I also just verified that on Mapy.cz they are rendering both tiles at opacity 1 with the basemap on the bottom and the hillshade on top.
- Beau On Tue, Jun 2, 2009 at 4:55 PM, Beau Gunderson <[email protected]> wrote: > FireBug tells me that your basemap opacity is at 0.7 while the > hillshade above it is at 0.99--and it also seems that in Firefox the > hillshade is on the bottom and that the basemap is on the top and you > are effectively viewing the hillshade through the basemap! > > Was that the intent? I would assume that it would look best if the > basemap were on the bottom at opacity 1 and the hillshade above it had > opacity less than or equal to 1. > > > - Beau > > On Tue, Jun 2, 2009 at 3:58 PM, Colin Marquardt <[email protected]> > wrote: >> Hi guys, >> >> I just cannot live with the fact that "they" have awesome hillshading >> in a slippy map and I cannot replicate it with Mapnik and OpenLayers: >> >> http://www.mapy.cz/#x=132471...@y=138964992@z...@mm=rtp >> >> (that area nicely shows the tile overlays). >> >> All *I* can manage with this kind of layering is >> http://opentiles.com/cmarqu/relief.html?zoom=13&lat=50.9354&lon=14.20458&layers=BT >> or >> http://opentiles.com/cmarqu/relief_flipped.html?zoom=13&lat=50.9354&lon=14.20458&layers=BT >> (layer order changed and opacities adapted.) >> >> When you toggle their "Stínování" layer, the brightness and crispness >> of the map doesn't change much, it just gets hillshading. My map is >> very foggy in comparison. It's most likely not the thinner/smaller >> fonts in my map, since the "Bad Schandau" there is as bold and black >> as possible, but still washed out in the map due to the opacity. Their >> text somehow stays at 100% black. >> >> The relief layer is different of course, but not so much IMO: >> http://m4.mapserver.mapy.cz/relief-l/11_7e60000_8480000 vs. >> http://opentiles.com/cmarqu/tiles_relief/12/2209/1372.png >> >> Does anybody have a guess as to what the crucial difference is? >> >> Doing the hillshading like this could have the advantage of a smaller >> tile size overall, since you could reduce the number of colors needed >> for the roads layer. With an all-in-one tile (roads and hillshading), >> there are too many mixed colors which would get ugly banding if >> color-reduced too much. >> >> (FWIW, my all-in-one tiles are at >> http://opentiles.com/cmarqu/?zoom=13&lat=50.92308&lon=14.16252, done >> with the process that Marcin described a while ago.) >> >> Cheers >> Colin >> _______________________________________________ >> Mapnik-users mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/mapnik-users >> > _______________________________________________ Mapnik-users mailing list [email protected] https://lists.berlios.de/mailman/listinfo/mapnik-users
