Re: [Gpsbabel-misc] position,distance=10m problem
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robertl
From: Rich <ri...@na...> - 2011-06-29 21:17:41
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On 06/29/11 07:58, Dr. John W. Glendening wrote: > On Tuesday, June 28, 2011 10:00:11 am Rich wrote: >> how exactly did you implement the filter ? i'm still quite interested in >> a working version of such a filter :) > > If you mean software-wise, I wrote a script to read/filter/write a file using > Perl, since I have the Perl program installed on my PC. If you mean > methodology, I outlined that in my last post though I did not go into my > method of reducing a pair point to a single point - I first took the simplest > approach of simply discarding one point (the one having the nearest non-pair > neighbor), then went to averaging them, finally ended up doing a weighed > average with the weight being the number of points previously combined into an > existing point, so the location of a point resulting from multiple > combinations will be weighted more than an original point (perhaps gilding the > lilly). that sounds fairly advanced to me :) do you mind sharing the script, or maybe publishing it under some opensource licence or so ? > Jack -- Rich |