Re: advice, python for binary to xml

2013-02-01 Thread 88888 Dihedral 
noydb於 2013年1月31日星期四UTC+8下午9時33分48秒寫道：
 I'm looking for knowlegde about how best to go about converting a binary file 
 (from a GPS unit) to GPX/XML.  I am completely clueless on this, so any 
 start-from-the-beginning info would be greatly appreciated!  I'm guessing the 
 level of effort will be huge?
 
 Python 2.7, Windows 7

OK, since I was in charge of a project 
to retrieve the GPS with the RSA232  NMEA TEXT messages into a computer  
program before, 
I have not checked about the NMEA protocal (PUREASCII)
for more than 10 years.  

But I worked with usb interfaces, too.




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advice, python for binary to xml

2013-01-31 Thread noydb 
I'm looking for knowlegde about how best to go about converting a binary file 
(from a GPS unit) to GPX/XML.  I am completely clueless on this, so any 
start-from-the-beginning info would be greatly appreciated!  I'm guessing the 
level of effort will be huge?
Python 2.7, Windows 7
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Re: advice, python for binary to xml

2013-01-31 Thread Maarten 
On Thursday, January 31, 2013 2:33:48 PM UTC+1, noydb wrote:
 I'm looking for knowlegde about how best to go about converting a binary file 
 (from a GPS unit) to GPX/XML.  I am completely clueless on this, so any 
 start-from-the-beginning info would be greatly appreciated!  I'm guessing the 
 level of effort will be huge?

I assume that you've looked into GPSBabel? http://www.gpsbabel.org/

Maarten
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Re: advice, python for binary to xml

2013-01-31 Thread noydb 
On Thursday, January 31, 2013 8:41:34 AM UTC-5, Maarten wrote:
 On Thursday, January 31, 2013 2:33:48 PM UTC+1, noydb wrote:
 
  I'm looking for knowlegde about how best to go about converting a binary 
  file (from a GPS unit) to GPX/XML.  I am completely clueless on this, so 
  any start-from-the-beginning info would be greatly appreciated!  I'm 
  guessing the level of effort will be huge?
 
 
 
 I assume that you've looked into GPSBabel? http://www.gpsbabel.org/
 
 
 
 Maarten

Yes, I have.  Was hoping to use it, but client is very resistent to adding such 
things to their system - python is desireable.  So what GPSbabel does is what I 
need, just one translation, from Garmin's gdb file (binary) to gpx.
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Re: advice, python for binary to xml

2013-01-31 Thread Maarten 
On Thursday, January 31, 2013 4:05:43 PM UTC+1, noydb wrote:
  I assume that you've looked into GPSBabel? http://www.gpsbabel.org/
 
 Yes, I have.  Was hoping to use it, but client is very resistent to adding 
 such things to their system - python is desireable.  So what GPSbabel does is 
 what I need, just one translation, from Garmin's gdb file (binary) to gpx.

They realize that they'll get a much higher bill, and more bugs to boot?

I don't think there is an easy way around this, but at least you have some code 
to start reading gdb - as far as I know the GPSBabel sources are the only 
public description of the gdb file format. It is not trivial, but restricting 
yourself to the parts needed for the application may provide some shortcuts. 

Maarten - pay more, get less: way to go.
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Re: advice, python for binary to xml

2013-01-31 Thread noydb 
:-)  yeah...
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