On 09.06.2011 11:16, Oliver Eichler wrote:
> as the track filter is a very easy to understand file that allows everyone to 
> contribute without digging thru tons of my code, I ask everyone to implement 
> wishes for the filter himself. The last add-on, the angle filter, was 
> contributed by that way.
>
> Thus if you want a special feature from GPSBabel analyse their code and port 
> the algorithm to QLGT. If you need any explanation about the code or the tool 
> chain you are welcome to ask.

Hej Reiner, Oliver,

thanx for the input on the subject.

actually, i have to try the developement version of qlandkartegt to test 
the angle filter.

On the topic on contribution and ideas:
Would it be easy to implement the Douglas-Peucker algorithm to simplify 
a track?

http://en.wikipedia.org/wiki/Ramer–Douglas–Peucker_algorithm

i think this would be a good way to simplify a track not with time, 
angle or distance but amount of trackpoints (it can be run recursively 
and after each run tested if the amount of points is less then the limit 
set).

is there somewhere documentation how to add such a filter? i have some 
experience with java and some script languages but never did something 
with qt.

greetings

Damir

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