Lattitude and longitude are lines projected onto a sphere (the earth), so therefore curve and won't translate to a 2D map, which could have any variety of projection type. So just using those values won't give you X and Y on any map, unless your map is not something as large as the U.S. A smaller map, where the projection lines do not curve, would probably be OK. But for a U.S. map, no. You'll need to figure out your own coordinates for cities or whatever for that, or find something third party that can help with that. Is something like the YahooMap API for Flash a possibility?
Jason Merrill Instructional Technology Architect Bank of America Global Learning Join the Bank of America Flash Platform Community and visit our Instructional Technology Design Blog (Note: these resources are only available for Bank of America associates) -----Original Message----- From: flashcoders-boun...@chattyfig.figleaf.com [mailto:flashcoders-boun...@chattyfig.figleaf.com] On Behalf Of Lehr, Theodore Sent: Friday, September 10, 2010 11:37 AM To: Flash Coders List Subject: RE: [Flashcoders] Math help Hhmmm I do not think this is working - here is my issue - maybe someone has an idea. I have a mc that is basically a map of the US. I am getting the long and lat of a location.... I want to be able to put a point on the map based on that long and lat - my thought was that I could find an equivalent x,y coord based on the long and lat but it does not seem to be translating well... any thoughts? ________________________________________ From: flashcoders-boun...@chattyfig.figleaf.com [flashcoders-boun...@chattyfig.figleaf.com] On Behalf Of Merrill, Jason [jason.merr...@bankofamerica.com] Sent: Friday, September 10, 2010 7:58 AM To: Flash Coders List Subject: RE: [Flashcoders] Math help I assume you mean those numbers represent X values, and I assume by "equivalent" you mean the same percentage along the line (since those lines are of two different lengths). Then all you have to do is some simple proportional math. Get the length of each line by subtracting the start point from the end point (i.e. for line b, 124.4 - 66.92). Divide the point you have on B (80.6) from the length of B to get the percentage that point is along line B. Use that number as a proportion to figure the same point on line A. To do that, multiply that proportion number you got from line B by the length of line A. That will give you equivalent proportion on line A. Add that proportion number to the start point of line A (in this case, the start point of A is 0, so doesn't matter) to get the actual point on line A. Jason Merrill Instructional Technology Architect Bank of America Global Learning Join the Bank of America Flash Platform Community and visit our Instructional Technology Design Blog (Note: these resources are only available for Bank of America associates) -----Original Message----- From: flashcoders-boun...@chattyfig.figleaf.com [mailto:flashcoders-boun...@chattyfig.figleaf.com] On Behalf Of Lehr, Theodore Sent: Friday, September 10, 2010 7:24 AM To: Flash Coders List Subject: [Flashcoders] Math help So if I have to line segments: A: 0-799 B: 66.92 - 124.40 Given a point on B (80.6 for example) how can I find the equivalent point on A? _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders _______________________________________________ Flashcoders mailing list Flashcoders@chattyfig.figleaf.com http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
