Adding Polygon Areas

Adding polygon areas allows free-hand polygons to be drawn on the map to identify the incident-affected areas.

Before you begin

Open the Manage Incidents screen.

Procedure

On the Affected tab's pane title bar, click the Polygon Area button:
A Polygon Area section is added to the tab.
Plot the polygon on the map:
1. On the map toolbar, click the Plot button:
2. Click the Plot button again to select how the polygon will be drawn on the map:
  
  Disable Snapping
  
  Turn off snapping of polygon lines and vertices to street segments.
  
  Snap to Segment Vertex Only
  
  Only vertices can be drawn when street segments are clicked.
  
  Snap to Segment
  
  Lines and vertices can be drawn only when street segments are clicked.
  
  Street Routing
  
  Lines and vertices can be drawn only along street segments.
3. Draw the polygon on the map by clicking the map to identify the vertices of the polygon.
4. Double-click the first vertex to enclose the polygon area.
If you make a mistake while defining the polygon on the map, you can undo the last change made by clicking the Undo Latest Change button in the lower-right corner:
Provide the following information about the incident:

Name

Type a name for the affected area.

Evac

Select whether the area needs to be evacuated.

Action

(Optional) Define the street speed of the area.
Save the Incident record:
1. Click the Save button:
2. When prompted to save the record, click OK.
To create an area to which a priority can be applied:
1. In the lower-right corner of the section, click the Create Priority Area button:
2. When prompted to create a priority area based on the current evacuation area, click OK.
  The name of the polygon is copied to the Priority tab.
3. Click the Priority tab, click the priority area, and define the area's Priority.