GetCentroid()
Summary
Gets the centroid location of an area feature.
Syntax
c = GetCentroid(integer area_id)
| Argument | Contents |
|---|---|
| area_id | The ID of an area feature |
Returns
A coordinate indicating the location of the area centroid.
Notes
-
GetCentroid() works only when the current layer is an area layer.
Example
SetLayer("States")
id = RH2ID(LocateRecord("States", "Name", {"Arizona"}))
ctr = GetCentroid(id)
CenterMap(curr_map, ctr)Error Codes
| Error Type | Meaning |
|---|---|
| Error | The current layer is of the wrong type |
| NotFound | There is no area with the specified ID in the current layer |
See Also
| Function | Summary |
|---|---|
| GetArea() | Get the coordinates that describe an area feature |
| GetInternalPoint() | Gets a point internal to an area |
| GetPolygonInternalPoint() | Gets a point internal to a polygon |