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rgeos (version 0.3-21)

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

949

Version

0.3-21

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

October 20th, 2016

Functions in rgeos (0.3-21)

SpatialCollections-class

Class "SpatialCollections"
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gpc.poly-class

Class "gpc.poly"
gpc.poly.nohole-class

Class "gpc.poly.nohole"
RGEOS Experimental Functions

Experimental Functions
new-generics

Generics/Methods for polygon objects
gNearestPoints

Closest Points of two Geometries
gProject

Project Points to Line Geometry
gArea

Area of Geometry
gBuffer

Buffer Geometry
polyfile

Read/Write polygon data
gDistance

Distance between geometries
gLength

Length of Geometry
polygonsLabel

Compute optimal label positions for polygons
gInterpolate

Interpolate Points along Line Geometry
gIsRing

Is Geometry a Ring?
gCrosses

Geometry Relationships - Crosses and Overlaps
gIsEmpty

Is Geometry Empty?
gIntersects

Geometry Relationships - Intersects and Disjoint
gIsSimple

Is Geometry Simple?
gEquals

Geometry Relationships - Equality
gRelate

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

Find spatial join or intersections
gContains

Geometry Relationships - Contains and Within
gTouches

Geometry Relationships - Touches
gEnvelope

Envelope of Geometry
gUnion

Geometry Union
gDelaunayTriangulation

Compute Delaunay triangulation between points
gBoundary

Boundary of Geometry
gIsValid

Is Geometry Valid?
gCentroid

Centroid of Geometry
gConvexHull

Convex Hull of Geometry
gIntersection

Geometry Intersections
gDifference

Geometry Difference
gSymdifference

Geometry Symmetric Difference
gNode

Linestring Noder
gPointOnSurface

Point on Surface of Geometry
RGEOS WKT Functions

RGEOS WKT Functions
RGEOS Utility Functions

RGEOS Utility Functions
gPolygonize

Linestring Polygonizer
gSimplify

Simplify Geometry
Ring-class

Class "Ring"
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
SpatialRings-class

Class "SpatialRings"
SpatialCollections

create SpatialCollections