1081 results found

1. Handle multiple groupings

   For example, we currently have a plot that has three layers of groupings
   eg. We have a series of data that each point has a sample type, disease state, probe and gene associated with it. We want to move onto highcharts but would need to be able to show the sample type in the label/colour but show the breakdown for the disease state, probe and gene. See below for our current implementation in flot.

   https://docs.google.com/open?id=0B0Nu-R_YNfgIb0Fidmt1TFd1TU0

   I apologise if I can actually already do this - I thought I would ask first before I tried implementing it - I didn't see anything that suggested this could be done.

   For example, we currently have a plot that has three layers of groupings
   eg. We have a series of data that each point has a sample type, disease state, probe and gene associated with it. We want to move onto highcharts but would need to be able to show the sample type in the label/colour but show the breakdown for the disease state, probe and gene. See below for our current implementation in flot.

   https://docs.google.com/open?id=0B0Nu-R_YNfgIb0Fidmt1TFd1TU0

   I apologise if I can actually already do this - I thought I would ask first before I tried implementing it - I didn't see… more

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2. 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.

   117 votes

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   AdminTorstein Hønsi (CPO, Founder, Highcharts JS) responded

   Currently available only by DOM scripting.

3. add the capability for HighStock to project future growth based on the past data.

   If we have a series that over time is always increasing like this one: http://plus.tehk.org it would be nice to be able to ask highstock to plot a dotted line of future growth based on the average of all data for the period of data displayed. For instance, I would like to know when my count of G+ users will hit 1 billion. I could add this projected point to HighStock js and it would plot out the estimated growth out to this date.

   4 votes

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4. Improve series highlight on legend hover event (by dimming other series)

   It would be useful if you could improve the series line highlight (or equivalent on other chart type) on legend hover event.

   Following what is currently achieved on hover state by default, where it highlights the series line by adding line width, it should be possible to dim or gray out the other line series in the graph.

   This can be easily done by using events on legend items hovering: http://jsfiddle.net/vitorbarbosa/qpByN/
   however, it would be nice if it was implemented natively and for other chart types.

   17 votes

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   AdminTorstein Hønsi (CPO, Founder, Highcharts JS) responded

   Here’s a plugin that works with columns as well: http://jsfiddle.net/highcharts/Ha3Wr/

   It works by setting the opacity on the group element. I don’t expect it to work in legacy IE though.

5. Provide the option to let piecharts show the larger segments on top

   Reading a pie chart is like reading a clock. It's most effective to place the largest segment at 12 o'clock (as it does now). The best way to order the rest of the segments is to place the second biggest slice at 12 o'clock on the left; the rest would follow counterclockwise.

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   under review  ·  AdminTorstein Hønsi (CPO, Founder, Highcharts JS) responded

   Thanks for your suggestion. For now, you can just sort your data by value before adding it to the chart.

6. Enable drilldown on x axis click event same has clicking a column to drill down

   more information here ..

   http://highslide.com/forum/viewtopic.php?f=9&t=20657

   like this column drill down chart http://jsfiddle.net/Fusher/NULTY/

   i would like to have the x axis related to an an series in a column drilldown have the same effect has clicking on column . to drill down.

   it would be very usefull when data is plotted on negative side too .

   6 votes

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7. Support "dblclick" event

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

   18 votes

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8. Ability to persist tooltip post mouse leave.

   Would like the ability to keep the tooltip shown after the users mouse has left the chart. Pretty easy to add.

   Add option tooltip.sticky

   Current 3.2.0.
   Line: 1613. Add sticky: false.
   Line: 8672. Add && !chart.options.tooltip.sticky.
   Line: 8618. Wrap with if statement (!chart.options.tooltip.sticky).

   23 votes

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9. Have percentage position instead of fixed position for labels for different screen resolution

   i would be nice option to have if highcharts has option for html label position based on screen percentage instead of fixed position in pixels. it would help a lot for different screen resolution

   14 votes

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10. Radial value-time chart

    Example: http://www.ritholtz.com/blog/wp-content/uploads/2012/09/P1-BH923_PRICE_G_20120904184802.jpg

    Settings for AM, PM, 24H, partial day etc.

    4 votes

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11. chart within tooltips

    Is possible to display a chart in the tooltips ?

    Like a drilldown chart which is shown at tooltips.

    I have try a few simple solution with it :
    1. I'm set useHTML option to TRUE, and applying <iframe> syntax. So basically, i make 2 chart.
    2. I'm set useHTML option to TRUE, and applying <img> syntax. So i have 1 Chart & 1 Image.

    What I dislike from my method :

    Method 1. I cannot customize tooltips size.
    Method 2. I will have a chart image, not an interactive chart

    1 vote

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12. Exporting charts just by right clicking on them

    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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    under review  ·  AdminTorstein Hønsi (CPO, Founder, Highcharts JS) responded

    I did an attempt at http://jsfiddle.net/highcharts/spaa2he9/, but it is quite unstable. Maybe it can serve as a starting point for you to figure out how to enable it.

13. In the chart html href tag also not working..<a href="http://www.example.com" target="blank">Home</a>
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14. I suggest you a new feature for "donut charts"

    I suggest you a new feature for "donut charts" (with 2 or more circles, like "browser" and "version" in your example).
    I have a real need in this feature. What is it?
    When user click on one label at the legend (which has 2 labels: "browser" and "version") this label and circle at the chart display none.
    The other data at the chart (i mean the next circles, more outlying) must regroup.
    So, if there are 2 same "1.1" version, with "5%" and "7%" at the second circle, after the regroup it must display "12%" in one sector.
    I realy need this featere in donut charts and able to buy it, if you do this.

    I suggest you a new feature for "donut charts" (with 2 or more circles, like "browser" and "version" in your example).
    I have a real need in this feature. What is it?
    When user click on one label at the legend (which has 2 labels: "browser" and "version") this label and circle at the chart display none.
    The other data at the chart (i mean the next circles, more outlying) must regroup.
    So, if there are 2 same "1.1" version, with "5%" and "7%" at the second circle, after the regroup it must display "12%" in one sector.
    I realy… more

    9 votes

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15. dynamic/infinite threshold for area charts

    I have a need to display an area above (or below for reversed y-axis) a line. I can certainly specify a threshold above the highest value in the series, however this breaks the yAxis ability to dynamically pick the maximum end of the range based on the data. So I suggest either (a) have an option for the yAxis to ignore the threshold when dynamically choosing the min/max of the range, or (b) having special "positive infinity" and "negative infinity" values for the threshold that would of course be ignored by the yAxis ranging.

    Thanks!

    16 votes

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16. Explicit support for drill-down Ajax interactive data zooming

    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 range to exclude gaps surrounding the data, which also ends up triggering setExtremes again.

    So, since such interactive Ajax behavior seems to still be in the experimental phase, I'd like to cast my vote for it becoming an official feature.

    Based on my experience working with the tool over the last couple days, I've arrived at the following approach which could work so much better if Highcharts somehow better supported this, probably through explicit events tailored to dynamically populating data interactively.

    1. My external server-side script has two distinct modes-

    (a) give me all the data, averaged by hour. This gives me on the order of 10,000 points, which is very doable to work with to populate the navigator series and provide interactivity with a good range of zoom levels.

    (b) give me a date range of data in full, down to the second. This I use for data ranges less than 24 hours long, This gives me no more than 86,400 points, which is doable especially because the user is expecting a delay (and I show the "loading" display).

    1. My client-side Javascript, which uses Highstock, initially reads in all the data by hour and explicitly populates the navigator with it, as well as the main chart.

    2. I hook into the setExtremes event of the xAxis, and if the selected date range is 24 hours or less, I retrieve just that data and use setData to apply it to the series of the main chart. If the selected date range is greater than 24 hours, I simply setData back to the original full series, which is still in memory and in use by the navigator.

    The problems are mainly that the setExtremes event tends to get triggered multiple times per user interaction, particularly when the navigator is manipulated by the user. So, I have to put in an explicit test to make sure that the min and max passed directly in the event object are in fact different than the current min and max, which I obtain from the currentTarget property of the event object. If I don't test for it, an endless loop often occurs because it appears that in some cases the setData method can trigger a setExtremes event itself.

    In addition, as I mentioned, the system seems to like to shrink the gaps between the data and the start of the date range, which can be disconcerting because, when zooming in on a particular "island" of data, it is useful to see the gaps so that you know you have all the data from that island in view, and that the edge didn't get chopped off.

    So, I think one approach to this could be the creation of a "getData" event, which would be triggered whenever the display range of the chart is changed - after the system has completely settled on exactly what the new range will be, but before it has attempted to update the display. This event would be triggered regardless of the source of the display change, whether it is programmatic, or through user manipulation of the navigator or direct selection of a subrange on the chart by click and drag.

    The event would be passed the exact date range (or more generally the xAxis range) that it intends to display. The user handler could choose to do nothing (the default), in which case the existing series data would be displayed. Or, the handler could fetch new data into one or more series' data range(s). The Highchart system would then, upon completion of the getData event, display exactly the xAxis data range it had passed to the getData event, possibly adjusting the yAxis to conform to the new data depending on settings related to yAxis behavior.

    This event, in my vision of things, would not have the ability to change the xAxis range that is to be displayed, nor could the system "change its mind" and make adjustments to the range being displayed after the getData event is triggered. This is important because the user will then experience a stable environment in which what they select with the mouse is what they get, no matter what the data looks like, or what gaps are in it.

    From my testing, no event exists that satisfies this criteria. The redraw event comes close, but it is not always consistently triggered, particularly when the Highstock navigator is used. The setExtremes event comes closer, but it exhibits the instabilities I have discussed, that I had to work around. setExtremes appears to be triggered too "early" in the process, so to speak.

    If there is a way to accomplish exactly what I have proposed using existing features of Highchart/Highstock, please enlighten me. Otherwise, my feature request is respectfully submitted.

    Thanks!

    [note: I have at least one other request that is related but I will submit separately.]

    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… more

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17. axis option minorTickCount

    Currently if minorTickInterval is set to 'auto' then the calculation to determine the minor tick interval does a divide-by-5 on the regular tick interval. I would like an option to change this magic number 5 to something else.

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18. Allow an array of dataLabel colours

    This would mean if the user had specified a number of different colours for the chart, we could then match the colours of the dataLabels, either to be the same if we wanted, or to invert if we want to put the labels over the bars, columns, slices etc.
    So if our first bar was dark we could set the first label to be white, and if the second was light, the second label would be dark.

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19. plotBand hover state (similar to marker) to change color, etc.

    Just like how you can change the fillColor of a marker on hover, I'd like to be able to change the color of a plotBand on hover.

    3 votes

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20. outline border to stacked column bar

    Instead of individual column border in stacked column.Can we apply one Outer border to Column in a single Stack . Here you can see : http://snag.gy/7KqAY.jpg.

    15 votes

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