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rgeos (version 0.3-13)

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

0.3-13

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

September 28th, 2015

Functions in rgeos (0.3-13)

gpc.poly.nohole-class

Class "gpc.poly.nohole"
polyfile

Read/Write polygon data
polygonsLabel

Compute optimal label positions for polygons
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gEnvelope

Envelope of Geometry
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
gIntersects

Geometry Relationships - Intersects and Disjoint
gNode

Linestring Noder
gPointOnSurface

Point on Surface of Geometry
gUnion

Geometry Union
gEquals

Geometry Relationships - Equality
SpatialCollections

create SpatialCollections
gIsRing

Is Geometry a Ring?
gIntersection

Geometry Intersections
Ring-class

Class "Ring"
gCentroid

Centroid of Geometry
new-generics

Generics/Methods for polygon objects
gCrosses

Geometry Relationships - Crosses and Overlaps
gSimplify

Simplify Geometry
gLength

Length of Geometry
gSymdifference

Geometry Symmetric Difference
gContains

Geometry Relationships - Contains and Within
gBoundary

Boundary of Geometry
gArea

Area of Geometry
RGEOS Utility Functions

RGEOS Utility Functions
gDistance

Distance between geometries
RGEOS Experimental Functions

Experimental Functions
gIsEmpty

Is Geometry Empty?
gpc.poly-class

Class "gpc.poly"
over

Find spatial join or intersections
gIsSimple

Is Geometry Simple?
gIsValid

Is Geometry Valid?
gConvexHull

Convex Hull of Geometry
SpatialRings-class

Class "SpatialRings"
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gDifference

Geometry Difference
RGEOS WKT Functions

RGEOS WKT Functions
gTouches

Geometry Relationships - Touches
gRelate

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

Buffer Geometry
gPolygonize

Linestring Polygonizer
SpatialCollections-class

Class "SpatialCollections"
gDelaunayTriangulation

Compute Delaunay triangulation between points