Hi,
I changed to false so my script is synchroon : request.open("GET",
"states2.xml", false);
The next problem is that In firefox the polygons won't show up. see my
page:
http://profec.nl/profec/gmaps/index1.php
In IE everything still works fine! How strange is that!
Can anybody help?
Greets Martijn.
On 4 dec, 21:18, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
> On Dec 4, 10:30 am, Martijn van der Plaat <[EMAIL PROTECTED]>
> wrote:
>
>
>
> > Hi experts,
>
> > I try to directly check in a map of a certain point is in a polygon.
> > see:http://profec.nl/profec/gmaps/index1.php
>
> > first lookup my code.
>
> > The problem is that, as you can see in the first popup, javascript
> > thinks polys.length() is 0, but in reality polys.length() is 2, as you
> > can see in the second popup. What i think is that the code goes faster
> > then xml can load. Strange enough the script works in IE.
> > Maybe the problem is solved when i pre-load the polygons before i do a
> > poly.length() function? Please look in my code to better understand my
> > problem.
> > My intention is an applicatie with:
>
> > 1. longitude+latitude as input from a GPS device
> > 2. the input is checked against several polygons on a map
> > 3. the output is a unique id that belongs to the found polygon.
> > 4. I use the id in my further program because the id is identical to
> > an id in a database
>
> > so i only use the whole map as a check function to know in which
> > polygon my GPS exists.
>
> > Maybe another solution is not using the google map at all, and just
> > lookup if my current gps coordinate is in a specific list of polygons,
> > using point-in-polygon algoritmehttp://alienryderflex.com/polygon/
> > But i thought because the google map can tell me directly in which
> > polygon the point is i dont have to walk through the whole list of
> > existing polygons, and thereby the google map solution is faster. But
> > at the moment i realy doubt this!
>
> Part 2 Asynchronous I/Ohttp://econym.org.uk/gmap/async.htm
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