That's right - the map pans much faster because the browser has already composited the marker icons into the canvas element. Events work as expected because we perform hit detection manually in javascript.
- Ben Android brevity On Oct 15, 2011 4:57 PM, "Martin™" <[email protected]> wrote: > I've replaced scaled size with null in my MarkerImage constructor and > am now seeing canvas elements (using Firebug) instead of img elements. > > Marker click events all working fine too - touch wood. > > The map definitely seems smoother to pan and zoom. > > Martin. > > > On Oct 14, 3:02 pm, "[email protected]" <[email protected]> > wrote: > > On Oct 14, 1:12 am, Martin™ <[email protected]> wrote: > > > > > I agree. > > > > > I tend to use the full MarkerImage constructor and have been > > > specifying a scaled size equal to the original icon size. > > > This means i've unknowingingly been disabling any canvas optimisations > > > for my maps! > > > > > Defintely worth a mention in the documentation i say. > > > > > Can Ben confirm that passing null as the scaled size property won't > > > cause un-optimalised markers? > > > > Beware of this issue: > http://groups.google.com/group/google-maps-js-api-v3/browse_frm/threa... > > > > -- Larry > > > > > > > > > > > > > > > > > I have a marker manager script that needs to get each icon's size and > > > anchor point so my code needs to icon size and anchor in the > > > MarkerImage constructor. > > > > > Passing null as scaled size but passing icon size and icon anchor > > > point will give me canvas optimised markers will it? > > > > > Thanks a lot. > > > > > Martin. > > > > > On Oct 14, 8:56 am, Kristóf Kótai <[email protected]> wrote: > > > > > > This is unbelievable... > > > > I removed the scaling (which doesn't even happen because the original > > > > size is the same as the new size): > > > > > >http://www.viewranger.com/kristof/p3.html > > > > > > And it is really fast... > > > > This should definitely be mentioned in the documentation! This would > > > > help many people a lot! > > > > > > Thanks, Kristof > > > > > > On Oct 14, 12:37 am, Ben Appleton <[email protected]> wrote: > > > > > > > Your code triggers the older DOM markers as it specifies a scale: > > > > > icon: new google.maps.MarkerImage( > > > > > ' > http://viewranger.com/buddybeacon/v2/images/markers/marker_FF0000.png', > > > > > new google.maps.Size(15,20), // original size > > > > > new google.maps.Point(0,0), // origin > > > > > new google.maps.Point(8,20), // anchor > > > > > new google.maps.Size(15,20) // scaled size > > > > > ) > > > > > instead if you pass > > > > > icon: ' > http://viewranger.com/buddybeacon/v2/images/markers/marker_FF0000.png' > > > > > you'll get the faster Canvas markers. > > > > > > > - Ben > > > > > > > On Thu, Oct 13, 2011 at 7:39 AM, Kristóf Kótai < > [email protected]>wrote: > > > > > > > > Hi there, > > > > > > I know this issue has been posted probably a couple of times, and > the > > > > > > answer was always that we should use the clustering lib to avoid > putting too > > > > > > many MarkerImages on the map. > > > > > > > > But my question is something else: If I put 400 Markers (using > the default, > > > > > > Google's marker image as an icon) then why is the map really > fast? And if I > > > > > > use a custom icon, no matter how detailed, if it's transparent or > not, it > > > > > > will be a 100 times slower. > > > > > > > >http://www.viewranger.com/kristof/p1.html(Google'sicon) > > > > > >http://www.viewranger.com/kristof/p2.html(Myicon) > > > > > > > > I tried to optimise the custom icon as best as I could, but when > I found > > > > > > out that even using a 5x5 pixel big icon (non-transparent, only > #ffffff > > > > > > colored pixels) and the map is still unbelievably slow, I started > windering > > > > > > what kind of magic icon does google use? Why can't I create such > a good, > > > > > > optimised icon? > > > > > > > > Is it even possible to create an optimised icon? Or is Google > cheating in > > > > > > someway? > > > > > > > > -- > > > > > > You received this message because you are subscribed to the > Google Groups > > > > > > "Google Maps JavaScript API v3" group. > > > > > > To view this discussion on the web visit > > > > > > > https://groups.google.com/d/msg/google-maps-js-api-v3/-/9fmhHrHRU5UJ. > > > > > > 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. > > -- > 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. > > -- You received this message because you are subscribed to the Google Groups "Google Maps JavaScript API v3" group. 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