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#1 guyver6

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Posted 23 December 2004 - 06:37 AM

Hi there Art Departament! :D

For half a month I'm traversing web looking for information on how to best show our beloved planet Earth, and by the way I've found lots of earth textures.

So what? Well, here are the two sets that can be used and what I ask for is to decide which one suits best for Xenocide. The first one originates from NASA, the second one is J. Hasting's.

NOTE: those shots doesn't come from Xenocide...yet :) I'm going to use the same texturing technique that program uses. It's here, shots are from Enviro program, for which I want to thank Ben Discoe, Virtual Terrain Project Manager.

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Attached File  ev_1.jpg   135.96K   160 downloads Attached File  ev_2.jpg   240.17K   187 downloads
Attached File  jh_1.jpg   185.25K   134 downloads Attached File  jh_2.jpg   244.69K   168 downloads

Edited by guyver6, 23 December 2004 - 06:38 AM.

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#2 SupSuper

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Posted 23 December 2004 - 06:44 AM

i'd say the top one, because it's more "plain" and thus makes it easy to define which areas will use desert terrain, grass terrain, snow terrain, etc.

unless we're going for originality, in which case we should go for the bottom one since EVERYONE uses the top one :P

too bad, now you will never know the ancient secrets of supsupers long gone avatar ;)

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#3 guyver6

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Posted 23 December 2004 - 07:17 AM

unless we're going for originality, in which case we should go for the bottom one since EVERYONE uses the top one :P

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:D Yeah, looks like that top one is very popular. Nevertheless I've found some time ago on our ftp earth (really HQ) which doesn't look like the ones shown here, but it needs preprocessing to be able to map it onto globe. I'm researching pretty heavily how to draw the globe pretty, so maybe during that researches I'll come out with preprocessing tool (it needs to map planar earth texture onto icosahedron faces and output it as separate textures, that then I apply onto sphere).

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#4 mikker

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Posted 23 December 2004 - 07:20 AM

i'd say the top one, unless the lower is 4x the size of the top.

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#5 ATeX

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Posted 23 December 2004 - 07:21 AM

the top one is looking great :) altough the lower ones are looking more clear to me

are you going to add the 3d effect like in the concepts (shadow generation with mountains by the sunlight)? what about moving clouds? :D


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EDIT: added more comment

Edited by ATeX, 23 December 2004 - 07:22 AM.


#6 Guest_Azrael_*

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Posted 23 December 2004 - 07:28 AM

The top one, it looks great :)

#7 guyver6

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Posted 23 December 2004 - 08:15 AM

Ok, I'll go with the Top one then.

As to clouds: no clouds. We want to be able to see Earth clearly, clouds just mess the view. As to bump mapping it'll be there (simple bumpmapping for older GFX cards, normal mapping for programmable GFX cards). Textures are gonna be in 1024x1024 resolution as well as in 512x512 (10 textures used to texture earth, so the 1024x1024 version eat 40 MB of video memory, so for older cards 512 ones gonna be used).

One I must say: Earth's gonna look pretty :).

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#8 red knight

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Posted 23 December 2004 - 09:22 AM

Guyver, I dont know which one you would end up using... However, there is a texture set out there that has specularity added near the ecuator. Be careful that set dont work well with lighting and self shadowing.

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#9 Vaaish

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Posted 23 December 2004 - 12:36 PM

I think the top one is a little more attractive than the bottom one.

#10 Micah

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Posted 23 December 2004 - 01:09 PM

The only advantage I see from the bottom one is that it includes the north pole. Otherwise, the first one is best.

#11 mikker

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Posted 23 December 2004 - 01:11 PM

yeah - copy the northpole from the bottom, to the top! :P

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#12 j'ordos

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Posted 23 December 2004 - 02:03 PM

Nothing I can add here really, just supporting the top texture :)
Overall it seems more attractive than the other one, and since we'll all be spending quite some time watching the planet in the game, it really has to be the nicest we can find ^_^
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#13 Guest_Azrael_*

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Posted 23 December 2004 - 04:01 PM

Ok, I'll go with the Top one then.

As to clouds: no clouds. We want to be able to see Earth clearly, clouds just mess the view. As to bump mapping it'll be there (simple bumpmapping for older GFX cards, normal mapping for programmable GFX cards). Textures are gonna be in 1024x1024 resolution as well as in 512x512 (10 textures used to texture earth, so the 1024x1024 version eat 40 MB of video memory, so for older cards 512 ones gonna be used).

One I must say: Earth's gonna look pretty :).

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<{POST_SNAPBACK}>


How about transparent clouds? (for the future, I'll be just happy to have the globe working), IMO it would be a nice addition for V1, as for visibility we could have veeery transparent clouds.

#14 red knight

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Posted 23 December 2004 - 05:17 PM

Planetscape is supposed to be a computer generated interface, not the real earth ;) . So no clouds (besides it is a pain to create partially creible clouds movement, let it as it is)..

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#15 guyver6

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Posted 23 December 2004 - 07:38 PM

Eh, yes, there's no north pole on the top one. But this isn't something that can't be fixed. :) I'll work on that.

@Red Knight: Oceans specularity may be the option which I consider for making it look prettier. Anyway, I'm planning on using ocean's specularity maps to determine if it's water or no (on that maps water is pure white, while land is black). We can easily check if, for example, ship crashes on water or on land. That kind of map can be also useful for determining country, or coalition, where the ship crashed, ie. make water black and then one color per country, then just simple check what color the crashsite or terror is
on and viola. But that's future plans.

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#16 JakeDrake

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Posted 23 December 2004 - 07:42 PM

Oooh looks like I'm the only one leaning towards the bottom one. The main reason for this is the lighter ocean color that helps distinguish it from space slightly (though I think it might be a little too light). What I like about the top one though is the contrast between the desert and green areas.

I hope noone suggests we do a "The Matrix"-code globe since its a computer generation...=p
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#17 guyver6

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Posted 23 December 2004 - 07:46 PM

Oooh looks like I'm the only one leaning towards the bottom one.  The main reason for this is the lighter ocean color that helps distinguish it from space slightly (though I think it might be a little too light).  What I like about the top one though is the contrast between the desert and green areas.

<{POST_SNAPBACK}>

The space background on our globe is gonna be different, more colors here and there. Those shots don't come from Xenocide, that's why the background is so black.

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#18 Denevive

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Posted 23 December 2004 - 08:59 PM

This may be a foolish question to ask for V 1.0, but is it possible to have the urban light illumination visible in the nightime area of earth? I think it would look very nice, and shouldn't be to difficult to program. If you are unclear as to what I mean, just look at a nightside photograph of earth taken from space. All of the urban centers have lights that can be seen from space.
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#19 tzuchan

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Posted 23 December 2004 - 09:14 PM

/Looks at the bottom Globe
Oh my! is there really as much desert area as that globe suggest? If there is, we better take beter care of Mother Earth!

Back to the topic on hand, I have to go with the flow and agree that the top one looks nicer.
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#20 guyver6

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Posted 24 December 2004 - 02:46 AM

This may be a foolish question to ask for V 1.0, but is it possible to have the urban light illumination visible in the nightime area of earth? I think it would look very nice, and shouldn't be to difficult to program. If you are unclear as to what I mean, just look at a nightside photograph of earth taken from space. All of the urban centers have lights that can be seen from space.

<{POST_SNAPBACK}>

I know perfectly what you mean, I have Earth's lights textures also, and I was thinking of doing it (requires some more work than you think, but is possible). BUT I won't do it from the same reason that I won't do coulds: the earth's surface must be seen even on the dark side. ^_^

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#21 stewart

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Posted 24 December 2004 - 07:05 AM

I like the lower ones. The oceans are brighter. Pictures from space that I've seen have the oceans brighter (of course they have clouds too but whatever).
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#22 Vaaish

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Posted 24 December 2004 - 12:35 PM

where are the textures located? I'll pullthem into photoshop and lighten up the oceans on the top one.

#23 guyver6

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Posted 26 December 2004 - 06:12 AM

Ok, here is URL: http://celestia.h-sc...t.net/earth-vt/. Those textures are cut into 512x512 chunks, but it's nothing we can't fix. I think that we'll use that textures for our Globe.

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EDIT: BTW, See the globe in programming forum.

Edited by guyver6, 26 December 2004 - 06:15 AM.

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#24 Denevive

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Posted 28 December 2004 - 08:10 PM

I prefer the top texture. I looks more "real". I don't think that the oceans being brighter is actually a good thing. I have lived on the coasts for most of my life, and I can assure you that for the most part, after going out a couple of miles from shore, the ocean is not "bright". A brighter ocean might be preferable if we were doing a remake of TFTD for Version 1.0, but since we're doing UFO defense I say that the top texture is far more preferable.
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#25 guyver6

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Posted 29 December 2004 - 04:56 AM

That way or another top one is now on our ftp, you can access it here. In source dir there are unprojected color map, normal map and specularity map. In prepared dir there are two texture-packs, "hi" is 1024x1024 textures, "lo" is 512x512, those are projected onto icosahedron and ready to use in-game.

But the code isn't ready to use them automatically... yet. :)

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#26 mikker

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Posted 12 February 2005 - 05:41 PM

Just found this, NaSA's World Wind. It's simply the same as our Geoscape. But *gasp* it has VERY, i mean, VERY detailed maps. I can see my own house, no kidding!

http://worldwind.arc.nasa.gov/

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#27 Shinzon

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Posted 14 February 2005 - 04:04 PM

yeah i had that program too its real awesome... i could see my entire neighborhood as well as my school... real good stuff...

though i think it wil be difficult to do the same thing with xenocide... it hooks ups to NASA database which is updated every month i think... and then it downloads a more deteailed map of the area you zoomed into...

would be cool if you could zoom in onto a crash site and see the ufo and what destruction it did...

#28 mikker

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Posted 14 February 2005 - 04:44 PM

that's not really what I was thinking of, that would be too extreme. Also, the image becomes really gray and ugly as you zoom in enough.

But before that, the globe is awezome, and you can zoom in quite a bit too.

This is how close you can get before it switches to ugly textures:

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For the part where it stays green, couldn't that be used for our project?

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#29 Beetle

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Posted 14 February 2005 - 05:05 PM

If you don't like "true" color grey ones there are also fake color textures in that program :)
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#30 mikker

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Posted 14 February 2005 - 05:30 PM

i prefer the zoom level that i have made a picture of. The false look too....false?

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