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rgeos (version 0.2-9)

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

738

Version

0.2-9

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

November 12th, 2012

Functions in rgeos (0.2-9)

SpatialCollections

create SpatialCollections

Read/Write polygon data

Geometry Relationships - Intersects and Disjoint

Is Geometry Simple?

Area of Geometry

Is Geometry Valid?

Generics/Methods for polygon objects

SpatialCollections-class

Class "SpatialCollections"

Centroid of Geometry

SpatialRings-class

Class "SpatialRings"

Envelope of Geometry

gpc.poly.nohole-class

Class "gpc.poly.nohole"

Geometry Relationships - Contains and Within

RGEOS Experimental Functions

Experimental Functions

Linestring Polygonizer

Boundary of Geometry

Simplify Geometry

SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"

Geometry Relationships - Crosses and Overlaps

Distance between geometries

Buffer Geometry

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

Geometry Intersections

Is Geometry Empty?

calc.labpt.strings

optimally compute label points

Is Geometry a Ring?

gPointOnSurface

Point on Surface of Geometry

Geometry Difference

Geometry Relationships - Equality

Geometry Symmetric Difference

RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions

RGEOS Utility Functions

RGEOS Utility Functions

RGEOS WKT Functions

RGEOS WKT Functions

Length of Geometry

Geometry Relationships - Touches

Convex Hull of Geometry

create SpatialRings or SpatialRingsDataFrame

Class "gpc.poly"