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  1. 752 votes
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      45 comments  ·  Flag idea as inappropriate…  ·  Admin →
    • 591 votes
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        62 comments  ·  Flag idea as inappropriate…  ·  Admin →

        Treemaps is currently under development, but here is a small taste of what you can expect in the future.

        At the moment there is four algorithms implemented to get users up and running quickly. These are the SliceAndDice, Stripes, Squarified, and Strip algorithm. By extending the series object, the users can also add their own algorithms for layouting the data.
        A levels object is introduced to let the users set wanted options to a specific level, this is displayed in some of the demos. The levels object is great for using a mix of several algorithms in the same chart.

        Demos:
        - http://jsfiddle.net/highcharts/sqxqq1ry/
        - http://jsfiddle.net/highcharts/VUrr9/
        - http://jsfiddle.net/highcharts/tm720ufm/

      • Autocalculation and plotting of trend lines

        Auto calculation and plotting of trend lines in line charts, as described at http://en.wikipedia.org/wiki/Trend_lines_(technical_analysis)

        554 votes
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          9 comments  ·  Flag idea as inappropriate…  ·  Admin →
        • implement dynamic font size

          Currently the highcharts have fixed font size, in the javascript many references are found to hard-coded font-sizes of e.g. 9px and 11px. Instead I would prefer that Highcharts use relative font-size (and paddings etc.) like 1em or 0.8em based on the font-size of the container. This would allow to print large-scale graphs on high-resolutions screens and small graphs on tablets.

          405 votes
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            3 comments  ·  Flag idea as inappropriate…  ·  Admin →

            It is already partly implemented, but in many places the positioning of the text is not considering the actual font size.

            See http://jsfiddle.net/highcharts/ZTmyL/.

            For example, the baseline of the title is fixed, but the subtitle is respecting the actual font size. The axis labels are placed by a fixed base line, not by the rendered font size.

            Edit 2014-05-13:
            I’ve fixed these cases for tite, subtitle, axis labels, legend and tooltip now. See http://jsfiddle.net/highcharts/rcncL/.

          • Allow navigator to have multiple data series

            Please allow navigator to hold multiple data series. I had a request recently to convert a very large data set into separate categories, so that they could be deselected via the legend, but now I don't get the set represented in the navigator window, because it only will hold one series. And with large data, building one composite set will be too much overhead.

            357 votes
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              15 comments  ·  Flag idea as inappropriate…  ·  Admin →
            • Allow irregular time series to skip nights and weekends

              It should be possible to remove sufficiently long empty time spans, such as nights and weekends, from the datetime xAxis. This is currently possible by using the "ordinal" feature, but in that case you need to have an evenly spaced time series (for example, sampled every minute or every hour).

              Skipping empty time should also be possible for an arbitrarily timestamped time series. A simple way to implement this would be to set a time threshold. If this threshold is exceeded with no new points, the axis is cut and resumed from the next data point.

              This, along with other…

              343 votes
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                3 comments  ·  Flag idea as inappropriate…  ·  Admin →
              • Stacked area (spline etc) in irregular datetime series

                When you create more datetime irregular series, by now only the same datetime values are used to create the stack, resulting in a correct-but-ugly graph.

                292 votes
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                  2 comments  ·  Flag idea as inappropriate…  ·  Admin →
                • multiple axis alignment control

                  There seems to be a lot of posts in the forum asking how to align the 0 values of multiple y axes.

                  My thoughts for implementing this:
                  Chart level option (like alignTicks): alignBaseline: boolean (default: true)
                  Axis level option: baseline:(numeric) (default: 0)

                  By default 0 is the baseline for each axis, and by default the 0 value for each axis is aligned.
                  The user can set the baseline to any other set of numbers that should be aligned, or turn off alignment.

                  291 votes
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                    18 comments  ·  Flag idea as inappropriate…  ·  Admin →
                  • Adapt chart height to legend height

                    Auto sized (height) "renderTo" container on bottom aligned legendgroup with fixed chart height + option for legend items with the same (max) width for better readability

                    273 votes
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                      7 comments  ·  Flag idea as inappropriate…  ·  Admin →
                    • toggle legend box

                      if you can add a button which allows user to toggle the legend the it will be great, because as of now if you are displaying the legend on chart area then some part of chart points get hidden because of legend, and user just cant see them because legend box is on top of the chart points.

                      I even tried to do a normal toggle action with help of jquery but there are some issues when we do it. e.g. if we hide the legend and then add some series dynamically to chart then series gets added properly but…

                      228 votes
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                        4 comments  ·  Flag idea as inappropriate…  ·  Admin →
                      • 218 votes
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                          9 comments  ·  Flag idea as inappropriate…  ·  Admin →
                        • Venn Diagram

                          A Venn Diagram chart would be excellent. Nice and simple like the Google Charts API Venn, but with the usual HighCharts polish , tooltips, legends etc.

                          3 way would be great to start, 4 way even cooler ;-)

                          161 votes
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                            7 comments  ·  Flag idea as inappropriate…  ·  Admin →
                          • Draggable legend box

                            As in the example found at: http://www.ejschart.com/

                            157 votes
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                              26 comments  ·  Flag idea as inappropriate…  ·  Admin →
                            • Display No Data To Display

                              In case of a request where no data is received or an error is occured, define an easy way to display a custom message.

                              149 votes
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                                7 comments  ·  Flag idea as inappropriate…  ·  Admin →
                              • grouped x-axis

                                Like Excel does when you use 2 columns for the labels.See example on http://minus.com/mHNwVqDZO.

                                Each item on the category axis falls in a group. The groups are displayed below the axis items. Each group name is displayed only once (centered below all its items). Groups are devided by longer tickmarks.
                                Each group can contain a different number of items.
                                Possible uses:
                                * display structured categories like product and product group or country and region
                                * display two or more groups side by side, like gross sales and net sales, or this year and last year.

                                133 votes
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                                  15 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                • Add ability to change Rangeselector position

                                  Currently Rangeselector position is fixed at top. It should be possible to provide custom position for rangeselector

                                  123 votes
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                                    14 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                  • Add "ondblclick"-Option - e.g. for Exporting-Module

                                    What I want to do:
                                    exportButton.onclick = show Menu
                                    exportButton.ondblclick = direct export

                                    This should actually be possible using jQuery, but I dislike adding Code beside the Highcharts-Object.

                                    111 votes
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                                      2 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Draggable points

                                      Click and drag points on line charts and a correspoinding PointModified event so backend data can be updated.
                                      This will allow features to be built so users can modify data using the chart itself.

                                      110 votes
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                                        85 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                      • draw lines over a stock chart , for analysis purpose

                                        it's common to draw lines over stock charts indicating max and min values ( expected space for values of stocks )

                                        108 votes
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                                          22 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                        • 105 votes
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                                            11 comments  ·  Flag idea as inappropriate…  ·  Admin →
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