Risk Impact Zone data can be edited on either the Risk Impact Zone Grid Window of the Polygons Grid or the Risk Impact Zone Property Sheet.
Most data can be edited on the grid, but some fields cannot be displayed in the grid format.
To view and edit all zone data, use the Property Sheet.
Risk Impact Zones are used to aggregate the results from individual Damage Receptors into geographical groupings, such as postcodes or districts. The use of zones allows users to inspect and analyse risk results data by area, rather than just at damage receptor level, providing a more realistic representation of damage.
The following describes all the data which can be used to define a Risk Impact Zone. For details of results fields, see the Risk Impact Zone Results Data Fields topic.
Fields that are common to the majority of objects can be found in the Common Fields topic.
Risk Impact Zone Data
Database Table Name: hw_risk_impact_zone
|
Field Name |
Help Text |
Database Field |
Size |
Precision |
Default |
Error Lower Limit |
Error Upper Limit |
Warning Lower Limit |
Warning Upper Limit |
||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
ID |
The name of the zone |
polygon_id |
Text |
64 |
|
0 |
|
|
|
|
|
| Category | Used to group sets of zones together for reporting purposes. | category_id | Text |
64 |
0 |
|
|
|
|
|
|
|
Area |
Zone area. Default value calculated from polygon geometry. |
area |
Double |
CA |
3 |
||||||
|
Boundary Array |
An array of X/Y values defining the geometry of the zone. |
boundary_array |
Array |
|
XY |
0 |
|
|
|
|
|