formZ SDK | 5.0 API Reference | System | Math

# fz_math_2d_area_of_polygon

Description

Finds the area for a polygon.
The polygon is defined by the points in the pts array. npts indicates how many 2d points are in the polygon, as passed in pts. If the polygon is defined in counterclockwise direction, the area is negative, otherwise it is positive.

Plugin Prototype

fzrt_error_td fz_math_2d_area_of_polygon(

fz_xy_td * | pts,
fzrt_int | npts,
double * | area )

Parameters

pts [Input]

polygon points array

npts [Input]

number of 2d points in the polygon

area [Result]

area of the polygon

Returns

Error codes

Availability

5.0.0.0

Example Files

util_math_2d.fsl

See Also

,, ,

Function Set

fz_math_fset

Defined in

fz_math_api.h