From fb7c24cf1dc463219b4c2392839ebecb3e588ab6 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=98yvind=20A=2E=20Holm?= <sunny@sunbase.org>
Date: Wed, 23 Sep 2015 12:24:17 +0200
Subject: [PATCH] posmap: New script for plotting GPS tracks around a specific
 waypoint

50cb1cba-61dd-11e5-adb3-fefdb24f8e10
---
 posmap | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100755 posmap

diff --git a/posmap b/posmap
new file mode 100755
index 0000000..077f014
--- /dev/null
+++ b/posmap
@@ -0,0 +1,62 @@
+#!/bin/bash
+
+#=======================================================================
+# posmap
+# File ID: 46c65064-61d7-11e5-8232-fefdb24f8e10
+#
+# Plot GPS tracks around a specific waypoint.
+#
+# Author: Øyvind A. Holm <sunny@sunbase.org>
+# License: GNU General Public License version 2 or later.
+#=======================================================================
+
+progname=posmap
+VERSION=0.1.0
+
+if test "$1" = "--version"; then
+    echo $progname $VERSION
+    exit 0
+fi
+
+if test "$1" = "-h" -o "$1" = "--help"; then
+    cat <<END
+
+Plot GPS tracks around a specific waypoint.
+
+Usage: $progname waypoint_name [radius_in_metres]
+
+Options:
+
+  -h, --help
+    Show this help.
+  --version
+    Print version information.
+
+END
+    exit 0
+fi
+
+name="$1"
+if test -z "$name"; then
+    echo $progname: No waypoint name specified >&2
+    exit 1
+fi
+
+radius=100
+test -n "$2" && radius="$2"
+echo $progname: radius = $radius metres
+
+tmpfile="/tmp/.posmap.$(date +%s).$$.tmp"
+cat <<SQL_END | psql gps >"$tmpfile"
+COPY (
+    SELECT gpst FROM gpst
+        WHERE (coor <-> (
+            SELECT coor FROM wayp
+                WHERE name = '$1'
+                LIMIT 1
+            ) < 1.0*$radius/100000
+        )
+) TO STDOUT;
+SQL_END
+vg -2 -wd "$tmpfile"
+rm "$tmpfile"
-- 
2.11.4.GIT