To test the smooth zoom feature simply click the image to zoom in, or, if already zoomed-in, double-click to zoom out. The feature 'eases' the otherwise abrupt start and end of the zoom process. Toggle the effect off or back on by alt-clicking the Zoom Out button.

In addition, because different site designers prefer different levels of easing, the smooth zoom feature can be adjusted using the HTML parameter zSmoothZoomEasing ('1'=direct/off, '2'=fluid (default), '3'=gentle, '4'=relaxed). The smooth zoom feature as a whole can be set on or off with the HTML parameter zSmoothZoom (0=off, 1=on default). See the Zoomify Parameter List in the Developer Resources folder for details.

Web developers can use the Zoomify Image Viewer JavaScript functions setSmoothZoom (on/off), toggleSmoothZoom, or setSmoothZoomEasing to control the effect. See the Zoomify Function List in the Developer Resources folder for details.