search for: importshapefil

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2014 Mar 12
3
Sobreponer dos mapas
Hola, Estoy tratando de sobreponer un mapa sobre otro, uno que sirva de ?background? y otro con datos. Mi primer intento lo hice usando el paquete PBSmapping. Aquí lo que hice: library(PBSmapping) estados <- importShapefile(?Entidades_2013.shp") #Aquí cargamos las entidades federativas (32 entidades) zonas <- importShapefile(?zm.shp?) #Aquí cargamos las zonas metropolitanas del país (345 municipios) plotPolys(estados, xlab=?Longitud?, ylab=?Latitud?, border=?gray?) addLines(zonas, col=?red?) Este es el resul...
2009 Aug 25
1
Help in plotting a legend
...ner and the right corner respectively. Here's a part of the code I am using: #empdata has the employee data with the latitude and longitude for each employee library(PBSmapping) addressEvents<-as.EventData(empdataRC,projection=NA) #myShapeFile is a shape file of Ohio imported using importShapefile addressPolys<-findPolys(addressEvents,myShapeFile) myTrtFC<- table(factor(addressPolys$PID,levels=levels(as.factor(myShapeFile$PID)))) log(myTrtFC)->lTrt mapColors<-heat.colors(max(lTrt)+1,alpha=.6)[max(lTrt)-lTrt+1] mapColors[ is.na(mapColors) ] <- "white" pdf...