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Moon Surface Tutorial
Posted: 16 August 2012 04:39 AM   [ Ignore ]
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Being a bit of a Sci Fi junky I just looked at part one of a three part tutorial on making a Moon Surface in Vue at geekatplay, I thought It might be possible to transpose the techniques, but found it was a bit more than I can understand.
Does anyone know if there is a Moon Surface tutorial in Bryce?

Thanks in advance

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Posted: 16 August 2012 04:57 AM   [ Ignore ]   [ # 1 ]
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Are you looking for something like that: http://www.bryce5.com/details.php?image_id=578 - not very good, made it 8 years ago.

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Posted: 16 August 2012 04:58 AM   [ Ignore ]   [ # 2 ]
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Being into the Moon also, I’ve never come across a tut., on creating moon surfaces, however, it is possible, and quite easy.

Once you have a lunar grayscale DEM, it’s simply a matter of replacing a terrain mesh with the DEM. That is, in Bryce, create a terrain, click E, goto picture tab. In the first thumbnail box (on left) click load, choose the DEM you have in your own computer file, then do the same again for the second thumbnail box (in middle), finally, click apply. Done! You can afterwards apply a Bryce terrain mat on top of it, or use any of the mats available.

The only problem with Byrce terrains, in general, is that you can’t produce a curved terrain to follow, say, the curved circumference of a planet. There is a small workaround where one can apply a small curvature to the terrain (won’t go into it right now), but doing so lowers the terrain, and, really, it doesn’t suit if you want a whole realistic planet with raised terrain, mountains etc. that you might want to zoom in on with a camera etc.

Hope that’s of use?
Jay

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Posted: 16 August 2012 05:09 AM   [ Ignore ]   [ # 3 ]
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For a curved horizon, there is always the possibility to use a lens in front of the camera.

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Posted: 16 August 2012 05:18 AM   [ Ignore ]   [ # 4 ]
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Horo - 16 August 2012 04:57 AM

Are you looking for something like that: http://www.bryce5.com/details.php?image_id=578 - not very good, made it 8 years ago.

Yes Horo that’s very close to what I was looking for.
The VUE tutorial was very in depth showing how to make the craters etc;


@Jamahoney

Sorry for being dumb, but what is DEM ?

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Posted: 16 August 2012 06:12 AM   [ Ignore ]   [ # 5 ]
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What is a DEM?

Oops, sorry. DEM stands for Digital Elevation Model, and what it essentially is is a grayscale representation of a terrain’s surface and elevation; where the various shades of grays to white to blacks have been calibrated to a particular elevation. So, one shade of a lighter gray might stand for 20 m in elevation, another darker shade of gray might stand for 10 m in elevation, a darker shade again might stand for 5 m…etc., You get the drift.

White in the grayscale are usually the highest elevations, while blacks the lower. It’s similar to what Bryce is doing with their terrains, in that, when you create one, they are giving you a grayscale version. Only difference with the DEMs is that they are calibrated, that is, the colours (grays to white to blacks etc.,) all have been allocated specific elevation values according to the different shades. This is just the technical side to DEMs, however, I think they might still be what you’re after for use in creating simple lunar terrain that doesn’t require any specifics.

So in that case, they would be ideal for you, as you can still play around with reducing the elevations, or adding several DEMs together (if Bryce doesn’t crash in the process). The DEMs are all in 16-bit format, so they are ideal, because if you go any lower to, say, 8-bit, then they are useless; if you want to avoid ‘stepping’ effects.

Images below might give you an idea as to the power of DEMs (top is an example of a DEM, bottom two shows a Bryce terrain mat overlaid on it, each from different camera views. Here’s a link to the lunar DEMs (http://imbrium.mit.edu/BROWSE/LOLA_GDR/CYLINDRICAL.html).

@ Horo
Yes, quite correct, and there’s another option of creating a rounded Bryce terrain and adding it into the terrain. But, they still aren’t suitable, in my opinion.

Jay

 

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Posted: 16 August 2012 08:23 AM   [ Ignore ]   [ # 6 ]
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shaykall - 16 August 2012 05:18 AM

Yes Horo that’s very close to what I was looking for.
The VUE tutorial was very in depth showing how to make the craters etc;

Good. I did that moonscape with the help of a tutorial. I’ll try to unearth it when I get home.

Digital Elevation Maps are great if you want to do something real. Jamahoney is indeed the guy who can help you here. I have used DEMs at times but haven’ become an expert on them. Here some examples:

Mars
Valles Marineris: http://www.bryce5.com/details.php?image_id=4133
Nix Olympica Cyane: http://www.bryce5.com/details.php?image_id=1453
Olympus Mons: http://www.bryce5.com/details.php?image_id=577

Moon - page only in German, pictures also in English smile
North Pole: http://ago.astronomie.ch/volume6/page7/np.html
South Pole: http://ago.astronomie.ch/volume6/page7/sp.html

Venus
Aphrodite Terra: http://ago.astronomie.ch/volume6/page7/vb.html
Beta Regio: http://www.bryce5.com/details.php?image_id=591

Hawaii
http://www.bryce5.com/details.php?image_id=571

 

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Posted: 16 August 2012 10:22 AM   [ Ignore ]   [ # 7 ]
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Ok, I located the tutorial I had used. The site is down, the name available. I had to scan the print I had made at the time. There is a zipped PDF of this tutorial available for a few days on this link:

http://www.horo.ch/guestxchg/PeterSharpeTut19.zip  (1.2 MB)

Those interested can get it by clicking on the link. It won’t stay there forever, better act now.

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Posted: 16 August 2012 01:56 PM   [ Ignore ]   [ # 8 ]
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Horo, those are quite nice renders, too…I recall seeing your Mars’s render before, which still have got a great atmospheric feel to them.

@shakall
DAZ seems to have a package for DS3 (http://www.daz3d.com/shop/lunar-craters-moonscape/), however, I have no idea as to how good it is - but I’m sure that you could import the DS work into Bryce. Horo’s suggestion might be your best bet, I think, (I’ve seen a 1999 Peter Sharpe version, but it’s really a basic introduction to creating craters), if it’s just that you’re wanting to produce a simple moonscape.

Cheers
Jay

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Posted: 16 August 2012 04:04 PM   [ Ignore ]   [ # 9 ]
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There are also several ready made ‘crater’ brushes for Photoshop, but you’ll have to do a Google search for them as I don’t have links to hand.
Then you could paint your own lunar surface in Photoshop to import into the terrain editor.

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Posted: 17 August 2012 03:00 AM   [ Ignore ]   [ # 10 ]
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TheSavage64 - 16 August 2012 04:04 PM

There are also several ready made ‘crater’ brushes for Photoshop, but you’ll have to do a Google search for them as I don’t have links to hand.
Then you could paint your own lunar surface in Photoshop to import into the terrain editor.

If you do that, make sure the image is in 16 bit greyscale and you are also edit in that. If you go for 8 bit, you get steps.

 

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Posted: 29 August 2012 08:57 AM   [ Ignore ]   [ # 11 ]
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Horo - 16 August 2012 10:22 AM

Ok, I located the tutorial I had used. The site is down, the name available. I had to scan the print I had made at the time. There is a zipped PDF of this tutorial available for a few days on this link:

http://www.horo.ch/guestxchg/PeterSharpeTut19.zip  (1.2 MB)

Those interested can get it by clicking on the link. It won’t stay there forever, better act now.

Peter Sharpe’s tutorials are still available, thanks to the Internet Archive - http://web.archive.org/web/20080205024058/www.petersharpe.com/Tutorials.htm smile Not sure if its acceptable to post the link here, so feel free to delete the post if not. smile

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Posted: 29 August 2012 11:39 AM   [ Ignore ]   [ # 12 ]
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@IanzThingz - thanks for telling us. This is good to know.

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Posted: 29 August 2012 11:43 AM   [ Ignore ]   [ # 13 ]
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Oops, even I can do duplicate posts on occasion

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Posted: 29 August 2012 11:44 AM   [ Ignore ]   [ # 14 ]
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Horo - 29 August 2012 11:39 AM

@IanzThingz - thanks for telling us. This is good to know.

No worries, I’ve been searching the web for tuts ever since I installed Bryce and have collected a few bookmarks smile

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Posted: 29 August 2012 11:46 AM   [ Ignore ]   [ # 15 ]
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Yeah, the way back machine can be very helpful. Thankyou

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