[geelimp]

Hey, just a small painting I did as re-search for my next big project; Sahara . But, the sky and the clouds seems to me to have some perspective problems.. or am I wrong? Can one say that clouds have perspective problems ? after all they are just gas, ad can variate alot in size and shape. (am I making any sense? )


gl

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http://www.3dluvr.com/glimp

[Trance-R]

Sahara only has Jet Stream Clouds. Cumulus Nimbus is very rare. There is no perspective problem. But if you want to make your art look realistic, you would go imitate nature, where the clouds are uniform and without any steep angles. The desert looks great. But the cloud on the right side and in the center don't look nice. =) Try not to give them steep angles. The cloud on the left looks really good.

[zapman]

cool image, no VP problems.

Mite want to add in Blue-Gray shadoow for the little hilld in background?

Or how about footprints?


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ZAPmAn
Digitize Design
art, fart, and be smart.

[spooge demon]

Yes, the cloud near the horizon is out. Try this, draw your clouds, just an outline, nothing fancy, in plan view. Project that onto a plane in your favorite 3-d package. Let the map repeat. See what happens to the shapes? Near the horizon things are seen from the side on more than the bottom. They are also smaller. Well, a bunch of stuff happens, but you will see.

Jeez, just a sec..


Here. Too many clouds, but you get the idea. Think about clouds as if they were real objects (they are) and what they look like in plan and side view, and how they area spaced. Whatever type of sky you are painting, it always helps.


[This message has been edited by spooge demon (edited July 16, 2000).]

[General Confusion]

To answer your question about perspective, yes clouds do get perspective. Everything in life has a vanishing point. Take a look outside and you'll notice that as things get further away they get smaller and also loose contrast. You could basically fit your entire created world into a grid. In this grid the intersections that appear further away get closer together, right???? Well this absolutely applies to your painting. The one saving grace to your pic is that there isn't a lot of cloud buildup happening so the perspective won't be that apparent, but it will be there. What I suggest is to paint the clouds as if they are shapes. They should have a side, top, bottom, highlight reflected light, so on and so forth. That is where you could utilize a vanishing point, by showing a dimensional form to the clouds.

Trance-R also makes an excellent point as far as following nature. I never researched enough on the type of clouds in the Sahara, but it definitely is good to have in mind what happens in nature when attempting to achieve realism.

Sorry Spooge, I think I posted this the same time you did, a little overkill. However,geelimp it is very important to keep these foundations in all of your paintings.

[Stolln]

Yep, ditto what Craig said.

I agree, think of the cloud structure (all the clouds in the sky) as just another sphere around Earth. This means that the clouds correspond to distance just as the basic land does. Take a look at how distance affects the perspective of objects far away, mirror that in the sky, and convert it to a cloud shape.

Should work. Or, just do what Craig, the master of everything, said.