On May 24, 2010, at 2:32 PM, array chip wrote: > Hi, is there a way to create one image file (like using win.metafile(), > bmp(), etc) that contained multiple pages of plots, just like what > postscript() does in creating PDF file? > > Thanks > > John
John, There is no notion of pages with bitmapped graphics as there is with PDF/PS, where you can have multiple separate plots in a single file. The single bitmapped file is designed to be rendered on a single bitmapped display device. The EMF/WMF metafiles on Windows are, I believe, subject to the same limitations, even though they are vector based. However, you can output multiple plots to multiple files (one-to-one) after a single call to one of the bitmapped device functions. See the 'filename' argument in the various functions (eg. ?png) where you can use a filename format that includes a sprintf style integer format, such as "MyPlots%03d.png". The "%03d" will start as '001' and increment with each new plot() call before the subsequent dev.off() call. For example: png(file = "test%03d.png") barplot(1:5) barplot(1:10) barplot(1:15) dev.off() You end up with three files named test001.png, test002.png and test003.png. HTH, Marc Schwartz ______________________________________________ [email protected] mailing list 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.
