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rgeos (version 0.1-8)
Interface to Geometry Engine - Open Source (GEOS)
Description
Interface to Geometry Engine - Open Source (GEOS) using the C API for topology operations on geometries.
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Install
install.packages('rgeos')
Monthly Downloads
418
Version
0.1-8
License
GPL (>= 2)
Maintainer
Roger Bivand
Last Published
June 15th, 2011
Functions in rgeos (0.1-8)
Search all functions
RGEOS Polygon Hole Comment Functions
RGEOS Polygon Hole Comment Functions
gPointOnSurface
Point on Surface of Geometry
SpatialRingsDataFrame-class
Class "SpatialRingsDataFrame"
gLength
Length of Geometry
gIntersects
Geometry Relationships - Intersects and Disjoint
gTouches
Geometry Relationships - Touches
SpatialRings
create SpatialRings or SpatialRingsDataFrame
gIsEmpty
Is Geometry Empty?
gUnion
Geometry Union
gBoundary
Boundary of Geometry
gDistance
Distance between geometries
SpatialCollections
create SpatialCollections
SpatialCollections-class
Class "SpatialCollections"
gCrosses
Geometry Relationships - Crosses and Overlaps
gIntersection
Geometry Intersections
RGEOS Experimental Functions
Experimental Functions
gIsValid
Is Geometry Valid?
gpc.poly.nohole-class
Class "gpc.poly.nohole"
gIsRing
Is Geometry a Ring?
gArea
Area of Geometry
new-generics
Generics/Methods for polygon objects
RGEOS WKT Functions
RGEOS WKT Functions
polyfile
Read/Write polygon data
gRelate
Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
gEnvelope
Envelope of Geometry
SpatialRings-class
Class "SpatialRings"
gpc.poly-class
Class "gpc.poly"
gDifference
Geometry Difference
gPolygonize
Linestring Polygonizer
gEquals
Geometry Relationships - Equality
gSymdifference
Geometry Symmetric Difference
gConvexHull
Convex Hull of Geometry
Ring-class
Class "Ring"
gSimplify
Simplify Geometry
gBuffer
Buffer Geometry
gIsSimple
Is Geometry Simple?
RGEOS Utility Functions
RGEOS Utility Functions
gContains
Geometry Relationships - Contains and Within
gCentroid
Centroid of Geometry