Bryce Optics can be your friend – mini-tutorial

Bryce Optics can be your friend – mini-tutorial

A scripture in the Bible quotes an well-known saying "One sows and another reaps". This mini-tutorial is the result of someone else sowing and me reaping the benefit. If it wasn’t for a question posed by "Ludwigs" in the BryceTalk forum of the DAZ3D community, and Horo’s answer that mentioned the use of Bryce optics to solve the question, this mini-tutorial might never have been blogged at all. My thanks to Horo for his idea, and full credit goes to him. I just tweaked and refined the idea and made it pretty. Of course if anyone out there can add to this idea and improve on it please feel free to contact us at the BryceBlog.

The original question was why the horizon (either the water or land plane) in Bryce was always flat and not curved like a planet should be in real life. The reason is simple: The Bryce "world" is essentially a flat surface that goes off to infinity in all directions and thus will not show a natural curvature. Horo’s suggestion was to use a glass sphere as a "lens" near the camera to distort the image to give a natural curve. I took it a bit further and placed the camera inside the glass sphere and let the glass refraction bend the sky into a planetary curve. There’s how I did it:

Create a new Bryce scene and choose a sky that will suit a planet’s atmosphere
Something like Brinnen’s "Gritty Turbulent Sky" is ideal for this sort of scene with enough haze and fog to give a nice atmospheric layer.
Then select the ground plane and set its material to black (in Bryce 6.1 it is under the "Misc" material library) also set the Diffusion and Ambience channels to 0. This will create lovely velvety space above the planet.
Now for the magic. Create a Bryce primitive sphere and move and scale it so the camera object fits within it.
The apply the "Glass, Standard" material found in the default materials library of Bryce 6.1. (it is also in earlier versions) The natural refractive qualities of the glass wil act as a "lens" to distort the sky.

Just a quick render will already show you the magic starting to happen. I left the grid lines in the screen capture so you can see where the ground plane is and where the glass sphere is in relation to the camera viewpoint.
Now you can add your own extra magic. I browsed the Internet and downloaded a free 3d mesh of the "Orion" shuttle from the science fiction classic movie "2001 – A Space Odyssey". It can be found at the 2001: A Space Odyssey 3D Modelling Archive . I imported the model into Bryce 6.1 and added a couple of lights. (set with a zero falloff to give a harsher outer space lighting effect)
Now the render is almost complete except for one thing. I prefer the planet to be below but it cannot be because the sky is above and the sky is the "planet".The Banking Camera gadget comes to the rescue. It is off to the left just above the Trackball control. Just drag this gadget to the left or right to bank the camera.tutcurve08
Bank the camera 180 degrees…
…and render your final image. Very simple to do, but very impressive results! The positioning of the glass sphere is quite tricky, and lots of glances at the Nano Preview window will be required, and there will be some distortion of any objects like spaceships especially if there are lots of straight lines and geometric elements with straight edges
Save the image (and the scene file!) and import it into your favourite image editing program and add any special effects – like stars, nebulas, laser beams etc.

Here is the final result. From beginning to end this scene took 35 minutes to set up , tweak and render!
I am sure there are many more uses for Bryce Optics. Be sure to let us know if you have discovered something. Horo said himself "Bryce can do everything!"

“Zero” Files

Why have a single Default file when you can have as many as you like?
As you just learned from the "D’ fault with the default!" post you can save a new default file by overwriting the standard Bryce default .br6 file with new settings…but that’s just one file. Do you "always" want to start at the same place? What if you want to do a "Tall Abstract" image? Your new .br6 file won’t be of any help unless you change your .br6 file to the new settings…then every time you open Bryce those will be your new default settings. So how do you get around this?

Create some "Zero Files"…

You want to do an Abstract?

Set up the scene and cameras and everything the way you want then save it as – 0Abstract.br6.
You could have multiple Abstract defaults…such as – 0AbstractTall.br6 – 0AbstractWide.br6 …you get the picture.
Do the same for other scene layouts…Model building…Terrain creator…Seamless Tile maker…Whatever.
Give them a name and slap a "0" (zero) in front of the name.

Why add the zero?

The zero will move all those special default files you create to the beginning of the list of files when you click "open" on the Bryce interface. So now when you open Bryce it will still open the "Default.br6" file…but now all you have to do is click "open" and you will have a list of all your special defaults…easy to find and ready to go.


Bryce Optics can be your friend – mini-tutorial

Commenting on the Blog…

webguyOn the Internet, I am a reclusive hobbit called Hamfast, who likes potatoes, all green growing things and playing with Bryce, Hexagon and who has a consuming passion for JRR Tolkien. In reality I am a retired medical illustrator who has drifted into the dubious job of manager/network guru/computer security advisor and general IT "expert" of the Faulty of Health Sciences for a local university. I am reclusive in nature – like my Internet alter-ego, and prefer spending time in my garden, with my wife and our only child, Christopher, who is almost 11 years old. Playing with computers is a hobby, as is my artwork, but that is all laid out in detail on my website on

So forgive my paranoid nature by enforcing registration before you can comment on the BryceBlog. With the latest update to WordPress, I have a lot more protection from spammer comments and thus I have elected for now to reduce the security level for the blog to allow you all to comment. Let us keep an eye on it and see what transpires. At the first sign of the Blog becoming a comment spam target, I will put other measures in place.

On a more exciting note, if you would like to become a "real" contributor to the Blog and post you own articles on our beloved software – Bryce – then please contact me and we can set up something. We already have the famous Bryce enthusiast – Rosemary Regan – and I have had some interesting mail from others with all sorts of comments and suggestions. These will be integrated into the blog as soon as I have obtained permission to post them.

Bryce Optics can be your friend – mini-tutorial

D’ fault with the default!

I always liked the default scene that Bryce 4 and Bryce 5 loaded when you started the program. It got you into the scene and allowed your to start creating immediately. Then some programmer at DAZ (or perhaps it was a marketing person) decided that the boring old grey infinite plane and the standard clouds wasn’t exciting enough and set the material of the default infinite plane to something that looked more attractive. The problem was that this particular material setting for the ground was rather processor intensive and would take a while to render – a full 2 minutes on my old 3.0GHz Pentium 4!

With Bryce 6.1, when I fired up the program, I got into the habit of immediately going into the Material editor of the ground plane, and selecting the old Bryce Default Material under the Misc…Basic… library. (it is called "Flat Grey") and then beginning my work in Bryce. The resultant render was a lot faster – only 7 seconds from beginning to end!


Very frustrating and a pain in the butt!

Then I remembered something that I had seen on a website somewhere in the dark recesses of my mind from the time of Bryce 4. Somebody had made a comment about a file called default.br4 in the root directory of of the Bryce folder (where the Bryce*.exe is found) and how it saved the defaults of the Bryce start appearence.

So I fiddled around and found out that if you create a scene with your preferred settings (camera angle, default material etc.) and save it as "default.br6" in the root folder of your Bryce installation, Bryce will start every time with this setting. A neat little trick. No doubt others have discovered it, but I wonder if it is common knowledge or documented in the DAZ manual?

Another setting that might be useful is the Edit…Preferences requester in Bryce 6, is the "Launch to previous state" option. Switching it on will set your interface, the size and orientation of the main editing window to the setting you had with the last document you worked on. (I find this useful as I mostly prefer to work in a portrait format window and not landscape.)

Here are two screen grabs comparing the default scenes rendering time as opposed to my optimised version.