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August 29, 2015 14:15
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| library(V8) | |
| stopifnot(packageVersion("V8") >= "0.5") | |
| # Create V8 context and load viz.js | |
| ct <- new_context("window") | |
| invisible(ct$source('http://mdaines.github.io/viz.js/viz.js')) | |
| # This runs: Viz("digraph { a -> b; }", "svg") | |
| svg <- ct$call("Viz", "digraph { a -> b; }", "svg") | |
| cat(svg) | |
| # View SVG in Rstudio: | |
| tmp <- tempfile(fileext=".svg") | |
| writeLines(svg, tmp) | |
| rstudio::viewer(tmp) |
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Yes within a package you should preferably ship the js files in your
instdir (if copyright permits) and load them withsystem.file.