This example demonstrates the use of hotspot images as logo and cover for the tripod. Tilt down to see the image, which can be clicked to link to any URL. Notice that the image stays fixed in the viewer.
Code:

<applet name="ptviewer" archive=ptviewer.jar  code=ptviewer.class width=320 height=200>
<param name=file value="Monument.jpg">
<param name=hotspot0   value=" X0 Y100 i'cap1.gif' q u'mailto:der@fh-furtwangen.de' ">

</applet>