Hi
Yeah It is for Custom tiles. I will explain the whole process.
I am creating tiles image using GD and I have lat/lon for each zip in
US.
I am creating imgaes for some zoom level and save these images in my
server. Also for a perticular
reason I have to update these images onces in a month. Problem is that
Its taking time for creating the images.
For some lower zoom level, I thought of applying Douglas - Peucker
algorithm to reduce the number of the points.
so that images can created much faster, I guess.
On Nov 17, 1:15 pm, Marcelo <[email protected]> wrote:
> If you're using custom tiles, (as indicated in your other thread), you
> don't really need to reduce the number of points.
> If you're using encoded polylines instead, here is the page that
> Andrew was referring
> to:http://facstaff.unca.edu/mcmcclur/GoogleMaps/EncodePolyline/
>
> --
> Marcelo -http://maps.forum.nu
> --
>
> On Nov 17, 8:01 am, Susi <[email protected]> wrote:
>
> > Hi
>
> > How can I reduce number of points displayed on the Map in each Zoom
> > level, but same time want to retain the fedility of the shape.
> > I have gone through the Douglas - Peucker algorithm to reduce the
> > number of the polygons. But we need to provide the tolerance as
> > argument.
> > How can we calculate the tolerance for each zoom level? Are there any
> > equation to calculate the tolerance for each zoom level? Or Is it just
> > a constant value?
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