Java :: Searching For A Free Charting Library?
Oct 29, 2009
I am searching for a free charting library, either in Java, JS, or Flash, that allows for drill-down type interaction. An example of this sort of behavior can be found in the trends section on mint.com. JFreeChart seems like the generally recommended choice for charting purposes, but from a little browsing of their API there doesn't seem to be any obvious way to detect mouse clicks on a particular slice and change the chart in response.
Any advice on how to handle this sort of behavior using JFreeChart, or if this is not possible any recommendations for other libraries that do support this behavior?
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Aug 9, 2011
Is there a free web control (serverside php or clientside flash or javascript) that can take a set of datapoints with timestamps (possibly with gaps or at irregular intervals) and draw a chart that would automatically scale the date axis? If there are a few datapoints hours apart then the chart would draw each datapoint. If there are thousands that span a year, it would draw month grid. If there are gaps - it would interpolate.
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Feb 29, 2012
We have the WebApplication portal. We are generating the stats survey, which needs to displayed on graph. We have started using HighCharts. As a requirement analysis, I would like to know, what are the other alternative for Charting and Graphing. Can you advise/discuss, which is more efficient,effective way of charting? What are the pros and cons for each platform? Any more other alternatives ?
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Dec 10, 2009
I'm using Eclipse and I'm wondering what the best Eclipse/Java/Flexbuilder code review tool is. If it matters we're using SVN as our SCM. Here are the following I've come across: Jupiter - seems like it's been around for awhile it looks like there is only a single developer on the project and the documentation mentions rather old versions of Eclipse IBM's Collaborative Code Review plugin for eclipse - seems like its a proprietary code review tool so not sure it will be supported in the future (or have the ability for a community to assist in development). Eclipse COLA real-time shared editing - Not really a code review tool but more a way to view/edit files peer-to-peer style allowing code review like collaboration. Check out this video demonstration of COLA.
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Aug 8, 2011
I am looking for a) the easiest to use free chart library and b) a chart library with a lot of features for Flex. I am looking for basic line and bar graphs. What are the options available? Library size may be an issue for the application I am trying to write.
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Oct 26, 2009
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Oct 22, 2011
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Apr 15, 2012
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Mar 21, 2011
Multiple axis creation via MXML works fine:
http:[url]...
But when I'm trying dynamically create horizontal and vertical axis then I'm getting extra axes. I believe this is Adobe bug. How I can fix this behavior?
<?xml version="1.0" encoding="utf-8"?>
<s:Application
minHeight="600"[code].....
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Sep 23, 2011
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Oct 21, 2010
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Jan 14, 2010
My PieChart has a dataTipFunction property
My PieSeries has a labelFunction property
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Mar 23, 2012
name some API for charting in flex except AmChart.I want a good API as i am facing too much problem with AmChart API.
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Mar 26, 2010
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Feb 13, 2012
DataTips in flex charting are a poorly documented and little-understood feature.There are three parts, the DataTip (by default a box with text inside), the DataTipTarget (default bulls-eye circle over the series' point), and the Callout (the line from dataTipTarget to DataTip box).How are these three elements created/drawn and how can they be customized?
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Mar 28, 2010
Do you have any recommendation for a free 3D charting library in Flex. To be more precise, I only need to draw surface (for now). Basically, I just need a chart that displays three axes (one should be timeline, and two should be linear axises) and the surface.
From what I have seen so far, two most popular free Flesh 3D libraries are Papervision3D and Away3D. Also, I've found one IBM library - ILOG Elixir that looks really nice, but it's proprietary (although, I haven't seen any surface examples for Elixir neither).
From what I have seen, Papervision3D and Away3D should do much more then 3D charting, but I haven't seen any examples on how to draw surfaces in any of them (except this line chart in 3D: [URL]..So, if anyone has a link to a documentation or some examples that would be great. Also, I'm interested to hear your opinion and recommendations on this topic.
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Apr 15, 2011
I want to emulate the datatip feature on google finance here URL...whereas the datatip does not appear over the chart when you hover over, but instead is anchored in the top right header of the chart. How do I go about doing this? Thx in advance!
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Aug 29, 2011
I am trying to create some charts in Flex/FlashBuilder 4.5The issue I have it that the information I wish to display is the number of events within an area. I am using HTTP service to access a rails controller which is returning an XML list of the events.I need to figure out how to chart the number of events, eg number of records returned. There is no numeric value within chart, as there would be if I was charting sales or prices for example.
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Jan 13, 2012
I'm relatively new to flex, and I'm developing a web app that needs to plot relatively large data sets (e.g. 20,000 pts divided among 8 separate curves) in a line chart. Flex built-in chart components render too slowly.Would javascript line chart render faster than Flex line chart? If so, is it possible to use a javascript-based charting solution instead of flex component, within the Flex application? Or, is this an impractical (or crazy) idea? Anyone doing this out there? How simple or complex is it?I'm hoping it's relatively easy to integrate a pre-developed solution like EST JS, HighCharts, etc. to simplify development.
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Jul 30, 2009
I have multiple line charts in Flex Charting (3.x). The charts (and number of charts) are being dynamically generated, and are either of "type A" or "type B." The type of data on the Y-axis is different for type A then it is for type B. The x-axis is time.
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Feb 3, 2010
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May 19, 2009
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I'm trying to plot data from several entities over time. Each entity will have its own line, so there will be several lines. Each line will be connected, but it's important that dots are drawn to represent data.
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[Code]...
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Jul 3, 2011
I have 31 XML files, each containing words (A.xml for all the words beginning with the letter "A" and so on).The XML formatting is as follows:
Code:
<words><word>aaa</word>
<word>aab</word>
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Jun 25, 2010
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public function savePhoto(uName:String, ba:ByteArray, descr:String):void{
var obj:Object = {};
obj.arr = ba;
[code]....
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Jul 16, 2010
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Oct 27, 2010
I could play MIDI file where "filename" is a String type with "asd.mid" value. However, I tried to sent AIR's nativeprocess command to Java, it shown "could not read" error.
[Code]...
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Sep 15, 2011
Meaning specifically, what steps do you go through when creating a new application using these tools?
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Feb 19, 2010
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