Changes between Version 20 and Version 21 of Processing/LidarCalibrationProcedure

Timestamp:

Jul 14, 2010, 10:19:09 AM (14 years ago)

Author:

emca

Comment:

--

Processing/LidarCalibrationProcedure

@@ -98 +98 @@
  * 1. Nominal offset determination A1
  * 2. Define relative differences for A2,A3,A4 and B1,B2,B3,B4 
+ * 3. Check if an offset exists between bank A and bank B
 
 points have approx. the same range error within +/-7 degrees of Nadir, so we look only at this region firstly.
@@ -124 +125 @@
  * Then process the 4 high altitude flights in ALSPP and check in Terrascan (around nadir and swath edges) (looking at absolute height).
  * Finally load in all flights into Terrascan (within a fence if memory issues) and check them (ideally along a stream because this has a “good” profile) Can use the travel path tool in Terrascan for comparing cross sections along a path. 
+
+5. Check for offset between bank A and bank B
+ * Leica have advised that *some* systems have an offset between bank A and bank B. To check for an offset process a single line using only returns from bank A then using only returns from bank B (ALSPP: Filters > Pre-Proc Filters > Filter Range Bank A/B).
+ * Load the results in !TerraScan and check for any elevation difference. 
+    * If there is none then great. 
+    * If a consistent offset is visible then adjust all the values for bank B by this offset. Re-run the line again and check the result.
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 == Final validation ==