Nianwei, How exactly does the GroundOverlay approximate the image for the coordinate system that GMaps uses? Unfortunately, unless I see source or an example, I'm not well versed on different coordinate systems so I can't really build something on my own.
Thanks. On Oct 7, 10:37 am, Nianwei Liu <[email protected]> wrote: > The noaa image is in WGS84 coordinate system, by nature, it can not be > overlay on top of Google base map accurately without a re-projection > of the image itself. > > If re-projecting the image is not an option, you need to approximate > the overlay with a technique that used for image sprites, which is > what groundoverlay does. You break up the image vertically into small > pieces, and apply projection to those individual slices as the > background of a div, not a img element. > > if you want use groundoverlay, you can set the style of the > "pane.overlayLayer" with some sort of transparent, use a fake overlay > to get access to it. Downside is that all overlays will have same > opacity. > > or you can fire an enhancement request via issue tracker and see what > happens. > > On Oct 7, 9:23 am, Josh <[email protected]> wrote: > > > > > The primary reason I'm not using GroundOverlay is because it doesn't > > allow you to set the opacity of the image. Do you guys know of any way > > to do this? Because then my need for a custom class will be null and > > void. -- 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.
