Try entering coordinates of varying decimal places here: http://www.nearby.org.uk/precision-ll.cgi
it should tell you approximate accuracy. eg, 6 decimal places give you sub-meter accuacy - and is a common comprimise for Google Maps applications. Personally I tend to use decimal(10,6) 2009/1/23 Albert Hendriks <[email protected]>: > > Hi, > > I'd like to know the maximum string length (or an upperbound for it) > that could be necessary to represent a latitude (or longitude). I need > to know this because I want to store it in a mysql column. When > creating the column, I have to supply a length for it (e.g. VARCHAR > (40)). > > > > -- Barry - www.nearby.org.uk - www.geograph.org.uk - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/Google-Maps-API?hl=en -~----------~----~----~----~------~----~------~--~---
