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rgeos (version 0.3-1)

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

0.3-1

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

September 16th, 2013

Functions in rgeos (0.3-1)

gIntersection

Geometry Intersections
Ring-class

Class "Ring"
gDistance

Distance between geometries
gPointOnSurface

Point on Surface of Geometry
gEquals

Geometry Relationships - Equality
gSymdifference

Geometry Symmetric Difference
gPolygonize

Linestring Polygonizer
SpatialRings-class

Class "SpatialRings"
gCrosses

Geometry Relationships - Crosses and Overlaps
gBoundary

Boundary of Geometry
gConvexHull

Convex Hull of Geometry
RGEOS WKT Functions

RGEOS WKT Functions
SpatialCollections-class

Class "SpatialCollections"
gBuffer

Buffer Geometry
gTouches

Geometry Relationships - Touches
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gLength

Length of Geometry
gDifference

Geometry Difference
gIsSimple

Is Geometry Simple?
gIsRing

Is Geometry a Ring?
gRelate

Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
RGEOS Utility Functions

RGEOS Utility Functions
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gNode

Linestring Noder
gIsValid

Is Geometry Valid?
gpc.poly-class

Class "gpc.poly"
SpatialRings

create SpatialRings or SpatialRingsDataFrame
RGEOS Experimental Functions

Experimental Functions
gDelaunayTriangulation

Compute Delaunay triangulation between points
gCentroid

Centroid of Geometry
gIntersects

Geometry Relationships - Intersects and Disjoint
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
SpatialCollections

create SpatialCollections
polygonsLabel

Compute optimal label positions for polygons
gEnvelope

Envelope of Geometry
gSimplify

Simplify Geometry
gArea

Area of Geometry
polyfile

Read/Write polygon data
new-generics

Generics/Methods for polygon objects
over

Find spatial join or intersections
gUnion

Geometry Union
gIsEmpty

Is Geometry Empty?
gContains

Geometry Relationships - Contains and Within