Many thx, I never found that demo :) Now I just have to analyze the
performance hit of that with many polylines (100)


On Jan 29, 1:57 pm, Marcelo <[email protected]> wrote:
> Check out this demo:http://maps.forum.nu/gm_mouse_dist_to_line.html
>
> It doesn't use the GPolyline's mouseover event. Instead, it calculates
> the distance in the GMap2 mousemove event.
>
> --
> Marcelo -http://maps.forum.nu
> --
>
> On Jan 29, 1:39 pm, Paulo JF Silva <[email protected]> wrote:
>
>
>
> > 1) I don't want accurate GIS, just a consistent UI experience. Right
> > now, if you have several polylines and want to change the cursor on
> > mouseover, for example, the UI is very, very bad, because of the
> > problem I described.
>
> > 2) The click approach seems to be about right, the onmouseover is a
> > different beast. From my understanding, a diagonal line results in a
> > big rectangle that triggers mouseover.
>
> > On Jan 28, 9:00 pm, Rossko <[email protected]> wrote:
>
> > > > In my experiments it seems that, because the line is diagonal, the way
> > > > that mouseover/out are triggered isn't pixel perfect but instead uses
> > > > a rectangle bound of the polyline. (I have mouseOutTolerance:1)
>
> > > You're right, it is an approximation.
> > > This old 
> > > bloghttp://googlemapsapi.blogspot.com/2007/09/v288-clickable-polylines-po...
> > > explains how they do it for clicks (and presumably since then, use the
> > > same method for mouseover)
>
> > > > Isn't there a way to achieve what I want but be pixel perfect to the
> > > > line?
>
> > > Not with the API.  It's just a general purpose map display, not a full
> > > blown millimetre-accurate GIS.

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