This is a great trick, and may be useful elsewhere. Thanks > [The if (gpolygons[a]) and gpolygons[a] = false; are defensive > coding, to prevent any possibility of calling removeOverlay twice on the > same polygon.]
On May 6, 6:21 am, Mike Williams <[email protected]> wrote: > That code creates a new GPoygon that's similar to the original one and > tries to remove that from the map, which fails because it was never > addOverlay()ed. > > What you have to do is keep global references to all your GPolygons. > > var gpolygons = []; // Global > > ... > map.addOverlay(fall); > gpolygons[a] = fall; > > ... > > else { > for (var a = 0; a < fallow.length; a++) { > if (gpolygons[a]) { > map.removeOverlay(gpolygons[a]); > gpolygons[a] = false; > } > } > > } > > [The if (gpolygons[a]) and gpolygons[a] = false; are defensive > coding, to prevent any possibility of calling removeOverlay twice on the > same polygon.] > > --http://econym.org.uk/gmap > The Blackpool Community Church Javascript Team --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" 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-API?hl=en -~----------~----~----~----~------~----~------~--~---
