Yes, the site is freely available to public.
On Oct 22, 3:43 pm, boomerbubba <[EMAIL PROTECTED]> wrote:
> p.s. If you want to use Google's API to geocode this volume, and your
> site otherwise qualifies for the free API (freely accessible to the
> public), then I believe Google does not object to your geocoding your
> database once and reusing the coordinates at run time. If your site
> does not qualify for the free API, you also can explore a license for
> Google Maps Premier.
>
> On Oct 22, 2:36 pm, boomerbubba <[EMAIL PROTECTED]> wrote:
>
> > Much depends on the accuracy you desire. Most of the free geocoders
> > listed on that page are not worth much in that regard, compared to
> > professional-level, licensed geocoding software or services.
>
> > As for batchgeocode.com, it uses the Yahoo API's geocoding engine.
> > Yahoo sends precision flags and sometimes warnings with each address
> > transaction, but batchgeocode.com discards those important data
> > elements and just plots Yahoo's best guess. So some addresses will
> > not be geocoded at all, others will be geocoded at grossly wrong
> > locations, with nary a warning to the user.
>
> > Yahoo seems to tolerate this use of its geocoding engine -- on its
> > face an apparent violation of the Yahoo API -- so long as the batch
> > geocoding is crippled by suppressing the warnings. That way, the
> > intellectual property and market of providers such as Tele Atlas,
> > which markets professional-level geocoding services, is fairly well
> > protected. It's easy to see at least some of the precision warnings
> > of Yahoo and Google -- by submitting one address at a time -- to a
> > different third-party site:http://www.gpsvisualizer.com/geocode. If
> > you want to see everything, you must use the APIs, which impose legal
> > restrictions on their use.
>
> > But do not expect to get decent geocoding for free. I suggest that
> > you explore a commercial solution to geocode your batch of 15,000
> > locations. A professional geocoding engine will return, along with
> > the lat/lon coordinates, specific fields denoting the precision and
> > warn of ambiguities. Then you must set you quality threshhold, decide
> > on a strategy to fix errors and resolve ambiguities, and design your
> > own application to comply with whatever business rules you set.
> > Achieving anything approaching 100 percent accuracy will almost
> > certainly involve human effort to deal with exceptions. The error
> > rate will also be a function of how well your input addresses are
> > validated and standardized in advance. Garbage in, garbage out.
>
> > On Oct 22, 2:14 pm, JF <[EMAIL PROTECTED]> wrote:
>
> > > Thanks for this info! I tried many Geocoders listed
> > > onhttp://groups.google.com/group/Google-Maps-API/web/resources-non-goog...,
> > > but none of them seem to work for me. This is for a project located in
> > > Canada, so already the set of Geocoders that can be used is reduced to
> > > the ones providing data for Canada. Many links on that page refer to
> > > Geocoding pages using Yahoo!'s geocoder, but yahoo only allows to use
> > > its geocoding service if it to use the data in conjuction with Yahoo
> > > Maps; we want to use Google Maps. geocoder.ibegin.com, which is listed
> > > on that page, seemed to offer an interesting solution, however it
> > > could not locate my place properly (right street, but wrong city!).
>
> > > We have a database containing Latitudes and Longitudes for all postal
> > > codes in Canada, and I can use that. However, full addresses
> > > geolocalization gives better results, especially for remote places
> > > where postal codes cover a large area.
>
> > > We have an interface on our Intranet that allows us to enter new
> > > locations in the database driving our web site. What I would like
> > > would be to have the possibility to geocode a location when that place
> > > is saved in our database, and to save the latitude and longitude at
> > > the same time. It would be easy to do this we Google's geocoder, but I
> > > am not sure whether this would infringe its terms of use. I would
> > > really appreciate getting feedback from Google about this.
>
> > > JF
>
> > > On Oct 22, 11:36 am, mapperzUK <[EMAIL PROTECTED]> wrote:
>
> > > > JF as noted by Pamela Fox in the Tutorial -'Using PHP/MySQL with
> > > > Google Maps'
>
> > > > "Note: This tutorial uses location data that already have latitude and
> > > > longitude information needed to plot corresponding markers. If you're
> > > > trying to use your own data that don't yet have that information, use
> > > > a batch geocoding service to convert the addresses into latitudes/
> > > > longitudes. Some sites make the mistake of geocoding addresses each
> > > > time a page loads, but doing so will result in slower page loads and
> > > > unnecessary repeat geocodes. It's always better to hardcode the
> > > > latitude/longitude information when possible. This link contains a
> > > > good list of
> > > > geocoders:http://groups.google.com/group/Google-Maps-API/web/resources-non-goog...
> > > > "
>
> > > >http://code.google.com/support/bin/answer.py?answer=65622
>
> > > > so if you pre-geocode your 15,000 locations into a database then you
> > > > will achieve your option 2.
>
> > > > (but never trust a geocoder - Mike
> > > > Williams)http://markmail.org/message/ryz24bm7n66ew6b5
>
> > > > Mapperzhttp://mapperz.blogspot.com/
>
> > > > On Oct 22, 4:17 pm, JF <[EMAIL PROTECTED]> wrote:
>
> > > > > I have the following problem. I am working on a web site backed by a
> > > > > database containing around 15 000 locations. These locations can be
> > > > > displayed on maps on the web site. On these maps, other surrounding
> > > > > locations should also be displayed. In the end, around 50 locations
> > > > > could be displayed on a single map with its main point of interest. So
> > > > > before displaying the map, around 50 locations will need to be
> > > > > geocoded in order to position them on the map. The geocoding requests
> > > > > would be issued by the server, which seems to be a problem. Imagine
> > > > > that 10 people are surfing the site and viewing maps at the same time,
> > > > > it would mean that the server would need to geocode 500 locations in a
> > > > > short amount of time. This is a problem, since Google's geocoding
> > > > > servers stop answering when too many request are coming from the same
> > > > > location all at once.
>
> > > > > I see two solutions:
>
> > > > > 1) The geocoding should be done on the client side. However, in most
> > > > > Google Map examples, the latitudes and longitudes are provided by the
> > > > > server. Is there somewhere a good example in which latitudes and
> > > > > longitudes are fetched by the client just before displaying the map?
>
> > > > > I see a drawback with this technique though. It does not reduce the
> > > > > load on Google's geocoding servers.
>
> > > > > 2) A better technique would be to cache the geocoding data (latitudes
> > > > > and longitudes) for the 15 000 locations on the server beforehand.
> > > > > This appears to me as being much cleaner, and it removes some burden
> > > > > from Google's geocoding servers. What is the point of geocoding the
> > > > > same locations multiple times anyway?
>
> > > > > However, there seem to be a legal issue with this second technique.
> > > > > Onhttp://maps.google.com/help/terms_maps.html, one can read the
> > > > > following:
>
> > > > > <blockquote>Also, you may not use Google Maps in a manner which gives
> > > > > you or any other person access to mass downloads or bulk feeds of
> > > > > numerical latitude and longitude coordinates.</blockquote>
>
> > > > > This appears to make the second solution illegal, which is really too
> > > > > bad. I would like to get a confirmation of this though from Google
> > > > > staff.
>
> > > > > Cheers!
>
> > > > > JF- Hide quoted text -
>
> > > - Show quoted text -- Hide quoted text -
>
> > - Show quoted text -
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