Answers GPS-practical

Determine length of track (1)• Add a attribute to the attribute table

• Accuracy = cm? Scale 2

• Maximum length = 10 km? Precision 5 + scale (2) = Total precision: 7

Determine length of track (2)

Determine distribution among topography classes

Question: How many points fall in each topography class

• Step 1:join the information on Topography to the GPS points

Determine distribution among topography classes

Determine distribution among topography classes

• Step 2: Determine frequency of topoclass

Determine distance from pond to the 10 closest marked waypoints

• 1: Export/Select the pond– Select the pond from the layer “Top10GPS”– Rightclick the layer “Top10GPS”– In the menu select Data Export

Determine distance from pond to the 10 closest marked waypoints

• Join (Spatial) pond to waypoints

• Select GPSpoints add join

Determine distance from pond to the 10 closest marked waypoints