Hi Ben,

Thanks for your reply.

>
> Google has several automated systems to detect and prevent scraping - I
> suspect your regular requests have run afoul of these.  The maximum request
> rate is not a promise that you can query at that rate indefinitely, rather
> to help diagnose why you've been blocked.


Yes, well, I have just got blocked again, after only 4000 queries at 1
second intervals.

Thanks for the suggestions, but:

> 1 - use the tiles that we've already generated from the same elevation data.

That's no fun. I was hoping to make my own cool tiles. :)


> 2 - request more than one point per query.

The documentation indicates that queries with multiple points may
return less accurate results.


> 3 - subsample your region.  Our elevation data may have a lower resolution
> than your target, in which case you would be making redundant requests.

I don't have a target. I was just having some weekend fun and hoping
to add a nice looking demo to my site.
It was only another "experiment" I wanted to make, and based on the
docs, I thought that I was welcome to grab 25,000 results per day, but
I don't want to upset Google, so I guess I'll forget about it.

Cheers,

--
Marcelo - http://maps.forum.nu
--





>
> Cheers
> Ben
>
> On 27 Mar 2010 19:50, "Marcelo" <marcelo...@hotmail.com> wrote:
>
> Dann, Thor,
>
> I've been trying to use this great new service, but I think I got
> blocked too soon.
>
> I want to create an elevation tileset that fills the screen on my
> Nexus One, at 800x480 pixels, so that would be a total of
> 380,000 points, divided by 25,000 a day, about 15.36 days to complete.
>
> I started with a batch of 8000 points, sending one query of one point
> every 2 seconds, and I got blocked after about 250 points.
>
> Do I need to go even slower?
>
> --
> Marcelo -http://maps.forum.nu
> --
>
> --
>
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