====== Semi Automated Measurement Tools =======

The aim of this exercise is to demonstrate to the user how to measure using semi automated tools. The user will be able to measure using part of the inventory of semi automated tools available within Orbit Feature Extraction.

  * Relevant for : 3DM Feature Extraction Standard - Pro
  * Product use for recording : 3DM Feature Extraction Standard 18.1.1
===== Preparations =====

=== Reference documentation ===

  * [[180:technology:3d_mapping:measure_pointcloud|]]
  * [[180:desktop:preferences:3dhover|]]
  * [[180:desktop:map:3d_measurements|]]

=== Preceding Exercises ===  

  * [[exercises:desktop:pointcloud_measurements|]]

=== Resources ===

  * CA Toronto\MMS Orbit Runs

===== Exercise =====
Measure objects using different semi automated tools.

  - Add the run \\ CA Toronto by Optech.  
  - Measure \\ a side of the road between two intersections, using the "Closest Point" technique and choose for the semi automated "Ridge with 1 point" tool.
  - Measure \\ an electric cable, using the "Closest Point" technique and choose for the semi automated "Curve with 1 point" tool.
  - Measure \\ a dashed road mark, using the "Closest Point" technique and choose for the semi automated "Road mark with 3 points" tool.

===== Results =====

{{  :exercises:desktop:exercise_semi_automatic_ridge_detection.png?nolink&800  |}}
{{  :exercises:desktop:exercise_semi_automatic_catenary.png?nolink&800  |}}
{{  :exercises:desktop:exercise_semi_automatic_ridge_roa_markings.png?nolink&800  |}}