rgeos v0.4-2


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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
bbox2SP Converts a bounding box into a SpatialPolygons object.
gpc.poly.nohole-class Class "gpc.poly.nohole"
RGEOS Experimental Functions Experimental Functions
gNearestPoints Closest Points of two Geometries
over Find spatial join or intersections
new-generics Generics/Methods for polygon objects
gpc.poly-class Class "gpc.poly"
SpatialCollections-class Class "SpatialCollections"
RGEOS Polygon Hole Comment Functions RGEOS Polygon Hole Comment Functions
gDifference Geometry Difference
gArea Area of Geometry
gEquals Geometry Relationships - Equality
gCentroid Centroid of Geometry
gBoundary Boundary of Geometry
gIntersects Geometry Relationships - Intersects and Disjoint
gIntersection Geometry Intersections
SpatialRings-class Class "SpatialRings"
polyfile Read/Write polygon data
RGEOS WKT Functions RGEOS WKT Functions
polygonsLabel Compute optimal label positions for polygons
Ring-class Class "Ring"
gBuffer Buffer Geometry
gInterpolate Interpolate Points along Line Geometry
gContains Geometry Relationships - Contains and Within
gIsRing Is Geometry a Ring?
gProject Project Points to Line Geometry
gRelate Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
gConvexHull Convex Hull of Geometry
gSymdifference Geometry Symmetric Difference
gDelaunayTriangulation Compute Delaunay triangulation between points
gCrosses Geometry Relationships - Crosses and Overlaps
gUnion Geometry Union
gIsSimple Is Geometry Simple?
gIsValid Is Geometry Valid?
gSimplify Simplify Geometry
RGEOS Utility Functions RGEOS Utility Functions
gTouches Geometry Relationships - Touches
gEnvelope Envelope of Geometry
gNode Linestring Noder
gPointOnSurface Point on Surface of Geometry
gPolygonize Linestring Polygonizer
SpatialRingsDataFrame-class Class "SpatialRingsDataFrame"
gLength Length of Geometry
gDistance Distance between geometries
SpatialCollections create SpatialCollections
SpatialRings create SpatialRings or SpatialRingsDataFrame
gIsEmpty Is Geometry Empty?
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Last month downloads


Date 2018-10-22
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 2018-11-07 13:45:00 UTC; rsb
Repository CRAN
Date/Publication 2018-11-08 16:20:02 UTC

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