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rgeos (version 0.3-8)

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

0.3-8

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

September 21st, 2014

Functions in rgeos (0.3-8)

SpatialRings-class

Class "SpatialRings"
gUnion

Geometry Union
new-generics

Generics/Methods for polygon objects
gArea

Area of Geometry
gDifference

Geometry Difference
gIsSimple

Is Geometry Simple?
gEquals

Geometry Relationships - Equality
gContains

Geometry Relationships - Contains and Within
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gpc.poly-class

Class "gpc.poly"
gPointOnSurface

Point on Surface of Geometry
gBoundary

Boundary of Geometry
gLength

Length of Geometry
polyfile

Read/Write polygon data
gEnvelope

Envelope of Geometry
gIntersection

Geometry Intersections
SpatialCollections

create SpatialCollections
gIsEmpty

Is Geometry Empty?
RGEOS Experimental Functions

Experimental Functions
gTouches

Geometry Relationships - Touches
gIsRing

Is Geometry a Ring?
gRelate

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

Is Geometry Valid?
SpatialCollections-class

Class "SpatialCollections"
RGEOS WKT Functions

RGEOS WKT Functions
gDistance

Distance between geometries
gBuffer

Buffer Geometry
Ring-class

Class "Ring"
gSymdifference

Geometry Symmetric Difference
gCentroid

Centroid of Geometry
gpc.poly.nohole-class

Class "gpc.poly.nohole"
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
polygonsLabel

Compute optimal label positions for polygons
gIntersects

Geometry Relationships - Intersects and Disjoint
RGEOS Utility Functions

RGEOS Utility Functions
gConvexHull

Convex Hull of Geometry
gPolygonize

Linestring Polygonizer
gDelaunayTriangulation

Compute Delaunay triangulation between points
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gNode

Linestring Noder
gSimplify

Simplify Geometry
gCrosses

Geometry Relationships - Crosses and Overlaps