[mkgmap-dev] Echange .typ-file in gmapsupp.img on Mac OS x 11 or newer?

Sat Jul 24 12:20:45 BST 2021

Hi Gerd

Good idea

A quick grep seems to indicate that it is safe to remove them both from
display: src/test

Ticker


On Sat, 2021-07-24 at 07:44 +0000, Gerd Petermann wrote:
> Hi Ticker,
> 
> attached is a quick patch to move the code into mkgmap  so that it
> can be used with
> java -cp mkgmap.jar java -cp mkgmap.jar
> uk.me.parabola.util.ExtractFile gmapsupp.img
> and
> java -cp mkgmap.jar java -cp mkgmap.jar uk.me.parabola.util.ZipFile
> gmapsupp.img
> 
> Do you think that's okay?
> 
> Gerd
> 
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Gerd Petermann <gpetermann_muenchen at hotmail.com>
> Gesendet: Samstag, 24. Juli 2021 08:40
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Echange .typ-file in gmapsupp.img on Mac OS
> x 11      or newer?
> 
> Hi Felix,
> 
> The speed probably mostly depends on the disk speed (ssd or not). I
> see less than 10 secs for an extract from ssd to ssd, same for the
> rewrite for a 969 MB gmapsupp.
> BTW: It's much easier to use the jar files, memory doesn't seem to
> matter:
> java -cp d:\mkgmap\dist\mkgmap.jar;d:\display\dist\display.jar 
>  test.ExtractFile c:\temp\gmapsupp.img
> 
> I think on unix-liked systems you need separator ":" instead of ";"
> between the two jars:
> java -cp d:\mkgmap\dist\mkgmap.jar:d:\display\dist\display.jar 
>  test.ExtractFile c:\temp\gmapsupp.img
> 
> @Ticker: I would not mind to add the two methods to the mkgmap
> uk.me.parabola.util package and extract FileCopier also to that
> package
> 
> Gerd
> 
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Felix Hartmann <extremecarver at gmail.com>
> Gesendet: Freitag, 23. Juli 2021 20:07
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Echange .typ-file in gmapsupp.img on Mac OS
> x 11      or newer?
> 
> oh - well compared to gmt which does it in a second that's a big
> difference...
> 
> On Fri, 23 Jul 2021 at 20:35, Ticker Berkin <rwb-mkgmap at jagit.co.uk<m
> ailto:rwb-mkgmap at jagit.co.uk>> wrote:
> Hi Felix
> 
> For my 1G map it takes just over a minute to extract and about the
> same
> to rebuild. The components are not altered/rebuilt.
> 
> Ticker
> 
> On Fri, 2021-07-23 at 19:24 +0300, Felix Hartmann wrote:
> > Hi Ticker,
> > 
> > thanks for your answer
> > If the gmapsupp.img is 2GB - will this be kinda instant or will it
> > rewrite the full gmapsupp.img from scratch?
> > 
> > It would be great if the standard mkgamp.jar could include that typ
> >  change functionality (I guess this could be easy to add - as
> > mkgmap
> > knows how to build the gmapsupp.img - maybe Andrez could help/add
> > here ot have the most needed functionality of gmt for end users
> > available for Mac?
> > 
> > On Fri, 23 Jul 2021 at 19:06, Ticker Berkin <rwb-mkgmap at jagit.co.uk
> > <mailto:rwb-mkgmap at jagit.co.uk>>
> > wrote:
> > > Hi
> > > 
> > > The mkgmap / display tool has a function to extract all the
> > > components
> > > from a gmapsupp.img and another function to take components and
> > > build a
> > > composite image.
> > > 
> > > You'll need to get the sources from svn - see:
> > > 
> > > https://www.mkgmap.org.uk/mkgmap/display
> > > 
> > > and build it.
> > > 
> > > In an empty directory, my unix command to extract is
> > > 
> > > $ java -Xmx1540M -ea -classpath \
> > > /myMkgmap/display/trunk/build/classes:\
> > > /myMkgmap/svn/trunk/build/classes:\
> > > /myMkgmap/svn/trunk/lib/compile/fastutil-6.5.15-mkg.1b.jar:\
> > > /myMkgmap/svn/trunk/lib/compile/osmpbf-1.3.3.jar:\
> > > /myMkgmap/svn/trunk/lib/compile/protobuf-java-2.5.0.jar \
> > >  test.ExtractFile ../gmapsupp.img
> > > 
> > > Adjust paths as necessary to reference the display build and your
> > > standard mkgmap build.
> > > 
> > > To reconstitute, adjust the contents of the folder to have the
> > > new
> > > TYP,
> > > then use the same command as above but replace the last line
> > > with,
> > > eg:
> > >  test.ZipFile ../newgmap.img *
> > > 
> > > This will probably change the order of the components and I've no
> > > idea
> > > if this matters, but, if it does, give an explicit list, derived
> > > from
> > > the output of ExtractFile, instead of *
> > > 
> > > Ticker
> > > 
> > > On Fri, 2021-07-23 at 16:08 +0300, Felix Hartmann wrote:
> > > > Hi - is there any tool available to change the .typ-file in a
> > > > gmapsupp.img on the Mac OS X Big Sur or newer?
> > > > 
> > > > As gmt_osx is not gonna be updated to x64 - I wonder if there
> > > > is
> > > an
> > > > alternative.
> > > > Or maybe could this function be added to mkgmap?
> > > > 
> > > > I would imagine a call java mkgmap.jar --change-typ
> > > > gmapsupp.img
> > > > newtyp.typ
> > > > (so remove all existing .typfiles in the gmapsupp.img and
> > > > replace
> > > > them with newtyp.typ - for gmapsupp.img consisting of several
> > > maps
> > > > this would be more complicated - I do not feel that is needed).
> > > > 
> > > > Plus maybe the option to join several gmapsupp.img files into a
> > > new
> > > > bigger one (only important for very old devices).
> > > > 
> > > > --
> > > > Felix Hartman - Openmtbmap.org & VeloMap.org
> > > > 
> > > > _______________________________________________
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> > > 
> > 
> > --
> > Felix Hartman - Openmtbmap.org & VeloMap.org
> > 
> > _______________________________________________
> > mkgmap-dev mailing list
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> > mkgmap-dev at lists.mkgmap.org.uk>
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> 
> 
> --
> Felix Hartman - Openmtbmap.org & VeloMap.org
> 
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