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rgeos (version 0.2-2)

Interface to Geometry Engine - Open Source (GEOS)

Description

Interface to Geometry Engine - Open Source (GEOS) using the C API for topology operations on geometries.

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Version

Install

install.packages('rgeos')

Monthly Downloads

418

Version

0.2-2

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

January 20th, 2012

Functions in rgeos (0.2-2)

SpatialRings

create SpatialRings or SpatialRingsDataFrame
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gUnion

Geometry Union
gEnvelope

Envelope of Geometry
gIntersects

Geometry Relationships - Intersects and Disjoint
gSimplify

Simplify Geometry
RGEOS Utility Functions

RGEOS Utility Functions
RGEOS WKT Functions

RGEOS WKT Functions
Ring-class

Class "Ring"
gDistance

Distance between geometries
gDifference

Geometry Difference
gPolygonize

Linestring Polygonizer
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
gSymdifference

Geometry Symmetric Difference
gConvexHull

Convex Hull of Geometry
gIsValid

Is Geometry Valid?
SpatialRings-class

Class "SpatialRings"
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gContains

Geometry Relationships - Contains and Within
new-generics

Generics/Methods for polygon objects
gCentroid

Centroid of Geometry
RGEOS Experimental Functions

Experimental Functions
gEquals

Geometry Relationships - Equality
polyfile

Read/Write polygon data
gTouches

Geometry Relationships - Touches
gCrosses

Geometry Relationships - Crosses and Overlaps
gIsEmpty

Is Geometry Empty?
gPointOnSurface

Point on Surface of Geometry
gArea

Area of Geometry
SpatialCollections

create SpatialCollections
gRelate

Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
SpatialCollections-class

Class "SpatialCollections"
gBuffer

Buffer Geometry
gIsRing

Is Geometry a Ring?
gBoundary

Boundary of Geometry
gIntersection

Geometry Intersections
gIsSimple

Is Geometry Simple?
gpc.poly-class

Class "gpc.poly"
gLength

Length of Geometry
polygonsLabel

Compute optimal label positions for polygons