From 0b3cb91a99aedaf6fa87ba6d4c23367e396694db Mon Sep 17 00:00:00 2001
From: Hsieh Chin Fan <typebrook@gmail.com>
Date: Sun, 26 Jul 2020 13:03:26 +0800
Subject: Add gpx2geojson.sh

---
 tools/gpx/gpx2geojson.sh | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100755 tools/gpx/gpx2geojson.sh

(limited to 'tools')

diff --git a/tools/gpx/gpx2geojson.sh b/tools/gpx/gpx2geojson.sh
new file mode 100755
index 0000000..eefcf5e
--- /dev/null
+++ b/tools/gpx/gpx2geojson.sh
@@ -0,0 +1,48 @@
+#! /bin/bash
+
+<$1 xq '.gpx |
+  (
+    label $out |
+    if .wpt != null then [.wpt] else break $out end |
+    flatten[] |
+    {
+      type: "Feature",
+      properties: { name: .name },
+      geometry: {
+        type: "Point",
+        coordinates: [
+          (.["@lon"]|tonumber),
+          (.["@lat"]|tonumber),
+          (.ele | if . == null then null else tonumber end)
+        ]
+      }
+    }
+  ),
+  (
+    label $out |
+    if .trk != null then [.trk] else break $out end |
+    flatten[] |
+    {
+      type: "Feature",
+      properties: { name: .name },
+      geometry: {
+        type: "MultiLineString",
+        coordinates:
+          [.trkseg] | flatten | map(
+            .trkpt | map(
+              [
+                (.["@lon"]|tonumber),
+                (.["@lat"]|tonumber),
+                (.ele | if . == null then null else tonumber end)
+              ]
+            )
+          )
+      }
+    }
+  )
+' | jq -s '
+  {
+    type: "FeatureCollection",
+    features: .
+  }
+'
-- 
cgit v1.2.3-70-g09d2