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rgeos (version 0.3-2)

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

0.3-2

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

October 6th, 2013

Functions in rgeos (0.3-2)

gpc.poly.nohole-class

Class "gpc.poly.nohole"
gArea

Area of Geometry
gContains

Geometry Relationships - Contains and Within
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gIntersection

Geometry Intersections
SpatialCollections

create SpatialCollections
gEquals

Geometry Relationships - Equality
gPolygonize

Linestring Polygonizer
polyfile

Read/Write polygon data
gLength

Length of Geometry
gEnvelope

Envelope of Geometry
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
Ring-class

Class "Ring"
gIsValid

Is Geometry Valid?
gIsSimple

Is Geometry Simple?
polygonsLabel

Compute optimal label positions for polygons
gIntersects

Geometry Relationships - Intersects and Disjoint
gDistance

Distance between geometries
gUnion

Geometry Union
gSymdifference

Geometry Symmetric Difference
gPointOnSurface

Point on Surface of Geometry
gTouches

Geometry Relationships - Touches
SpatialCollections-class

Class "SpatialCollections"
gpc.poly-class

Class "gpc.poly"
gBuffer

Buffer Geometry
gRelate

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

Geometry Relationships - Crosses and Overlaps
gDifference

Geometry Difference
gDelaunayTriangulation

Compute Delaunay triangulation between points
gCentroid

Centroid of Geometry
gSimplify

Simplify Geometry
gConvexHull

Convex Hull of Geometry
RGEOS Utility Functions

RGEOS Utility Functions
gIsEmpty

Is Geometry Empty?
RGEOS WKT Functions

RGEOS WKT Functions
gBoundary

Boundary of Geometry
RGEOS Experimental Functions

Experimental Functions
SpatialRings-class

Class "SpatialRings"
new-generics

Generics/Methods for polygon objects
gIsRing

Is Geometry a Ring?