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« Reply #60 on: February 21, 2013, 12:41:59 AM » |
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A quote from the Readme (hard to find in the whole text i guess): In the future I will compare the old and new readme file with a nice little portable freeware app called ExamDiff - The freeware visual file compare toolThe only way to switch off the HS calc would be to decrease the max length calcuation to 0. Thanks, that is exactly the info I needed. Also, sending the parameters back and forth between main and MC to adjust will help me with any remaining issues. Thanks for taking the time to answer my questions. The new renders with with the modified random number algorithm look very good. |
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Apophyster
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« Reply #61 on: February 21, 2013, 11:36:48 AM » |
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I do not want to divert the discussion but here is a file compare app I've used for long time, also free: http://sourceforge.net/p/winmerge/news/2013/02/winmerge-2140-stable-released/More to the topic: Waaaaahhh... I wish so much I had more time available to be using M3D. It's got to be one of THE top fractal programs currently being run. I had some little time earlier last year and used v 1.76 and a few earlier releases. Beyond that, I feel fortunate to have been hanging around since late 2009 to witness the development of Jesse's M3D program and the growth of the ability of those who use it to create unimaginably beautiful fractal images. (I'm fascinated as well by the interplay of so much magnificent creative energy flowing through the forums here of infinite fractal possibilities!) Fred |
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Rice, wheat and corn make the world go round.
Love and money are just passengers.
Friendliness is the destination.
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Alef
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« Reply #62 on: February 25, 2013, 06:28:49 PM » |
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Probably hitting many times the same number and clustering reduces random number result hence less than linear increase. Artificial noise in the last attachment looks smoother than pure RNG, what looks somewhat like bad .jpg.
In some articles quasi- random numbers is claimed to lose superiority ower random numbers in aplications with large number of dimensions, but there were no explanation what number is large, but here it's not the case.
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« Last Edit: February 25, 2013, 06:35:10 PM by Alef »
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fractal catalisator
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Jesse
Download Section
Fractal Schemer
Posts: 1013
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« Reply #63 on: February 25, 2013, 07:25:20 PM » |
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Probably hitting many times the same number and clustering reduces random number result hence less than linear increase. Artificial noise in the last attachment looks smoother than pure RNG, what looks somewhat like bad .jpg.
In some articles quasi- random numbers is claimed to lose superiority ower random numbers in aplications with large number of dimensions, but there were no explanation what number is large, but here it's not the case.
I guess it is not easy to avoid any correlations between all pseudo random numbers, for example if you use the halton numbers on certain bases, there are strong correlations between many base combinations, so you can use only a limited number of bases... i am currently using only 2 twodimensional halton series, for first ambient depth and for DoF or hardshadows (if no DoF used). |
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DarkBeam
Global Moderator
Fractal Senior
Posts: 2512
Fragments of the fractal -like the tip of it
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« Reply #64 on: February 26, 2013, 08:21:31 AM » |
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Curses, you deleted the two "new" m3f of your previous beta in your new beta. I hope somebody  saved them  |
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No sweat, guardian of wisdom!
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ericr
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« Reply #65 on: February 26, 2013, 09:52:55 AM » |
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i hope it that your want mandelbulb v 186 beta 3
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blob
Strange Attractor
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« Reply #66 on: February 26, 2013, 11:18:56 AM » |
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PNG save with params works OK now with latest beta.  |
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Teena
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« Reply #67 on: February 26, 2013, 03:23:37 PM » |
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I downloaded and installed version 1.8.7 and found a problem. When I click the "Check colors" button in the MC renderer nothing happens. I neither get a confirmation that the colors are OK nor do I get an info when Autoclip spec+diff has to be used.
EDIT: I just noticed that it's not always the case but in most cases that buttopn does nothing. Launch MB3D and import the default Mandelbulb into MC. Now click the Check colors button and you'll see that there is no message at all.
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« Last Edit: February 26, 2013, 04:35:23 PM by Teena »
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Jesse
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Fractal Schemer
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« Reply #68 on: February 26, 2013, 08:57:43 PM » |
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Curses, you deleted the two "new" m3f of your previous beta in your new beta. I hope somebody saved them Did them here: http://www.fractalforums.com/index.php?topic=6061.msg28944#msg28944I downloaded and installed version 1.8.7 and found a problem. When I click the "Check colors" button in the MC renderer nothing happens. I neither get a confirmation that the colors are OK nor do I get an info when Autoclip spec+diff has to be used.
EDIT: I just noticed that it's not always the case but in most cases that buttopn does nothing. Launch MB3D and import the default Mandelbulb into MC. Now click the Check colors button and you'll see that there is no message at all.
Ok, it only answers if at least reflections are calulated, else it is always ok! Because the specular spots are not affecting the overall light that much, maybe if you choose a low power and high spec amount... but this is not tested here... (i may disable the button then if no relfections selected) |
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Teena
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« Reply #69 on: February 26, 2013, 09:49:44 PM » |
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Thanks for clarifying, Jesse!  I just wondered why I got the message to select Autoclip spec+diff in version 1.8.6 while I don't get any such info in 1.8.7 when I render the same parameter file. So I thought it is a bug. Disabling that button when colors are OK is a good idea to avoid any confusion. |
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Horbgorbler
Forums Newbie
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« Reply #70 on: March 01, 2013, 01:53:23 PM » |
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Hi: I am 68 years old and until today I have never written a fan letter. I recently retired. My career was in the field of analytical chemistry but my primary interest in fractals has always been aesthetic.
I have been using MB3D for about 10 months. I lurk these forums regularly in search of understanding. Immense thanks to Jesse for giving us this extraordinary artistic tool. And thanks also to the various collaborators who have contributed significantly to the steady expansion of this amazing program. Thanks also to those who have taken the time to create tutorials and to all the users who have shared their parameter files. The video tutorials of Don Whitaker were especially helpful to me as I began this adventure. I am in awe of the scientific genius and artistic talent displayed in these forums. I agree fully with a post by Apophyster where he said:
“I feel fortunate to have been hanging around …. To witness the development of Jesse's M3D program and the growth of the ability of those who use it to create unimaginably beautiful fractal images. (I'm fascinated as well by the interplay of so much magnificent creative energy flowing through the forums here of infinite fractal possibilities!)”
My ‘handle’ is Horbgorbler. I took that from a definition I encountered in the parlor game Balderdash. The definition of Horbgorbler is: “One who wanders aimlessly.” Believe me; you all have given me countless hours of enjoyment wandering around in awe within the nooks and crannies of remarkable fractal environments created with MB3D. Jesse, you have made one old man very happy. I’m a grateful fan.
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Apophyster
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« Reply #71 on: March 02, 2013, 04:37:46 AM » |
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Hi Horbgorbler, And welcome! I'm pleased that you found my words agreeable. (But I do not like to make OT comments like that so I just leave it at that, except that I try to say what I feel and feel what I say.) A suggestion though: Usually one of the mods comes along and suggests to a new poster that they say a few words in "Meet and Group" topic. I'm not one of the admins here, but I thought I'd make the suggestion since maybe they're busy with other things. Here's the handy link: http://www.fractalforums.com/meet-and-greet/Fred |
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Rice, wheat and corn make the world go round.
Love and money are just passengers.
Friendliness is the destination.
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Jesse
Download Section
Fractal Schemer
Posts: 1013
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« Reply #72 on: March 02, 2013, 04:34:02 PM » |
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New beta is available: version 1.8.7 beta-2
Most of the latest issues are solved hopefully, please report any issues with this file, thx!
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Jesse
Download Section
Fractal Schemer
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« Reply #73 on: March 02, 2013, 04:37:38 PM » |
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Hello Horbgorbler,
welcome and thank you very much for the kind words, i am also astounded and pleased by all the results others made and with learning so much new maths and tricks from all the creative people here.
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« Last Edit: March 02, 2013, 08:23:56 PM by Jesse »
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Teena
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« Reply #74 on: March 02, 2013, 06:44:49 PM » |
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Thank you so much for updating! The Author option works properly now. You changed the MC renderer dialog quite dramatically. Super improvements! I did some test renders and everything seems to work fine. If I come across any problem I'll report it here.
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