Quick links to procedures on this page:
Working with QuickTime VR movies
Corel PHOTO-PAINT lets you create QuickTime VR movies. QuickTime VR movies are virtual, three-dimensional environments. You can explore them by looking up and down, turning around, and zooming.
QuickTime VR movies contain viewing points, called nodes. There are two types of QuickTime VR nodes: panorama and object. Panorama nodes let you view 360 degrees of an image by spinning at a single, central viewing point. Wide images are best suited for panoramas. You can also create a panorama by joining, or stitching, a series of images together seamlessly. For more information on joining images, see “Stitching images together.”
A QuickTime VR object node is the reverse of a panorama node: an object is fixed, but your view of it changes as you move around it. QuickTime VR object nodes require a number of images of the same object from different angles and positions. Object images are not stitched together.
QuickTime VR scenes are a collection of panoramas or object nodes that are linked together by hot spots.
Opening QuickTime VR movies
You can preview, open and edit QuickTime VR movies in Corel PHOTO-PAINT. You can open only one node at a time.
Saving and customizing QuickTime VR movies
You can save a single-frame 24-bit RGB movie as a QuickTime VR panorama node.
You can save a multiple-frame 24-bit RGB movie as a QuickTime VR object node and customize node settings. QuickTime VR objects are overlaid with an invisible grid. The number of rows, and the sequence of frames in the grid determine how a QuickTime VR object is displayed. Specifying the number of rows determines how many images are in each row. For example, if your movie contains nine frames, specifying three images per row creates three rows.
The order of the frames is also important because the rows are created chronologically. For example, a movie containing nine frames in three rows is ordered as follows: frames 1 to 3 in the top row; frames 4 to 6 in the middle row; frames 7 to 9 in the bottom row. Therefore, frames 1 to 3 show the object from an upward perspective, panning from left to right; frames 4 to 6 show it from a level perspective, panning from left to right; frames 7 to 9 show it from a downward perspective, panning from left to right. For information about how to change the order of movie frames, see “Modifying frame sequence and frame display time” on page 8.
Adding a node to a QuickTime VR movie
You can add nodes to a movie or overwrite existing ones.
You can lower the resolution of panorama nodes for quicker downloading. To do so, you must first resample the image. For information about resampling images, see “Changing image dimensions.”
Linking a QuickTime VR node
By saving and linking various nodes you create a virtual reality environment. An object can be turned into a hot spot that links it to another node or to an URL. To link nodes, you must save the current node to an existing QuickTime VR movie.
To open a QuickTime VR movie |  |
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If you want to open a particular node of a multiple-node movie, drag the Preview scroll bar to choose the scene that you want to open.
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You must have QuickTime Player 5.0 or higher installed on your computer to open a QuickTime VR movie.
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All hot spots are loaded in Corel PHOTO-PAINT as objects.
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To save a movie to the QuickTime VR format | |
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If you are saving an object node, specify the number of images you want in a row in the Number of images per row box. The number of frames must be evenly divisible by the number of rows.
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The width of the image in a movie must be a multiple of four pixels if you want to use object node settings.
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To save a QuickTime VR panorama node | |
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Click the VR World tab, and type values in the Default world width and Default world height boxes.
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You must have QuickTime Player 5.0 or higher installed on your computer to save a QuickTime VR movie.
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The width of the image in a panorama movie must be a multiple of four pixels. For best results use approximately 400 pixels wide by 300 pixels high.
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You must combine all objects with background before saving a file as a QuickTime VR panorama node.
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To save a QuickTime VR object node | |
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In the Object animation area, enable the Enable view animation check box to play the movie as soon as you load it in QuickTime.
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In the Control settings area, you can customize how an object node responds to input from a mouse or keyboard when it is viewed in a QuickTime Player by enabling any of the following check boxes:
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Enable zooming — lets you zoom in and out
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Reverse effect of horizontal control — causes vertical movements of the mouse to act as if they were horizontal
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Reverse effect of vertical control — causes horizontal movements of the mouse to act as if they were vertical
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Swap vertical and horizontal controls — lets you reverse both vertical and horizontal controls at the same time
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You must have QuickTime Player 5.0 or higher installed on your computer to save a QuickTime VR movie.
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To add a node to a QuickTime VR movie | |
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In the QuickTime VR export dialog box, type a name for the new node in the Node name box, and click New node.
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Full — creates a node with the original resolution of the image
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Preview — creates a node with a thumbnail preview size
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You must have QuickTime Player 5.0 or higher installed on your computer to save a QuickTime VR movie.
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To link QuickTime VR nodes | |
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URL — links the hot spot to the URL specified in the URL box
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You must have QuickTime Player 5.0 or higher installed on your computer to save a QuickTime VR movie.
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There must be an object in the node you are saving in order to link it to another node or URL using a hot spot. For information about creating objects, see “Creating objects.”
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