Multiple Layers in Polycharts

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<pre><code class='r'>r1 &lt;- rPlot(mpg ~ wt, data = mtcars, type = 'point')
r1$layer(type = 'line', copy_layer = T)
r1
</code></pre>
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    <script type='text/javascript'>
    var chartParams = {
 "dom": "chart88ea27336659",
"width":    700,
"height":    400,
"layers": [
 {
 "x": "wt",
"y": "mpg",
"data": {
 "mpg": [     21,     21,   22.8,   21.4,   18.7,   18.1,   14.3,   24.4,   22.8,   19.2,   17.8,   16.4,   17.3,   15.2,   10.4,   10.4,   14.7,   32.4,   30.4,   33.9,   21.5,   15.5,   15.2,   13.3,   19.2,   27.3,     26,   30.4,   15.8,   19.7,     15,   21.4 ],
"cyl": [      6,      6,      4,      6,      8,      6,      8,      4,      4,      6,      6,      8,      8,      8,      8,      8,      8,      4,      4,      4,      4,      8,      8,      8,      8,      4,      4,      4,      8,      6,      8,      4 ],
"disp": [    160,    160,    108,    258,    360,    225,    360,  146.7,  140.8,  167.6,  167.6,  275.8,  275.8,  275.8,    472,    460,    440,   78.7,   75.7,   71.1,  120.1,    318,    304,    350,    400,     79,  120.3,   95.1,    351,    145,    301,    121 ],
"hp": [    110,    110,     93,    110,    175,    105,    245,     62,     95,    123,    123,    180,    180,    180,    205,    215,    230,     66,     52,     65,     97,    150,    150,    245,    175,     66,     91,    113,    264,    175,    335,    109 ],
"drat": [    3.9,    3.9,   3.85,   3.08,   3.15,   2.76,   3.21,   3.69,   3.92,   3.92,   3.92,   3.07,   3.07,   3.07,   2.93,      3,   3.23,   4.08,   4.93,   4.22,    3.7,   2.76,   3.15,   3.73,   3.08,   4.08,   4.43,   3.77,   4.22,   3.62,   3.54,   4.11 ],
"wt": [   2.62,  2.875,   2.32,  3.215,   3.44,   3.46,   3.57,   3.19,   3.15,   3.44,   3.44,   4.07,   3.73,   3.78,   5.25,  5.424,  5.345,    2.2,  1.615,  1.835,  2.465,   3.52,  3.435,   3.84,  3.845,  1.935,   2.14,  1.513,   3.17,   2.77,   3.57,   2.78 ],
"qsec": [  16.46,  17.02,  18.61,  19.44,  17.02,  20.22,  15.84,     20,   22.9,   18.3,   18.9,   17.4,   17.6,     18,  17.98,  17.82,  17.42,  19.47,  18.52,   19.9,  20.01,  16.87,   17.3,  15.41,  17.05,   18.9,   16.7,   16.9,   14.5,   15.5,   14.6,   18.6 ],
"vs": [      0,      0,      1,      1,      0,      1,      0,      1,      1,      1,      1,      0,      0,      0,      0,      0,      0,      1,      1,      1,      1,      0,      0,      0,      0,      1,      0,      1,      0,      0,      0,      1 ],
"am": [      1,      1,      1,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      1,      1,      1,      0,      0,      0,      0,      0,      1,      1,      1,      1,      1,      1,      1 ],
"gear": [      4,      4,      4,      3,      3,      3,      3,      4,      4,      4,      4,      3,      3,      3,      3,      3,      3,      4,      4,      4,      3,      3,      3,      3,      3,      4,      5,      5,      5,      5,      5,      4 ],
"carb": [      4,      4,      1,      1,      2,      1,      4,      2,      2,      4,      4,      3,      3,      3,      4,      4,      4,      1,      2,      1,      1,      2,      2,      4,      2,      1,      2,      2,      4,      6,      8,      2 ] 
},
"facet": null,
"type": "point" 
},
{
 "type": "line",
"x": "wt",
"y": "mpg",
"data": {
 "mpg": [     21,     21,   22.8,   21.4,   18.7,   18.1,   14.3,   24.4,   22.8,   19.2,   17.8,   16.4,   17.3,   15.2,   10.4,   10.4,   14.7,   32.4,   30.4,   33.9,   21.5,   15.5,   15.2,   13.3,   19.2,   27.3,     26,   30.4,   15.8,   19.7,     15,   21.4 ],
"cyl": [      6,      6,      4,      6,      8,      6,      8,      4,      4,      6,      6,      8,      8,      8,      8,      8,      8,      4,      4,      4,      4,      8,      8,      8,      8,      4,      4,      4,      8,      6,      8,      4 ],
"disp": [    160,    160,    108,    258,    360,    225,    360,  146.7,  140.8,  167.6,  167.6,  275.8,  275.8,  275.8,    472,    460,    440,   78.7,   75.7,   71.1,  120.1,    318,    304,    350,    400,     79,  120.3,   95.1,    351,    145,    301,    121 ],
"hp": [    110,    110,     93,    110,    175,    105,    245,     62,     95,    123,    123,    180,    180,    180,    205,    215,    230,     66,     52,     65,     97,    150,    150,    245,    175,     66,     91,    113,    264,    175,    335,    109 ],
"drat": [    3.9,    3.9,   3.85,   3.08,   3.15,   2.76,   3.21,   3.69,   3.92,   3.92,   3.92,   3.07,   3.07,   3.07,   2.93,      3,   3.23,   4.08,   4.93,   4.22,    3.7,   2.76,   3.15,   3.73,   3.08,   4.08,   4.43,   3.77,   4.22,   3.62,   3.54,   4.11 ],
"wt": [   2.62,  2.875,   2.32,  3.215,   3.44,   3.46,   3.57,   3.19,   3.15,   3.44,   3.44,   4.07,   3.73,   3.78,   5.25,  5.424,  5.345,    2.2,  1.615,  1.835,  2.465,   3.52,  3.435,   3.84,  3.845,  1.935,   2.14,  1.513,   3.17,   2.77,   3.57,   2.78 ],
"qsec": [  16.46,  17.02,  18.61,  19.44,  17.02,  20.22,  15.84,     20,   22.9,   18.3,   18.9,   17.4,   17.6,     18,  17.98,  17.82,  17.42,  19.47,  18.52,   19.9,  20.01,  16.87,   17.3,  15.41,  17.05,   18.9,   16.7,   16.9,   14.5,   15.5,   14.6,   18.6 ],
"vs": [      0,      0,      1,      1,      0,      1,      0,      1,      1,      1,      1,      0,      0,      0,      0,      0,      0,      1,      1,      1,      1,      0,      0,      0,      0,      1,      0,      1,      0,      0,      0,      1 ],
"am": [      1,      1,      1,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      0,      1,      1,      1,      0,      0,      0,      0,      0,      1,      1,      1,      1,      1,      1,      1 ],
"gear": [      4,      4,      4,      3,      3,      3,      3,      4,      4,      4,      4,      3,      3,      3,      3,      3,      3,      4,      4,      4,      3,      3,      3,      3,      3,      4,      5,      5,      5,      5,      5,      4 ],
"carb": [      4,      4,      1,      1,      2,      1,      4,      2,      2,      4,      4,      3,      3,      3,      4,      4,      4,      1,      2,      1,      1,      2,      2,      4,      2,      1,      2,      2,      4,      6,      8,      2 ] 
},
"facet": null 
} 
],
"facet": [],
"guides": [],
"coord": [],
"id": "chart88ea27336659" 
}
    _.each(chartParams.layers, function(el){
        el.data = polyjs.data(el.data)
    })
    var graph_chart88ea27336659 = polyjs.chart(chartParams);
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Modified http://ramnathv.github.io/rCharts/libraries/widgets/polycharts/js/polychart2.standalone.js to a secure url

Modified http://cdnjs.cloudflare.com/ajax/libs/prettify/188.0.0/prettify.js to a secure url

https://ramnathv.github.io/rCharts/libraries/widgets/polycharts/js/polychart2.standalone.js

https://cdnjs.cloudflare.com/ajax/libs/prettify/188.0.0/prettify.js