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2019-07-20 05:44:58 -05:00
parent b5116ba61e
commit 047c2f9d27
67 changed files with 18854 additions and 36 deletions
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10
utils/sdf/README.md
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@@ -107,15 +107,15 @@ The usgs2sdf utility takes as an argument the name of an uncompressed
and record delimited Digital Elevation Model Data (DEM) downloaded from
the US Geological Survey, and generates a SPLAT Data File (SDF) compatible
with signalserver. usgs2sdf may be invoked manually, or via the
postdownload script.
postdownload.sh script.
postdownload
============
postdownload is a front-end to the usgs2sdf utility. postdownload
postdownload.sh
===============
postdownload.sh is a front-end to the usgs2sdf utility. postdownload.sh
takes as an argument the name of the gzipped Digital Elevation Model
(DEM) downloaded from the US Geological Survey (ie: wilmington-w.gz).
postdownload uncompresses the DEM file, adds necessary record delimiters,
postdownload.sh uncompresses the DEM file, adds necessary record delimiters,
and invokes usgs2sdf to produce a SPLAT! Data File (SDF).
USGS Digital Elevation Models may be downloaded from:

4
utils/sdf/convert_sdf.sh Executable file
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@@ -0,0 +1,4 @@
for file in *hgt
do
sudo ./srtm2sdf -d /dev/null $file
done

4
utils/sdf/convert_sdf_hd.sh Executable file
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@@ -0,0 +1,4 @@
for file in *hgt
do
sudo ./srtm2sdf-hd -d /dev/null $file
done

33
utils/sdf/postdownload.sh Executable file
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@@ -0,0 +1,33 @@
#!/bin/bash
# Simple script for processing of downloaded undelimited gzipped
# USGS DEM files, and converting them to SPLAT Data Files.
# Written by John A. Magliacane, KD2BD May 2002.
# Last modified on Sunday 01-Mar-09.
if [ "$#" = "0" ]; then
echo
echo "This utility reads downloaded gzipped USGS DEM"
echo "files and generates equivalent SPLAT Data Files (SDFs)."
echo
echo "Files compatible with this SPLAT! utility may be"
echo "obtained at:"
echo
echo "http://edcftp.cr.usgs.gov/pub/data/DEM/250/"
echo
echo "Usage: postdownload.sh wilmington-w.gz"
echo
else
# gunzip the downloaded file...
echo -n "Uncompressing $1..."
gunzip -c $1 > unzipped_file
echo
echo "Adding record delimiters..."
dd if=unzipped_file of=delimited_file ibs=4096 cbs=1024 conv=unblock
# Invoke usgs2sdf to generate a SPLAT Data File...
usgs2sdf delimited_file
echo -n "Removing temp files..."
rm delimited_file unzipped_file
echo
echo "Done!"
fi