I don't see filename defined, or any packages required. Is it the png files that are a problem or the 'kmlsetup' output? (whatever that is)
See the animation package for extremely simplifed image frame creation btw On Wednesday, March 6, 2013, Hodgess, Erin wrote: > Hello again! > > I'm running into a problem with the image function within a loop. When I > put it to the screen, it works fine, but when I put it to a PNG file, the > picture doesn't change. > > Here is the code: > > for(i in 1:11) { > j1 <- (i-1)*n2 + 1 > j2 <- i*n2 > > predx <- data.frame(pred=kr3$var1.pred[j1:j2],lon=kr3@sp > @coords[,1],lat=kr3@sp@coords[,2]) > > coordinates(predx) <- ~lon+lat > proj4string(predx) <- proj4string(kr3) > predx.wgs84 <- spTransform(predx,CRS("+proj=longlat +datum=WGS84")) > llSPix <- as(llSGDF, "SpatialPixelsDataFrame") > (st <- system.time(llSPix$pred <- idw(pred ~ 1, > loc=predx.wgs84,newdata = llSPix, nmax = 16)$var1.pred)) > cat("stuff",i,"\n") > f1 <- paste("pred",i,"a.png",sep="") > #Works fine > image(llSPix,"pred",col=bpy.colors(),main=f1) > > > assign("file1",f1) > cat("filen",file1,"\n") > png(filename = file1, width = GRD.wgs84$width, > height = GRD.wgs84$height,bg="transparent") > par(mar = c(0, 0, 0, 0), xaxs = "i", yaxs = "i") > image(llSPix, "pred", col = bpy.colors()) > dev.off() > kmlsetup(obj = GRD.wgs84, kmlfile =filename, > imagefile = file1, name =as.character(2000+i)) > > } > > Has anyone run into this before, please? > > Thanks, > Erin > > > [[alternative HTML version deleted]] > > _______________________________________________ > R-sig-Geo mailing list > R-sig-Geo@r-project.org <javascript:;> > https://stat.ethz.ch/mailman/listinfo/r-sig-geo > -- Michael Sumner Hobart, Australia e-mail: mdsum...@gmail.com [[alternative HTML version deleted]] _______________________________________________ R-sig-Geo mailing list R-sig-Geo@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-geo