Use new events defined in stormdrain that split bounds update and dat…

…a reflow

LMA/hdf5_lma.py

@@ -11,8 +11,7 @@ def __init__(self, h5filename, table_path=None, target=None, mode='r'):
         self.table = self.h5file.getNode(table_path)
         self.data = self.table[:]
 
-        self.bounds_updated_xchg = get_exchange('SD_bounds_updated')
-        self.bounds_updated_xchg.attach(self)
+        get_exchange('SD_reflow_start').attach(self)
 
         flash_table_path = table_path.replace('events', 'flashes')
         try:
@@ -58,7 +57,7 @@ def update(self, index_name="hdf_row_idx", field_names=None):
 
 
     def send(self, msg):
-        """ SD_bounds_updated messages are sent here """
+        """ SD_reflow_start messages are sent here """
 
         # do we send the whole events table, or somehow dynamically determine that?
 

LMA/live.py

@@ -92,8 +92,7 @@ class LiveLMADataset(object):
 
     def __init__(self, target=None, host=None, basedate=None):
         self.target = target
-        self.bounds_updated_xchg = get_exchange('SD_bounds_updated')
-        self.bounds_updated_xchg.attach(self)
+        get_exchange('SD_reflow_start').attach(self)
 
         self._t_offset = 0.0
         if basedate is not None:
@@ -123,7 +122,7 @@ def show(self, header, newdata):
             self.send("B4D_LMAnewsources_live")
 
     def send(self, msg):
-        """ SD_bounds_updated messages are sent here """
+        """ SD_reflow_data messages are sent here """
 
         # do we send the whole events table, or somehow dynamically determine that?
         if len(self._dataq) > 0:

NLDN.py

@@ -12,7 +12,11 @@
 
 
 class GroundMarkerHeightController(object):
-
+    """ When the bounds of the current view change, it's necessary to adjust
+        the height at which the ground-level markers are plotted, since they should be along
+        the bottom edge of the height view (their height is actually arbitrary) in order
+        to remain visible.
+    """
     def __init__(self, target=None, initial_height=0.0, alt_name='alt', alt_factor=1000.0):
 
         self.bounds_updated_xchg = get_exchange('SD_bounds_updated')