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rgeos (version 0.3-12)

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

0.3-12

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

September 1st, 2015

Functions in rgeos (0.3-12)

SpatialCollections

create SpatialCollections
polyfile

Read/Write polygon data
gLength

Length of Geometry
new-generics

Generics/Methods for polygon objects
over

Find spatial join or intersections
gNode

Linestring Noder
gIsEmpty

Is Geometry Empty?
gPolygonize

Linestring Polygonizer
gSimplify

Simplify Geometry
Ring-class

Class "Ring"
gRelate

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

Is Geometry Simple?
RGEOS Utility Functions

RGEOS Utility Functions
gpc.poly-class

Class "gpc.poly"
gUnion

Geometry Union
gpc.poly.nohole-class

Class "gpc.poly.nohole"
gDistance

Distance between geometries
gCentroid

Centroid of Geometry
gArea

Area of Geometry
gBuffer

Buffer Geometry
SpatialRings-class

Class "SpatialRings"
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gDifference

Geometry Difference
gConvexHull

Convex Hull of Geometry
gDelaunayTriangulation

Compute Delaunay triangulation between points
SpatialCollections-class

Class "SpatialCollections"
gIntersection

Geometry Intersections
gContains

Geometry Relationships - Contains and Within
gIntersects

Geometry Relationships - Intersects and Disjoint
gIsValid

Is Geometry Valid?
gSymdifference

Geometry Symmetric Difference
gBoundary

Boundary of Geometry
gEnvelope

Envelope of Geometry
RGEOS WKT Functions

RGEOS WKT Functions
gPointOnSurface

Point on Surface of Geometry
gIsRing

Is Geometry a Ring?
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
RGEOS Experimental Functions

Experimental Functions
SpatialRings

create SpatialRings or SpatialRingsDataFrame
polygonsLabel

Compute optimal label positions for polygons
gEquals

Geometry Relationships - Equality
gTouches

Geometry Relationships - Touches
gCrosses

Geometry Relationships - Crosses and Overlaps