may be you can draw the polygon on two pngs with two colors ,then make a custom overlay. swap two images.
On May 12, 5:14 pm, "Alex (cp9)" <[email protected]> wrote: > Hi all, > > i've a big Speed Problem with redrawing / setFillStyles on > GPolygons.fromEncoded. > > I'am adding GPolygons via addOverlay(polygon) to the Google Map. > The Polygons were created by using GPolygon.fromEncoded(); to speed up > polygon/polyline creation by creating them on the server. > > I registered a mouseover event listener on the polygon(s), to change > the color if you enter the polygon with the mousepointer. > > .... > GEvent.addListener(polygon, "mouseover", function(){ > this.setFillStyle({color:'#FF0000']);}); > > ... > > On the mouseout event i set the fillstyle to the origin style. So if > the mousepointer enter the polygon, it will change his color. > > Changing the color works, but is very slow for big polygons. > The polyline contains about 1500 points. They are encoded by the > server. > > Calling setFillstyle on this polygon, lets the polygon disappear and > than it is shown with the new fill color. But from disappearing until > redraw there is a lag from about 1 second. - which is very very much. > If you move the mouse from one polygon to another than both will > disappear than one will appear with its origin fillcolor (mouseout) > and than the other polygon appears with his new hover Color > (onmouseover). This looks very very bad. > > This was very very quick without any recognizable lag when you use > GPolygon without fromEncoded. But than the Polygon needs to load very > long on first time. Because the data to send for a Polygon with 1500 > Points is about 10 times bigger if it is not encoded. And on the > client side you have to create GPoints for all the 1500 Points to > create the GPolyline. This needs long time. > > I hope someone can help me to solve this problem. I already searched > for a solution for a few days, but did not find anything. > > Thank you very much > > Alex (cp9) --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
