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2019-07-20 05:55:06 -05:00
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Format used by Signal-Server for LIDAR is as follows:
GDAL Driver AAIGrid
Type Int32
Projection EPSG:4326
Pacific Northwest LIDAR comes in esri .e00 format. To get it into a usable form
we can use gdal tools.
Reproject the source data to EPSG:4326 (GRS84, lat/long)
gdalwarp -t_srs EPSG:4326 -of GS7BG -ot Float64 srcfile.e00 destfile.xyz
[user@host ~]$ gdalwarp -t_srs EPSG:4326 -of GS7BG -ot Float64 ~/q47122a71.e00 ~/q47122a71.xyz
Convert the intermedatry file to AAIGrid Int32
gdal_translate -of AAIGrid -ot Int32 srcfile.xyz destfile.asc
[user@host ~]$ gdal_translate -of AAIGrid -ot Int32 ~/q47122a71.xyz ~/q47122a71.asc
The above could be pipelined to reduce intermedaty files.