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Ticket Resolution Summary Owner Reporter
#87 fixed Aznav omits initial 0 on grid references starting with 0 benj benj
Description

As title - if aznav processes a line that starts or ends on a grid reference where one component starts with 0 (eg NZ 0429 9739 - Harwood line 6 end), on display it omits the initial zero and displays a three-digit number instead of a four-digit number (eg NZ 429 9739). This can be confusing, though it appears to process correctly.

#90 fixed Experiment with and compare processed LIDAR to NextMAP benj mggr
Description

Have a look at the LIDAR point cloud available in ~arsf/arsf_data/in_progress/2007/flight_data/uk/GB2007_06-2007_192a_Dorchester (lidar/07*).

Attempt to process it into a DEM and any necessary cleanup using GRASS (Environment Agency use GRASS too). Ask me to talk you through the data format (it has some weirdities) before you start.

Compare against the existing NextMAP DEM (tiles sy69,sy78,sy79) to see how 'good' the result is.

Document GRASS procedure on the wiki! (maybe http://www.npm.ac.uk/rsg/projects/arsf/trac/wiki/Processing/LIDARDEMs)

#104 fixed HDF read-only access benj mggr
Description

Peter Land suggested altering azgcorr to allow L1 files to be opened read-only. Currently they are opened read-write, which causes problems if they are on / were copied from read-only media.

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