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Pan Zoom

Pan and Zoom, a.k.a the "Ken Burns effect", is an animated style where slideshow content slowly moves and upscales/downscales. The SlideShowPro player's pan and zoom implementation comes with a number of customizable parameters, plus a few usability limitations. We'll discuss them all here.

Parameters

Pan Zoom turns the effect on and off for all albums in your slideshow.

Pan Zoom Direction controls whether content is upscaled, downscaled, or both when animating. Options include "In" (to scale up), "Out" (to scale down), "In and Out", and "Random" (the default) which picks either "In" or "Out".

Pan Zoom Finish controls whether the pan zoom effect completes before the next piece of slideshow content is requested. Keeping this in the default "Off" setting will allow content to animate in a more continual motion.

Pan Zoom Scale controls the minimum and maximum scale that is allowed when upscaling and/or downscaling content. By default, it is set to 1 / 1.2. When the degree of scale is calculated by the SlideShowPro player, it picks two random values between the minimum and maximum Scale value. This allows each pan and zoom effect to appear slightly different (some with pronounced zoom, others barely noticeable) for visual variety.

Loading SlideShowPro Director content

If you are using SlideShowPro Director 1.3.6 or higher to publish slideshow content, you have the added benefit of focal points. When assigned, the SlideShowPro player will maintain that area as part of the pan zoom effect. This way the subject doesn't move out of the frame (and an empty area is zoomed in, for example). SlideShowPro Director will also publish images that factor in the maximum Scale parameter value described above (for optimum image quality).

Limitations

While pan and zoom will work with any Content Scale setting, it is recommended that you use either "Crop to Fit" or "Crop to Fit All." This way your slideshow content fills the Content Area for a more natural appearance.

Pan and zoom also works with any Transitions Appearance setting, except for "Push". The "Push" transition completely conflicts with pan and zoom and should not be used.

Another setting that may cause issues is the Smoothing parameter. This parameter is set to "On" by default, and should always be used with pan and zoom so your images look better when scaled. This setting can however cause a security sandbox problem if you are loading slideshow content from a domain that is different than the one where your SWF is embedded. You can avoid this security issue by creating a cross domain policy file at the site where content is being requested.

Page last modified by tdominey on August 16, 2010, at 02:08 PM
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