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Subject: Help required: Night-time skyscape


ObscuroArcanum ( ) posted Wed, 03 November 2010 at 9:10 AM · edited Wed, 27 November 2024 at 4:04 AM

file_461086.jpg

Okay, so I thought I would be able to go ahead on my own, armed with some tutorials and be able to create my image - for anyone who missed my previous post, I have attached the image I would like to recreate, particularly the night-sky with the moon.

The problem is, there are no useful tutorials on the Internet. I've done some Google searches and the majority of the useful looking results lead me to dead sites. There was one tutorial that had some promise - http://pappathan.net/_tut/Bryce_Panoscene/bryce_panoscn.html - but it was badly written and created on an older version of Bryce and I can't follow it.

I was wondering if anyone would have the time to help walk me through some of the rough steps needed to create a night sky. I've been trying for the last three days on my own, trial and error, and I'm ending up in a massive mess. My renders are either gory and painful. Or they are pitch black.

Any help would be greatly appreciated.


pakled ( ) posted Wed, 03 November 2010 at 10:14 AM

Well, the only trick I know is if you turn down the intensity of the stars, and turn up the numbers, the stars get smaller (and in my opinion, more realistic).

I wish I'd said that.. The Staircase Wit

anahl nathrak uth vas betude doth yel dyenvey..;)


ObscuroArcanum ( ) posted Wed, 03 November 2010 at 10:36 AM

Thanks for the tip on the stars, I will try that. At the moment, I have no stars showing up at all. I'm busy fighting with my moon and my water, trying to make the moonlight reflect off the water. Oh, and trying to fix why everything is purple and red


orbital ( ) posted Wed, 03 November 2010 at 10:50 AM

I would use a spotlight to create the light source for your moon. I have a tutorial here that explains how to enhance the light in a scene. It would work just as easily for a night scene although you may wish to reduce the brightness of the spotlight.

http://www.renderosity.com/mod/tutorial/index.php?tutorial_id=2281

I find that when working with Bryce you can get some great results from the skylab but at the expense of illuminating your scene correctly. I'm going to have a play with Bryce and see if I can replicate the image then I'll share the results with you.

 

http://joevinton.blogspot.com/


airflamesred ( ) posted Wed, 03 November 2010 at 11:02 AM

Ctrl + alt and click in the scene for direct placement of the moon. Does this still work in B7?

Orbital will be on top of the matter that much is for sure.


ObscuroArcanum ( ) posted Wed, 03 November 2010 at 11:04 AM

Thankyou so much for that link. I will check it out tomorrow. It's after 3AM now, and my brain refuses to concentrate on Bryce any longer. I managed to make some nice lookin' renders, but nothing at all like what I want.

You're exactly right about the sky lab making nice effects at the cost of lighting. I think that is why all my skies and water were going pitch black and just horrible. I still don't know how I managed to get a purple moon and red sky and blue water - obviously not at the same time, but in various attempts. It does get frustrating when it all seems to be hit and miss with turning the dials of what will work and what won't.

But hey, it's all practice.

Best of luck trying to replicate the image. I will be very interested to know what results you get. But for now - I need sleep.


ObscuroArcanum ( ) posted Wed, 03 November 2010 at 11:05 AM

Quote - Ctrl + alt and click in the scene for direct placement of the moon. Does this still work in B7?

Orbital will be on top of the matter that much is for sure.

 

I found Ctrl+ Alt doesn't work in Bryce 7.... but I discovered Ctrl+Alt+Shift does work for placing the moon/sun in the scene.


orbital ( ) posted Wed, 03 November 2010 at 12:36 PM

file_461101.jpg

Ok this is as near as I can get it. The main problem is that it doesn't matter how hard I try the moon won't go any brighter than that. I tried different skies and setting but in each case the moon ends up like that. Also I decided against using the skylab clouds and opted for volumetric spheres instead. I had to tweak the colour settings etc, but they are far more satisfactory than the clouds the skylab produces because they interact better with light and don't look so flat. I also used the spotlight technique mentioned before. The only way to get better results is to do postwork which I'll explain below.

http://joevinton.blogspot.com/


orbital ( ) posted Wed, 03 November 2010 at 12:48 PM · edited Wed, 03 November 2010 at 12:57 PM

file_461102.jpg

Right a quick tutorial on this enhancement. I rendered two images one with and one without the clouds. In photoshop I opened up the image without clouds and selected a soft brush for the dodge tool. I made the brush about 20% bigger than the moon and then just clicked a few times over the moon to increase its brightness and glow.

Next I took the image with the clouds and dragged it over the original as a seperate layer. I set the blend mode of this layer to overlay then flattened the image. The overlay really overdoes the contrast so I duplicated the flattened image opened filters and selected guassian blur. I set the amount at 12 , clicked ok then set that layer to screen with opacity set at 60%. Then I flattened the image again before wisping the edges of the clouds with a splatter brush selected in the smudge tool.

http://joevinton.blogspot.com/


orbital ( ) posted Wed, 03 November 2010 at 12:54 PM

 Just another tip when using Bryce star fields. If you pull the perspective out a couple of clicks on the camera the stars will look more realistic. You may have to adjust any models in the periphal vision by tilting them to look straight. Otherwised they can appear stretched and as if they are leaning.

http://joevinton.blogspot.com/


skiwillgee ( ) posted Wed, 03 November 2010 at 8:51 PM

You may already have figured this out: turning up haze will block visibility of stars.

I have never tried the spotlight trick Orbital suggested.  I have only lined up radial lights along the water surface to get the reflections effect. His method seems to be a simpler way.


grafikeer ( ) posted Thu, 04 November 2010 at 12:48 AM · edited Thu, 04 November 2010 at 12:54 AM

file_461138.jpg

How about this...take a sunset preset(in this case I used Red Sunset).In the box to the far left at top,change the sun glow,and horizon colour to dark blue/black,sun colour to black .Change the shadow ambiance,sky dome and haze settings to dark blue/black,cloud colour to grey and sun colour to very pale blue/grey.In the skylab(cloud icon)...under the cloud heading,click on the edit button below the cumulous cloud box,click on "noise" and change clouds to 3D,click check and exit.In the sun/moon settings(this is using Bryce7Pro)increase sun intensity to around 340 and reduce the specular setting to 48.The sun now acts as your full moon,although you will have to add stars in a paint program since they don't appear in a day setting.


grafikeer ( ) posted Thu, 04 November 2010 at 12:52 AM

file_461139.jpg

Same image with saturation and level adjustments,brush with outer glow selected for stars(all in Photoshop)


ObscuroArcanum ( ) posted Thu, 04 November 2010 at 12:57 AM

Wow!!!!

Both images are just incredible!

@grafikeer - that is a cool looking effect you've got there. I will have to try it. While it does have the moon/sun show up very well, it doesn't have the night-time glow about it that I'm after. I'm looking for a more ethereal quality with the night-time scape, which orbital has captured very well with the blue tinge to everything.

I think I would be putting the stars in during post-work unless tweaking with Bryce's settings make them look more like stars and less like little dots on the screen. I have a plug-in for Photoshop that makes very realistic stars so I can sneak them in there. :)

@ orbital - that is exactly the kind of look I'm after! The night-time glow, the bright moon, the wisps of cloud and the ethereal glow that shines over everything. A cool white light would be better, but the blue does look incredible!

I will give it another try today to recreate the scene... but I'll probably have to send up a flare for some advice with what options for the sky and such that you used. But if you got the intensity of the image from post-work, then I won't worry so much if my renders don't look right with being dull and flat. (A purple moon might be a bit of an issue though)


ObscuroArcanum ( ) posted Thu, 04 November 2010 at 1:00 AM

grafikeer- the ripples and texture of the water looks amazing. And making the adjustments in Photoshop make the sky/moon really pop when the mountains are more silhoutted than they were originally.

And the softer, more pastel blue of the sky makes it look more of a night sky.


pipp44 ( ) posted Thu, 04 November 2010 at 5:31 AM

Quote - Ok this is as near as I can get it. The main problem is that it doesn't matter how hard I try the moon won't go any brighter than that. I tried different skies and setting but in each case the moon ends up like that. Also I decided against using the skylab clouds and opted for volumetric spheres instead. I had to tweak the colour settings etc, but they are far more satisfactory than the clouds the skylab produces because they interact better with light and don't look so flat. I also used the spotlight technique mentioned before. The only way to get better results is to do postwork which I'll explain below.

 

I had a little play and came up with this...All Bryce.

 

moonGlow



ObscuroArcanum ( ) posted Thu, 04 November 2010 at 6:55 AM

That is a very nice effect on the water, pipp44... very rough looking water.

I haven't managed to get back into Bryce yet today- had a major disaster on my domain that I've been trying to fix. But I'm itching to get back into Bryce and get this night scene sorted.


ObscuroArcanum ( ) posted Thu, 04 November 2010 at 8:36 AM

file_461149.jpg

I finally had another go at this image tonight, and I'm quite pleased with my progress so far... I am extra pleased with what turning off "Haze" did. Turning off haze made my image go so much darker! But I've gotten lost and need some advice.

Orbital's method of using the "volumetric spheres" instead of the Skylab, which I agree with since the clouds are rather flat and don't behave well in Skylab - or they don't behave well for a newbie like me - how exactly do I set up a "volumetric sphere"?

I can guess it's one of the tools on the top bar, but which one? Create Sphere? Create radial light? Create dome light?

If it is the "Create Sphere" option, are the clouds one of the texture options... like the glass? I'll continue to have a play around - I'm about to try the spotlight that orbital suggested but thought I'd ask about the sphere thing and to show you what I've managed so far.


ObscuroArcanum ( ) posted Thu, 04 November 2010 at 9:11 AM

file_461150.jpg

This probably isn't the correct way of controlling the spotlight's intensity, but I am angling it in my picture so it isn't slamming down onto the water- I got a very nice bright blue body of water from that.

But I like the look, so the 'how' I got it for a very simple scene is probably irrelevent.


ObscuroArcanum ( ) posted Thu, 04 November 2010 at 10:44 AM

file_461160.jpg

This is what I have so far tonight. I've spent the last 1 and a bit with the sphere's and clouds and getting absolutely no further than having either a giant blob on my screen or little patches of cloud.

Orbital - Do you remember what settings you used for the clouds?


skiwillgee ( ) posted Thu, 04 November 2010 at 12:20 PM

I like grafikeer's approach but if you would rather continure on the path you are taking, a couple suggestions might help.

Use soft edges on your spotlight (click the little "E" when you have a light selected to get into the light edited screen) but beware this lengthens render time tremendously.

Increase the bump frequency of your water mat.

To make the clouds using spheres, make very large spheres and play with the "base density" slider in the material lab.

Special note: avoid overlapping cloud spheres with each other or other objects.  It can cause some ugly artifacts.


skiwillgee ( ) posted Thu, 04 November 2010 at 12:23 PM

Another thing I forgot to mention.  If you like a small amount of horizon haze in your scene you can always adjust the color of the haze and reduce its intensity value very low.


orbital ( ) posted Thu, 04 November 2010 at 3:25 PM

I used the fluffy clouds material in volumetric menu. I am using B5 btw, so you will have a different set of menus to me. The trick is to edit the colours of the cloud in the mat lab.

I just changed the ambient and diffuse colours to resemble the image you are recreating. The problem you may have is that your sky is different to mine so interaction may be different. Looking at your water I would turn the specularity of that mat down a bit then the light reflection would not seem so harsh.

Other things to consider is adjusting the camera angle, make the terrains further away but bigger. The scale of the water waves suggests the terrains are too close compared to what you are trying to portray.

I know that sounds like I'm picking on your efforts, but I am impressed with how far you've come. When we all started out it seemed like a nightmare. Like a child learning to talk!

http://joevinton.blogspot.com/


orbital ( ) posted Thu, 04 November 2010 at 3:27 PM

P.S I think grafikeers method is brilliant btw, and would be an easier route for you to follow. I'm sure he'd let you have that sky setting to if you asked him.

http://joevinton.blogspot.com/


skiwillgee ( ) posted Thu, 04 November 2010 at 7:49 PM

file_461228.jpg

I still like grafikeers approach best but here is my attempt using a string of radial lights.  The clouds are simplistic and I used volume cloud in a large cube.  A better copy of the exampled clouds would have taken longer to render and definitely a longer time for me to achieve. I'm not that good in DTE.

This is 800X640 using standard lighing/reg AA--render time 1min 10sec


skiwillgee ( ) posted Thu, 04 November 2010 at 7:50 PM

file_461229.jpg

Same scene with IBL lighting-- render time 1hr 10min


grafikeer ( ) posted Thu, 04 November 2010 at 9:20 PM

If you want the sky setting,it's yours!Just site mail me your email address and I will send it off!


grafikeer ( ) posted Thu, 04 November 2010 at 10:49 PM · edited Thu, 04 November 2010 at 10:50 PM

file_461235.jpg

Here's the same sky settings,with Orbital's spotlight idea added,and different water and terrain textures.Some postwork in Photoshop for colour correction and additional stars(found that they showed once I pulled the camera back in the scene).


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 2:19 AM

I'll keep the files I have so far but I think I will start again and follow grafikeer's approach and see how I go. (I might not get such freaky results with the colour with guidelines to follow instead of just going off on my own)

The blue is pretty... but the last time I checked, on planet Earth, water doesn't get that bright at night, hehe.

@Orbital - I don't mind that you're picking my work apart. You're pointing out what can be done better, and offering suggestions of what I can try to get the effect I'm after. It probably helps you to guide me in the right direction because you've seen what I'm aiming towards, instead of just a vague "I have this idea and it won't work".

I know getting everything placed and the camera moved around is my weak spot. The images I posted, the basic concept is there, but it just needs fine tuning. The sense of distance isn't really achieved when there are massive waves/ripples at the base of the image.

And while a big moon probably isn't going to be realistic, the moon is the focal point of the image- the image is built around the moon and the moonlight, so for that point I want to keep it as large as possible but without it taking up 80% of the image.

@grafikeer - site mail on it's way. Thanks!!!!

Back to Bryce I go and see how big a mess of this I can make today grins


orbital ( ) posted Fri, 05 November 2010 at 3:10 AM

I don't know if your camera is set up properly. When Bryce opens have the default camera set as directors. Also for some reason the camera is set at a 135 degree angle compared to any objects you create. This makes orientation very hard when building scenes. Anyway if thats the case have a look at this. Also there is some very good tutorials on there to try.

As a pointer do as many tutorials as possible doesn't matter if they not related to the scene you want to build. It will help you learn more features and help you get orientated.

http://brycetech.daz3d.com/

http://joevinton.blogspot.com/


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 3:30 AM

I toggle between Directors Camera, Camera view and Top view- Top view is mainly for the hills and such, moving those away from the camera.

I will check out that link right away. Thanks, orbital!


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 9:10 AM

file_461248.jpg

I've had another crack at this more or less following what grafikeer did, but something occured to me while I was toggling the settings. If I can line up the sun and the moon size - for some bizarre reason, even though the settings are the same, the sun is bigger than the moon - I can merge them together and utilise the light given off from the sun, but still getting the texture of the moon and some of the hue from that night scene.

I probably really don't need to do this, but just playing, this is what I got by merging the two together.


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 9:11 AM

file_461249.jpg

And this is the sun originally.

Just for the sake of simplicity, I have left out the mountains until I get the sky right.

I'll keep at it. I will get there eventually with this picture :)


peedy ( ) posted Fri, 05 November 2010 at 9:44 AM

Starting to look great!
Add some clouds and it will look a lot better still.

Corrie


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 9:50 AM

Heh, thanks Corrie. Clouds aren't a top priority just yet... but I am pleased with how it's coming along


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 10:31 AM

file_461253.jpg

MASSIVE thankyou to grafikeer sending me the sky preset file!

This is what I am closing with tonight and I think it's really looking good. I was trying to place a spotlight to reflect off the tops of the icebergs at the back, but that was proving very difficult to get it positioned properly and if I don't stop I'll be still at it at 3 in the morning.

But the iceberg in the foreground does have a light. What messed up the background ones was that I moved them further from the camera, to open up the scene a bit so everything wasn't crowded around the front but now I can't seem to get the light to touch them.

Oh well.

Tell me what you think of this one :)


grafikeer ( ) posted Fri, 05 November 2010 at 9:15 PM · edited Fri, 05 November 2010 at 9:16 PM

This is looking good,and you're welcome ...a trick I use(and it's primitive I know) in order to get my spotlight lined up with the sun,or in this case the moon,is to quickly render enough to get the exact position of the light source,put your finger on it,click wireframe mode and move the spotlight to line up with  your finger. This gets you in the right area,and you can tweak from there...of course,you have to wipe off the screen a lot,but them's the breaks! I think you are getting close!


grafikeer ( ) posted Fri, 05 November 2010 at 11:09 PM

file_461282.jpg

This one is as close as I could get...no postwork except sig and resizing.I removed the haze,slightly modified the sky and decreased the size of the moon,as well as lowered the disc glow intensity.


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 11:18 PM

There is an easier method to get the spotlight lined up with the moon/sun- just line the spotlight up with the asterisk that marks where the sun/moon are in the image. Of course it didn't help really when I moved the mountains back away from the camera - a different image to the one I posted - but I'll have another crack at it today.


ObscuroArcanum ( ) posted Fri, 05 November 2010 at 11:20 PM

Wow!!! That is an incredible recreation... I love it! With making the layout portrait, you really get a sense of scale and distance.


peedy ( ) posted Sat, 06 November 2010 at 12:57 AM

WOW, you two are making some awesome scenes here!
Looking really good to me.

Corrie


ObscuroArcanum ( ) posted Sat, 06 November 2010 at 3:12 AM

Thanks, Corrie!

I'm doing my best working this program out- I am really pleased to see how everything is finally starting to click together. I don't think I will be making anything but night scenes for a while. Each time I start fresh, I get a completely different result. I'm learning a lot about this new program :)


peedy ( ) posted Sat, 06 November 2010 at 9:11 AM

That's the way I learned it, too.
Keep trying and learning.
Don't forget to have fun with it, too. :-)

Corrie

 


ObscuroArcanum ( ) posted Sun, 07 November 2010 at 5:55 AM

file_461310.jpg

Well, here is my final product. (For the time being since I will have to do the stars properly when I get my Photoshop plug-in working again)

I have played around with many skies and waters, and so far haven't found the magic combination to give me something light enough to post-work the hell out of it, and still keep the moon. But for now, I like this final result.

Thanks to everyone who helped me out. And especially thanks to orbital and grafikeer for their input - and for grafikeer sending me the full moon preset. (It seems to be my favourite sky right now because I know it works :) )


peedy ( ) posted Sun, 07 November 2010 at 8:16 AM

Gorgeous!
Maybe you can put the moon partly behind the cloud a bit for a more mysterious effect?
Well, that's my idea. :-)

Corrie


ObscuroArcanum ( ) posted Sun, 07 November 2010 at 8:21 AM

Yes, I think I will do that- now I've figured out what I'm doing in post-work with the moon, I'll play a little more with the clouds.


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