Hi, For this you need to use rjs Ajax request. Please refer the following links, you will get an idea.
1. http://railscasts.com/episodes/43-ajax-with-rjs?autoplay=true, 2. http://railscasts.com/episodes/229-polling-for-changes?autoplay=true On Thu, Dec 8, 2011 at 1:10 AM, skrite <[email protected]> wrote: > > Hey all, > i have a google map and i am drawing circles on the map like this.. > > > var latlng = new google.maps.LatLng(35.931387, > -102.31062); > var myMapOptions = > { > zoom: > 12, > center: > latlng, > mapTypeId: > google.maps.MapTypeId.HYBRID > }; > > var map = new > google.maps.Map(document.getElementById("map_canvas"), > myMapOptions); > var infoWindow = new > google.maps.InfoWindow(); > var markerBounds = new > google.maps.LatLngBounds(); > > > <% @mapped_sites.each do |row| > %> > > // main > circle > center = new google.maps.LatLng(<%= "#{row[0]}" %>, <%= > "#{row[1]}" > %>); > siteCircle = > makeMarker({ > position: > center, > strokeColor: > "#FF0000", > strokeOpacity: > 0.8, > strokeWeight: > 2, > fillColor: '<%= "#{row[7]}" > %>', > fillOpacity: > 0.75, > radius: > 560, > map: > map, > center: > center, > radius: <%= "#{row[2]}" > %>, > title: '<%= "#{row[5]}" > %>', > content: '<%= "some contnet > %>' > }); > > markerArray.push(siteCircle); > > my question is, that since the fillColor is going to change from time > to time, i want to update all the colors of the circles periodically. > What i don't know how to do is get the equivelent to the > @mapped_sites because if i could, i think i could just delete the > existing circles and draw new ones. > > How do i get info back from the server periodically to update the > circle colors? > > thanks to all. > skrite > > > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" 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/rubyonrails-talk?hl=en. > -- Regards, L.KarthiKeyan. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" 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/rubyonrails-talk?hl=en.
