NCGeometryUtils Class Reference

A set of functions for working with geometries. More...

#include <com/navigine/idl/objc/NCGeometryUtils.h>

Inherits NSObject.

Class Methods
(float)	+ distanceBetweenGlobalPoints:to:
	Get distance between GPS points.
(float)	+ distanceBetweenPoints:to:
	Get distance between points.
(float)	+ segmentLength:
	Get length of segment.
(float)	+ polygonArea:
	Get polygon area.
(nonnull NCPoint *)	+ polygonCenter:
	Get polygon geometric center.
(BOOL)	+ polygonContainsPoint:point:
	Checks that polygon contains point.
(float)	+ segmentPointDistance:point:
	Get distance from segment to point.
(BOOL)	+ segmentIntersectsSegment:segment2:
	Checks the intersection of two segments.
(nonnull NCPoint *)	+ segmentIntersectionSegment:segment2:
	Calculate the intersection point of two segments.
(float)	+ divisionRatioBySegment:segment2:
	Calculate the division ratio of a segment by a given segment(if intersects)
(nonnull NCPoint *)	+ getRatioPoint:r:
	Calculate projection point on a segment.
(double)	+ getProjectionRatio:point:
	Calculate the division ratio of a segment by a given point Calculate projection point on a segment.

Detailed Description

A set of functions for working with geometries.

Definition at line 21 of file NCGeometryUtils.h.

Method Documentation

distanceBetweenGlobalPoints:to:

+ (float) distanceBetweenGlobalPoints:		(nonnull NCGlobalPoint *)	from
to:		(nonnull NCGlobalPoint *)	to

Get distance between GPS points.

Parameters

from	start point of calculation GlobalPoint
to	end point of calculation GlobalPoint

Returns

distance in meters

distanceBetweenPoints:to:

+ (float) distanceBetweenPoints:		(nonnull NCPoint *)	from
to:		(nonnull NCPoint *)	to

Get distance between points.

Parameters

from	start point of calculation Point
to	end point of calculation Point

Returns

distance in meters

divisionRatioBySegment:segment2:

+ (float) divisionRatioBySegment:		(nonnull NCSegment *)	segment1
segment2:		(nonnull NCSegment *)	segment2

Calculate the division ratio of a segment by a given segment(if intersects)

Parameters

segment1	first segment of calculation Segment
segment2	second segment of calculation Segment

Returns

division ratio

getProjectionRatio:point:

+ (double) getProjectionRatio:		(nonnull NCSegment *)	segment
point:		(nonnull NCPoint *)	point

Calculate the division ratio of a segment by a given point Calculate projection point on a segment.

Parameters

segment	segment of calculation Segment
point	point of calculation Point

Returns

division ratio

getRatioPoint:r:

+ (nonnull NCPoint *) getRatioPoint:		(nonnull NCSegment *)	segment
r:		(double)	r

Calculate projection point on a segment.

Parameters

segment	segment of calculation Segment
r	division ratio

Returns

ratio point Point

polygonArea:

+ (float) polygonArea:

(nonnull NCPolygon *)

polygon

Get polygon area.

Parameters

polygon

polygon object for calculation Polygon

Returns

area in meters

polygonCenter:

+ (nonnull NCPoint *) polygonCenter:

(nonnull NCPolygon *)

polygon

Get polygon geometric center.

Parameters

polygon

polygon object for calculation Polygon

Returns

center point Point

polygonContainsPoint:point:

+ (BOOL) polygonContainsPoint:		(nonnull NCPolygon *)	polygon
point:		(nonnull NCPoint *)	point

Checks that polygon contains point.

Parameters

polygon	polygon object in which looking for contents Polygon
point	checking point object Point

Returns

contains or not

segmentIntersectionSegment:segment2:

+ (nonnull NCPoint *) segmentIntersectionSegment:		(nonnull NCSegment *)	segment1
segment2:		(nonnull NCSegment *)	segment2

Calculate the intersection point of two segments.

Parameters

segment1	first segment of calculation Segment
segment2	second segment of calculation Segment

Returns

intersection point Point

segmentIntersectsSegment:segment2:

+ (BOOL) segmentIntersectsSegment:		(nonnull NCSegment *)	segment1
segment2:		(nonnull NCSegment *)	segment2

Checks the intersection of two segments.

Parameters

segment1	first segment of calculation Segment
segment2	second segment of calculation Segment

Returns

intersects or not

segmentLength:

+ (float) segmentLength:

(nonnull NCSegment *)

segment

Get length of segment.

Parameters

segment

segment object for calculation Segment

Returns

length in meters

segmentPointDistance:point:

+ (float) segmentPointDistance:		(nonnull NCSegment *)	segment
point:		(nonnull NCPoint *)	point

Get distance from segment to point.

Parameters

segment	start segment of calculation Segment
point	end point of calculation Point

Returns

distance in meters

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The documentation for this class was generated from the following file:

• NCGeometryUtils.h