Hi Brad, did not got that about firebug and css, i use chrome. the png
file is generated automatically from rainfall data and the idea is
something like this on web.  that is done with Google Earth
see link

http://screencast.com/t/YjZhYmQ0NTI

see the image is not opaque but the road and landmark information is
there, something like a background image of the map





On May 7, 9:08 am, Brad <[email protected]> wrote:
> Hey Neil - that's a great question that I was actually pondering
> myself.  Not sure how you're implementing everything, but wondering if
> a simple semi-transparent png vs fully opaque might do the trick (but
> it doesn't sound like you want to be manually updating the
> transparency of each image).  Other than that, I couldn't find
> anything off the bat about setting the opacity.  It could never hurt
> to try and pass an opacity param (0<opacity<1).  If that doesn't work,
> you could always try to view the layer in firebug and access it's css
> properties and add the opacity that way.
>
> On May 6, 10:47 pm, neavilag <[email protected]> wrote:
>
>
>
>
>
> > Hi Brad, the example was right about it, but is there a way to set a
> > Z.index or transparency to be able to see Gmaps data over the image..
> > check this link how is implemented right now..
>
> >http://screencast.com/t/NGVlY2QxNj
>
> > thanks again
>
> > On May 6, 9:34 pm, Brad <[email protected]> wrote:
>
> > > I think you might benefit from looking at the docs 
> > > athttp://code.google.com/apis/maps/documentation/v3/overlays.html#Custo...
> > > and the examples 
> > > athttp://code.google.com/apis/maps/documentation/v3/examples/overlay-si...
> > > andhttp://code.google.com/apis/maps/documentation/v3/examples/overlay-hi...
>
> > > On May 6, 6:51 pm, "Norman E. Avila G." <[email protected]> wrote:
>
> > > > Hi, I am starting with GMaps v3 since I think is really usefull for 
> > > > mobile
> > > > access, I have a weather site, but will like to present some data to
> > > > cellphones, actually will like to add this 
> > > > imagehttp://www.hrc-lab.org/CAFFG/realtime/uploads/current_mcidas_06hr_med...
> > > > a map with the town names, so users can see pottential flood areas.
>
> > > > How is this possible, I have managed to place in Google earth but I dont
> > > > know how to put in over a Gmap, Saw the overlay option and the EInserts
> > > > approach but will like to implement in V3 to be able to see in Iphone.
>
> > > > regards and thanks
>
> > > > Norman
>
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