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Highcharts Javascript API

Highcharts Javascript API

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  1. The user would click a given category name, for instance, on a list, and the heatmap would highlight the row/column that corresponds to that category. This would allow for users to look for columns/rows if interest in a faster way, especially when dealing with big datasets.

    20 votes
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  2. Instead of having Treemap as groups of rectangles, we can have it as group of circles.

    Something like this:
    - http://coolmoviebrowser.free.fr/img/circular-treemap.jpg
    - http://www.addictivetips.com/windows-tips/analyze-disk-space-usage-via-7-tree-based-data-structure-visualization-treeviz/

    Hope you can do it :)

    Regards,
    Sorinel

    20 votes
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  3. Create sparklines like in Google analytics

    19 votes
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  4. I would like the tooltip to have a 'initial delay' - such that it acts more like a typical tooltip. I.e. the tooltip only shows after the mouse is stationary for a specified time, and then tracks data points instantly once shown.

    Additionally, I would like the tooltip to be able to be replaced by a callback which provided the point values, such that they could be displayed elsewhere. So, for example, I might want to display the values of the currently tracked points in a div to the right of the graph, while still retaining the crosshair functionality.

    19 votes
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  5. A plugin where one can upload a CSV file and in turn it creates a graph of its own, like a page.

    19 votes
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  6. I have an extremely large dataset (once-a-second measurements extending over several years) that I'd like to be able to zoom in (and out) interactively with the Highstock navigator as well as direct selection with the mouse.

    I think I have finally managed to piece together a somewhat stable solution by using the rather under-documented setExtremes event. However, some slight instabilities remain, mainly due to the fact that the setData method appears to itself trigger the setExtremes event sometimes. In addition, my dataset is discontiguous (has many gaps) and Highchart seems to like to shrink the limits of the selected data…

    19 votes
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  7. When a chart have several axis it is not easy to see which axis has to be used with a serie.

    A solution migth be to higlight (like columns) axis when the mouse passed over a serie

    19 votes
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  8. Currently, on a chart with multiple series having distinct x values, step lines can look awkward when one series ends before another.

    My immediate desire is simply to have an option to extend step lines to the right-hand edge of the chart. It should work when addPoint() is used on another series and the chart is redrawn. That is, all series drawn with the "step" option should be drawn as-if they have an additional point like [chartmaxx, serieslasty].

    I don't need full extrapolation capabilities, that is, I'm not asking for any logic to decide how to…

    19 votes
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  9. 19 votes
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  10. We're trying to add some superscripted text to chart subtitles, but the <sup> tag is not supported. Can you add support for some more html tag support for tags like <sup> and <sub>

    19 votes
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  11. See here: http://forum.highcharts.com/post115029.html

    This would add a chart width/height setting of "auto". For bar charts, the auto height uses the point width and padding options to determine the "correct" height of the plot box, instead of using the size of the container. For column charts, the chart would grow/shrink horizontally to fit all columns.

    19 votes
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  12. 19 votes
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  13. A "ribbon chart" which is a new way to look at a stacked area/column chart. Looks much prettier and easier to compared to the normal stacked styles that have commonly existed in most chart systems.

    This site wrote up an article about the style being added to another chart system.

    http://radacad.com/ribbon-chart-is-the-next-generation-of-stacked-column-chart

    thanks!

    19 votes
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  14. When exporting graphs to any format, if you are using a custom font that is not installed on the user's computer (even if you are using the CSS @font declaration to include it for your site), the font will not be used on the exported chart.

    Example:
    http://jsfiddle.net/n2rcogxa/

    You should be able to solve the issue by embedding the base64-encoded font in the SVG document prior to converting from SVG to whatever the desired format is (PNG, JPG, PDF, etc).

    Example:
    http://jsfiddle.net/moyf3zvb/2/

    Note you must actually embed the font. Including it as a @font declaration in the SVG document does…

    19 votes
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  15. The dynamic SVG plots could be replaced by a static image of the plots, similar to how the exported PNG looks. The choice between dynamic and static could be made at runtime based on the size of the dataset.

    I'm generating scatter plots based on data from a database. The plots looks great, however the performance gets to be a probably when the plot has more than 1000 points.

    18 votes
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  16. Include average information with each chart. This could include mean, median, and mode.

    18 votes
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  17. Please support "dblclick" event for chart, series, and point.

    18 votes
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  18. Currently, handles exist for expanding or contracting the date range. I would like the ability to remove the handles so the user can only scroll left and right without being able to zoom.

    18 votes
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  19. The current logic for the "normal" stacking is that the series are stacked from the top to the bottom. There should be an easy way to reverse the order, our users are used to build the stack from the bottom to the top and not vice versa. I suggest adding something like plotOptions { stackingOrder: 'reversed' }// default 'normal'

    18 votes
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  20. Namely, I have an issue with the misleading maxHeight property. If you are digging deep enough in the docs to customize the legend to use maxHeight, this property's value should be taken as gospel.
    Either that or allow for the navigation (pagination) of the legend to be disabled without having to have useHTML enabled.

    18 votes
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