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Old 10-05-2020, 22:48   #1
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Ocpn_draw: Modify the GZ distances with respect to the velocity of the boat

Hi all,



I would like to update ( modify the first and second distance )the GZs that I have already drawn on OpenCPN interface, with respect to the velocity of the boat. For example, if the velocity is much high GZs first and second distance would be longer, in order to reduce the impact of collision by other AIS objects.
My plan is to access the velocity of the boat from NMEA data file and modify the first and second distance of a particular GZ in ODNavobj.xml file.


Which cpp file deals with ODNavObj.xml file?


Could someone help me to figure it out?
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