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javascriptjqueryangularjsropencpu

object Object displayed in html page

I'm trying to display the graph plotted by the R function in the opencpu server. However,it only displays [object Object] in the html page. The following is the code in my AngularJS controller.

var req = ocpu.rpc("plotGraph", {
                filepath:"C:/Users/abc/Desktop/test.txt"
            }, function(output){
              $("#output").text(output);
            });

The following is the R function in the package plotGraph.

plotGraph <- function(filepath) {
  test.ecg <- read.table(filepath, quote="\"", comment.char="")
  ecg=ts(test.ecg)
  plot(ecg)

}

How do I display the plot created by the R function?

Solution

  • Try with rplot:

    var req = $("#output").rplot("plotGraph", {
    filepath:"C:/Users/abc/Desktop/test.txt"
});

    ocpu.rpc is to get back json only.