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[mkgmap-dev] highway shields in label occasionally dropped

From Clinton Gladstone clinton.gladstone at googlemail.com on Thu Nov 5 18:19:28 GMT 2009

On Thu, Nov 5, 2009 at 7:04 PM, Gert Münzel <Gert.Muenzel at netcologne.de> wrote:

> The  "BUS US-127" is simply to long for displaying it in a highway
> shield on GPS.
> Isn't there a way dealing with this via stylefile?. e.g looking up the
> content of REF and checking if there is a "BUS " at the beginning and
> then cutting of this "BUS " so that only "US-127" remains  which then is
> displayable ?
> Just an idea of a poor man having less experience with style files.

At the moment, this is not possible. I believe we did have some
discussion about allowing regular expressions in the style files, but
the approach and necessary syntax seemed somewhat unwieldy.

Also, in this example, I think the "BUS" in "BUS US-127" stands for
"Business Loop", which is distinct from the main "US-127", so dropping
the "BUS" could be potentially misleading.

We certainly seem to have a problem, because it is hard to determine
exactly what is reasonable to display in the highway shields. This can
be quite subjective too. Right now with the code, I am getting things
like "Südring" appearing as shields, which doesn't really seem right.
(This is why I thought about lowering the limit for alpha-only

Let's do some more thinking about a flexible solution.


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