Re: [Pymag-devel] Bounding box

[henrik j. <hen...@gm...>]

Hi Josh,

Thanks for testing.

I think I know what the problem is. There's a limit of 64k cell
elements in a cell. So it's clearly a pymagellan fault since it could
just increase the number of cell levels if it reaches this limit. The
threshold is set to max 2000 elements per cell but I think this might
not be respected for some reason.

I added some more asserts that should catch this problem.

/Henrik

2009/6/2 Josh <jo...@fe...>:
- Show quoted text -

2009/6/2 Josh <jo...@fe...>:
> Quoting henrik johansson <hen...@gm...>:
>
>> Hi,
>>
>> I have now added bounding box support for the database reader.
>>
>> Think it's high time to make another release. It would be nice if you
>> could test the latest trunk to see if it still works for you.
>>
>> /Henrik
>
> Hi Henrik,
>
> I've done a few tests with the current svn version today, and it looks good.
> I haven't tried the maps on a GPSr yet but at least they don't crash
> mapsend ;)
> Most polygons are rendering now. I haven't tested the bounding box or
> pgsql yet.
>
>
> On another note, I've been getting an error for a while on one
> particular map I've been building:
>
> magellan/DBUtil.py:190: DeprecationWarning: 'H' format requires 0 <=
> number <= 65535
>   return apply(struct.pack, (structendian+types,) + data)
> magellan/Layer.py:646: DeprecationWarning: 'H' format requires 0 <=
> number <= 65535
>   return struct.pack(prefix+types, *data)
>
> I *think* this is because there are more than 64k
> residential/unclassified  roads in the osm extract going in to a
> single layer.
> Is this a limitation of the magellan map format, or in pymag?
> In an attempt to overcome this in the past I've split the roads into
> multiple layers, and that builds successfuly.
> The map can be opened in Mapsend and Vantagepoint, but locks up GPSRs
> (tested on half a dozen explorists) as soon as you select the detail
> map.
> I don't know if this is related or a different problem.
> Any hints on diagnosing the problem other than trial-and-error
> exclusion of objects?
>
> Cheers,
> Josh
>
>
>
>
>
>
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