search for: myshapefil

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2009 Aug 25
1
Help in plotting a legend
...only show the max and the min value on the left corner 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] map...
2003 Jun 30
4
french map
Hello, I would like to know if (as the usa map with Splus), it is possible with R to plot the french map and to add points (representing towns for instance) on the figure in the appropriate (x,y) system. Thank you. Nathalie Peyrard