Changes between Version 28 and Version 29 of Processing/ALSPP
- Timestamp:
- Sep 13, 2011, 10:42:26 AM (13 years ago)
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Processing/ALSPP
v28 v29 14 14 1. Select the Output directory 15 15 * Click Select > Goto Folder and select <projname>/processing/als50/las. You should create directory if it doesn't exist. 16 1. If you have large flightlines, limit the .LAS files to 10 million points (under file, output options) to make it easier to classify the points in !TerraScan17 16 1. If the project is not in the UK, you will need to change the projection (File -> Output Options -> Change output format), change: zone, height and width 18 17 1. Save settings for future re-processing purposes. … … 34 33 * POS errors. Angular difference between the IMU and the ALS optics reference frames. Needs to be known accurately. 35 34 * Elevation offset. This needs to be set if we have ground control points: is normally non-zero. It is identified using the TScan Control Report (eh?). The LIDAR is then reprocessed using the opposite of the DZ offset. 36 * Inten isty. Use the Raw intensity.35 * Intensity. Use the Raw intensity. 37 36 38 37 == Possible errors ==