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rgeos (version 0.3-4)

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

0.3-4

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

March 25th, 2014

Functions in rgeos (0.3-4)

RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gIntersects

Geometry Relationships - Intersects and Disjoint
gDelaunayTriangulation

Compute Delaunay triangulation between points
RGEOS Utility Functions

RGEOS Utility Functions
gIsRing

Is Geometry a Ring?
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gRelate

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

Geometry Union
gSymdifference

Geometry Symmetric Difference
Ring-class

Class "Ring"
SpatialCollections-class

Class "SpatialCollections"
polygonsLabel

Compute optimal label positions for polygons
gIsValid

Is Geometry Valid?
gBuffer

Buffer Geometry
RGEOS Experimental Functions

Experimental Functions
gEnvelope

Envelope of Geometry
gLength

Length of Geometry
gPointOnSurface

Point on Surface of Geometry
gDifference

Geometry Difference
gConvexHull

Convex Hull of Geometry
polyfile

Read/Write polygon data
gCentroid

Centroid of Geometry
gContains

Geometry Relationships - Contains and Within
gSimplify

Simplify Geometry
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
SpatialCollections

create SpatialCollections
gIsSimple

Is Geometry Simple?
RGEOS WKT Functions

RGEOS WKT Functions
gpc.poly-class

Class "gpc.poly"
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gEquals

Geometry Relationships - Equality
gNode

Linestring Noder
gIsEmpty

Is Geometry Empty?
gIntersection

Geometry Intersections
gArea

Area of Geometry
gPolygonize

Linestring Polygonizer
new-generics

Generics/Methods for polygon objects
gBoundary

Boundary of Geometry
SpatialRings-class

Class "SpatialRings"
gDistance

Distance between geometries
gTouches

Geometry Relationships - Touches
gCrosses

Geometry Relationships - Crosses and Overlaps