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candlestick chart for non financial purpose

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Sayu asked on 26 Nov 2012, 08:44 AM
I was trying to use the candle stick chart for non financial data. Basically, I was trying to use the chart in place of a box n whiskers chart.
So I tried using kendochart instead of kendoStockChart and set the chart type to "candlestick" and it worked! However, since I was using kendoChart, I was not able to zoom on the chart using mouse scroll. 
I referred to the link for implementing my own zoom but I was not able to get the axis correctly.
I have two questions:
1. In case I use kendoChart for candlestick chart, how can I get the x Axis correctly?
2. Is there a way to use the kendoStockChart for non financial applications? Basically, my X axis wont be dates and could be patients.

Code snippet which I wrote is as under:
var title = $("#paramDropDown").data("kendoDropDownList").dataItem();
                        theme: $(document).data("kendoSkin") || "default",
                        dataSource: {
                            data: obj
                        title: {
                            text: title
                        series: [{
                            type: "candlestick",
                            openField: "q1Val",
                            highField: "maxVal",
                            lowField: "minVal",
                            closeField: "q3Val"
                        transitions: false,
                        drag: onDrag,
                        zoom: onDrag

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T. Tsonev
Telerik team
answered on 29 Nov 2012, 12:41 PM

Thank you for bringing this question up.

The candlestick chart is a categorical and requires a bit different approach.

The category axis itself has no range (min & max) so we can't filter the axis itself. Well, the date category axis does have a range, but it is a special case. In the general case we need to filter the data source. I've prepared a modified demo over here:

It works by assigning indices to the categories and filtering the data source by those indices.

On a second thought, adding a min/max options that work with indices to the category axis makes sense. We'll consider this for the next version.

All the best,
Tsvetomir Tsonev
the Telerik team
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