Highcharts Javascript API

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  1. reversing selected colorscheme and maximizing contrast in highmaps

    We have recently implemented highmaps on our site and added features to let content creators select different color schemes when they create a map.
    But what they are missing is two things: a option to reverse the selected colorscheme from dark to light or light to dark.

    And a behavior change in highmaps when using the defined colors, so that if the map has fewer data classes than the number of defined colors, only the colors with highest contrast between them should be used.

    example: if only two data classes are defined, only the lightest and the darkest color should…

    4 votes
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      5 comments  ·  Flag idea as inappropriate…  ·  Admin →
    • Allow highchartmore to be "init" several time without bug

      Posted as an issue here https://github.com/highcharts/highcharts/issues/7729

      In modern app, highcharts and highcharts more are loaded as module and potentially multiple time, but highcharts more cannot be "init" several time without breaking highcharts :(

      39 votes
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        0 comments  ·  Flag idea as inappropriate…  ·  Admin →
      • Make axis labels formattable so that they all have the same number of decimal places

        I would like to have all axis labels rendered with the same number of decimals. Currently, I can fix the number of decimals using the format string, but when zooming in, more decimals are often necessary.

        In statistics, it is a general consensus to have axis labels with the same numebr of decimal places to indicate the precision level, so I suggest Highcharts to support this, too, without reverting to custom code.

        Currently, it can apparently only be done using custom event code, see this Highcharts Forum entry:
        https://forum.highcharts.com/highcharts-usage/how-to-have-all-yaxis-labels-show-same-number-of-decimals-t40826/

        Thanks for your consideration!
        J.

        2 votes
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          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
        • Highcharts wordcloud: Group words in sections and show words having maximum weight in each category with relative font sizes

          https://www.anychart.com/products/anychart/gallery/Tag_Cloud/State_of_the_Union_Address_Most_Used_Words.php
          Refer the image in the above link. The image shows words grouped in 3 categories: Barack Obama, George Bush and Ronald Reagan. Each of these categories have a word with maximum frequency – I (70%), will (49%) and will (65%) respectively. Thus the font sizes of maximum frequency words are shown relatively.
          I have tried following 3 examples:
          1) Render three wordclouds in a one chart: jsfiddle.net/znm6f89r/8 - but still, word weight is based on the size within the series.
          2) Define custom placement strategy: jsfiddle.net/znm6f89r/28 - but labels may not be within the column.
          3) Using 3 series…

          12 votes
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            2 comments  ·  Flag idea as inappropriate…  ·  Admin →
          • To add a study/indicator called 'super trend'

            Now days 'super trend' is special requirement for all traders.

            This step from Highcharts will be appreciated.

            Indicators were implemented by highchart team in below suggestion ::

            https://highcharts.uservoice.com/forums/55896-highcharts-javascript-api/suggestions/3200072-i-suggest-to-add-some-very-common-buy-sell-indicat

            Thanks

            3 votes
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              0 comments  ·  Flag idea as inappropriate…  ·  Admin →
            • Property for donut chart to show the aggregated total exactly at the center of donut

              Provide a property for donut chart to show the aggregated total exactly at the center of donut

              var colors = Highcharts.getOptions().colors,
              categories = [
              "Chrome",
              "Firefox",
              "Internet Explorer",
              "Safari",
              "Edge",
              "Opera",
              "Other"
              ],
              data = [
              {
              "y": 62.74,
              "color": colors[2],
              "drilldown": {
              "name": "Chrome",
              "categories": [
              "Chrome v65.0",
              "Chrome v64.0",
              "Chrome v63.0",
              "Chrome v62.0",
              "Chrome v61.0",
              "Chrome v60.0",
              "Chrome v59.0",
              "Chrome v58.0",
              "Chrome v57.0",
              "Chrome v56.0",
              "Chrome v55.0",
              "Chrome v54.0",
              "Chrome v51.0",
              "Chrome v49.0",
              "Chrome v48.0",
              "Chrome v47.0",
              "Chrome v43.0",
              "Chrome v29.0"
              ],
              "data": [
              0.1,
              1.3,
              53.02,
              1.4,
              0.88,
              0.56,
              0.45,
              0.49,
              0.32,
              0.29,
              0.79,
              0.18,
              0.13,
              2.16, …

              1 vote
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                3 comments  ·  Flag idea as inappropriate…  ·  Admin →
              • add a property for keeping the font-size fixed on svg files while resizing it

                I would love to have a property fontresize: boolean like
                title: {
                text: 'Highcharts Header',
                style: {
                fontSize: '48px',
                fontResize: false;
                }
                }
                for all Texts at the charts or may be also on generall property which works on all texts.
                This property (set on false) should avoid that while resizing the svg-file the size of the text is being resized too.

                3 votes
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                  1 comment  ·  Flag idea as inappropriate…  ·  Admin →
                • zom out feature for all the graphs/charts

                  Is there any provision for user to zoom out the graph instead of reset zoom? And drag as well.

                  1 vote
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                    0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                  • Rangeselector with numerical x-axis

                    Rangeselector is great, but I have only seen it with dates on the x-axis. Is it also possible to have numerical values instead?

                    I would expect it to be relatively straight-forward. If not, is there a reason for not supporting it?

                    Thanks!

                    6 votes
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                      0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                    • Set initial state for (custom) buttons before drawing

                      As I explain in this SO question https://stackoverflow.com/questions/51282216/set-initial-state-for-custom-buttons-before-drawing-highcharts , I need to create custom buttons with an initial/default state (disabled mostly).

                      Right now I use a callback function with setState (thankfully this doesn't redraw the graph, therefore we face little to no performance impact) but it I believe it could be a nice feature

                      1 vote
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                        0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                      • Add option for max number of visible levels on Sunburst

                        Show only a given number of levels at the same time.

                        Keep in mind the possibility of more granular control depending on which level the user is on.

                        E.g display levels 1-3 by default, and show levels 4 and 5 only when the user drills into level 3.

                        2 votes
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                          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                        • Boost module for mappoint

                          Mappoint series are not supported by the boost module.
                          This could be useful to have it for "Rain radar image" where each point has a set of coordinates with a value which determine its color.
                          The current version does not support it when there is a lot of rain (thus a lot of points).

                          It could also be useful in other situation where a lot of location have to be displayed on a map

                          1 vote
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                            0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                          • Email the pdf generated via highcharts export

                            Is it possible to email the PDF generated by the highcharts export library automatically?

                            1 vote
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                              0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                            • Highcharts Parallel Coordinates: Hover/Highlight all series through point

                              I implemented a parallel coordinates chart in highchart and already activated hovering.

                              However, most of the times there is more than one serie lines on the same point (= value of a category) For instance, in the example linked above, there could be multiple lines on shoes=Adidas). When hovering this point, I would like to examine all series lines going through this point and not only the one on the top, e.g. I want to see, how Adidas shoes correlate with other categories (or at least see, wether there is some correlation).

                              I guess, basically I am looking for something…

                              3 votes
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                                0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                              • Add dynamic data update for iOS wrapper

                                For iOS wrapper there is no way to do `data.addPoint(...)`. The only way to do a dynamic chart is resetting data when new points become available.
                                Would be nice for `HISeries` to contain methods such as `addPoint()` and `data.update()` for data changing. Also animation shall work on such operations.

                                3 votes
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                                  0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                • HighStock ios

                                  It would great to have HighStock support in cocoapods for ios.

                                  1 vote
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                                    0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                  • 1 vote
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                                      0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                    • Allow crop on stack total labels

                                      We are seeing stack total labels get cut off as they get close to the top bounds of the chart. While investigating this we found that we can crop & allow overlap on datalabels so they show outside the bounds of the table, but cannot do that with the stacked labels. We would like to have the same crop and overflow options that datalabels have on stack labels.

                                      https://api.highcharts.com/highcharts/series.line.dataLabels.crop
                                      https://api.highcharts.com/highcharts/yAxis.stackLabels has allowOverlap but that doesn't exactly meet our needs.

                                      2 votes
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                                        0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                      • Link a PlotLine to a Series

                                        I cannot find a way to link a PlotLine (an average line, for example) to a specific series. I would like to be able to toggle the visibility of such a line with the visibility of a series. There's currently no way to do that easily, and I think that this would be a useful feature for a lot of scenarios.

                                        3 votes
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                                          0 comments  ·  Flag idea as inappropriate…  ·  Admin →
                                        • multi level pie chart with no-data-to-display message

                                          I need little help i have to know is there any way to use no-data-to-display.js file in our multi level pie chart ?

                                          Consider District, City and Union Council UC,
                                          'District - Grand Parent'
                                          'City - parent'
                                          'UC - child'
                                          now in as a franchiser we have to see where and where we are selling our products.
                                          my problem is when there is only distribution in district it drillDown and shows message "we are only selling in ...... district"

                                          else it shows different cities and then uc wherever we are ending it shows message.

                                          it is working but it is…

                                          3 votes
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                                            0 comments  ·  Flag idea as inappropriate…  ·  Admin →
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                                          Highcharts Javascript API

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