4.2.3.56 GetMeanOfAttributeValues

Prototype:

function GetMeanOfAttributeValues(const AttributeName: string; const Where: string): variant;

Description:

Returns the mean value of a numeric attribute specified by the AttributeName parameter in a given layer. The search is performed within the currently opened plot to which an SQL query specified by the Where parameter is applied.

Syntax:

variable := Layer.GetMeanOfAttributeValues(AttributeName,Where);

Part

Description

variable

A variable declared as a variant

Layer

A reference to the Field-Map layer as defined in Field-Map Project Manager

AttributeName

A reference to a Field-Map attribute in the specified Field-Map layer

Where

The Where parameter specifies the desired attribute using an SQL command

Return value:

a numeric variant