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rgeos (version 0.2-15)

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

0.2-15

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

March 29th, 2013

Functions in rgeos (0.2-15)

Centroid of Geometry

Boundary of Geometry

RGEOS Utility Functions

RGEOS Utility Functions

Convex Hull of Geometry

Envelope of Geometry

gpc.poly.nohole-class

Class "gpc.poly.nohole"

Is Geometry a Ring?

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

Geometry Intersections

Linestring Polygonizer

Geometry Relationships - Touches

Length of Geometry

Distance between geometries

Is Geometry Valid?

Buffer Geometry

Is Geometry Simple?

Generics/Methods for polygon objects

SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"

Area of Geometry

Read/Write polygon data

Geometry Symmetric Difference

RGEOS Experimental Functions

Experimental Functions

SpatialRings-class

Class "SpatialRings"

SpatialCollections-class

Class "SpatialCollections"

RGEOS WKT Functions

RGEOS WKT Functions

Geometry Relationships - Intersects and Disjoint

gPointOnSurface

Point on Surface of Geometry

RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions

Is Geometry Empty?

Geometry Relationships - Crosses and Overlaps

Simplify Geometry

Geometry Relationships - Contains and Within

Geometry Difference

SpatialCollections

create SpatialCollections

calc.labpt.strings

optimally compute label points

Class "gpc.poly"

create SpatialRings or SpatialRingsDataFrame

Geometry Relationships - Equality