Search found 24 matches

by demonhead
Wed Jan 24, 2007 2:09 pm
Forum: JFreeChart
Topic: How do i control the size of the bubbles in a bubble chart
Replies: 2
Views: 5984

How do i control the size of the bubbles in a bubble chart

Hi All, Does anyone have any idea about how to control the size of the largest bubble in a JFree Bubble Chart. Sample this dataset -------------------------------- Month Savings Size 0.5 12000 1 3.5 10000 1 The default scale type for a BubbleChart is SCALE_ON_RANGE_AXIS, because of which the bubble ...
by demonhead
Tue Dec 26, 2006 6:36 am
Forum: JFreeChart
Topic: label setting and show ?
Replies: 1
Views: 2909

Re: label setting and show ?

hello: i am new to jfree chart and i use version of 1.0.3 Now i can draw bar chart in 3D. But the label of some bars disappear when the string of the label is wider than the width of the bar. How can i always show the label of each bar, no matter how long the string of the label is. My code is as f...
by demonhead
Sun Dec 24, 2006 8:31 pm
Forum: JFreeChart
Topic: Problem with servlet utilities
Replies: 7
Views: 9630

Code: Select all

org.jfree.chart.servlet.ServletUtilities.registerChartForDeletion(ServletUtilities.java:310) 
Thats where the problem lies,have alook at the source code you shoudl be able to debug the problem
by demonhead
Sun Dec 24, 2006 8:29 pm
Forum: JFreeChart
Topic: questions about BarChart
Replies: 2
Views: 4169

Re: questions about BarChart

Hi, i have two questions: How can i reduce the space between categories in a BarChart witch DefaultCategoryDataset? http://www.image-dream.com/membre/up/anonym/9455ebe9c192781431b63e19106a78c3.jpg How can i get the row number and the category number ? Thanks categoryPlot.setMinimumbarwidth just put...
by demonhead
Sun Dec 24, 2006 8:23 pm
Forum: JFreeChart
Topic: Values on the X axis appear as three dots
Replies: 1
Views: 3294

Re: Values on the X axis appear as three dots

I use the regular line chart in a web application.The x-Axis display years and the y-Axis display a number of accidents that happened in that year. When the period of the chart is large for example (20 years), the x-Axis dont display years number instead it display three dots,because there is no sp...
by demonhead
Fri Dec 22, 2006 1:10 pm
Forum: JFreeChart
Topic: Stacked 100% bar chart
Replies: 2
Views: 4188

There is a setRenderAsPercentages(boolean) method in the StackedBarRenderer class, specifically for this purpose. hi David the solution worked for a normal stacked bar but didnt work for a stacked3d. I am working with jfreechart1.0.1 and dont want to change my verison cause i have extended a lot ma...
by demonhead
Fri Dec 22, 2006 12:57 pm
Forum: JFreeChart
Topic: How to add two lines with different renderers in JFreeChart?
Replies: 2
Views: 4915

Re: How to add two lines with different renderers in JFreeCh

Hi , Can u suggest me how to go about the problem? I want to plot two different lines with different renderer types into single JFree chart.One line i want to plot as without default shapes.and the other line, I want to plot as with default shapes. Pls. make a note that is I need to get x-axis leng...
by demonhead
Fri Dec 22, 2006 10:21 am
Forum: JFreeChart
Topic: Stacked 100% bar chart
Replies: 2
Views: 4188

Stacked 100% bar chart

i was wondering if anybody could has tried out rendering a 100% stacked bar chart, so you the stack adds upto exactly 100%.
If anybody has any bright ideas about these either reply or pm me please
by demonhead
Fri Dec 22, 2006 10:17 am
Forum: JFreeChart
Topic: How can I refresh the Category dataset
Replies: 2
Views: 4824

Re: How can I refresh the Category dataset

Hi Everyone. I'm trying to develope a chart that will take the value for the database and display. some data is inserted in the database at some interval, so the volume of the database is increasing. I want to show the new value in the chart which is continously changing. how can I refresh or how t...
by demonhead
Thu Dec 07, 2006 6:52 am
Forum: JFreeChart
Topic: Threshold in 3d goes for a toss
Replies: 1
Views: 2464

Threshold in 3d goes for a toss

I have a dual axis chart where one of the renderers is a bar3d and the other one is a line and when a ValueMarker is added to the categoryplot object what i get is a not a dashed line but rather a 3d continuous line . the basic stroke used in the ValueMarker is as follows new BasicStroke(1f,BasicStr...
by demonhead
Wed Oct 25, 2006 7:32 am
Forum: JFreeChart
Topic: Make Labels display diagonally
Replies: 1
Views: 3595

Re: Make Labels display diagonally

nimbus_cloud wrote:My labels are being displayed as "...". I was thinking on how I could display them diagonally so they will perfectly fit. Please help me guys! Thanks!
Have a look at the following http://www.jfree.org/phpBB2/viewtopic.php?t=19100
by demonhead
Fri Oct 20, 2006 9:28 am
Forum: JFreeChart
Topic: addSubCategory method and category values
Replies: 1
Views: 3541

Re: addSubCategory method and category values

Hi I want to build a bar chart with subcategories but i can't map the category values to the subcategories because, in my context, each category have three subcategories and nine values. Any help ? if you have bought the Developer guide u can have a look at keytogroupmap class which will solve your...
by demonhead
Fri Oct 20, 2006 9:19 am
Forum: JFreeChart
Topic: Asynchrounous updation and multiple Image maps
Replies: 3
Views: 5589

Re: Asynchrounous updation and multiple Image maps

Hi, I am creating web application which going to display multiple graphs in the UI page. I designed UI as a JSP page. For showing multiple graphs in the page I am creating graphs and storing in to the webapplication temp directory. I want to do it in a betterway instead of storing the images on the...
by demonhead
Fri Oct 20, 2006 9:13 am
Forum: JFreeChart
Topic: Turn off antialias for data items only?
Replies: 3
Views: 6306

Re: Turn off antialias for data items only?

I have very thin data items that look bad (fuzzy) with antialiasing on. They look fine (1 pixel wide) with antialiasing off, but then all the axis text looks bad (since it is not antialias'ed). How can I selectively turn off antialiasing for the data items only? Thanks, nathan This outta help: Rend...
by demonhead
Fri Oct 13, 2006 1:31 pm
Forum: JFreeChart
Topic: Error during Serialization......Pls help
Replies: 0
Views: 2321

Error during Serialization......Pls help

I have made my own category dataset which implements Serializable, CategoryDataset and extends AbstractDataset. java.lang.ClassCastException: cannot assign instance of org.jfree.data.general.DatasetGroup to field org.jfree.data.general.AbstractDataset.group of type org.jfree.data.general.DatasetGrou...