Yeah, you're right. I just hard coded my first spot (lon1, lat1) for now because I was not sure where my starting point would be. I was just trying to get the formula down right and then I'd fix that piece afterwards.
Thanks, L On Apr 15, 5:50 pm, "[email protected]" <[email protected]> wrote: > On Apr 15, 2:57 pm, loulou2u <[email protected]> wrote: > > > So, I'm trying to implement the haversine formula to get the straight > > line distances. I've almost completed it expect that I can't get total > > += distance working to collect all the distances that I calculated. > > > Could someone assist me and let me know what I'm doing wrong? > > > If I click on any of the markers the formula result appears but I > > can't get the result to add to the running total. > > Why would you want a running total of distances from the center > (capitol) to the POI? > I could see if you were trying to organize a tour that visited each in > some defined order, but I'm not sure what you are trying to accomplish > with the running total. > > -- Larry > > > > >http://people.southwestern.edu/~mccordl/googlemaps/test.php > > > Thanks. > > > On Apr 15, 4:23 pm, "[email protected]" <[email protected]> > > wrote: > > > > On Apr 15, 1:36 pm, loulou2u <[email protected]> wrote:> That's a > > > good suggestion. However, how would I figure out the driving > > > > distance? Is the google map api the only way to figure out the > > > > driving distance? > > > > Yes (well, there are probably other ways: measuring it on a map, using > > > another service, buying the data...) > > > I have a tool that will let you do that manually with the > > > API:http://www.geocodezip.com/example_geo2.asp?addr1=2901%20Capital%20of%... > > > > gives 6.8 mi > > > > > In your scenario, are you suggesting that I use the "bird's-eye view" > > > > calculation of a straight line distance? > > > > That would be even easier (if you have the latitude and longitude for > > > the 2 points): > > > javascript:GLog.write(new GLatLng(30.257806, -97.807067).distanceFrom > > > (new GLatLng(30.27265, -97.740252))); > > > > gives 6633.1687 meters, which > > > is:http://www.google.com/search?sourceid=gmail&q=6633.168744825922%20met... > > > 4.12 miles > > > > -- Larry > > > > > Thanks > > > > > On Apr 15, 3:22 pm, Rossko <[email protected]> wrote: > > > > > > > So my central point is our State Capital and I'm plotting > > > > > > attractions > > > > > > with their distances from the central point. > > > > > > > Any Ideas? > > > > > > Guessing that the attractions don't move round much, do the distance > > > > > calculations when you add an attraction to your database and store > > > > > that. Saves a lot of wasted time doing lookups on every page view.- > > > > > Hide quoted text - > > > > > - Show quoted text -- Hide quoted text - > > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
