Use exif.js to extract full exif tags #8
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…adingDegrees property
… on IE, even with that fixed, for reasons currently unknown.
… IE10 though will not work in older IE at all
…t done originally, maybe I'll find out soon ;-)
…ications might not want to use it, leave it up to the application
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This change involves the use of the exif.js library (https://github.com/jseidelin/exif-js) to pull out full EXIF data for the photosphere. The rationale for this is that it might be desirable to obtain the latitude and longitude where the photosphere is taken, for example for displaying the photospheres on the map. I also store the "PoseHeadingDegrees" GPano property in the exif object; this has applications including the possibility of linking photospheres to create virtual tours in which the user can navigate from one photosphere to the next, with direction arrows superimposed on the photosphere.
EDIT: just realised this breaks in IE. The xmlHTTP.overrideMimeType() is not supported in IE. I've modified my own branch to only use this if supported, but then IE breaks somewhere else, in the final callback() call, with some random system error. So it's best you don't pull this change in just yet.