Feature request: split option

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Feature request: split option

by Erik Krause :: Rate this Message:

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Hello,

The filter to merge and split tracks inside a GPX file is really fine,
but an option to split data into separate files based on the track title
would be even better. This would allow to repeatedly save data from a
logger without having lots of duplicates (and without danger to
overwrite previous saves).

best regards
--
Erik Krause
http://www.erik-krause.de

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Re: Feature request: split option

by Micha Holzmann :: Rate this Message:

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Hello,

i want to add myself to this feature request.
This is a feature that would helps a lot maintaining
my tracks.


best regards,
mike

Quoting Erik Krause:

> Hello,
>
> The filter to merge and split tracks inside a GPX file is really fine,
> but an option to split data into separate files based on the track title
> would be even better. This would allow to repeatedly save data from a
> logger without having lots of duplicates (and without danger to
> overwrite previous saves).
>
> best regards
> --
> Erik Krause
> http://www.erik-krause.de

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Re: Feature request: split option

by John Robert Peterson :: Rate this Message:

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This feature would have made things much simpler for a recent project I did also.

There is the unfortunate limitation that there is only one output file, but if it was implemented as a simple filter, the stack could be used to output multiple explicitly named tracks.

If there was somehow a method of splitting a file into multiple files: one per track -- many problems would be solved.

Is there any way to output a list of the names of tracks only?

JR


2009/10/4 Erik Krause <erik.krause@...>
Hello,

The filter to merge and split tracks inside a GPX file is really fine,
but an option to split data into separate files based on the track title
would be even better. This would allow to repeatedly save data from a
logger without having lots of duplicates (and without danger to
overwrite previous saves).

best regards
--
Erik Krause
http://www.erik-krause.de

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Re: Feature request: split option

by Robert Lipe-4 :: Rate this Message:

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On Mon, Oct 5, 2009 at 5:07 AM, John Robert Peterson <jrp.crs@...> wrote:
This feature would have made things much simpler for a recent project I did also.

There is the unfortunate limitation that there is only one output file, but if it was implemented as a simple filter, the stack could be used to output multiple explicitly named tracks.

In our world (like in the UNIX world that surely inspired me) filters don't create files; they filter them.   There are readers, filters, and writers.  None of them really knows about the other - it's a fundamental part of our conversion process.   

I can imagine a design where a filter could explicitly call writers, but it would be quite messy to design it well.  I'm also skeptical of the need.  In all the formats we support, I can't think of any that require a single track per file.

If there was somehow a method of splitting a file into multiple files: one per track -- many problems would be solved.

But are they problems within the scope of GPSBabel?  Remember, we're about conversion, not a universal/custom XML parser.   Some problems are better left to other tools such as xsltproc or real GIS programs.
 
Is there any way to output a list of the names of tracks only?

You may be able to do something with a custom XSCV to output TRACK_NAME.

RJL

 
JR


2009/10/4 Erik Krause <erik.krause@...>

Hello,

The filter to merge and split tracks inside a GPX file is really fine,
but an option to split data into separate files based on the track title
would be even better. This would allow to repeatedly save data from a
logger without having lots of duplicates (and without danger to
overwrite previous saves).

best regards
--
Erik Krause
http://www.erik-krause.de

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