Changeset 69

Timestamp:

08/20/07 19:19:22

Author:

cbc

Message:

Fulfill ticket #11: Compute minimum altitude

Files:

• sodar/trunk/sodar/data.py (modified) (3 diffs)

sodar/trunk/sodar/data.py

@@ -114 +114 @@
-        self._convert()
-        self._stamp()
-tim
+sampl
-        # correct for missing times
-# compute minium altitude
+self._minimumAltitude()
-        # compute maximum overall altitude
-        # compute number of altitudes
@@ -165 +165 @@
-                sample['stamp'] = datatime.datetime.min
-    
-tim
-time interval attribute
+sampl
+sample interval attribute.
-        intervals = zip([sample['stamp'] for sample in self.samples[:-1]],
-                        [sample['stamp'] for sample in self.samples[1:]])
@@ -179 +179 @@
-        for key,value in accumulator.items():
-            if value == maxVotes:
-tim
+sampl
-                break
-tim
-tim
+sampl
+sampl
-                                    datetime.timedelta.resolution)
+    
+    def _minimumAltitude(self):
+        """Add a minimum altitude attribute."""
+        accumulator = {}
+        for sample in self.samples:
+            minalt = sample['body'][0]['ALT']
+            sample['header']['minalt'] = minalt
+            if minalt is not n.NaN:
+                if minalt in accumulator:
+                    accumulator[minalt] += 1
+                else:
+                    accumulator[minalt] = 1
+        maxVotes = max(accumulator.values())
+        for key,value in accumulator.items():
+            if value == maxVotes:
+                self.minimumAltitude = key
+                break
+        self.minimumAltitude = getattr(self,
+                                       'minimumAltitude',
+                                       0.0)
-
-