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rgeos (version 0.4-1)

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

0.4-1

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

October 19th, 2018

Functions in rgeos (0.4-1)

SpatialCollections-class

Class "SpatialCollections"
polyfile

Read/Write polygon data
RGEOS Experimental Functions

Experimental Functions
new-generics

Generics/Methods for polygon objects
gEquals

Geometry Relationships - Equality
gIntersects

Geometry Relationships - Intersects and Disjoint
gSymdifference

Geometry Symmetric Difference
gUnion

Geometry Union
polygonsLabel

Compute optimal label positions for polygons
gEnvelope

Envelope of Geometry
gPointOnSurface

Point on Surface of Geometry
gNode

Linestring Noder
gPolygonize

Linestring Polygonizer
gpc.poly.nohole-class

Class "gpc.poly.nohole"
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
gInterpolate

Interpolate Points along Line Geometry
gProject

Project Points to Line Geometry
gRelate

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

Geometry Relationships - Touches
gIsSimple

Is Geometry Simple?
gIsValid

Is Geometry Valid?
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
gpc.poly-class

Class "gpc.poly"
gArea

Area of Geometry
gSimplify

Simplify Geometry
RGEOS Utility Functions

RGEOS Utility Functions
SpatialCollections

create SpatialCollections
gBuffer

Buffer Geometry
over

Find spatial join or intersections
SpatialRings

create SpatialRings or SpatialRingsDataFrame
gDifference

Geometry Difference
gNearestPoints

Closest Points of two Geometries
gDistance

Distance between geometries
gIntersection

Geometry Intersections
gLength

Length of Geometry
gIsEmpty

Is Geometry Empty?
gIsRing

Is Geometry a Ring?
Ring-class

Class "Ring"
bbox2SP

Converts a bounding box into a SpatialPolygons object.
gConvexHull

Convex Hull of Geometry
gDelaunayTriangulation

Compute Delaunay triangulation between points
gContains

Geometry Relationships - Contains and Within
RGEOS WKT Functions

RGEOS WKT Functions
gCrosses

Geometry Relationships - Crosses and Overlaps
gBoundary

Boundary of Geometry
gCentroid

Centroid of Geometry
SpatialRings-class

Class "SpatialRings"