I've created a FlowChart, and then ran:

m_chart.printPreview();


What I got is this:

Exception in thread "AWT-EventQueue-0" java.lang.IllegalArgumentException: input == null!
at javax.imageio.ImageIO.read(Unknown Source)
at com.mindfusion.jdiagram.PrintPreview.createImageIcon(Unknown Source)
at com.mindfusion.jdiagram.PrintPreview.InitializeComponent(Unknown Source)
at com.mindfusion.jdiagram.PrintPreview.<init>(Unknown Source)
at com.mindfusion.jdiagram.FlowChart.printPreview(Unknown Source)
at MainFrame.printPreview(MainFrame.java:132)

May be a resource is missing?
Thanks,
Yoav

Yes, it was the same problem -

_flowChart.getClass().getResourceAsStream(path)

instead of

FlowChart.class.getResourceAsStream(path)

Now this should work better -
http://www.mindfusion.org/_temp/JDiagram.jar

We have also made some changes to SpringLayout. Could you check if it will work better on your side. We used the following settings for testing and did not get any overlapping nodes in 30-40 tries:

SpringLayout spring = new SpringLayout();
spring.setIterations(100);
spring.setMinimizeCrossings(true);
spring.setNodeDistance(Diagram.BOX_WIDTH);
spring.arrange(fc);

Stoyan

Hi,

Try running more iterations of the layout. Each iteration step moves the nodes at a very short distance, e.g. a millimeter, so it will take more of them to disentangle larger graphs.

Stoyan

Ok, probably you should try the LayeredLayout - it is better for diagrams with a large number of links.