
Merging tracks
When you import tracks into TrailRunner, some parts of the tracks might overlap and other parts will describe new courses. To eliminate duplicate tracks and way-points TrailRunner can merge these. Either by selecting the option when you import a new route or manually as described here. Added to that, GPS receivers sometimes get lost and record locations that are way off your real track. If that happens, you need to manually correct the tracks path.
Removing overlapping parts of tracks
The example below shows two tracks. The left depicts two tracks that share a similar path in the lower part but overlap. Would your course start from below you could either chose to go straight or go right at the crossing that is actually missing with the two tracks. The right example shows a merged version of the two tracks with a new way-point being a crossing-point.
To get the result on the right, you could do one of the following commands:
Select one of the two tracks and use File > Consolidate > Merge Selection to merge the selected track with any tracks in the map that overlap
Using the way-point tool, hold the ⌘ key and place a new crossing-point at the intersection of the two tracks. TrailRunner will automatically merge the lower part with the two overlapping tracks-parts.
Please note that TrailRunner will adjust any existing routes to use the merged courses.
Merging also works with selected way-points that cross underlying tracks, When you merge a way-point it will then split any underlying tracks.
Replacing similarities
Another very common issue is the appearance of similar track courses you could reduce to one. This is mostly the case when you import tracks from a gps unit.
If you have a similar tracks as shown in the extreme example above where the GPS unit might have lost it's signal during the recoding, select the track you would like to keep and use File > Consolidate > Remove similar tracks to remove all others, replacing their usage by the selected track.
Manually correcting a path
Sometimes you need to manually relocate a way-point or track-points on a track. (A track is nothing more than a line through a sequence of track-points). To drag way-points or track-points around, you need to ⌘-click onto the way-point or track, keep the -key down and then drag the element to the target location.
When TrailRunner detects similarities to existing elements in the map a message will be displayed asking if you would like to merge the modified element with other elements in the document.