Author Topic: Track Editing and Management with ReefMaster  (Read 12320 times)

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Offline matt@reefmaster

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Track Editing and Management with ReefMaster
« on: May 05, 2013, 04:02:51 PM »
ReefMaster offers a host of features beyond mapping, such as waypoint and track management - such as editing and consolidating GPS tracks that you want to save for viewing on your unit.

First up, edit your tracks using a range of graphical track editing facilities, such as cropping, deleting or filtering track-points.
Once you have edited your tracks, they can be added to a single User Map, where they can be simplified (to reduce the track-point count) and exported as a single Humminbird track, with a separate section for each original track. This offers two big benefits; firstly, you use fewer of your saved track slots on your Humminbird. Secondly, if you like to modify the line-style of your saved tracks (eg - set a solid line-style), you can now do this by modifying fewer tracks - often, you can combine all the tracks you want into just a single slot.

In the example below (a real-world one from a local fishing guide) we combined 11 tracks which originally had over 15000 track-points between them into a single track with just over 2000 track points. Given that we can use over 21k track-points in a single Humminbird track, we could have put 100 tracks of this average size into this single slot had we wanted to!

1. Edit the tracks if necessary - here we just cropped the track to keep the section that comes out of a creek mouth which can be a bit treacherous at low tide.

2. Add the track(s) you want to a User Map

3. Edit the paths further if required - you can draw extensions, or drag nodes around, delete nodes etc. Simplify paths to reduce the track-point count if required. ReefMaster uses the Douglas-Peucker path simplification algorithm.

4. Once your map is done, you can export it as a single Humminbird track. Just right-click and "Write to File".

ReefMaster - Waypoint Management and Underwater Mapping Software for Fishermen

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