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rgeos (version 0.3-6)

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

0.3-6

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

July 8th, 2014

Functions in rgeos (0.3-6)

polygonsLabel

Compute optimal label positions for polygons
gArea

Area of Geometry
gDifference

Geometry Difference
gIsValid

Is Geometry Valid?
RGEOS Experimental Functions

Experimental Functions
new-generics

Generics/Methods for polygon objects
gConvexHull

Convex Hull of Geometry
RGEOS WKT Functions

RGEOS WKT Functions
gLength

Length of Geometry
gTouches

Geometry Relationships - Touches
gSimplify

Simplify Geometry
gCrosses

Geometry Relationships - Crosses and Overlaps
gBoundary

Boundary of Geometry
gIsRing

Is Geometry a Ring?
gIsSimple

Is Geometry Simple?
gPointOnSurface

Point on Surface of Geometry
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gpc.poly-class

Class "gpc.poly"
gIntersects

Geometry Relationships - Intersects and Disjoint
RGEOS Utility Functions

RGEOS Utility Functions
gRelate

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

Geometry Symmetric Difference
gEnvelope

Envelope of Geometry
polyfile

Read/Write polygon data
SpatialRings-class

Class "SpatialRings"
gCentroid

Centroid of Geometry
gNode

Linestring Noder
gContains

Geometry Relationships - Contains and Within
gBuffer

Buffer Geometry
gEquals

Geometry Relationships - Equality
gIsEmpty

Is Geometry Empty?
gPolygonize

Linestring Polygonizer
SpatialCollections-class

Class "SpatialCollections"
gDistance

Distance between geometries
gUnion

Geometry Union
gIntersection

Geometry Intersections
gDelaunayTriangulation

Compute Delaunay triangulation between points
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
SpatialRings

create SpatialRings or SpatialRingsDataFrame
Ring-class

Class "Ring"
SpatialCollections

create SpatialCollections
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"