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rgeos (version 0.3-3)

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

0.3-3

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

February 13th, 2014

Functions in rgeos (0.3-3)

Ring-class

Class "Ring"
gIntersects

Geometry Relationships - Intersects and Disjoint
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gArea

Area of Geometry
gUnion

Geometry Union
gPointOnSurface

Point on Surface of Geometry
polygonsLabel

Compute optimal label positions for polygons
gIsSimple

Is Geometry Simple?
gIntersection

Geometry Intersections
gBuffer

Buffer Geometry
RGEOS Utility Functions

RGEOS Utility Functions
SpatialRings-class

Class "SpatialRings"
RGEOS WKT Functions

RGEOS WKT Functions
gBoundary

Boundary of Geometry
gCentroid

Centroid of Geometry
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gIsValid

Is Geometry Valid?
gDifference

Geometry Difference
SpatialCollections-class

Class "SpatialCollections"
polyfile

Read/Write polygon data
gpc.poly-class

Class "gpc.poly"
gTouches

Geometry Relationships - Touches
RGEOS Experimental Functions

Experimental Functions
SpatialCollections

create SpatialCollections
new-generics

Generics/Methods for polygon objects
gConvexHull

Convex Hull of Geometry
gSimplify

Simplify Geometry
gEquals

Geometry Relationships - Equality
gEnvelope

Envelope of Geometry
gSymdifference

Geometry Symmetric Difference
gIsRing

Is Geometry a Ring?
gDelaunayTriangulation

Compute Delaunay triangulation between points
gPolygonize

Linestring Polygonizer
gDistance

Distance between geometries
gRelate

Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gContains

Geometry Relationships - Contains and Within
gCrosses

Geometry Relationships - Crosses and Overlaps
gLength

Length of Geometry
gIsEmpty

Is Geometry Empty?