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rgeos (version 0.2-12)

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

0.2-12

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

January 16th, 2013

Functions in rgeos (0.2-12)

RGEOS WKT Functions

RGEOS WKT Functions
gTouches

Geometry Relationships - Touches
gSimplify

Simplify Geometry
gLength

Length of Geometry
SpatialCollections-class

Class "SpatialCollections"
gIsValid

Is Geometry Valid?
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gPointOnSurface

Point on Surface of Geometry
polyfile

Read/Write polygon data
gIsSimple

Is Geometry Simple?
gBuffer

Buffer Geometry
RGEOS Experimental Functions

Experimental Functions
gDifference

Geometry Difference
RGEOS Utility Functions

RGEOS Utility Functions
gSymdifference

Geometry Symmetric Difference
Ring-class

Class "Ring"
gContains

Geometry Relationships - Contains and Within
gBoundary

Boundary of Geometry
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
new-generics

Generics/Methods for polygon objects
gCrosses

Geometry Relationships - Crosses and Overlaps
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
gIntersection

Geometry Intersections
gUnion

Geometry Union
gIntersects

Geometry Relationships - Intersects and Disjoint
gIsEmpty

Is Geometry Empty?
gpc.poly-class

Class "gpc.poly"
gPolygonize

Linestring Polygonizer
SpatialCollections

create SpatialCollections
SpatialRings-class

Class "SpatialRings"
calc.labpt.strings

optimally compute label points
gRelate

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

Convex Hull of Geometry
gEquals

Geometry Relationships - Equality
gCentroid

Centroid of Geometry
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gIsRing

Is Geometry a Ring?
gDistance

Distance between geometries
gArea

Area of Geometry
gEnvelope

Envelope of Geometry