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Glassy Terrain
Comments: 0
Horo

20.04.2024, 03:28

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Canada Sky

Canada Sky
Description:	Thanks David for the Barrenmountain.mat. This scene was lit ibl via Blue Sky with Sun 34.hdri. Quality 64, and bryce sun set to soft shadows. I really like the idea of combining the two forces with these perfectly placed sunspots on hdr images and the bryce sun. I struggled a bit with the sky color. I just could not satisfy myself until this particular set of colors.
Added by:	rashadcarter1
Keywords:	rashadcarter1, bryce6.1, psp7, Davidbrinnen
Date:	08.22.2007 18:52
Hits:	3104
Downloads:	77
Rating:	0.00 (0 Vote(s))
File size:	663.5 KB

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spektyr
Member

Join Date: 07.02.2005
Comments: 1010

"We are the Knights who say NIH! You must bring us a shrubbery. Make it a nice one...and not too expensive."
;-)

Actually, those are trees, right? They look too good to be Bryce trees. Then again I can't be sure of that. I'm not too good with Bryce Trees.

I like the scene in general but having that haze and a cloudless sky at the same time looks a bit peculiar.

08.22.2007 19:10

gat
Member

Join Date: 12.21.2006
Comments: 667

The snow on the trees looks very good, and the landscape is vry nice too. The only think is that the frequency of the rock texture on the mountains is too high and its also too repeatable.
nice job!

08.22.2007 19:22

rashadcarter1
Admin

Join Date: 06.04.2006
Comments: 2610

Gat: Yes, the mountain texture is responding to the model shape. I think the material repeats because the mountains are so steep. I should have cut out a waterfall in that tall mountain to give it a sense of activity, while justifying the haze settings a bit more.

Spektyr: The idea behind the haze was that I did not want a sharp horizon line. I wanted the eye not to know where the haze stopped and the sky itself started, as often in bryce renders I feel the haze and sky do not blend well together. Also I figured that this is s very cold place. If there is liquid water then it must be rather fast moving and a bit warmer than the terrain, so I expected there would be haze caused by the evaporation of this slightly warmer water condensing again as it hits the cold air. I have been observing alot of real photographs of landscapes and I'm finding that haze plays a bigger part than I usually expect in larger scaled scenes. Less haze somehow shrank the scene. Less haze is much prettier though, and I love a high contrast, so maybe I will upload the less hazy version.

08.22.2007 19:38

gat
Member

Join Date: 12.21.2006
Comments: 667

rashadcarter can you change the haze color to white? I think it will look ok when you do that.

08.22.2007 19:43

Horo
Admin

Join Date: 05.26.2004
Comments: 4721

Though this is a very nice picture, there are several things that look wrong to me. There is a size issue, the trees seem too small but too pointed to be brushes. The texture on the large mountain appears rough in a fashon like rendered without AA - same for the water. The shadows point in different directions, between (looking a clock) 7 and 10, one on the small island may even point to 5. The haze is a bit strong on the blue side.

What I really like here are the soft shadows, the countryside and the colour of the sky. Though I have never been to Canada, I have those colours outside the window often enough to know that the blue is spot on.

08.23.2007 13:03

rashadcarter1
Admin

Join Date: 06.04.2006
Comments: 2610

Both the hdri sun and the bryce sun are in the same location. The apparent difference in shadow direction comes from the fov and the lumpy nature of the terrain mesh. Not all shadows are falling the same distance, therefore seemingly opposing directions. In many places the terrain rises to meet the shadow.

The haze might be too strong, agreed. I like the color of it though because without it the sky color changes completely. I struggled alot with the sky color, many differnt arrangements. I also did not want a white glowing horizon, as bryce is known for them. Instead I wanted to blur the distinction between where the haze field and the sky came together. I wanted the sky to blend in perfectly with the haze, so the haze had to take on a bluish tint.

08.23.2007 21:58

gat
Member

Join Date: 12.21.2006
Comments: 667

on the contrary bryce is known for Blue Haze, not white. Plus, because its known for it, it doesn't mean we can't use it to create realistic scenes.

08.23.2007 22:25

rashadcarter1
Admin

Join Date: 06.04.2006
Comments: 2610

I've been struggling alot with haze issues lately. I feel that bryce has a weird way of handling haze. I feel that no matter what I do it is either too much or too little. I really wish bryce used some sort of true scaling, it would make haze adjustments so much more precise in reference to real world distances. In this case less haze would have been nice. A less color saturated blue closer to grey might satisfy that need for whiteness. I think it is the blueness that sticks out more so than the lack of brightness. As I look toward the horizon here in New York City, I do not see a white horizon. Yes the sky changes in saturation and brightness, becoming less saturated and slightly brighter near the horizon, but not at all white. The difference seems very subtle, more subtle than bryce images usually illustrate. As is now the eye is drawn upward seamlessly, but the price paid for such a progression is perhaps not worth the impact on the level of realism. This one was a bit of a quickie, just a place to test out snow covering for trees and further test the ibl bryce sun combo. More to come.

08.25.2007 17:25

davidbrinnen
Admin

Join Date: 01.03.2004
Comments: 2224

A striking image, does not feel very realistic but at the same time, not in any way which is detrimental to the overall effect. I like all the choices you've made, particularly the very dark trees against the light background which was a bold move. As for haze, consider using semitranparent altitude sensitive materials applied to 2D planes for a different approach, the issue I have with haze is that sometimes it lights up the deep shadow regions in a disturbingly similar way to ambient channel light.

08.26.2007 14:29

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