Hey Jonathan,
So I did what I think you are attempting to do just a few months ago on a
project I'm on. We have 1m MrSid imagery served up by WMS and DTED data
served by WCS and with that create a world wide 3D environment. I noticed
you stated you were going to use a color map through WMS and we had done
that, but found out that it was painfully slow with the color map applied.
We use XNA for our 3D rendering but are considering a move to OpenGL or
WebGL in the next year or so. What you want to do can definitely be done
but it takes some time. I can share some C# code with you for parts if you
are more specific in which piece of the puzzle you are working on.
Ben
On Fri, Nov 8, 2013 at 8:51 AM, Jonathan Moules <
jonathanmou...@warwickshire.gov.uk> wrote:
> HI Folks,
> Thanks for all the responses. I think at this point the visualisation
> problem is more one of not really know what client we're going to use (I'm
> struggling to find any good, easy to use, Open Source 3D clients). So I'll
> forgo the visualisation aspect for now.
> I guess I'll just turn it into a WMS heightmap to start with
>
> @Phil, that sounds interesting, I'll have to give it a try.
>
> @Marcus - the web-app you demo'd is interesting. It also kind of works in
> Opera (though you have to out of your way to enable webGL; seems to be off
> by default). Nasa WorldWind can do similar things, though that's Java.
>
> Thanks all,
> Jonathan
>
>
>
> On 7 November 2013 17:06, Sen, Marcus A. <m...@bgs.ac.uk> wrote:
>
>> > -----Original Message-----
>> > From: Jonathan Moules [mailto:jonathanmou...@warwickshire.gov.uk]
>> > Sent: 07 November 2013 15:43
>>
>> > Thanks for your reply. WCS was one option I considered (I dabbled with
>> > it a few years ago). But are there any applications out there that
>> > could use it as a height-layer for draping a WMS over?
>> Not sure if this is the kind of thing you are thinking of and it isn't a
>> ready-to-use end user application but at
>> http://earthserver.bgs.ac.uk/clients/3d/glasgow_geology.html you can see
>> a web client which uses the x3dom library (www.x3dom.org) and WebGL to
>> show a WMS image (the top ground surface layer) draped on a DEM retrieved
>> from a WCS. Well that isn't quite accurate; this version is getting the DEM
>> data from a rasdaman (http://www.rasdaman.org/) WCPS as that allows us
>> to specify a reduction in resolution of the source DEM for retrieval which
>> WCS doesn't. However, we have used WCS (returning data as GML coverages) as
>> well and it also works. This is using some early development code from
>> https://github.com/PHerzig/EarthServer developed for the EarthServer
>> http://earthserver.eu/ project. So this would be an option if you are
>> happy doing some web page and Javascript programming to make something
>> suitable for your own uses. It will get slow if you want to use high
>> resolution DEMs.
>>
>> This requires a WebGL capable browser (and graphics card). I've used
>> Firefox and Chrome, Internet Explorer 11 is supposed to be WebGL capable
>> but I haven’t tested that yet.
>>
>> Regards,
>>
>> Marcus Sen
>> British Geological Survey
>> Keyworth
>> Nottingham
>> NG12 5GG
>> Web: http://www.bgs.ac.uk
>>
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