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ノードに画像を描画

## image rasters <- c(); for(v in V(g)$name){ jpg <- paste("/Users/ukonlly/data/", v, ".jpg", sep=""); url <- paste("file://", jpg, sep=""); if(file.exists(jpg)){ con <- url(url, open="rb") bin <- readBin(con, what="raw", n=10^6) close(con…