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==============
gpx2navit_txt README
==============
bodenseepingu
4/01/2008
What's This
===========
gpx2navit_txt is a converter from GPX file to Navit Text map format
For gpx2navit_txt was the original code from gpx2shp used and modified.
This is a output of Metro Manila Transit Map Project by JOCV (Japan
Overseas Cooperation Volunteers) program of JICA (Japan International
Cooperation Agency in 2004. It is provided you on GPL2.
Compilation/Installation
========================
run ./autogen.sh && ./configure && make
run make install if you want the binary to be installed in your system.
run make uninstall to wipe everything related.
How to Use
==========
- Basic
There are three types of data on GPX that are waypoint, trkpoint and
route. gpx2navit_txt converts the data to navit file(s)
Please try to convert a sample file "pinatest2.gpx" in this archive.
prompt> gpx2navit_txt pinatest2.gpx
prompt> ls
pinatest2.gpx (source gpx)
pinatest2_meta.txt (meta data may be there)
You can convert only a certain type of data like only waypoint or
track point using option '-w' (waypoint), '-t' (trackpoint) or '-r'
(route).
prompt> gpx2navit_txt -r pinatest2.gpx
- Convert path data to points and etc
As default, track point and route data is converted as a arc data but
you can convert it other ways using option '-p'(convert as point) and
'-e' (as edge). The edge file has '_edg' in the filename and the point
file has '_pnt' in the filename.
prompt> gpx2navit_txt -p -e pinatest2.gpx
- Statistics
If you add '-s' option you can see a conversion summery.
prompt> gpx2navit_txt -s pinatest2.gpx
Track Points:
track count: 4
point count: 658
total length: 156565.627989
unconverted: 0( 0.00%)
Routes:
route count: 1
point count: 323
total length: 9258.618971
unconverted: 0( 0.00%)
Waypoints:
point count: 118
- Noise reduction
gpx2navit_txt has several thresholds to reduct the noise path data. The
value can set as '--min-points', '--min-length' and '--min-time'. Please
try a example below.
prompt> gpx2navit_txt --min-points 6 -s pinatest2.gpx
gpx2navit_txt:../pinatest3.gpx:3962 track was not converted because of
less then 6 points. (<- this path is not converted because the path
has only 5 points)
Track Points:
track count: 3
point count: 653
total length: 156439.490642
unconverted: 1(25.00%)
Routes:
route count: 1
point count: 323
total length: 9258.618971
unconverted: 0( 0.00%)
Waypoints:
point count: 118
- Length and time units
You can choose any length related units that are supported by proj4
for attribute table using
'--length-unit' (for length column, default: m),
'--time-unit' (for time column, default: sec),
'--speed-length-unit' (for speed column, default: km),
'--speed-time-unit' (for speed column, default: hour) and
'--length-ellipsoid' (for length calculation, default: UGS84).
You can see the supported units by 'geod -lu' and 'geod -le' command.
Supported time unit are 'sec', 'min', 'hour' and 'day'.
- Other futures
There are other futures in gpx2navit_txt. Please check the option list using
gpx2navit_txt --help
Problem or Suggestion
=====================
Please let me know about your opinion in English by e-mail.
bodenseepingu at users.sourceforge.net
navit on sourceforge.net
http://gpx2shp.sourceforge.jp/ for original gpx2shp
todo for gpx2navit_txt
Acknowledgments
===============
NEDA (National Economic and Development Authority) Region IV-B office
My generous counter part
Yoshio Tanaka
My project leader gpx2shp
Petter Reinholdtsen
Many support to develop this
Frank Warmerdam and the team
shapelib and proj4
bodenseepingu for modifications towards navit
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