chart

Timeline graph - how to handle "time gaps"?

I've been working with Google chart API and annotated timeline. Drawing graphs is fine. I have no problem. However, I need to draw a timeline graph for share prices. And as you may know, share prices are meaningful only between certain times (e.g. from 10AM to 4PM, when the market opens and closes). How do I change the Google timeline ...

Drop duplicated axis label in Flex Chart

Hi, All. I use LineChart in Flex with horizontal category axis and I need drop duplicated category label on the chart. The data I use are like that: {Product: "C1", Store: "S1", Profit: "1500}, {Product: "C2", Store: "S1", Profit: "1000}, {Product: "C3", Store: "S2", Profit: "800}, {Product: "C4", Store: "S2", Profit: "1200}, {Product:...

Chart library in cmyk color space output

i am looking for a java based library...or a C++ based library which would support, which will give output in CMYK color space image formats Please help if you know any such library, after much googling i haven't been able to find one. :( ...

Google Vizualization with CSV data

Hi, I have a URL that returns data in CSV format. I would like to use Google Vizualization to create an interactive chart of the data. I've looked at several examples on Google Chart and Vizualization web page but I'm a bit confused as I'm not familiar with JavaScript or web programming in general. Question: Do I have to use JavaScri...

Change legend text style

Hi there, I only wanted to know if it's possible to change the style of the font (font-size, color) of the legend text in the Google Chart API. Thanks for your answers! Greetings Sebastian ...

3D charting in Flex (surface)

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 Pa...

javascript chart library or php chart library

Can anyone recommend a javascript or php chart library that allow me to scroll and zoom in/zoom out the chart like the google stock chart? Thanks ...

Way for Excel VBA to use shadowed chart event handler

I have a embedded chart and I want to modify the behavior on the mouseDown event but only when it occurs on a dataSeries (xlSeries). But for all other elements (axis, plot area, gridline, etc), I want it to fall back on the default mouseDown behavior. Is this possible? Thanks. ...

Flex Column Chart customization

Hi all, When I customized the ColumnChart in Flex by overrided updateDisplayList function, colors in legend no longer display. As you will see in the below picture: http://i41.tinypic.com/mim35d.png Does I missed anything? Thanks. ...

Problem with Flex DataVisualization Charting components Rendering Labels on Build Server

Hi All, I'm having a problem with labels disappearing on Flex's datavisualization.swc charts that are built on our build server via ANT and the Flex 3.3 SDK. I've made sure that our license is applied properly on the build server (hence no water marks), and I've made sure the exact same datavisualization.swc was copied from my dev machi...

Why is Google Charts not showing the right data for me? Are the axis messed up?

http://chart.apis.google.com/chart?cht=lc&chs=600x400&chd=t:171,811,629,507,460,390,434,379,329,312,368,329,329,329,352,330,299,323,340,325,329,1895,1047,736,617,684,620,515 If you go there on your browser, you'll notice that you see a graph. However, the axis are messed up! And it seems like I can't see the ups and downs of my...

ASP.NET Chart control with empty data

Hi everyone, I'm using an ASP.NET Chart control, and it takes the data from a database. Sometimes, this data is empty, and I can't find any way to show some text or similar instead of a blank screen. There is no attribute that allows me to do that. Besides, I think that because of the empty data, I get an exception every time I try to...

Silverlight 3.0 Custom Cursor in Chart

Hello All, I'm probably overlooking something that will be obvious when I see the solution, but for now... I am attempting to use a custom cursor inside the chart area of a Toolkit chart. I have created a ControlTemplate for the chart, and a grid to contain the cursors. I show/hide the cursors, and attempt to move the containing Grid...

How to display two series via Google Chart API?

I can't get the two series of numbers to scale together. Here is sample code that you can paste into... http://code.google.com/intl/en/apis/chart/docs/chart_playground.html cht=lxy chs=400x300 chd=t:20,30,40|1,4,2|24,34,44|3,7,1 chds=20,40,1,4,24,44,1,7 chxr=0,20,54,2|1,0,7,1 chxt=x,y chxs=0,ff0000,12,0,lt 1,0000ff,10,1,lt chco=FF...

Windows Azure: asp.net <appsetting> for ChatHttpHandler not found

I have a problem in setting the chartHttpHandler in web.config for windows azure Initially I added a chartHttpHandler on my web.config file <remove name="ChartImageHandler"/> <add name="ChartImageHandler" preCondition="integratedMode" verb="GET,HEAD" path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, ...

Open Flash Chart 2, Pie chart set values problem, php

Does anyone know how to set the values for a pie chart in the Open Flash Chart 2?? i have like a percentage for a visitors sources, and i don't know how to display them , because they changed a lot of stuff in the v2 http://teethgrinder.co.uk/open-flash-chart-2/tutorial-4.php what i have now in the data generating is this (from the ex...

AreaDataPoint in SL3 Chart is Fixed Size

In Silverlight 3, it appears that the AreaDataPoint template ignores any size set in its ControlTemplate. <ControlTemplate TargetType="chartingTK:AreaDataPoint"> <Grid x:Name="Root" Opacity="1"> <!-- Width and Height are ignored --> <Ellipse Width="75" Height="25" StrokeThickness="{TemplateBinding Borde...

How to split records per hour in order to display them as a chart?

Hi, I have an SQL table like this : sales(product,timestamp) I want to display a chart using Open Flash Chart but i don't know how to get the total sales per hour within the last 12 hours. ( the timestamp column is the sale date ) By example i will end up with an array like this : array(12,5,8,6,10,35,7,23,4,5,2,16) every number is the ...

how to build flex stack bar chart from objects array?

I have a dynamic ArrayCollection that will contain a unknown number of objects of type MyObj: class MyObj { type:String value:long } where each MyObj object has a different value of "type". how can I build a single stacked bar from this array where each section of the stacked bar represents an object of MyObj (represents a "type")...

WPF TreeView similar to Organizational chart with connecting lines

I have modified my treeview to look like an Org chart using the example shown in the Code Project website (Author Josh Smith). I need connecting lines in the treeview to make it look exact to org chart. I found references pointing to the below site http://wpfblog.info/2008/05/26/turning-a-treeview-into-an-org-chart-with-connectors/ But...