Pocket 3D: Using the Auto-topo function

Use the Auto-topo function in Pocket 3D to speed up collection of large areas, either by walking or using a motorized vehicle.

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Pocket 3D: Using the Auto-topo function

Auto-topo menu

In the Survey menu, select Auto-topo, and view the available options:

  • By distance...
  • By time...
  • By elevation...
  • Polyline...

Auto-topo by distance

  1. Enter the interval at which Pocket 3D will automatically take a topo shot.
  2. Select whether you want to measure from the last Auto-topo shot, or to the last shot taken manually while in Auto-topo.
  3. Select or create the layer where the shots will be stored.
  4. Add a point description, if desired.
  5. Select whether you want to assign point numbers, and choose a starting number.
  6. Clicking the Start button will take the first shot at your current location.

Auto-topo by time

  1. Enter your desired time interval. Shots will still be recorded if you are stationary.
  2. Select or create the layer where the Auto-topo shots will be stored.
  3. Add a point description, if desired.
  4. Select whether you want to assign point numbers, and choose a starting number.
  5. Clicking the Start button will take the first shot at your current location.

Auto-topo by elevation

  1. Enter your desired elevation interval.
  2. Select whether you want to measure from the last Auto-topo shot, or to the last shot taken manually while in Auto-topo.
  3. Select or create the layer where the Auto-topo shots will be stored.
  4. Add a point description, if desired.
  5. Select whether you want to assign point numbers, and choose a starting number.
  6. Clicking the Start button will take the first shot at your current location.

Using Auto-topo to create a polyline

  1. Select the minimum distance that the vertices of the polyline will be measured. In this case, distance is the only collection option.
  2. Select or create the layer where the Auto-topo shots will be stored.
  3. Clicking the Start button will take the first shot at your current location.

Note: Points are not being collected as the polyline is being created. If desired, points can be created later using Data > Calc wizard > Convert polyline to points.

Stop Auto-topo

If the Auto-topo survey was collected by distance, time, or elevation, it can be ended by going to the Survey menu and clicking Stop auto-topo.

End polyline

To end an Auto-topo polyline, go to the Survey menu, select Measure pts, then End polyline.