On Dec 4, 1:18 pm, teknocreator <[email protected]> wrote:
> Bratliff - I can't post a link just yet due to restrictions on the web
> server I work with.  However, I'll post more and probably some code
> after I see about experimenting more with CANVAS and using what you
> sent.  I don't want info on Google's images/maps, but the overlays I
> create.  After working with this for a bit now, I'm actually surprised
> more properties/methods aren't available with the overlays.  To me
> there should be built in methods to control the opacity (had to cobble
> something together for that) and also gleam information from them.  Or
> at least somehow build a legend based on them (maybe that's out there
> and I just haven't gotten there yet).  Otherwise (and especially
> without opacity), they're just something to look at while covering up
> other information you might want to see at the same time (i.e. GM Map
> Types).
>
> I think IE 9 is supposed to support CANVAS, but it's still in beta.
> There is a work around JS script file called excanvas.js.  But, it
> doesn't contain some of the functionality needed with CANVAS and I've
> also read that certain operations can really slow down a page.


Unfortunately, excanvas.js just translates CANVAS  to VML.   iF
> If CANVAS doesn't work, there are a few other things I might be able
> to do.  The server-side mapping suggestion may be something to check
> into.  If a user clicks to retrieve on the map, server retrieves info
> at that point from the overlay field info that would be stored on the
> server.  Maybe create an info window at user click location with the
> overaly info.  It wouldn't be realtime sampling with the mouse, but it
> would allow a user to get some useful info about the overlay field.
> Just thinking outloud.
>
> Anyway, I'll be back if I continue to run into walls.  Thanks again
> for your help!
>
> On Dec 3, 2:10 pm, bratliff <[email protected]> wrote:
>
> > On Dec 3, 6:52 pm, teknocreator <[email protected]> wrote:
>
> > > Thanks!!  I did find CANVAS and have been attempting to use it with
> > > Google Maps without much success I'm afraid.  But, perhaps there's
> > > something I can gleam from your example to see where I might be going
> > > wrong.
> > > I've obviously been trying to run when I should be walking or crawling
> > > first here.
>
> > > Thanks again!
>
> > Can you post a link ?
>
> > If it is your image, you can scrape pixels.  If it is Google's, you
> > cannot.  Internet Explorer might offer something similar with
> > "filters".  Microsoft pigheadedly refuses to support CANVAS.

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