geoDistance (Function)

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geoDistance (Function)

In french: geoDistance

Returns the distance between the two positions. This distance is expressed in meters by default.

Versions 17 and later

This function is now available for the Windows Phone applications.

This function is now available for the iPhone/iPad applications.

New in version 17

This function is now available for the Windows Phone applications.

This function is now available for the iPhone/iPad applications.

This function is now available for the Windows Phone applications.

This function is now available for the iPhone/iPad applications.

Versions 18 and later

This function is now available in Android Widget mode.

New in version 18

This function is now available in Android Widget mode.

Versions 20 and later

This function is now available in WEBDEV Server.

This function is now available for the WINDEV applications in Windows.

New in version 20

This function is now available in WEBDEV Server.

This function is now available for the WINDEV applications in Windows.

This function is now available in WEBDEV Server.

This function is now available for the WINDEV applications in Windows.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

pos1 is géoPosition
pos1..Latitude = 1.442951
pos1..Longitude = 43.604363

pos2 is géoPosition
pos2..Latitude = 2.505874
pos2..Longitude = 50.458744

InfoBuild("The distance between the two positions is equal to %1 meters.", geoDistance(pos1, pos2))

Syntax

<Result> = geoDistance(<Position 1> , <Position 2> [, <Unit>])

<Result>: Real

Approximate distance between the two positions. This distance is expressed in the selected unit (in meters by default).

<Position 1>: geoPosition variable

Name of geoPosition variable corresponding to the first position to compare.

<Position 2>: geoPosition variable

Name of the geoPosition variable corresponding to the second position to compare.

<Unit>: Integer constant

Versions 16 and later
Unit in which the distance must be returned:
geoKilometer Distance in kilometers.
geoMeter
(default value) Distance in meters.
geoMile Distance in international earth miles.
New in version 16
Unit in which the distance must be returned:
geoKilometer Distance in kilometers.
geoMeter
(default value) Distance in meters.
geoMile Distance in international earth miles.
Unit in which the distance must be returned:
geoKilometer Distance in kilometers.
geoMeter
(default value) Distance in meters.
geoMile Distance in international earth miles.

Remarks

The calculation of the distance between the two positions is based on the WGS84 ellipsoid (Worldwide Geodesic System, 1984).

Component : wd250device.dll