[OpenLayers-Dev] Re: Day and night shadow map

[Fixdit]

The input is very much appreciated,
I'm kind of new to Open Layers and feeling my way around. How would I generate the curve? Via a mask or a would this be incorporated into the images pre render?

Many thanks,

Ash

On 20 Jun 2011, at 11:10, Peter Körner [via OSGeo.org] wrote:

> Am 18.06.2011 11:09, schrieb Fixdit: 
> > Hello, 
> > I'm in need of help finding/building a day and night layer overlaid on top 
> > of an Openlayers world map. Much like this Google Map example: 
> > http://www.daylightmap.com/index.php
> > 
> > How would this be achieved using Openlayers? 
> 
> I don't think it's a question of openlayers but one of your tile source. 
> You would need a Tile-Renderer or maybe WMS that renders you such images: 
> http://www.daylightmap.com/tiles/cache/tile_n_3_0_2_1308564480.png
> 
> You can then add them as Tile-Layer with opacity: 0.8 
> 
> > I have some algorithm examples that could kick start things if there is 
> > nothing already out there, but unsure of where to start implementing 
> > something like this with Openlayers: 
> > http://www.astro.uu.nl/~strous/AA/en/antwoorden/zonpositie.html#v526
> 
> It may be possible to add this as vector layer, but you won't get these 
> lights on cities then. 
> 
> Peter 
> _______________________________________________ 
> Dev mailing list 
> [hidden email] 
> http://lists.osgeo.org/mailman/listinfo/openlayers-dev
> 
> 
> If you reply to this email, your message will be added to the discussion below:
> http://osgeo-org.1803224.n2.nabble.com/Day-and-night-shadow-map-tp6490301p6495236.html
> To unsubscribe from Day and night shadow map, click here.



--
View this message in context: http://osgeo-org.1803224.n2.nabble.com/Day-and-night-shadow-map-tp6490301p6495302.html
Sent from the OpenLayers Dev mailing list archive at Nabble.com.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.osgeo.org/pipermail/openlayers-dev/attachments/20110620/f5fdf826/attachment.html