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rgeos (version 0.3-15)

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

0.3-15

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

November 4th, 2015

Functions in rgeos (0.3-15)

over

Find spatial join or intersections
gArea

Area of Geometry
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gUnion

Geometry Union
SpatialCollections

create SpatialCollections
gEquals

Geometry Relationships - Equality
gDelaunayTriangulation

Compute Delaunay triangulation between points
gSymdifference

Geometry Symmetric Difference
gIsSimple

Is Geometry Simple?
Ring-class

Class "Ring"
SpatialRings-class

Class "SpatialRings"
polyfile

Read/Write polygon data
new-generics

Generics/Methods for polygon objects
gCentroid

Centroid of Geometry
gDifference

Geometry Difference
gBoundary

Boundary of Geometry
gTouches

Geometry Relationships - Touches
polygonsLabel

Compute optimal label positions for polygons
gIntersects

Geometry Relationships - Intersects and Disjoint
gIsRing

Is Geometry a Ring?
gBuffer

Buffer Geometry
RGEOS WKT Functions

RGEOS WKT Functions
gContains

Geometry Relationships - Contains and Within
gSimplify

Simplify Geometry
gPolygonize

Linestring Polygonizer
gEnvelope

Envelope of Geometry
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
gRelate

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

Class "gpc.poly"
RGEOS Experimental Functions

Experimental Functions
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gDistance

Distance between geometries
gCrosses

Geometry Relationships - Crosses and Overlaps
gIsEmpty

Is Geometry Empty?
gIsValid

Is Geometry Valid?
gNode

Linestring Noder
gIntersection

Geometry Intersections
gpc.poly.nohole-class

Class "gpc.poly.nohole"
RGEOS Utility Functions

RGEOS Utility Functions
gLength

Length of Geometry
gPointOnSurface

Point on Surface of Geometry
gConvexHull

Convex Hull of Geometry
SpatialCollections-class

Class "SpatialCollections"