maptools v0.6-9
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by Roger Bivand
Tools for reading and handling spatial objects
Set of tools for manipulating and reading geographic data, in particular ESRI shapefiles; C code used from shapelib. The package also provides interface wrappers for exchanging spatial objects with packages such as PBSmapping, spatstat, maps, RArcInfo, Stata tmap, WinBUGS, Mondrian, and others.
Functions in maptools
| Name | Description | |
| readShapePoints | Read points shape files into SpatialPointsDataFrame objects | |
| pal2SpatialPolygons | Making SpatialPolygons objects from RArcInfo input | |
| as.ppp | coercion between sp objects and spatstat objects | |
| SpatialLines2PolySet | Convert sp line and polygon objects to PBSmapping PolySet objects | |
| gzAzimuth | Find azimuth for geographical coordinates | |
| maptools | Report version information and changes | |
| dotsInPolys | Put dots in polygons | |
| readShapePoly | Read polygon shape files into SpatialPolygonsDataFrame objects | |
| plot.Map | Plot a Map object (deprecated) | |
| readShapeLines | Read arc shape files into SpatialLinesDataFrame objects | |
| ppp-class | Virtual class "ppp" | |
| read.shape | Read shapefile into Map object | |
| Rgshhs | Read GSHHS polygons into SpatialPolygons object | |
| kmlOverlay | Create and write KML file for PNG image overlay | |
| Map2poly | Create polygon lists and bounding boxes from imported shapefiles | |
| gpcholes | Hisaji Ono's lake/hole problem | |
| GE_SpatialGrid | Create SpatialGrid for PNG output to GE | |
| checkPolygonsHoles | Check holes in Polygons objects | |
| plot.polylist | Plot polygons | |
| sp2Mondrian | write map data for Mondrian | |
| ContourLines2SLDF | Converter functions to build SpatialLinesDataFrame objects | |
| map2SpatialPolygons | Convert map objects to sp classes | |
| spCbind-methods | cbind for spatial objects | |
| sun-methods | Methods for sun ephemerides calculations | |
| spChFIDs-methods | change feature IDs in spatial objects | |
| readAsciiGrid | read/write to/from (ESRI) asciigrid format | |
| get.Pcent | Polygon centroids | |
| subset.polylist | Subset polygon list objects | |
| nowrapRecenter | Break polygons at meridian for recentering | |
| sp2tmap | Convert SpatialPolygons object for Stata tmap command | |
| readGPS | GPSbabel read interface | |
| sp2WB | Export SpatialPolygons object as S-Plus map for WinBUGS | |
| spRbind-methods | rbind for spatial objects | |
| symbolsInPolys | Place grids of points over polygons | |
| write.polylistShape | Write a polygon-type shapefile | |
| write.pointShape | Write a point-type shapefile | |
| write.linelistShape | Write a arc-type shapefile | |
| unionSpatialPolygons | Aggregate Polygons in a SpatialPolygons object | |
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Details
| Date | 2007-03-22 |
| License | GPL version 2 or later (R and interface code), MIT (shapelib code) |
| Packaged | Fri Mar 23 18:49:29 2007; rsb |
| depends | base (>= 2.4) , foreign (>= 0.8) , methods , R (>= 2.4) , sp (>= 0.9-7) |
| suggests | gpclib , maps , PBSmapping , RArcInfo , spatstat |
| Contributors | Roger Bivand, Nicholas Lewin-Koh |
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