rgeos v0.3-28

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Interface to Geometry Engine - Open Source ('GEOS')

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'.

Functions in rgeos

Name Description
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)
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Details

Date 2018-06-02
LinkingTo sp
LazyLoad yes
License GPL (>= 2)
URL https://r-forge.r-project.org/projects/rgeos/ http://trac.osgeo.org/geos/
SystemRequirements GEOS (>= 3.2.0); for building from source: GEOS from http://trac.osgeo.org/geos/; GEOS OSX frameworks built by William Kyngesburye at http://www.kyngchaos.com/ may be used for source installs on OSX.
NeedsCompilation yes
Packaged 2018-06-08 06:49:06 UTC; rsb
Repository CRAN
Date/Publication 2018-06-08 13:48:51 UTC

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