en:measure_distance_with_geofencing [EasyMapping Wiki]

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====== Measure distance with Geofencing ======


===== Icon =====
{{:icon:distance_from_geofencing_icon.png?50|}}

===== How it works =====

**Only available in expert mode**.

This option allows you to check the use of a course map by comparing it with a geo-barrier map.

The option is only available **when at least one map is loaded in the application**.

===== Application =====

When the option is activated, a window opens allowing you to :
  - Select the maps (course map and geofencing map) to be compared.
  - Enter the verification distances:
    * The **minimum U-turn distance** to check that **row ends** are at a distance from the geofence greater than or equal to the value
    * The **minimum distance with rows** to check that **segment sections are at all points** at a distance from the geo-fence greater than or equal to the value.

{{ :en:check_gfg_distance_window.png?400 |}}

Once the option has been activated by clicking on **VALIDATE**, two filters appear to display problem areas:
  * in red, row ends too close to the geo-fence
  * In orange, row sections too close to the geo-fence

{{ :en:check_gfg_distance_example.png?400 |}}

These two filters can be deleted by clicking on the **CLEAR** button, or by clicking on the delete filters option in the [[layers_dialog|menu for maps]].