New answers tagged gps
I recommend you to read the qgis cookbook: http://docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/ There you can read how to program a plugin that suits your needs. In the section plugins: http://docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/plugins.html it is shown how to set up a plugin with a user interface that is using qt
here is my simple approach: create a new map in umap: http://umap.openstreetmap.fr/en click Import Data a select all the gpx files you have and upload them into map (you can import all of them at once) enter Edit map settings > Default properties, choose opacity 0.25, weight 10. The three steps above will take 5 minutes and here is the result:
You should be able to achive you goal using free geocoders with a little bit of scripting on top. First you should probalby look into the OpenStreetMap Nominatim (http://wiki.openstreetmap.org/wiki/Nominatim) Here however there are certain use policies that you must apply to. In the link i have give you, it is stated, that Mapbox have a similar service ...
Is the GNSS receiver providing NMEA data? If so, is the GSV sentence provided? If so, the elevation in degrees is provided in that specific sentence. http://aprs.gids.nl/nmea/#gsv
You can try GpsGate to relay GPS input over a virtual COM port with selectable baud rate. The GpsGate Express Client is free of charge. It works for me with a Garmin device connected via USB inside QGIS.
Converting geographic (latitude-longitude) coordinates to plane (X-Y or row-column) coordinates is a matter of map projection. Your main constraint is probably the projection which is already being used to map the other features (runways, terminals, etc). That is, if they are already recorded/stored/displayed in some flat X-Y system, then you need to ...
Do you mean something similar to a CORS network? If so IGS has a few stations in India: http://igscb.jpl.nasa.gov/network/complete.html I am looking for GNSS receivers active in India as well, hopefully a more dense network of receivers. If anyone knows of such a service please respond. I would guess that there are GAGAN stations with some information ...
After testing the device, here are the values I found from the above string, this is a paste from my PHP code, but it should be readable... 355488020131816##1#0000#AUT#01#2260012b9cbb47#2112.703000,E,4545.754120,N,0.07,0.00#031213#184625.000 // convert the sentance to variables ...
355488020131816 i think is the IMEI number
Did you edit the data in that table at all? It's strange how there is one row with its lat/longs in DDMMSS when all the others (the ones that aren't blank) are in decimal degrees. Also, do the points which are missing positional data actually show up in ArcMap? Are they where they're supposed to be? As far as the missing data, it looks like everything went ...
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