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[mkgmap-dev] possible bug? mkgmap freezes with lines only routing style

From Felix Hartmann extremecarver at gmail.com on Fri Nov 11 10:22:14 GMT 2011

Actually I just thought about one possible problem, as I don't know how 
the mkgmap:noindex=true will be implemented.

What happens when a user simply rebuilds the address index of existing 
.img files without using a style-file when mkgmap:noindex=true had been 
set for problematic cases?

a) will it then slow down if many roads have the same name
b) doesn't matter, the names are now in such a position that mkgmap will 
not use them for address index?

If a) is the case, then I think there would also need to be a switch to 
enable say 300 roads same name, don't index. If b) is the case then the 
mkgmap:noindex=true setup is sufficient.

On 10.11.2011 13:25, Steve Ratcliffe wrote:
> On 31/10/11 10:40, WanMil wrote:
>> I think it's a good idea to use a flag like 'mkgmap:noindex=true' which
>> can be set in the style file. That provides the best flexibility.
> The option appears a popular choice!
> It might be a good addition, although I think it would have
> to work with all element types and not just roads.
> So I will take it that there is no-one in favour of just removing
> often repeated names automatically, and really as long as they
> don't cause any harm I don't see any problem with them.
> So I will merge later the current simplify-sorted-roads branch which
> now only uses the modified algorithm when there is a large number of
> same named roads. It never takes more than a fraction of a second.
> ..Steve
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