Fwd: Re: [Qgis-developer] Accessing GPS devices platform independently

Tim Sutton lists at linfiniti.com
Sat Sep 5 09:53:36 EDT 2009


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Hi

A generic / platform independent GPS tracking component would be a great
a addition to qgis core.

Regards

Tim

Bob Bruce wrote:
> Here's a copy of the email that I sent to Marco.
> 
>     Bob Bruce
> 
> -------- Original Message --------
> Subject:     Re: [Qgis-developer] Accessing GPS devices platform
> independently
> Date:     Sat, 05 Sep 2009 08:26:00 -0500
> From:     bob @ SHAW <Bob.Bruce at shaw.ca>
> To:     Marco Hugentobler <marco at hugis.net>
> 
> 
> Hi Marco:
> 
>                   A few months ago I started work on a GPS plugin that
> would work on Windows since gpsd doesn't work there. I used Martin D's
> trackGPS plugin as a starting point. I've got it working over a serial
> port to the point where it is actively displaying the location on the
> map canvas. I got stuck at the point where I was going to save the
> track to a Shape file because I couldn't get the Shape writer to set
> up the attributes exactly the way that I had programmed it to (i.e.
> when a text attribute of a certain size was requested the attribute
> actually appeared in the file at some default size). This plugin is
> not as advanced as some that are under development, it  only displays
> the position with various options and will save the track to a Shape
> file (when that part is finished) but it does work on Windows now. I
> plan to finish work on it this week and release it and I will be
> asking for help to get the Shape file attribute problem resolved. Any
> help that you or others could lend to this effort would be appreciated.
> 
>      Bob Bruce
> 
> Sent from my iPhone
> 
> On 2009-09-05, at 7:34, Marco Hugentobler<marco at hugis.net>  wrote:
> 
>>  Hi devs
>>
>>  Is there a way to access the data from a GPS device (serial port or
>>  USB port)
>>  in a platform independent way? From what I have read, gpsd can be
>>  used on
>>  Linux but not on other platforms.
>>
>>  Is it necessary to directly parse the NMEA 0183 protocol on windows?
>>  I see
>>  there are some projects connecting gps devices and QGIS (QGIS track
>>  GPS,
>>  Quantum Navigator, QGIS mapper). Is there already some NMEA related
>>  code?
>>
>>  Thanks for any suggestion,
>>  Marco
>>
>>
>>  --  Dr. Marco Hugentobler
>>  HUGIS - GIS Programmierung und Beratung
>>  Honrainweg 5
>>  CH-8038 Zürich
>>  marco at hugis.net
>>  _______________________________________________
>>  Qgis-developer mailing list
>>  Qgis-developer at lists.osgeo.org
>>  http://lists.osgeo.org/mailman/listinfo/qgis-developer
> 
> 
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Tim Sutton - QGIS Project Steering Committee Member (Release  Manager)
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