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rgeos (version 0.2-1)
Interface to Geometry Engine - Open Source (GEOS)
Description
Interface to Geometry Engine - Open Source (GEOS) using the C API for topology operations on geometries.
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Install
install.packages('rgeos')
Monthly Downloads
1,493
Version
0.2-1
License
GPL (>= 2)
Maintainer
Roger Bivand
Last Published
January 15th, 2012
Functions in rgeos (0.2-1)
Search functions
RGEOS Experimental Functions
Experimental Functions
polyfile
Read/Write polygon data
gSimplify
Simplify Geometry
SpatialRings
create SpatialRings or SpatialRingsDataFrame
SpatialRingsDataFrame-class
Class "SpatialRingsDataFrame"
RGEOS WKT Functions
RGEOS WKT Functions
RGEOS Polygon Hole Comment Functions
RGEOS Polygon Hole Comment Functions
gIsEmpty
Is Geometry Empty?
gCrosses
Geometry Relationships - Crosses and Overlaps
gUnion
Geometry Union
gPolygonize
Linestring Polygonizer
gConvexHull
Convex Hull of Geometry
gEquals
Geometry Relationships - Equality
gArea
Area of Geometry
SpatialRings-class
Class "SpatialRings"
gLength
Length of Geometry
gBoundary
Boundary of Geometry
gTouches
Geometry Relationships - Touches
RGEOS Utility Functions
RGEOS Utility Functions
new-generics
Generics/Methods for polygon objects
gRelate
Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
SpatialCollections
create SpatialCollections
gPointOnSurface
Point on Surface of Geometry
gBuffer
Buffer Geometry
gIsValid
Is Geometry Valid?
gIsSimple
Is Geometry Simple?
SpatialCollections-class
Class "SpatialCollections"
gpc.poly-class
Class "gpc.poly"
gSymdifference
Geometry Symmetric Difference
gIntersects
Geometry Relationships - Intersects and Disjoint
Ring-class
Class "Ring"
gCentroid
Centroid of Geometry
gIntersection
Geometry Intersections
gDistance
Distance between geometries
calc.labpt.strings
optimally compute label points
gpc.poly.nohole-class
Class "gpc.poly.nohole"
gContains
Geometry Relationships - Contains and Within
gDifference
Geometry Difference
gEnvelope
Envelope of Geometry
gIsRing
Is Geometry a Ring?
polygonsLabel
Compute optimal label positions for polygons