solved
date_values= json.dumps(list(date_values), cls=DjangoJSONEncoder)
<script>
var date_values = {{ date_values|safe }};
var lineChartData = {
labels : date_values,
datasets : [
{
label: "CPU Usage in MHZ",
fillColor : "rgba(220,220,220,0.2)",
strokeColor : "rgba(220,220,220,1)",
pointColor : "rgba(220,220,220,1)",
pointStrokeColor : "#fff",
pointHighlightFill : "#fff",
pointHighlightStroke : "rgba(220,220,220,1)",
data : {{cpu_values}}
}
]
}
window.onload = function(){
var ctx = document.getElementById("canvas").getContext("2d");
window.myLine = new Chart(ctx).Line(lineChartData, {
responsive: true
});
}
</script>
On Tuesday, July 29, 2014 9:47:40 AM UTC-6, G Z wrote:
>
> the values will show how, but i ran into another problem while trying to
> input the labels, labels need to be strings so I input them as an array
> such as the following: ["2014-07-28 14:24:11", "2014-07-28 14:24:11"] I
> saved it as a simple json in django and pass it to the webbrowser and then
> conver the json to a javascript value and pass that as the labels. Normally
> labels is ['sdfsdf','sdfsfs'] which is exactly how I pass mine Ive passed
> with "" and '' it doesn't matter. I'm trying to use the datetimes as the
> graph labels.
>
> <script src="{% static 'js/chart.js' %}"></script>
> <script>
> var dates = JSON.parse("{{ date_values }}");
> var lineChartData = {
> labels : [dates],
> datasets : [
> {
> label: "CPU Usage in MHZ",
> fillColor : "rgba(220,220,220,0.2)",
> strokeColor : "rgba(220,220,220,1)",
> pointColor : "rgba(220,220,220,1)",
> pointStrokeColor : "#fff",
> pointHighlightFill : "#fff",
> pointHighlightStroke : "rgba(220,220,220,1)",
> data : {{cpu_values}}
> }
> ]
>
> }
>
> window.onload = function(){
> var ctx = document.getElementById("canvas").getContext("2d");
> window.myLine = new Chart(ctx).Line(lineChartData, {
> responsive: true
> });
> }
>
> </script>
>
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