===== Crosswalk Measurement =====

This video is about extracting crosswalks as polygons using the Point Clouds. \\

{{ :recordings:tutorials:howtomeasure_pointcloud:crosswalk.mp4?nolink&850x478 |}}

==== Step by step ====

  - Open the pre-prepared Mobile Mapping Resource
  - Set 3D Hover Preferences
  - Measure crosswalks  
  - //**Optional**// : modify the default parameters of croaswalks detection under the //Detectors// settings 
  - **//Optional//** : save measurements in an area vector file

==== Used Data ====

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

==== Reference Documentation ====

  * [[234:technology:3d_mapping:measurements_semi_automated|]] 
  * [[234:desktop:map:3d_measurements|]] 
  * [[234:desktop:preferences:3dhover|]]