Write OSMTracker headings as having a magnetic reference

The compass values it writes comes from the on-board magnetic compass.
dfandrich · Jan 29, 2024 · 1bce11e · 1bce11e
1 parent db2e332
commit 1bce11e
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/gpx-read.c b/gpx-read.c
@@ -66,6 +66,7 @@ static void ExtractTrackPoints(xmlNodePtr Start)
 	const char* Elev;
 	const char* Time;
 	const char* Heading;
+	char HeadingRef = 'T';
 
 	for (Current = Start; Current; Current = Current->next)
 	{
@@ -129,6 +130,7 @@ static void ExtractTrackPoints(xmlNodePtr Start)
 							if (Extensions->children)
 							{
 								Heading = (const char *)Extensions->children->content;
+								HeadingRef = 'M';  /* This comes from the compass */
 								break;
 							}
 
@@ -204,6 +206,7 @@ static void ExtractTrackPoints(xmlNodePtr Start)
 			}
 			if (Heading) {
 				LastPoint->MoveHeading = atof(Heading);
+				LastPoint->HeadingRef = HeadingRef;
 			}
 			LastPoint->Time = ConvertToUnixTime(Time, GPX_DATE_FORMAT, 0, 0);
 

diff --git a/tests/data/test169.result b/tests/data/test169.result
@@ -31,9 +31,9 @@ Failed:      0 (0 Not matched, 0 Write failure, 0 Too Far,
 0x0005 GPSInfo      GPSAltitudeRef              Byte        1  1
 0x0006 GPSInfo      GPSAltitude                 Rational    1  420671/1000
 0x0007 GPSInfo      GPSTimeStamp                Rational    3  12/1 35/1 20/1
-0x000e GPSInfo      GPSTrackRef                 Ascii       2  T
+0x000e GPSInfo      GPSTrackRef                 Ascii       2  M
 0x000f GPSInfo      GPSTrack                    Rational    1  315/1
-0x0010 GPSInfo      GPSImgDirectionRef          Ascii       2  T
+0x0010 GPSInfo      GPSImgDirectionRef          Ascii       2  M
 0x0011 GPSInfo      GPSImgDirection             Rational    1  355/1
 0x0012 GPSInfo      GPSMapDatum                 Ascii       7  WGS-84
 0x001d GPSInfo      GPSDateStamp                Ascii      11  2012:11:22