Trees - Height Measurement & GPS Data Storage
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App summary
Step 1 - Input distance
Distance data is obtained by other tools such as yard-tape or rangefinder
Step 2 - Set the top/bottom angle
See through the target by Camera
Step 3 - Calculate height
Additional tree data manually collected
1. Horizontal distance – measured by rangefinder or measuring tape
2. Diameter – measuring tape or trunk caliper
3. Tree name -- Select from list
Operation procedure;
1. Start app, and wait several seconds until GPS location is displayed
2. Tap tree name for selecting species name
(Tree Name list is editable from menu, and direct editing /Android/Data/com.forest.trees/files/forest/Species_Data.txt as well
3. Input Diameter manually
4. Focus on tree top, and tap “Top” for view angle of tree top
5. Focus on center mark with tree bottom, and tap “Bottom” for view angle of tree bottom
(In that time, bearing data and time data is memorized)
6. Tap “Cal” for tree height calculation
7. Check the data, and tap “RECORD” for data recording
Data is stored to Internal storage (Android/Data/com.forest.trees/files/YYYYMMDD_data.csv)
Species List Data is edited by Option Menu - Species Editor
User reviews
- Easy to use
- Accurate measurements
- Very useful for tree surveys
- Good customer support and developer responsiveness
- Calibration issues on certain devices
- Difficult to use in the field for some users
- Camera always on
- No ability to record additional measurements like crown spread
- Easy to use
- Accurate measurements
- Calibration issues
- Field usability challenges
User reviews
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