I'm trying to make a BarChart with different colored bars. So far so good,
but now i would like the annotation to be black for better readability.
How do i do this? I've tried some things with series and extra column but
they weren't fruitfull.
please help :)
function drawVisualization() {
var data = google.visualization.arrayToDataTable([
['color', 'avg', { role: 'style' }],
['red', 3.4 , '#BF3069'],
['red', 2.6 , '#DA94A6'],
['green', 3, '#30BF69'],
['green', 4, '#94CAA6'],
['purple', 3, '#9E30BF'],
['purple', 3, '#B894CA'],
['yellow', 4, '#cebf30'],
['yellow', 3, '#D0CA94'],
['blue', 4.415, '#3069BF'],
['blue', 2.2, '#94A6CA'],
['brown', 3, '#9A6654'],
['brown', 4, '#BA9482'],
['teal', 3, '#30B1BF'],
['teal', 3.113, '#A4D0DA'],
['all', 3, '#333333'],
['all', 4, '#666666'],
['grey', 5.231, '#CCCCCC'], ]);
var formatter = new google.visualization.NumberFormat( { pattern:'#.##' });
formatter.format(data, 1);
var view = new google.visualization.DataView(data);
view.setColumns( [0, 1, { calc: "stringify",
sourceColumn: 1,
type: "string",
role: "annotation" }, 2] );
var options = {
width: 280, height: 180,
chartArea: { top: 20, left: 10, width: "90%", height: "80%" },
title:"Attack Defense Dice Roll Averages",
bar: {groupWidth: "80%"},
vAxis: {textPosition: "none"},
tooltip:{trigger:"none"},
hAxis: {ticks: [{v:2.5, f:"2.5"}, {v:3.5 , f:"3.5"}, {v:4.5,f:"4.5"} ],
minValue:2.5,
maxValue:4.5,
minorGridlines:{count:1} } ,
};
var chart = new
google.visualization.BarChart(document.getElementById('visualization'));
chart.draw(view, options);
}
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