A grouped bar chart

This goes in the documents header:

<script src="RGraph.common.core.js"></script>
<script src="RGraph.bar.js"></script>

Put this where you want the chart to show up:

<canvas id="cvs" width="600" height="250">
    [No canvas support]
</canvas>

This is the code that generates the chart:

<script>
    bar = new RGraph.Bar({
        id: 'cvs',
        data: [[17,14,9,16,28,2], [22,15,19,16,12,6], [18,15,21,13,11,13], [17,12,12,14,22,3]],
        options: {
            noaxes: true,
            backgroundGridVlines: false,
            backgroundGridBorder: false,
            backgroundGridAutofitNumhlines: 3,
            ylabelsCount: 3,
            textColor: '#666',
            textSize: 10,
            hmargin: 55,
            hmarginGrouped: 2,
            colors: ['#E30513', '#1C1C1B', '#86BC24', '#E5007D', '#2F8DCD', '#F9D900'],
            labels: ['Arbeiter','Angestellte','Selbststandige','Arbeitslose'],
            unitsPost: ' %',
            gutterLeft: 50,
            gutterBottom: 65,
            gutterTop: 65,
            title: 'AfD unter Arbeitern und Arbeitslosen starkste Kraft',
            titleX: 50,
            titleHalign: 'left',
            titleColor: 'gray',
            key: ['SPD','CDU','Grune','Linke','AfD','FDP'],
            keyPosition: 'gutter',
            keyPositionY: 320,
            keyTextSize: 12,
            tooltipsHighlight: false
        }
    }).grow({frames:60}, function (obj)
    {
        for (var i=0,tooltips=[]; i<bar.data.length; i++) {
            tooltips.push('{1}: <b>{2} %</b><br />{3}: <b>{4} %</b><br />{5}: <b>{6} %</b><br />{7}: <b>{8} %</b><br />{9}: <b>{10} %</b><br />11: <b>{12} %</b><br />'.format(
                key[0], bar.data[i][0],
                key[1], bar.data[i][1],
                key[2], bar.data[i][2],
                key[3], bar.data[i][3],
                key[4], bar.data[i][4],
                key[5], bar.data[i][5]
            ));
        }
    
        bar.set({
            tooltips: tooltips,
            tooltipsEvent: 'mousemove'
        });

        RGraph.tooltips.style.backgroundColor = 'rgba(255,255,255,0.85)';
        RGraph.tooltips.style.padding         = '10px';
        RGraph.tooltips.style.paddingLeft     = '20px';
        RGraph.tooltips.style.border          = '2px solid red';
        RGraph.tooltips.style.textAlign       = 'left';










        // Add the drawing API rect objects that are used to trigger
        // the tooltips
        for (var i=0,j=0; i<bar.coords.length; i+=6,j++) {
            new RGraph.Drawing.Rect({
                id: 'cvs',
                x: bar.coords[i][0],
                y: bar.get('gutterTop'),
                width: (bar.coords[i][2] * 6) + (10 * bar.get('hmarginGrouped')),
                height: bar.canvas.height - bar.get('gutterTop') - bar.get('gutterBottom'),
                options: {
                    colors: ['red'],
                    fillstyle: 'transparent',
                    tooltips: [tooltips[j]],
                    highlightStroke: 'transparent'
                }
            }).draw();
        }

    });
</script>

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