Rogue Wave JViews Diagrammer Sample: Performance with Many Gauges

Description

This sample illustrates how to load and animate a dashboard that contains many symbols.

How to Use the Sample

• Once the demo is started, watch the values change every second.

How to Run the Sample as an Application

This sample can also be run as an application. The installation directory contains an executable JAR file, many-gauges.jar, that allows you to execute the sample with a double click from a file browser. Note that if you are using Internet Explorer, you can open the installation directory and execute the JAR file from the browser. This technique may not work in other Web browsers.

Alternatively, you can run the sample application from the command line. First check that the Ant utility is properly configured. If not, see the instructions on how to configure Ant for Rogue Wave JViews.

Then, go to the installation directory of the sample and type:

ant run

Topics Covered

• Creating a dashboard diagram
• Reading a dashboard file
• Retrieving dashboard objects and updating their properties

Detailed Description

This sample shows a dashboard containing 360 nice gauges with fast animation. The dashboard has been designed using the Dashboard Editor. It uses a custom palette containing three different types of light gauges. The animation process browses gauges in the dashboard and performs random value changes in an animation thread.

Installation Directory

The Performance with Many Gauges sample is installed here.

Classes Involved

• ilog.views.dashboard.IlvDashboardDiagram

  The class used to store and manipulate symbols and graphic objects in a dashboard context.

Source Files

• ManyGauges

  The demo entry point.