[mkgmap-dev] Combining img files to a single map

Wed Nov 2 15:38:35 GMT 2022

Hi Harri,

I don't understand why you want to combine the different gmapsupp files. What would be the
advantage compared to having multiple files?
I have four or five different gmapsupp on my device, I can enable/disable each and I can update
each one separately. Why would I want to combine them into one large file?

Gerd

________________________________________
Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Harri Suomalainen <hsuomal at welho.com>
Gesendet: Mittwoch, 2. November 2022 15:44
An: Development list for mkgmap
Betreff: Re: [mkgmap-dev] Combining img files to a single map

Yes, I've been trying to combine multiple gmapsupp files. I have a
workflow that makes uses mkgmap to make several files from the same
splitted files using "mkgmap -gmapsupp ..."

How does one combine tiles when there are multiple styles used with same
source tiles? Compile without -gmapsupp option and then combine multiple
.img -files? (Are there restrictions like should they be same family or
whatever, as long as different mapname/id?)

At the moment I have tiles, use mkgmap with some style and then run
mkgmap with another style to make overlay like arrows for oneway streets
and I need to combine that kind of results.

On 1.11.2022 20.11, Gerd Petermann wrote:
> Hi Harri,
>
> you seem to try to combine different gmapsupp files? I think this is not supported by mkgmap.
> Why don't you combine the wanted tiles instead?
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von Harri Suomalainen <hsuomal at welho.com>
> Gesendet: Dienstag, 1. November 2022 14:09
> An: mkgmap-dev at lists.mkgmap.org.uk
> Betreff: [mkgmap-dev] Combining img files to a single map
>
> I'm had problems combining different maps to a single file with mkgmap
> (latest version but this has been a long term problem)
>
> What are the requirements for combining? I seem to not find any
> documentation about it other than that mapname should be different on files.
>
> I'm generating multiple files, all with different family-id, product-id,
> mapname and map description. They all use different typ-files matching
> the file family/product-id of the compiled map.
>
> Combining with gmaptool (command-line on linux) has been successful with
> "./gmt -jo gmapsupp.img basemap.img fixme.img oneway.img". (Using a very
> old 2015 version, just because I have had it installed)
>
> Combine attempts with like "java -jar mkgmap/mkgmap.jar --gmapsupp
> basemap.img fixme.img oneway.img" give very small files and I get
> warnings like "WARNING (global): Could not copy MAKEGMAP.MPS
> uk.me.parabola.imgfmt.FileExistsException: File MAKEGMAP.MPS already exists"
>
> What is the correct way to go? (Only my basemap has routing information,
> other files are overlay info like fixme marking, oneway arrows and similar)
>
> Chears, Harri
> _______________________________________________
> mkgmap-dev mailing list
> mkgmap-dev at lists.mkgmap.org.uk
> https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
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