Earth without oceans

[Adirondack]

I've made an Earth texture (jpg & dds/mipmap) without oceans as if the oceans were removed suddenly.
Check it out here

Please note that this is my very first attempt to provide a texture. So don't call me silly if the texture doesn't fit to your taste.

Adirondack

[rra]

Adirondac , I don't know how you did this, and I also assume that
the ocean-floor is not fictitious ,
but: is it possible to get a higher resolution (2K , 4 K , ... ) version of
this map ?
Combining this with a normal or bumpmap of the see-plane would be great.

Anyway , it looks very nice,
thanks for the upload .


René

[phoenix]

yes it's a really cool map and I'm also interested in higher resolutions

[Malenfant]

It'd be interesting to take this to the next level - instead of having the obvious green continents and brown seafloor, try showing what the earth would really look like with no water at all. So there'd be no ice and no vegetation.

Or maybe you could have it with no vegetation but with ice (like Mars), so the ice would cover the whole of the upper latitudes (seafloor included) and high areas.

[t00fri]

Don't you remember that I did this already LONG ago (in 2003!)?

Here's a reminder:







There are more, of course...

[rra]

Fridger,

are these maps available for us users ?
(and if so,how can I get one ?)


René

[ajtribick]

Maybe it would be a good idea to have the ocean floor as an overlay texture in the actual distribution. What kind of quality is the available data?

[Malenfant]

The colouring on these maps isn't realistic though (even on Fridger's), because you can see a definite dark/light boundary at the edge of what was the continental landmass, that makes it look different to the paler material on the continental shelf.

There's no real reason for this - if earth's water suddenly disappeared and you came back to the planet a few thousand years later then I think one would expect the surface to look a lot more homogenous in colour. And a lot greyer too, since the ocean floor is made of basalt which is not pale brown in colour.

[t00fri]

Fridger,

are these maps available for us users ?
(and if so,how can I get one ?)


René

Rene,

in principle: of course, YES. In practice: unfortunately, I have no idea where the respective cylindical projection textures got lost. Remember, I did these 3 1/2 years ago (!) in about 30 minutes of playing with GIMP

Since I don't take this sort of game really seriously, I havn't stored the originals in some safe place.

Of course they may be made much more "realistic" with further work.

Bye Fridger

[bh]

Hehe...I remember them fridge! I also remember Darkmiss did some bathymetric maps around the same time!

[Johaen]

I personnaly like Adirondack's texture. I think it's a good idea to have the earth as it looks now, just minus the oceans. As if all the sudden, poof! the oceans disappeared, and you looked at it then, not 1,000 yrs later. And I agree with a few of the others, a higher resolution texture would be neat to have, and maybe a bump map or normal map.

[scaddenp]

What is your data source for the sea floor? (I can see it is not ficticious). The
best global bathymetry I know of is
ftp://falcon.grdl.noaa.gov/pub/walter/G ... _blend.bi2

Its a 1minute blend of the Gebco bathymetry (properly registered) with the
smith and sandwell predicted bathymetry grid derived from gravity inversion.

[Adirondack]

...instead of having the obvious green continents and brown seafloor, try showing what the earth would really look like with no water at all. So there'd be no ice and no vegetation.
Or maybe you could have it with no vegetation but with ice (like Mars), so the ice would cover the whole of the upper latitudes (seafloor included) and high areas.

What do you think about this version:



This is the current version in comparison:


Unfortunately I'm not able to provide a higher resolution.
If you want to use a higher resolution -> use Fridger's.

@Fridger:
I didn't know that you ever did something like this...

Adirondack

[Malenfant]

That looks a bit better... you still have the dark continents though. There's no reason why what is currently "land" should remain such a different colour to the continental shelf (or the seafloor, for that matter. Sure, there's sediments on the shelf and on the seafloor, but they're not going to look THAT different to what's on a dry, barren surface that was formerly "land".

[ajtribick]

Isn't it that the continents are mainly granitic and the oceans mainly basaltic? If so, wouldn't the oceans have darker rock (on average) than the land?