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User zoom parameters

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Posted on Monday, August 04, 2003 - 12:10 pm:   Edit PostDelete Post

Is there a way to define how much the user can zoom in on a QTVR. I'd like to prevent them from zooming too much and seeing ugly pixels.

Even more important, is ther a way to define the initial zoom, when the QTVR is loaded ?

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John Strait
Posted on Monday, August 04, 2003 - 7:29 pm:   Edit PostDelete Post

I am not aware of any method of limiting the zoom scale. This would, of course, be a function of the QuickTime viewer.

You can set the initial zoom, pan and tilt by using the FOV, PAN and TILT parameters to the QuickTime viewer. You can set these parameters in your web page by editing the HTML code generated by The Panorama Factory.

You set the zoom by setting the vertical field of view in degrees. A larger field of view corresponds to a smaller zoom setting.

Each of these parameters must be added to the HTML code in two places. For example, to set the initial field of view to 40 degrees:

1. Add the line:
<param name="FOV" value="40.0">

after the line
<param name="controller" value="true">

2. Add the line:

after the line
autoplay="false" controller="true" bgcolor="ffffff"

The first version of the parameter is used by Internet Explorer, and the second version is used by Netscape Navigator.

You can also control the initial viewpoint by setting the PAN and TILT parameters in a similar way.

For more information about parameters to the QuickTime viewer, refer to developer.apple.com/documentation/QuickTime/QT4WebPage/samplechap/special-3.html.
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Unregistered guest
Posted on Saturday, August 21, 2004 - 7:34 pm:   Edit PostDelete Post

Id like to be able to do this too...

I mean you can in ptviewer!

Id also like to be able to define any kind of animation like in ptviewer. Ive heard this isnt possible with qt pro but you have to use livestage pro..

Is that right?

It seems a bit much having to pay $500 just to perform a few functions?

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