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rgeos (version 0.2-7)

Interface to Geometry Engine - Open Source (GEOS)

Description

Interface to Geometry Engine - Open Source (GEOS) using the C API for topology operations on geometries. The GEOS library is external to the package, and, when installing the package from source, must be correctly installed first. Windows and Mac Intel OS X binaries are provided on CRAN.

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Version

Install

install.packages('rgeos')

Monthly Downloads

418

Version

0.2-7

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

June 29th, 2012

Functions in rgeos (0.2-7)

Length of Geometry

Boundary of Geometry

Convex Hull of Geometry

Linestring Polygonizer

SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"

create SpatialRings or SpatialRingsDataFrame

gpc.poly.nohole-class

Class "gpc.poly.nohole"

Geometry Relationships - Intersection Matrix Pattern (DE-9IM)

Geometry Relationships - Crosses and Overlaps

Centroid of Geometry

RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions

Geometry Relationships - Intersects and Disjoint

Is Geometry Empty?

Geometry Intersections

Distance between geometries

Geometry Relationships - Touches

SpatialCollections-class

Class "SpatialCollections"

Generics/Methods for polygon objects

Buffer Geometry

Is Geometry Valid?

Geometry Difference

Envelope of Geometry

Geometry Relationships - Contains and Within

Is Geometry Simple?

Read/Write polygon data

RGEOS Experimental Functions

Experimental Functions

SpatialRings-class

Class "SpatialRings"

Area of Geometry

SpatialCollections

create SpatialCollections

Geometry Relationships - Equality

Is Geometry a Ring?

Class "gpc.poly"

gPointOnSurface

Point on Surface of Geometry

Simplify Geometry

RGEOS WKT Functions

RGEOS WKT Functions

RGEOS Utility Functions

RGEOS Utility Functions

Geometry Symmetric Difference