search for: nad83

...wing the results in GIS. A couple things. I cant seem to import a shape file correctly using the maptools package and the readShapeSpatial. I have tried Building=file("data/input/BuildingShape/Building.shp") Bldg<-readShapeSpatial(fn=data/input/BuildingShape/Building,proj4string=NAD83) #---------------------- Bldg<-readShapeSpatial(data/input/BuildingShape/Building,proj4string=NAD83) #--------------- Building=file("data/input/BuildingShape/Building.shp") Bldg<-readShapeSpatial(Building,proj4string=NAD83) I know i am mis interpreting the documentation but it does...

...quot;NA","") ) attach(rfishR) When I call it up in R, it starts with line 2066 rather than 1 and some of the headers (used Headers = TRUE, too) are "masked"? Sample data loc lat lon datum water date obs net species length mass other Dispos NS10 69.5 -156.8 NAD83 Chuc ######## pt f fourhorn sculpin 225 na na id NS10 69.5 -156.4 NAD83 Chuc ######## pt f fourhorn sculpin 293 na na id NS10 69.5 -156.2 NAD83 Chuc ######## pt f fourhorn sculpin 243 na na id Please help. -TS [[alternative HTML version deleted]]

...Error: cannot allocate vector of size 240 Kb > memory.limit() [1] 4000 > memory.size() [1] 1971.68 > summary(hi.to.utm) Object of class SpatialPoints Coordinates: ??????? min?????? max x? 708745.5? 923406.7 y 2046153.1 2327910.9 Is projected: TRUE proj4string : [+proj=utm +zone=4 +datum=NAD83 +ellps=GRS80 +towgs84=0,0,0] Number of points: 15328 > str(hi.to.utm) Formal class 'SpatialPoints' [package "sp"] with 3 slots ? ..@ coords???? : num [1:15328, 1:2] 708746 710482 712218 713944 715681 ... ? .. ..- attr(*, "dimnames")=List of 2 ? .. .. ..$ : NULL ? .....

I have a simple problem: I need to load a ERSI shapefile of US states and check whether or not a set of points are within the boundary of these states. I have the shapefile, I have the coordinates but I'm having a great deal of difficulty bringing the two together. The problem is the various GIS packages for R do not play well with each other. sp, shapefiles, maptools, etc all use different

I am trying to set up a Grass project and need to set up the region so that I can view the map. I can look at a map and find the lat/lon, but the map projection is in UTM NAD38 WGS84 and I need to set the eastings and northings. Is there a package that will help me calculate this in R. thanks -- Stephen Sefick Let's not spend our time and resources thinking about things that are so little

...02 Ymax = 142877.109 STATUS The coverage has not been Edited since the last BUILD or CLEAN. COORDINATE SYSTEM DESCRIPTION Projection STATEPLANE Zone 5626 Datum NAD83 Units METERS Spheroid GRS1980 Parameters: When I execute the following and do a plotarc() or look at the lists containing the x and y coordinates, all I see is garbage--the coordinates are all infinitesimal or extremely large numbers (e.g., -8.928678e...

...alPointsDataFrame(try[,1:2], try, proj4string=CRS(crs)) ? summary(crest.sp) Object of class SpatialPointsDataFrame Coordinates: ??????? min?????? ??????? max x? 610235.1? ?????? 610354.1 y 3374862.4 ?????? 3375751.4 Is projected: TRUE proj4string : [+proj=utm +zone=15 +ellps=GRS80 +datum=NAD83 +units=m +no_defs +towgs84=0,0,0] Number of points: 890 Data attributes: ????? ???????? ?x????????? y???????????????? z1?????? ?Min.?? :? 610235?? Min. : 3374862?? Min.: 6.966? ?1st Qu.:610269?? 1st Qu.:3375085?? 1st Qu.:7.570? ?Median :610298?? Median :3375307?? Median :7.901? ?Mean?? :...