Managing zoom-related colour changes

Tex Arcana

Guest

« on: January 01, 2011, 01:19:13 PM »

I've noticed that colours change as I zoom in on fractals in Mandelbulb 3D. Surfaces at different distances seem to start taking on different hues from the palette and cycling through them as the zoom gets closer. Or something.

Is there a way of minimising this effect, so that outer surface colours remain more or less the same at all zoom levels?

Any tips appreciated.


	Logged

Sockratease

Global Moderator
Fractal Senior

Posts: 3181

Re: Managing zoom-related colour changes

« Reply #1 on: January 01, 2011, 01:40:11 PM »

I was under the impression that there wasn't really a color palette at work here, so much as a colored light set illuminating an otherwise colorless 3D Object - much like in Bryce, Carrara, Blender, etc.

If you move around a 3D Set in those programs, without moving the lights, yes - the lighting will look different.

Have you tried checking the "Relative to Object" box in the Ambient tab of the Lighting controls? That may help. But in extreme cases you may need to actually keyframe the lighting too if the effect is to be minimized even more.


	Logged

Life is complex - It has real and imaginary components.

The All New Fractal Forums is now in Public Beta Testing! Visit FractalForums.org and check it out!

Tatty

Guest

Re: Managing zoom-related colour changes

« Reply #2 on: January 01, 2011, 02:09:03 PM »

If you find the colour mapping changes with different magnifications make sure the 'col var on z' in the object colouring tab is set to zero.
Especially in animations.


	Logged

Tex Arcana

Guest

Re: Managing zoom-related colour changes

« Reply #3 on: January 01, 2011, 09:55:52 PM »

Thanks for the replies, guys. I checked the settings you mentioned were as you suggested, but they didn't make any difference, I'm afraid.

It's not lighting related, it's definitely to do with the Object Colouring settings. Adjusting the DE stop value *seemed* to have a positive effect and is now set at 2; but after some tweaking around and render tests, it appears that the best way to manage this, is to tweak the colour settings between keyframes.


	Logged

Jesse

Download Section
Fractal Schemer

Posts: 1013

Re: Managing zoom-related colour changes

« Reply #4 on: January 01, 2011, 11:54:36 PM »

hi, you can reduce the zoom dependend color changes by doing the following:

- adjust the "Col. start" and "Col. end" sliders in the "Object color" tab on the lighting panel for each keyframe according to the shown histogram between the sliders. And a bigger distance between the two setting reduces also changes.

- dont change the maximum iteration count setting, set it to the maximum value that is used in the animation right from the beginning. The DE stop value determines the detail level and the iterations vary on the surface if you zoom in - that is the main reason why the colors are changing on zooms.

- you may also try the "color on orbit trap" setting.


	Logged

Pages: [1] Go Down

« previous next »

	Author	Topic: Managing zoom-related colour changes (Read 919 times)
		Description:
0 Members and 1 Guest are viewing this topic.

Related Topics
	Subject	Started by	Replies	Views	Last post
	0 1 1 Art Facebook Group related to fractal art Introduction to Fractals and Related Links	011art	1	1899	March 22, 2010, 02:40:15 AM by Nahee_Enterprises
	How do I colour a Mandelbox? 3D Fractal Generation	G	4	2350	May 30, 2011, 08:29:43 PM by joeytwiddle
	Some answers related to formulas Mandelbulb 3d	Jesse	1	836	February 07, 2011, 07:19:28 PM by n8iveattitude1
	This is actually fractal related... Non-Fractal related Chit-Chat	Side B	1	810	April 28, 2011, 04:47:22 AM by panzerboy
	Sample colour Maps for M3D (page 2) Mandelbulb 3d « 1 2 »	kameelian	29	3882	September 23, 2011, 08:31:05 PM by DarkBeam

END OF AN ERA, FRACTALFORUMS.COM IS CONTINUED ON FRACTALFORUMS.ORG

it was a great time but no longer maintainable by c.Kleinhuis contact him for any data retrieval,
thanks and see you perhaps in 10 years again

The All New FractalForums is now in Public Beta Testing! Visit FractalForums.org and check it out!

	Welcome, Guest. Please login or register.	October 02, 2018, 10:29:40 PM
		Login with username, password and session length

END OF AN ERA, FRACTALFORUMS.COM IS CONTINUED ON FRACTALFORUMS.ORG

it was a great time but no longer maintainable by c.Kleinhuis contact him for any data retrieval, thanks and see you perhaps in 10 years again

The All New FractalForums is now in Public Beta Testing! Visit FractalForums.org and check it out!

it was a great time but no longer maintainable by c.Kleinhuis contact him for any data retrieval,
thanks and see you perhaps in 10 years again