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rgeos (version 0.3-5)

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

1,317

Version

0.3-5

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

June 6th, 2014

Functions in rgeos (0.3-5)

SpatialCollections

create SpatialCollections
SpatialRings-class

Class "SpatialRings"
gDistance

Distance between geometries
polygonsLabel

Compute optimal label positions for polygons
gCentroid

Centroid of Geometry
gSymdifference

Geometry Symmetric Difference
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
gIsSimple

Is Geometry Simple?
gIntersection

Geometry Intersections
gPolygonize

Linestring Polygonizer
RGEOS Experimental Functions

Experimental Functions
gEquals

Geometry Relationships - Equality
gIsRing

Is Geometry a Ring?
gIsEmpty

Is Geometry Empty?
gSimplify

Simplify Geometry
gBuffer

Buffer Geometry
gpc.poly-class

Class "gpc.poly"
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gUnion

Geometry Union
gBoundary

Boundary of Geometry
gLength

Length of Geometry
gTouches

Geometry Relationships - Touches
gPointOnSurface

Point on Surface of Geometry
RGEOS WKT Functions

RGEOS WKT Functions
Ring-class

Class "Ring"
polyfile

Read/Write polygon data
gIntersects

Geometry Relationships - Intersects and Disjoint
gNode

Linestring Noder
gDelaunayTriangulation

Compute Delaunay triangulation between points
gCrosses

Geometry Relationships - Crosses and Overlaps
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gEnvelope

Envelope of Geometry
gConvexHull

Convex Hull of Geometry
RGEOS Utility Functions

RGEOS Utility Functions
SpatialCollections-class

Class "SpatialCollections"
new-generics

Generics/Methods for polygon objects
gArea

Area of Geometry
gContains

Geometry Relationships - Contains and Within
gRelate

Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gIsValid

Is Geometry Valid?
gDifference

Geometry Difference