Thanks. The map specs are stored in myMap, it can be displayed just by typing at the prompt:
myMap Thanks for the geom.rect suggestion. I will look at that. -Roy On Dec 26, 2014, at 4:16 PM, David Winsemius <dwinsem...@comcast.net> wrote: > >> On Dec 26, 2014, at 3:26 PM, Roy Mendelssohn - NOAA Federal >> <roy.mendelss...@noaa.gov> wrote: >> >> HI All: >> >> Okay I am feeling particular brain dead today. i have the following map >> created so far using ggmap: >> >>> library(ggmap) >>> myLocation <- c(-178, -28, -72, 48) >>> myMap <- get_map(location=myLocation, source="google", maptype="satellite", >>> crop=FALSE) >>> > > All if get is a matrix. No map. > > >> >> I want to color in some lat-lon 5 degree boxes based on some criterion, and >> it look like this could be done use geom_polygon if I can figure out how to >> get the data in the format required for geom_polygon. To simplify the >> problem, suppose i have a bounding box: >> >> subbox<-c(-130, 20, -125, 25) >> > > That looks more like a specification for geom.rect than for geom_polygon. > > >> and I want to color that box red on myMap defined above. To put this in >> context, I actually have 360 squares which have been clustered by some >> criteria, and I want to color them all based on the cluster number of the >> box. but if I can figure out how to do the simple problem above I can >> extend it to the more general problem. >> >> Basically the question is how can I get that simple box information into the >> format required for eom_polygon. > > If it were used for eom_polygon I would imagine you need to put it in the > form pairs (x,y) > > subbox<-list(x=c(-130,-125,-125,-130,-130),y=c( 20,20,25, 25,20)) > > Just a guess mind, you. > > — > David. >> >> Thanks for any help. >> >> -Roy >> >> >> ********************** >> "The contents of this message do not reflect any position of the U.S. >> Government or NOAA." >> ********************** >> Roy Mendelssohn >> Supervisory Operations Research Analyst >> NOAA/NMFS > > > ********************** "The contents of this message do not reflect any position of the U.S. Government or NOAA." ********************** Roy Mendelssohn Supervisory Operations Research Analyst NOAA/NMFS Environmental Research Division Southwest Fisheries Science Center ***Note new address and phone*** 110 Shaffer Road Santa Cruz, CA 95060 Phone: (831)-420-3666 Fax: (831) 420-3980 e-mail: roy.mendelss...@noaa.gov www: http://www.pfeg.noaa.gov/ "Old age and treachery will overcome youth and skill." "From those who have been given much, much will be expected" "the arc of the moral universe is long, but it bends toward justice" -MLK Jr. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
