On Sep 15, 12:41 pm, Papa Bear wrote: ,,, > > One last general question: is there a way to set the background to be > transparent? If I could do that, I could overlay these maps on top of > the USGS topos and get native topographic maps on both sides of the > border. In other words, the NRCan maps would cover the USGS topos in > Canada, but not in the US where NRCan produces no layers (at least for > zoom >= 11).
I figures it out. Combining USGS and NRCan maps: 1) set the "transparent" URL parameter for both USGS topos and NRCan Vector (CanVec): &transparent=true 2) set the "format" URL parameter for CanVec: &format=image/png 3) set the "format" URL parameter for USGS topo: &format=image/jpeg 4) add this line to WMCreateMap() if (name=='Topo') tileLayers.push(C_NRCAN_VECTOR.getTileLayers()[0]); 5) create the CanVec map type first 6) create the USGS map type after Bingo! http://picasaweb.google.com/lh/photo/mvR4Ji08zBbRZNNUHp-pdg?feat=directlink Now it's time to take a break from this stuff! --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google Maps API" 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-api?hl=en -~----------~----~----~----~------~----~------~--~---
