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Post by taron on Jul 11, 2010 12:02:28 GMT 1
FOR THE LATEST VERSION DOWNLOAD THIS:MaCrea.rar (v0.14)Changes in v0.14- hit "A" if you have a reflection image chosen to generate automatic lighting. It will parse through the image and spread out 13 lights across the sphere. It's not perfect, but pretty sweet already, I think. I'm not checking for highlights in it so it's really rather an ambient, but... yaha! Changes in v0.13- optimized reflection distortion correction (added keyboard shortcut "R" to toggle) - Highlight threshold for diffusing reflection images - Default with white surface and 50% light Changes in v0.10b- load/save jpeg images - bias for subsurface extension - some optimizations and minor changes internally Changes in v0.08- hold down [ALT] to rotate the light around the sphere - [ALT]+ (gives an annoying windows sound, but aside from that...) this rotates all lights around, whereby...eh...I still have to work on that. It's fun right now, but more fun than useful.
- Reflection images and blurred versions have individual fresnel settings. Amazing stuff, when you know what you're doing! (...and probably if you don't, too?!)
- click on the reflection image to pick colors, too. Yes, a wacky idea, but it's pretty awesome, if you kn.... well, it allows you to simulate diffuse lighting by placing a bunch of lights from different angles and pick the respective colors from the image. I'll show that at some point.
- what else is new...hmmm... smaller things and a few optimizations, I suppose. I often just bounce around and try to improve things.
I can't remove the attachment, which is still version 0.02b and not worth checking... so just download the above! 
Currently you can add up to 20 lightsources.
Each lightsource has it's own:
- position in 3d space
- color
- brightness
- specularity contribution
- subsurface extension (currently hardcoded to subdermal like red)
- softmode (for exponential blending creating smooth overlaps)
Some people, including myself, can turn on and off the background to isolate the sphere with the Tilde key. Don't ask me, why this is won't work for all?!
You can save as png image, hardcoded to 512x512 images.
OpenGL 2.0 or higher should be the minimum, I believe and Intel Mobile is very hopeless, so...eh... but you should've troubles with materials in Sculptris to begin with then anyway.
I hope you'll have some fun with it and it works as fine for you as it does for me. I may crawl this one up to an 0.1 version in the near future. Maybe even today?! ;D
New features in version 0.07 include:
- soft mode for lights is now a bias parameters
- fresnel with gain function for the material or individual lights
- reflection sphere images (only square format, yet)
- control bias and gain of such images
- parameter for the intensity (reflection)
- diffuse the reflection image
- control gain and bias of the diffused version of the image
- parameter for the intensity (illumination)
(There is a hidden feature preview, but its use is disabled right now!)
New version will hopefully be done soon.
Attachments:
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Post by wikkidwidgets on Jul 11, 2010 12:26:49 GMT 1
Well poop.... Doesn't work for me.  I launch it and don't see anything. checked Task manager and see it running for a minute, and the Norton SONAR (Very Anal Security scanner) closes and removed it from my system. Attachments:
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Post by wikkidwidgets on Jul 11, 2010 12:34:46 GMT 1
Yea! I fixed it!
If you (as in anyone) has Nortons 360 security suite;
Right click on the MaCrea_v002b.exe Choose Norton 360 --> Norton File Insight. Then click the Trust now link. Then it works!!
Nice job Taron! That's a spiffy little app!
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Post by taron on Jul 11, 2010 13:22:06 GMT 1
My god, Norton is an even worse nazi than ATI... wow! ;D  Thanks for figuring that out, Wikkid! |
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Post by taron on Jul 11, 2010 14:14:00 GMT 1
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Post by wikkidwidgets on Jul 11, 2010 14:23:17 GMT 1
My god, Norton is an even worse nazi than ATI... wow! ;D Thanks for figuring that out, Wikkid! LOL! ;D More like a 400Lbs. Nanny with a compulsive mother bear complex. hehe |
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Post by taron on Jul 11, 2010 14:30:15 GMT 1
...and a shotgun!  |
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Post by taron on Jul 11, 2010 17:59:59 GMT 1
Update v0.02d New specularity calculation and camera z offset adjustable. Attachments:
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Post by 3ddd on Jul 12, 2010 10:40:13 GMT 1
Hi Taron
Your facility is not working for me. The application will launch and i can choose a colour; but there is only a flat surface displayed.
I have no problem running Sculptris on the same machine ; as the shaders work fine in sculptris.
Cheers.
Gary.
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Post by taron on Jul 12, 2010 12:04:20 GMT 1
ARgh... what gfx board does your machine have, if I may ask?
...I'm still on it to get ATI to work. Nvidia shouldn't have troubles, though.
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Post by worstplayer on Jul 12, 2010 12:16:06 GMT 1
Works perfectly here (nVidia 8800gtx) with one exception: I can't turn on background (not a big problem really).
Very useful program. Thanks.
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Post by 3ddd on Jul 12, 2010 12:32:41 GMT 1
Hi Taron
After reading your post and worstplayer's post i now realise that there is a problem with running the software on ATI cards.
Yes the machine i tried it on at work has an ATI card; my machine at home uses an NVidia
card so i will try the software on my home computer.
My works machine graphics card is an ATI Radeon 2400.
Cheers.
Gary.
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Post by taron on Jul 12, 2010 12:36:51 GMT 1
@ worstplayer... Excellent! THANK YOU! I'm very happy to hear that!  ...what do you mean by "turn on" background? I might've phrased it wrong, but you can "turn OFF" the background around the sphere by hitting (`) or so called TILDE, which is right above the [TAB] at least key on US keyboards. @ both of you...  I'm currently working on a nicer interface and still trying to piece by piece solve the ATI issue. It's sometimes the silliest stuff, like a certain order of commands and such, which don't seem to require an order of calls. Anyway... Thanks again for some positive feedback! I urgently needed it!  |
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Post by dooieaap on Jul 12, 2010 14:15:28 GMT 1
Yet gotta try this nifty application at home but I tried at work and it doesn't do anything but generate an error:  That's on a pc using an Nvidia quadro fx 1300 GPU (I think that counts as "older than 4 yrs") |
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Post by muhmuh on Jul 12, 2010 14:27:19 GMT 1
Nice little tool. Tilde doesn't work here either (the ball's background is always black). May I suggest adding a visual clue to the light sources (simple dot would be fine).
Running it on a nvidia 8600.
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