===== Free Catenary Cable Measurement =====

This video is about extracting catenaries with varying and fixed spacing.\\

**Catenary curves with varying spacing**
{{ :recordings:tutorials:howtomeasure_pointcloud:varying_spacing_2.mp4?nolink&850x478 |}}
\\


**Catenary curves with fixed spacing**
{{ :recordings:tutorials:howtomeasure_pointcloud:fixed_spacing_with_music.mp4?nolink&850x478 |}}
  * Double click at the last point will end the measurements.

==== Step by step ====

  - Open the pre-prepared Mobile Mapping Resource
  - Set 3D Hover Preferences
  - Measure Catenary 
  - **//Optional//** : save measurements in a line vector file

==== Used Data ====

  * The Mapping Resource used for this video:  "CA Toronto" 
  * The instructions to download: [[recordings:tutorials:notes|]]

==== Reference Documentation ====

  * [[dev:technology:3d_mapping:measurements|]] 
  * [[dev:desktop:map:3d_measurements|]] 
  * [[dev:desktop:preferences:3dhover|]]
  * [[dev:desktop_ext:generic|]]