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I’m trying to make a sort of map with data that overlays based on what a user selects. Currently, I just have the image on the same page shrunken, but it’s rather hard to read. I was thinking I could have the entire image in an iframe and just have the user be able to scroll around the map, but Im not sure if I can use the javascript between the two pages. Would it be possible or do I have to figure out another way to get a full size image?
If the two pages are on the same domain, then you will be able to transfer information between them. If not, there are still ways to transfer JSON data between domains (using JSONP) but it will be much harder.