V3 average center isn't on by default, by default it works like V2. I'm more than happy to add a barycentric approach, I'll do it soon :)
-- Luke On Mon, Sep 20, 2010 at 3:57 AM, Pierre-Antoine Durgeat < [email protected]> wrote: > Hi All, > > If I correctly understood, > => In MapClusterer for v2, center is the position of the first added > marker. > => In MapClusterer for v3, center is an average between the previous > center and the new marker > > The way the average is calculated is not strict, a barycentric > approach would give better results. > > For v3 it looks like: > if (this.averageCenter_) { > var lat = (this.center_.lat()*this.markers_.length + > marker.getPosition().lat()) / (this.markers_.length+1); > var lng = (this.center_.lng()*this.markers_.length + > marker.getPosition().lng()) / (this.markers_.length+1); > this.center_ = new google.maps.LatLng(lat, lng); > this.calculateBounds_(); > } > > For v2 it looks like: > if (center_ === null) { > center_ = marker.marker.getLatLng(); > } else { > center_ = new GLatLng( > ( markers_.length*center_.lat() + > marker.marker.getLatLng().lat() )/( markers_.length+1 ), > ( markers_.length*center_.lng() + > marker.marker.getLatLng().lng() )/( markers_.length+1 ) ); > } > > I gives nice results for me. > > all the best, many thanks for your awesome work, > -- > Pierre-Antoine > > -- > You received this message because you are subscribed to the Google Groups > "Google Maps JavaScript API v3" group. > To post to this group, send email to > [email protected]. > To unsubscribe from this group, send email to > [email protected]<google-maps-js-api-v3%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/google-maps-js-api-v3?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-maps-js-api-v3?hl=en.
