This Button will do 2 things:
1. It will set a new Trackpoint after each currently selected Point.
2. It will select all new created Points.
So what is it good for?
Lets take this situation:
I am now going to delete the TrackPoints 2 to 8.
The situation looks like this:
More important is that we have a time-problem because Street View will not accept
a time distance larger then 5 Seconds.
And we have here a time distance of ...
We can see it here also:
We can now select Trackpoint 1 - the point before the TP we want to insert - and press
This will change the situation in 2 ways.
First we get one new Trackpoint here:
Second, the new TP is selected as well as the original TP.
Now we can immediately press the Button again ...
Now we get this.
and we can immediately press the button once more.
Now we get a Situation that looks like this:
Where all (new) Points are perfectly distributed.
This should only be done in special cases because it may lead to pictures having wrong GPS Coordinates by some meters.
Therefore you should prefer the "Line Points" Button.
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