPS_Y,  CENTER_Y + STEP_SIZE_Y*STEPS_Y]
+
+
+position_plot.clear()
+position_plot.addSeries(LinePlotSeries("positions"))
+position_plot.getAxis(AxisId.X).label = POSITIONERS[0].name
+position_plot.getAxis(AxisId.X).setRange(RANGE_X[0]-STEP_SIZE_X, RANGE_X[1]+STEP_SIZE_X)
+position_plot.getAxis(AxisId.Y).label = POSITIONERS[1].name
+position_plot.getAxis(AxisId.Y).setRange(RANGE_Y[0]-STEP_SIZE_Y, RANGE_Y[1]+STEP_SIZE_Y)
+
+
+def after_read(record, scan):
+    position_plot.getSeries(0).appendData(record[POSITIONERS[0]], record[POSITIONERS[1]])
+
+
+if EXPOSURES:
+    #ENABLED_PLOTS = [ccd.dataMatrix] #Cannot plot current in 3d vscan
+    POSITIONERS = POSITIONERS + [exposure_index()]
+    SENSORS = SENSORS  + [exposure()]
+    RANGE_E=[0, len(EXPOSURES)-1]
+    
+    #set_exec_pars(manual_range=RANGE_E, manual_range_y=RANGE_Y)
+
+    CUSTOM_PLOT_TYPES[sin]=1
+    set_exec_pars(manual_range=RANGE_X)
+    #set_exec_pars(domain_axis="Index")    
+    #set_exec_pars(auto_range=True)
+else:
+    set_exec_pars(manual_range=RANGE_X, manual_range_y=RANGE_Y)
+
+def gen():
+    x_index = y_index = e_index = 0
+    for x_step in range(-STEPS_X, STEPS_X+1):
+        xpos = CENTER_X + x_step*STEP_SIZE_X + (random.random()-0.5)*NOISE*2*STEP_SIZE_X
+        range_y=  range(STEPS_Y, -STEPS_Y-1, -1) if (ZIGZAG and(x_index%2 ==1)) else range(-STEPS_Y, STEPS_Y+1)
+        for y_step in range_y:            
+            ypos = CENTER_Y + y_step*STEP_SIZE_Y + (random.random()-0.5)*NOISE*2*STEP_SIZE_Y       
+            if EXPOSURES:
+                range_e=  range(len(EXPOSURES)-1,-1, -1) if (ZIGZAG and(y_index%2 ==1)) else range(len(EXPOSURES))
+                for e in range_e:
+                    yield([xpos,ypos,e])
+            else:    
+                yield([xpos,ypos])
+            y_index=y_index+1
+        x_index=x_index+1
+
+
+    
+try:
+    r = vscan(POSITIONERS, SENSORS , gen(), False,\ 
+          SETTLING_TIME, relative=False, zigzag = ZIGZAG, \
+          before_read=before_readout, after_read = after_read, \
+          compression = COMPRESSION, enabled_plots=ENABLED_PLOTS, \
+          keep=False, check_positions=False, plot_types=CUSTOM_PLOT_TYPES)  
+    set_return(r)  
+finally:
+    after_scan()   
+