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Highcharts Javascript API

Highcharts Javascript API

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  1. Add directional arrows to your map line

    10 votes
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  2. 272 votes
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  3. This would allow SVG paths to be shorter in many cases, which would reduce data size, and make the page load faster.

    For example, SVG path for a rectangle could be
    "M400 400h32v28h-32Z"
    instead of
    "M400 400L432 400 432 428 400 428Z"
    See http://forum.highcharts.com/highmaps-usage-f14/use-of-relative-commands-in-svg-paths-for-map-t31720/

    1 vote
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  4. It would be good if you could hover a point on the graph and then click on the tooltip that appears so that you could redirect the user to a relevant page (e.g. a news article).

    114 votes
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  5. If a data point is between X and Y integer, give it "class='low-range'" if a data point is between A and B interger, give it "class='custom-class'", etc.

    1 vote
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  6. http://www.w3.org/TR/SVG/painting.html#ShapeRenderingProperty

    Allow setting of shape-rendering attribute in order to enable speed optimising.

    Code modification example:

    SVGRenderer.prototype = {
    /**
    * Initialize the SVGRenderer
    * @param {Object} container
    * @param {Number} width
    * @param {Number} height
    */
    init: function(container, width, height) {
    var box = doc.createElementNS('http://www.w3.org/2000/svg', 'svg'),
    loc = location;
    attr(box, {
    width: width,
    height: height,
    'shape-rendering': 'crispEdges', //suggest to add this by config

    7 votes
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  7. It'd be useful to have access to some more events, specifically I was thinking about 4 new events which could be captured and managed by dedicated handlers: onStartPrint, onFinishPrint, onStartExport and onFinishExport

    The first two are related to the act of printing the chart via the print button, the other two are related to chart exporting.

    28 votes
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  8. Plotlines are excellent to point out interesting Things in the chart. With large datasets it can be a good thing to be able to have an additional label for the exact value of that plotline

    1 vote
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  9. i cant find any code snippet for using map-parser

    0 votes
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  10. 19 votes
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  11. I want to do something after the tooltip shows.
    And I found the "point hover" event

    But when I use the "crosshair" option, it doesn't need to hover the points to trigger the tooltip, anywhere of the chart triggers the tooltip

    So now I can only do something when user's mouse hovers the points

    I want to do it when the tooltip shows,

    So i think it's better to add a "after tooltip show" event in options.

    thanks

    2 votes
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  12. Now highcharts support setting offset pixel of x axis to specify x axis position,but is not convenient, it is better to support setting offset of x axis with concrete Y scale value rather than pixel value. please see example http://jsfiddle.net/cxARQ/5/ , I want to set position of x axis at 50 of Y axis, but it is hard to set exact position with pixel.

    9 votes
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    under review  ·  5 comments  ·  Flag idea as inappropriate…  ·  Admin →
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  13. As mention in the comments for "Fix spline plots" (http://highcharts.uservoice.com/forums/55896-general/suggestions/871839-fix-spline-plots-to-draw-a-better-generalized-line), sometimes the built in spline fit method is not acceptable. It would be great if there were other fit options built in (like D3: https://github.com/mbostock/d3/wiki/SVG-Shapes#path-data-generators) or allow custom algorithm to be plugged in.

    0 votes
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  14. I would like to be able to choice the position of my axis, for logarithmic chart or not, like this image : http://img15.hostingpics.net/pics/881099axis.png
    Indeed, I need to split my chart in 4 part in taking the x-axis and the y-axis in a exactly point.
    Have you got a solution or is it possible to take this in the roadmap?

    Thanks

    15 votes
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  15. Allow do disable date input of rangeSelector without hide one

    7 votes
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  16. This would allow retrieveal of max and min data for that series. On a multi-series graph the axis extremes are nice, but being able to grab the extemes of each series would allow for more flexabiilty in data display.

    3 votes
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  17. Most things in HighCharts have smart defaults, so unset options will do something reasonable. But plotLines is not this way: if the user does not explicitly specify a width and color, no line will be drawn (and sometimes a JS error will happen).

    Example which works but includes comments on how to easily break it: http://jsfiddle.net/LKayp/

    I think plotLines (and addPlotLines) should default to a reasonable width and color, just as regular series lines do.

    1 vote
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  18. Being able to configure not just the fill colour of the bars in a chart, but the outline colour as well.

    3 votes
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  19. Hi

    I would like to suggest a small improvement concerning exporting. At the moment, user that wants to save a highchart has to click on a download icon and choose an option from a dropdown.
    A small but great improvement would be to do the same, just by right-clicking on a chart.

    You just right click on a chart -> save as -> desired format and voila!
    I am not sure if sucha feature is possible to implement, but it would be neat to have this! :)

    22 votes
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  20. I have four series of data, and each series only has one data point. I would like to render these data with x-dimension zoom ability as good as 4 data points in one series. If this is a duplicate topic, I am really sorry, because I could not find a similar one.

    Here is the fiddle: http://jsfiddle.net/yMSCZ/8/

    I was trying to approach it by adding dummy x value to each data point from each series: http://jsfiddle.net/yMSCZ/9/ But it did not work out.

    I understand in the first fiddle, HC will treat all the four points with the same x index,…

    24 votes
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