[OpenLayers-Dev] NASA World Wind in Openlayers

Nathan Gerber ngerber999 at gmail.com
Wed Nov 17 10:57:04 EST 2010


The layers are likely in the zoomify format so you may want to research how
to use zoomify layers in OpenLayers.
--
Nathan Gerber


On Tue, Nov 16, 2010 at 6:32 PM, <maw269 at gmail.com> wrote:

> Thank You Nathan...I now have access the the NASA WMS in openlayers!
>
> Any idea on how I would use the downloaded data pack in openlayers? Is that
> possible?
>
>
>
> On Nov 15, 2010 7:48pm, Nathan Gerber <ngerber999 at gmail.com> wrote:
> > Matt,
> > >
> > For using the World Wind WMS layers you referenced this is what you would
> add to your map assuming that you are using the default projection for
> OpenLayers (EPSG:4326)
> > >
> >
> > var nasa = new OpenLayers.Layer.WMS("NASA WMS Service",
> > "http://onearth.jpl.nasa.gov/wms.cgi?",
> >
> >
> > {
> > layers: 'global_mosaic'
> > , styles: 'visual'
> >
> >
> > },
> > {
> > tileSize: new OpenLayers.Size(512,512)
> >
> >
> > }
> > );
> > map.addLayer(nasa);
> >
> >
> >
> > In the link you posted go to the "GetTileService" When you view the XML
> take note of the comments in the TilePattern tags. For example:
> >
> >
> >
> >
> request=GetMap&layers=daily_afternoon&srs=EPSG:4326&format=image/jpeg&styles=visual&width=512&height=512&bbox=-180,-166,76,90
>
> >
> >
> >
> > In the above example you would take layers=daily_afternoon and use the
> daily_afternoon as your layers in the OpenLayers definition. Styles is not
> necessary unless you are looking for a specific theme. If so look in the
> above example string again and you will see styles=visual, visual is what
> you would specify in the styles definition for OpenLayers. Be sure you use
> the tileSize definition that matches the width and height from the
> TilePattern string.
> >
> >
> > The WorldWind example you reference is accessing the remote WorldWind
> server for the tiles. It is not intended for accessing a copy of the data
> that you downloaded.
> >
> >
> > --
> > Nathan Gerber
> >
> > >
> > On Mon, Nov 15, 2010 at 4:33 PM, maw269 at gmail.com> wrote:
> >
> >
> > I have 2 questions:
> >
> >
> > 1. Is it possible to show World Wind WMS Layers from OpenLayers as in
> http://onearth.jpl.nasa.gov/tiled.html?
> >
> >
> > I can hit their wms from my browser:
> >
> >
> >
> http://wms.jpl.nasa.gov/wms.cgi?request=GetMap&layers=global_mosaic&srs=EPSG:4326&format=image/jpeg&styles=visual&width=512&height=512&bbox=-180,-166,76,90
> >
> >
> > but can't seem to connect to it using any of the
> openlayers.layer.classes.
> >
> >
> >
> >
> >
> > 2. I also downloaded the NLT Landsat 7 Visible Color-Level 0 cache pack
> from http://www.worldwinddata.com/
> >
> >
> > How do I use OpenLayers.Layer.WorldWind to show that layer? I looked at
> http://openlayers.org/dev/examples/worldwind.html but was even more
> confused after looking at that page's source.
> >
> >
> > The cache pack uzipped to my harddrive as a folder entitled '0';
> subfolders entitled '0015' through '0075'; and then images such as
> '0015_0046.jpg'
> >
> >
> > Thanks,
> >
> >
> > Matt
> > _______________________________________________
> >
> >
> > Dev mailing list
> >
> >
> > Dev at lists.osgeo.org
> >
> >
> > http://lists.osgeo.org/mailman/listinfo/openlayers-dev
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
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