QTVR
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Hot Spots
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Like panoramas, single objects with hot spots are normally only used on a web page to provide links to other web sites, or to other QTVR media on separate web pages. Another use for single objects with hot spots (as with single panoramas) is within a multimedia authoring environment where the hot spots can be used to initiate actions such as play sounds, show a movie, or reveal hidden text.
Thus, creating hot spots on an object also does not involve a specific target panorama or object, but rather just an undefined hot spot area that provides the cursor change. Instead of defining the link within the object, the fact that a user clicks on the hot spot is interpreted by either the multimedia authoring tool or the browser plug-in to execute the link action.
To create hot spots in a QTVR object, you'll use the QTVR Authoring Studio's Scene Maker tool. As with a panorama, you'll use a special node called a "Blob" node to provide an undefined destination for the link.
Blob link node
| As with panoramas, when you are creating an object with hot spots for use on the web you can also use the URL node in the Scene Maker tool. However, this is not normally recommended, as the URL target of the hot spot becomes a part of the file's data track. This implies that if the web page needs to change, the panorama itself must be edited rather than simply updating the web page's HTML. |
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