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.
|Author||Roger Bivand [cre, aut], Colin Rundel [aut], Edzer Pebesma [ctb], Rainer Stuetz [ctb], Karl Ove Hufthammer [ctb]|
|Date of publication||2017-01-09 09:50:02|
|Maintainer||Roger Bivand <Roger.Bivand@nhh.no>|
|License||GPL (>= 2)|
class-gpc.poly: Class "gpc.poly"
class-gpc.poly.nohole: Class "gpc.poly.nohole"
class-Ring: Class "Ring"
class-SpatialCollections: Class "SpatialCollections"
class-SpatialRings: Class "SpatialRings"
class-SpatialRingsDataFrame: Class "SpatialRingsDataFrame"
comment-functions: RGEOS Polygon Hole Comment Functions
constructor-SpatialCollections: create SpatialCollections
constructor-SpatialRings: create SpatialRings or SpatialRingsDataFrame
experimental-functions: Experimental Functions
gpc-new-generics: Generics/Methods for polygon objects
gpc-polyfile: Read/Write polygon data
labelpt: Compute optimal label positions for polygons
linref-gInterpolate: Interpolate Points along Line Geometry
linref-gProject: Project Points to Line Geometry
misc-gArea: Area of Geometry
misc-gBuffer: Buffer Geometry
misc-gDistance: Distance between geometries
misc-gLength: Length of Geometry
misc-gNearestPoints: Closest Points of two Geometries
misc-over: Find spatial join or intersections
pred-binary-gContains: Geometry Relationships - Contains and Within
pred-binary-gCrosses: Geometry Relationships - Crosses and Overlaps
pred-binary-gEquals: Geometry Relationships - Equality
pred-binary-gIntersects: Geometry Relationships - Intersects and Disjoint
pred-binary-gRelate: Geometry Relationships - Intersection Matrix Pattern (DE-9IM)
pred-binary-gTouches: Geometry Relationships - Touches
pred-unary-gIsEmpty: Is Geometry Empty?
pred-unary-gIsRing: Is Geometry a Ring?
pred-unary-gIsSimple: Is Geometry Simple?
pred-unary-gIsValid: Is Geometry Valid?
topo-bin-gDifference: Geometry Difference
topo-bin-gIntersection: Geometry Intersections
topo-bin-gSymdifference: Geometry Symmetric Difference
topo-bin-gUnion: Geometry Union
topo-unary-gBoundary: Boundary of Geometry
topo-unary-gCentroid: Centroid of Geometry
topo-unary-gConvexHull: Convex Hull of Geometry
topo-unary-gDelaunayTriangulation: Compute Delaunay triangulation between points
topo-unary-gEnvelope: Envelope of Geometry
topo-unary-gNode: Linestring Noder
topo-unary-gPointOnSurface: Point on Surface of Geometry
topo-unary-gPolygonize: Linestring Polygonizer
topo-unary-gSimplify: Simplify Geometry
utility-functions: RGEOS Utility Functions
wkt-functions: RGEOS WKT Functions