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General => Image Sharing => Topic started by: Dune on August 19, 2009, 05:48:17 AM

Title: Another waterfall system
Post by: Dune on August 19, 2009, 05:48:17 AM
Here's my waterfall; a world, a lake as riverbed, and another (slightly higher) lake as the watersurface, displaced by the same painted shader. I found the painted shader the easiest method, tried a distance shader, but that has straight angles. The foam is blended by another painted shader.

---Dune
Title: Re: Another waterfall system
Post by: Dune on August 19, 2009, 05:50:40 AM
PS. The tricky part is of course to paint it so that the fall drops into the water. It's not perfect in this WIP.
Title: Re: Another waterfall system
Post by: Naoo on August 19, 2009, 06:20:19 AM
Hi

Your waterfall looks very real. Excellent!


ciao
Naoo
Title: Re: Another waterfall system
Post by: mhaze on August 19, 2009, 06:44:12 AM
Very convincing, but in my experience the water should be deeper to produce this waterfall and darker. Great work never the less wish I could do as well.
Title: Re: Another waterfall system
Post by: inkydigit on August 19, 2009, 07:28:12 AM
with a few tweaks, this could be perfect....a deeper pool would be great!#
still excellent work here!
Title: Re: Another waterfall system
Post by: Henry Blewer on August 19, 2009, 08:07:17 AM
I think this is great. I agree about the pool needing to be deeper.
Title: Re: Another waterfall system
Post by: N810 on August 19, 2009, 08:42:16 AM
Best Waterfall I have seen yet  ;D
Title: Re: Another waterfall system
Post by: aymenk2003 on August 19, 2009, 09:14:00 AM
Great waterfall ,thing that I can never reach ...
Is that method different of mine ?  ???
Title: Re: Another waterfall system
Post by: rcallicotte on August 19, 2009, 11:59:33 AM
Nearly perfect.  Fine render.
Title: Re: Another waterfall system
Post by: littlecannon on August 19, 2009, 12:02:59 PM
Most impressive Dune. A little more work on the deep pool bit and texturing and you have a winner.
Cheers, Simon.
Title: Re: Another waterfall system
Post by: dandelO on August 19, 2009, 12:24:08 PM
It's kind of like mine but I use a plane, not a lake. http://forums.planetside.co.uk/index.php?topic=5118.0
Good going, I'll try and add some foam to my water, too...
Title: Re: Another waterfall system
Post by: matrix2003 on August 19, 2009, 04:15:10 PM
WOW !  I like this.   Awesome job!!!   :o
Title: Re: Another waterfall system
Post by: Gannaingh on August 19, 2009, 06:01:01 PM
The waterfall is very well executed, although the size of fake stones ruing the sense of scale and make it look like the falls is only a couple feet tall.
Title: Re: Another waterfall system
Post by: Dune on August 20, 2009, 03:18:58 AM
Deeper pool, no problem. Smaller stones, no problem. I'll get to work. The landscape was very basic, as it was the outcome of some tests into waterfalls. I'll put some veggies in there perhaps.

@aymenk: I don't know if it's different, as I haven't looked into your method yet. This is two lakes (you might use planes), one with real water in it and one with some surface layers with the stones attached (get rid of the watershader). Both are displaced by the same painted shader. Quite simple actually.

---Dune
Title: Re: Another waterfall system
Post by: Dune on August 21, 2009, 09:01:28 AM
I deepened the water and did some other stuff, but now I am troubled by the lack of detail under water. Tried another render, but outcome is the same. It's the first time I really notice this, and I remember reading about it somewhere, so I'll click the search button after this.

---Dune
Title: Re: Another waterfall system
Post by: Henry Blewer on August 21, 2009, 09:07:24 AM
I think the water in the pool looks good. The new render's water looks like the water in the Susquehanna; it's only about 7 ft. at its deepest in most places. The color is right. I'm curious how you might change it so it's better.
Title: Re: Another waterfall system
Post by: Dune on August 21, 2009, 09:11:41 AM
QuoteI'm curious how you might change it so it's better.

What do you mean, increase detail underwater? I just found out it's only possible (to what extend I don't know yet) by increasing detail when rendering. This was 0.5 and AA 5, image size = 100% rendersize.
Title: Re: Another waterfall system
Post by: jo on August 21, 2009, 09:13:32 AM
Hi Dune,

Quote from: Dune on August 21, 2009, 09:01:28 AM
I deepened the water and did some other stuff, but now I am troubled by the lack of detail under water. Tried another render, but outcome is the same. It's the first time I really notice this, and I remember reading about it somewhere, so I'll click the search button after this.

You need to increase the detail setting so the underwater terrain renders at higher detail.

Regards,

Jo
Title: Re: Another waterfall system
Post by: Henry Blewer on August 21, 2009, 09:15:50 AM
I was only refering to the next render with the tweaks you have in mind. Frankly, I do not know how to make it better, since I don't see anything wrong in the first place. It looks right to me.
Title: Re: Another waterfall system
Post by: Dune on August 21, 2009, 09:18:02 AM
@njeneb: ah
@ jo; thanks, I just found the post referring to that. I'll give this image another run.
Title: Re: Another waterfall system
Post by: aymenk2003 on August 21, 2009, 09:42:53 AM
that's one is fantastic and we are waiting for more....

NKAID.
Title: Re: Another waterfall system
Post by: inkydigit on August 21, 2009, 09:57:09 AM
damn fine render.....I await the next one eagerly!
Title: Re: Another waterfall system
Post by: bobbystahr on August 21, 2009, 09:58:48 AM
Best waterfall this old hippie has seen so far...well done.. ...
Title: Re: Another waterfall system
Post by: Phylloxera on August 21, 2009, 10:04:38 AM
(http://smileys.sur-la-toile.com/repository/Surpris/surpris-yeux-crie.gif)Pretty, very pretty work! I am admiring!
Title: Re: Another waterfall system
Post by: Tangled-Universe on August 21, 2009, 10:48:31 AM
Looks pretty awesome so far! Quite convincing waterfall!
The strata pattern on the rockformation near the water might use some breakup and/or other details.
Hopefully you will find some time to render it with higher detail settings to get the underwater-surface look better.
The overall scene could as well benefit from slightly higher settings. I see you're still with your own believes regarding that :)

Cheers,
Martin
Title: Re: Another waterfall system
Post by: N810 on August 21, 2009, 10:49:00 AM
Wow that latest render is shurely photo quality.  :o
Title: Re: Another waterfall system
Post by: dandelO on August 21, 2009, 01:10:05 PM
Fantastic! This is looking great!
Title: Re: Another waterfall system
Post by: Seth on August 21, 2009, 01:13:47 PM
woaaaah !!
very good shot !
Title: Re: Another waterfall system
Post by: Walli on August 21, 2009, 02:30:19 PM
veeery, very nice. I only have an odd feeling about the scaling - the waterfall says to me its seven foot high - but the trees surrounding speak a different language.
Title: Re: Another waterfall system
Post by: Gannaingh on August 21, 2009, 03:05:10 PM
Absolutely amazing! My only suggestion would be to make the cloud of water vapor at the base of the waterfall a bit denser, bestdes that this one is spot on!
Title: Re: Another waterfall system
Post by: bobbystahr on August 21, 2009, 06:39:15 PM
Quote from: Walli on August 21, 2009, 02:30:19 PM
veeery, very nice. I only have an odd feeling about the scaling - the waterfall says to me its seven foot high - but the trees surrounding speak a different language.

That's the bee I had in my bonnet...thanx for letting it out Walli
Title: Re: Another waterfall system
Post by: Dune on August 22, 2009, 03:27:42 AM
Well, Martin, I rendered it again last night with higher settings (.65 and AA 7), and at bigger size (2200 x 1000 or so), which took 14 hours. Mainly due to the vapour, and the rendering of trees and other details that hide behind the waterfall (it would still be great if the 'hidden' parts wouldn't have to be calculated). To be honest, the higher settings don't boost the underwater detail very much, I still find it too undetailed. Other settings in the water shader didn't help. And even higher detail settings would take me too long for this fun render.
I roughened the water a tad more (it was too smooth directly after such a big fall), and changed the vegetation colours a bit (and added a washed ashore tree trunk). By coincidence, Darthvader, I happended to indeed dense the vapor.
To me the fall looks bigger than 7 foot, I have no problem with it. Perhaps more foam and flying particles would strengthen the height feeling, but I didn't want too much foam, or you wouldn't see it's water anymore. I played with the idea to add another cloud with very low settings, as multiple drops around the base of the fall, but didn't implement it. It'll work though, I tested it.
I also did a partial render with a boat (and renamed it 'End of Journey'), but got rid of it again, it became too concocted.

It's my desktop now, and I consider it finished. Here's a size reduced update. Time to get on.

---Dune
Title: Re: Another waterfall system
Post by: Dune on August 22, 2009, 03:32:50 AM
PS. There's some shiny artefacts in the rocks (distant parts of the lake shining through?), I still have to clone them away.
PS II. I did try even higher detail settings (.9 and AA 9), but still got the undetailed underwater rocks.
Title: Re: Another waterfall system
Post by: Naoo on August 22, 2009, 06:39:21 AM
Hi

One of the best TG-Waterfalls I ever saw. TOP!


ciao
Naoo
Title: Re: Another waterfall system
Post by: Henry Blewer on August 22, 2009, 03:07:11 PM
The foam near the fall looks great. I think many would call this a photo on other pic sharing sites.
Title: Re: Another waterfall system
Post by: Hannes on August 22, 2009, 06:11:13 PM
Jaw dropped!!
Title: Re: Another waterfall system
Post by: CCC on August 22, 2009, 06:18:37 PM
If you can get the foam shader to break apart a bit along the fall? Maybe a rigid small-scale displacement along the x-axis? to act as spray?
Title: Re: Another waterfall system
Post by: FrankB on August 22, 2009, 06:36:54 PM
Excellent stuff, Ulco. This is a very nice scene. Your attention to detail is what makes this image.
I don't fully "believe" the water fall, but I also couldn't do it any better. 
Love that dead tree trunk on the right shore, and the stone shore on the middle far shore.

Cheers,
Frank
Title: Re: Another waterfall system
Post by: Tangled-Universe on August 22, 2009, 07:08:18 PM
Hey Ulco,

Great looking :) For me it all works together! The water looks very good, just a cool scene.

I wasn't talking about the renderquality of your underwater features, I was talking about renderquality in general.
Seeing this I think you'll have to admit, like the last time some weeks ago, that this looks better in overall.
It really pays off to render with settings higher than 0.5 detail and AA5. Believe me us ;)

Looking forward to see your next piece of work :)

Cheers,
Martin
Title: Re: Another waterfall system
Post by: buzzzzz1 on August 22, 2009, 07:42:39 PM
Mighty Fine Render!
Title: Re: Another waterfall system
Post by: domdib on August 25, 2009, 07:46:37 AM
Great realism - particularly like the water surface nearest the camera. Which tree is this? It's also very convincing.
Title: Re: Another waterfall system
Post by: Dune on August 25, 2009, 08:33:17 AM
I made some trees in XFrog, they're sort of Betula, some dead trees and some Crataegus, just these 3 pops.
Title: Re: Another waterfall system
Post by: mhaze on August 25, 2009, 08:38:15 AM
Excellent, much better with the deeper water.
Title: Re: Another waterfall system
Post by: mani1602 on August 25, 2009, 09:10:11 AM
just WOW! looks like a photo!!
Title: Re: Another waterfall system
Post by: littlecannon on August 25, 2009, 10:40:29 AM
Dune =  :o
Title: Re: Another waterfall system
Post by: bobbystahr on August 25, 2009, 11:18:42 AM
Quote from: Dune on August 25, 2009, 08:33:17 AM
I made some trees in XFrog, they're sort of Betula, some dead trees and some Crataegus, just these 3 pops.

Have you considered posting the .tgd of this to File Sharing as an excellent tutorial on this subject. I have been playing around with this type of scene with no where near your success and would love to look at your .tgd to assess what the heck I'm doing wrong...please think about it mate.. ...
Title: Re: Another waterfall system
Post by: otakar on August 26, 2009, 02:15:12 AM
 :o Top render, absolute beauty. I need to know how one can get such realistic water, let alone the falls. Can't even get halfway there...
Title: Re: Another waterfall system
Post by: Dune on August 26, 2009, 04:28:25 AM
Just read what I wrote before, there's quite a bit of explanation in there. About painted shaders and such. The water is actually quite straightforward, a little extra displacement and foam here and there (thru extra surface layers, attached to water shader-lake), blended by some more painted shaders. The underground (riverbed up the fall) is the same painted shader as the waterfall itself, just a little lower level. Feed this layer into a lake as well, and dump the water shader from this second lake.
Getting the painted shaders just right is the hardest; get the brush size right, paint carefully after pausing a 100% preview (I changed the POV temporarily, for a better overview of where to paint), it's not a perfect (PS-like) way of painting, but it works. The water was falling on some ground at the right side, so I made another painted shader and displaced the ground down some 10 meters at that particular spot, so there would be lake there instead of ground. If you chosse the right spot for a waterfall that kind of straightening out little mistakes would perhaps not be neccessary.

--- Dune
Title: Re: Another waterfall system
Post by: Volker Harun on August 26, 2009, 07:58:34 AM
Agree with all the compliments above.

Only point is that shadowish area. For example the trees seem to have some luminosity which is weird looking. Same with the terrain - I might be wrong with luminosity, but it looks lake pasted, somehow.
Volker ;)