Animation

Instructions
Any first download :
Note that this animation does not run in IE6
A window opens asking you to installer a plug-in. Click OK to see any of the animations.
If nothing is displayed, click the “Initialise” button.
To zoom, use your mouse wheel.
To pivot or move the structure, click the corresponding button then use the left mouse button.
To change an anchorage point when pivoting, double-click with the left button at the location of the new point wanted.