charts

Graphing or charting in windows mobile 6

Do you know of a [free] library for graphing or charting, similar to Zedgraph, but that works for developing on windows mobile 6? ...

How do I programmatically change the line colour for a series in a chart in Excel 2007

I have a chart with a series that denotes a large set (1000's) of discrete measurements. Some of these are bad measurements and I want to colour the line for the series based on another set of data that describes how accurate the measurements are. Bad measurements should be red and good measurements green and the in between on some kind ...

Google Charts data encoding

Hello I have recently started looking into Google Charts API for possible use within the product I'm working on. When constructing the URL for a given chart, the data points can be specified in three different formats, unencoded, using simple encoding and using extended encoding (http://code.google.com/apis/chart/formats.html). However,...

Which run-time charting tools produce the best time axes?

I need to generate and embed a time series chart into an ASP.NET application. Most run-time charting tools generate poor time axes, especially if the time scale is dynamic ie the user may choose to view data over a time scale of days, weeks, months or years. I'm looking for recommended tools that can be integrated into my app. Two tha...

Geographical Data Visualization in a Web Application

I've got a request to implement a visualization service for geographical related data. I have a list of Italian ZIP Codes (they are called CAP in Italian). I've already found a table which maps these ZIP codes to geographical coordinates (lat/long). So, the data I have to visualize as map is structured the following way: ZIPcode Latit...

.NET 3.5 chart controls exception: Error executing child request for ChartImg.axd

Anyone getting this error when using the new free chart controls MS bought from Dundas? "Error executing child request for ChartImg.axd" On the MSDN forum they suggested it was my web.config: MSDN forum post So far that hasn't fixed the problem though. Any other ideas? ...

How can I display information when I mouseover a chart line in Flex?

I'm building a simple Flex applicaton where I want to show a line chart, then display some information in a little popup box when user mouses over a line. ...

Rendering eye-candy bar charts with PHP: tools / best practices

We are using Google Charts for render the chart images, but 500 requests/day became not enough. What PHP classes/frameworks are worth looking at? ...

How do you plot bar charts in gnuplot?

How do you plot bar charts in gnuplot with text labels? (Sorry - I'm answering my own question here - as it suggest in the first entry of the faq) ...

JSP: Creating Graph

I need to create some graphical representations of the usage of electricity by month. How do I go with it? What would be the simplest way? Languages: Java, JSP Thank you very much. ...

How Create Charts with the Google Chart API in asp.net?

How to Creat Charts with the Google Chart API in asp.net? ...

PieChart label with a single slice

I'm working with the PieChart and PieSeries components in Flex, and have ran into an issue. When the labelPosition property of a PieSeries is set to 'inside' and there is only one slice in the pie, the label doesn't get displayed. Looking at the docs, I'm guessing its some quirk related to when inside labels are removed. The doc reads a...

Algorithm for "nice" grid line intervals on a graph

I need a reasonably smart algorithm to come up with "nice" grid lines for a graph (chart). For example, assume a bar chart with values of 10, 30, 72 and 60. You know: Min value: 10 Max value: 72 Range: 62 The first question is: what do you start from? In this case, 0 would be the intuitive value but this won't hold up on other data ...

Newest Microsoft Chart and ASP.NET MVC

Recently ASP.NET developer launched its newest control, Charting control. (Microsoft Chart). Does this compatible with ASP.NET MVC, or its only compatible with ASP.NET WebForm ? ...

Display stocks data from Google Finance or Yahoo! Finance

How can I link up the Google Finance API to display stock data in Flash? Any Flash + JavaScript mashup code would be great! Even code that can just access Google Finance's data would be great for starters! Better still, code that can access Google Finance's data and convert it into a CSV or suitable format for these chart componen...

Graphs/Charts in PHP

I'm trying to find a good Graph drawing library for my PHP application. Currently I am limited to viewing the data in a table which while specific, is a bit ugly. I require a non-flash system if possible. ...

how can i refresh points for any series

i adding Series at any chart at run time but i want to change this points by change for example (patients in my clinic) How can I Refresh Points at any Series by Change Patient?? ...

How do I make a Flex Chart refresh whenever data is added to its dataProvider?

Now I must be missing something here, as this seems a very basic issue that would be addressed in any "Getting started with Flex charting" tutorial. However, all that I could find was hints that the chart should update automatically whenever the dataProvider changes. Mind you, hints. This is my markup: <?xml version="1.0" encoding="utf...

Java Chart library for OLAP

Dear All, Is there any java chart library that supports OLAP data, like ChartFX Olap or Dundas Chart ? Thanks ...

Excel VBA: Is there any way to format chart axes through VBA only?

Hi, I have to make column charts in Excel using VBA only (no user input). I wanted to format the labels of the x-axis so that the alignment for every label becomes -270 degrees. (This can be done manually by changing the "Custom angle" property in the "Alignment" tab of the "Format Axis" Dialog.) I have tried recording a macro for this ...