Why didn't you just call the getlength method to get the length of the mvc array and then use the pop to remove the last element until you have cleared it out?
On Tue, Jun 22, 2010 at 4:27 PM, William Choy <[email protected]>wrote: > ince it is something you will probably do quite often. You should make > add a "clear" function to the MVCArray. > > > google.maps.MVCArray.prototype.clear = function (){ > // work backward should be faster > for(var i=this.getLength(); i>0; this.removeAt(--i)) {}; > } > ..... > myMvcArray.clear(); > myMvcArray.push(new google.maps.LatLng(40.6, -73.9)); > myMvcArray.push(new google.maps.LatLng(53.4,117.0)); // will show a > line from NewYork to Siberia > > > Pop is more expensive operation, then removeAt. > > I also get the length once. > > You have to watch out for the order/index which you delete or else > you have a half empty array. > try "myMvcArray.removeAt(0);" or go backward > > On Jun 15, 1:15 pm, Chad Killingsworth > <[email protected]> wrote: > > Standard JavaScript array methods/operations won't work on MVCArrays. > > > > Try: > > > > while(points.getLength() > 0) points.pop(); > > > > Chad Killingsworth > > > > On Jun 15, 11:48 am, Nathan Raley <[email protected]> wrote: > > > > > > > > > Your second one is what I use to clear mine out. > > > > > On Tue, Jun 15, 2010 at 11:44 AM, Jason Sanford < > [email protected]>wrote: > > > > > > Just a quick guess but would this work: > > > > > > myMvcArray.forEach(function(item,index){ > > > > myMvcArray.removeAt(index); > > > > }); > > > > > > If not how about: > > > > > > for (i=0;i<myMvcArray.getLength();i++){ > > > > myMvcArray.removeAt(i); > > > > } > > > > > > I don't know if these work but glancing at the docs ( > > > > > http://code.google.com/apis/maps/documentation/javascript/reference.h...) > > > > that's what I would guess. > > > > > > On Tue, Jun 15, 2010 at 12:29 PM, Pil <[email protected]> wrote: > > > > > >> On Jun 15, 6:05 pm, Nathan Raley <[email protected]> wrote: > > > >> > Did you try points = [];? > > > > > >> Yes, this doesn't work when I say > > > > > >> poly.setPath(points); > > > > > >> i.e. nopolylinewill appear. When I use a MVCArray all works well. > > > >> The MVCArray should be shared alternately between aPolylineand a > > > >> Polygon. This all works well - but I found no way to set the > elements > > > >> of the MVCArray to 0. > > > > > >> -- > > > >> 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]><google-maps-js-api-v3%2B > [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]<google-maps-js-api-v3%[email protected]><google-maps-js-api-v3%2B > [email protected]> > > > > . > > > > For more options, visit this group at > > > >http://groups.google.com/group/google-maps-js-api-v3?hl=en.- Hide > quoted text - > > > > - Show quoted text - > > -- > 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.
