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Subject: Circle and Polygon
The "Circle" element defines a substructure of "longitude, latitude radius". The "Polygon" element defines a substructure of "longitude, latitude longitude, latitude..." Q1: It would be useful to define a re-useable structure for longitude and latitude that is used for both elements. It would end up like this: <circle> <long>38.333</long> <lat>-122.333</lat> <radius>12</radius> </circle> <polygon> <long>38.333</long> <lat>-122.333</lat> <long>33.333</long> <lat>-13.333</lat> ... </polygon> Q2: The "Polygon" element states that the first long/lat pair is repeated at the end of the list. If this necessary? That is, we can assume that if it is a Polygon, the last long/lat pair will have to join to the first? Cheers... Dr Renato Iannella Project Leader, NICTA, Brisbane, QLD, AUSTRALIA P: +61 7 3000 0484 F: +61 7 3000 0480 M: +61 4 1313 2206 E: renato@nicta.com.au W: http://nicta.com.au -------------------------------------------------------------------------- This email and any attachments may be confidential. They may contain legally privileged information or copyright material. You should not read, copy, use or disclose them without authorisation. If you are not an intended recipient, please contact us at once by return email and then delete both messages. We do not accept liability in connection with computer virus, data corruption, delay, interruption, unauthorised access or unauthorised amendment. This notice should not be removed.
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