*From the documentation Norm sent me it seems like GCAT needs an additional software, Thinkmap, to fuction. I emailed them about obtaining a limited license and Joe will be taking care of the rest of the process.
*It seems like ArcMap can support animation from this tutorial I found. From the introduction:
Animations can be created in ArcMap™, ArcScene™ or ArcGlobe™. With an animation, you can visualize changes to the properties of objects (such as layers, the camera, or the map extent). By altering layer properties, such as the time stamp that is displayed or layer visibility and transparency, you can create interesting animations that can be used to analyze data through time or to view information in various layers. By altering the extent (ArcMap) or the camera position (ArcScene or ArcGlobe), you can create an animation that moves around a map, scene or globe. Examples of applications that would benefit from being viewed as an animation include:
• The occurrence of events through time, such as hurricanes or precipitation, the spread of a disease, or population change
• The navigation of an object (such as a car) through a landscape (example here)
• A visualization of information in multiple layers by applying transparency
The second bullet seems close to what we're looking for, although I'm not sure what the effects would be if we had multiple objects (possible lag?). Also, judging from the videos, it seems that ArcMap is more suited for animating a spread rather than single points of data. If GCAT doesn't work, this may be a viable option.
More references:
Animation in ArcMap tutorial index
Animating data through time
Sample animation videos
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