ph_latlongdist PowerHome formula function
Description
Determines the straight line distance
between two latitude/longitude
points.
Syntax
ph_latlongdist ( lat1, long1, lat2, long2
)
| Argument |
Description |
| lat1 |
Double. The latitude for point 1. |
| long1 |
Double. The longitude for point 1. |
| lat2 |
Double. The latitude for point 2. |
|
long2
|
Double. The longitude
for point2.
|
Return value
Double. The distance between the two points
is returned
in kilometers.
Usage
The lat/long values must be entered in pure
decimal format. Northern latitudes are entered as a positive number, southern
latitudes as a negative number. Eastern longitudes are a positive number,
western longitudes are a
negative number.
Examples
The following examples demonstrate typical syntax/usage for this function.
ph_latlongdist(28.6761,-81.5106,27.9710,-82.4650)
The
above example calculates the distance between Apopka, Florida and Tampa,
Florida. The returned value will be: 121.9592661764512
kilometers.