On Apr 30, 9:43 am, picard <[email protected]> wrote: > Thank you for your answer :) > > What do you mean by "eliminate markers all together and instead use > tiles > with markers drawn on them"?
Yes. > You mean by creating static maps (images) with marks on them? Yes. > Is there an easy way of creating them automatically instead of doing > screen captures > for all those thousands of locations? :) Yes. See this video by John, that demonstrates the technique. http://www.youtube.com/watch?v=IYqfT9i1las&feature=PlayList&p=05D94CA1ADAF07B5&index=0 However, you still need to send the data to be displayed when the user clicks a marker in some format to the browser, so if someone wants to steal your data, they can. -- Marcelo - http://maps.forum.nu -- > > Piotr > > On 29 Kwi, 23:57, "Maps.Huge.Info (Google Maps API Guru)" > > <[email protected]> wrote: > > The bottom line is if you're using markers, you're making the data > > available to anyone with the technical capability to take it. > > > There are a couple of ways you can reduce your exposure though. > > > Only pass marker data for the visible map. > > > Pass generalized markers for high zoom levels (see marker manager for > > details on that). > > > Limit the number of pulls on your database to a maximum number a human > > would do, any more than the typical human rate, lock that IP from > > using your application. I use this method with great success. It > > doesn't bother actual human users but it thwarts robots from > > harvesting my databases. > > > Another way is to eliminate markers all together and instead use tiles > > with markers drawn on them. When a user clicks on a pseudo marker, > > send the point to your database to be queried to see if it's in fact a > > marker, and if so, return the marker data. That way, only a human > > clicking on the map could possibly be sending the coordinate to your > > database. This method also cuts down on the traffic between your > > server and the client. > > > It may be pointless to even try if your data is either too valuable or > > you have a person who is too determined to get around your security. > > The alternative is to simply offer your database for license at a > > reasonable cost. Just like music downloads, if the price is right, > > most people would rather comply with the rules than break them. > > > -John Coryat > > >http://maps.huge.info > > >http://www.usnaviguide.com --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
