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rgeos (version 0.3-28)

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

759

Version

0.3-28

License

GPL (>= 2)

Maintainer

Roger Bivand

Last Published

June 8th, 2018

Functions in rgeos (0.3-28)

polyfile

Read/Write polygon data
gIsEmpty

Is Geometry Empty?
SpatialRings-class

Class "SpatialRings"
gNearestPoints

Closest Points of two Geometries
gBuffer

Buffer Geometry
SpatialRingsDataFrame-class

Class "SpatialRingsDataFrame"
gEquals

Geometry Relationships - Equality
gCentroid

Centroid of Geometry
RGEOS WKT Functions

RGEOS WKT Functions
gpc.poly-class

Class "gpc.poly"
RGEOS Experimental Functions

Experimental Functions
new-generics

Generics/Methods for polygon objects
gIntersects

Geometry Relationships - Intersects and Disjoint
gBoundary

Boundary of Geometry
gIsRing

Is Geometry a Ring?
gTouches

Geometry Relationships - Touches
over

Find spatial join or intersections
gConvexHull

Convex Hull of Geometry
gDelaunayTriangulation

Compute Delaunay triangulation between points
gDifference

Geometry Difference
gPointOnSurface

Point on Surface of Geometry
gPolygonize

Linestring Polygonizer
gSymdifference

Geometry Symmetric Difference
gIntersection

Geometry Intersections
gProject

Project Points to Line Geometry
gUnion

Geometry Union
gInterpolate

Interpolate Points along Line Geometry
gEnvelope

Envelope of Geometry
gNode

Linestring Noder
gContains

Geometry Relationships - Contains and Within
gCrosses

Geometry Relationships - Crosses and Overlaps
gIsSimple

Is Geometry Simple?
gIsValid

Is Geometry Valid?
gSimplify

Simplify Geometry
RGEOS Utility Functions

RGEOS Utility Functions
bbox2SP

Converts a bounding box into a SpatialPolygons object.
SpatialCollections-class

Class "SpatialCollections"
gpc.poly.nohole-class

Class "gpc.poly.nohole"
Ring-class

Class "Ring"
RGEOS Polygon Hole Comment Functions

RGEOS Polygon Hole Comment Functions
SpatialCollections

create SpatialCollections
gArea

Area of Geometry
SpatialRings

create SpatialRings or SpatialRingsDataFrame
polygonsLabel

Compute optimal label positions for polygons
gDistance

Distance between geometries
gLength

Length of Geometry
gRelate

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