Asurf Pseudo with any standard DE Fractal

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Offline taurus

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« on: September 06, 2020, 12:55:08 AM »
Well, that was surprising for me too. Originally I assumed that the second slot of an Asurf pseudo requires a box-like fractal, but now it turns out that the first slot already provides - without scaling (Scale 1) and the 90° tweak - a stable pseudo Kleinian skeleton, so that in the second slot any further standard DE fractal can be grafted on. With full preservation of all formal characteristics. Here with a simple Menger sponge



Code: [Select]
# Mandelbulber settings file
# version 2.22
# only modified parameters
[main_parameters]
ambient_occlusion_enabled true;
ambient_occlusion_quality 8;
background_rotation 117,22 -15,12 0;
bailout 64;
brightness 1,2;
camera -1,46629416389507 -2,64984329059143 -0,371188288380732;
camera_distance_to_target 0,250586663654725;
camera_rotation 33,3623950349661 36,1970017094794 -57,8075666802547;
camera_top -0,533780895576941 -0,728170820005309 0,429936288779949;
contrast 1,2;
DE_factor 0,7;
detail_level 2,4;
DOF_enabled true;
DOF_focus 0,551337659358978;
DOF_MC_global_illumination true;
DOF_min_samples 5;
DOF_samples 800;
dont_add_c_constant_1 true;
dont_add_c_constant_2 true;
fog_color_1 1600 2300 3200;
fog_color_2 3100 3b00 4800;
fog_color_3 5600 6100 6800;
formula_1 73;
formula_2 7;
formula_iterations_1 20;
formula_iterations_2 100;
fov 73,13;
frames_per_keyframe 5;
glow_intensity 0,05;
hybrid_fractal_enable true;
image_height 960;
image_width 1440;
julia_c -1,58393187607056 -2,44112231686572 -0,2707127263026;
julia_mode true;
limit_max 2,9 2,9 5,8;
limit_min -5,8 -3 -2,9;
limits_enabled true;
main_light_alpha 14,41;
main_light_beta 11,31;
main_light_intensity 0,8;
mat1_fractal_coloring_extra_color_enabled_false true;
mat1_fractal_coloring_i_start_value 16;
mat1_fractal_coloring_iter_add_scale 0,666;
mat1_fractal_coloring_iter_group_enabled_false true;
mat1_fractal_coloring_orbit_trap_weight 1,5;
mat1_fractal_coloring_rad_weight 0,125;
mat1_is_defined true;
mat1_surface_color_gradient 0 922b00 908 feaf39 1817 6aa970 2727 023854 3635 94c6c3 4545 f2ab39 5454 f1a93a 6363 92c6c4 7271 033955 8181 6aa970 9090 ffae39;
MC_soft_shadows_enable true;
N 40;
penetrating_lights false;
reflections_max 3;
shadows_cone_angle 2;
target -1,57750223169964 -2,4809462975436 -0,223200966639368;
textured_background true;
view_distance_max 19,7339596590309;
view_distance_min 1e-08;
volumetric_fog_colour_1_distance 0,0625;
volumetric_fog_colour_2_distance 0,125;
volumetric_fog_density 0,25;
volumetric_fog_distance_factor 0,125;
volumetric_fog_distance_from_surface 1e-08;
volumetric_fog_enabled true;
[fractal_1]
mandelbox_folding_min_radius 0;
mandelbox_scale 1;
transf_addition_constant_111 0,985 0,985 1;
transf_minimum_radius_05 0;
transf_rotation 0 90 0;
[fractal_2]
beta_angle_offset 2,5;
mandelbox_color_Sp1 0,1;
mandelbox_color_Sp2 0,1;
mandelbox_folding_limit 1,05;
mandelbox_folding_min_radius 0,2;
mandelbox_folding_value 2,1;
mandelbox_main_rotation_enabled true;
mandelbox_rotation_main -4,114423 3,491859 6,335333;
mandelbox_scale -1,15;
transf_addition_constant -0,348 0,393 0,441;
transf_addition_constant_111 2,5 2,5 1;
transf_addition_constantA_000 -0,109 -0,4615 0,0145;
transf_constant_multiplierA_111 0,75 1 0,75;
transf_function_enabledAx_false true;
transf_function_enabledAy_false true;
transf_function_enabledAz_false true;
transf_minimum_radius_05 0;
transf_rotation 25,740708 -3,17983 -20,353229;


Linkback: https://fractalforums.org/mandelbulber/14/asurf-pseudo-with-any-standard-de-fractal/3755/
when life offers you a lemon, get some salt and tequila.

Offline taurus

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« Reply #1 on: September 07, 2020, 06:21:18 PM »

Offline taurus

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« Reply #2 on: September 07, 2020, 06:46:31 PM »
very interesting. Mandelcup in second slot. Easyer to handle than most bulbs I tried.

https://fractalforums.org/gallery/157-070920183910.jpeg


on request the m-set, I grabbed j-constants from
Code: [Select]
# Mandelbulber settings file
# version 2.23
# only modified parameters
[main_parameters]
ambient_occlusion_enabled true;
ambient_occlusion_quality 8;
background_3_colors_enable false;
background_color_1 0800 0d00 1300;
bailout 128;
brightness 0,9;
camera -1,30462314032853 -0,510505006105837 -2,54038752810812;
camera_distance_to_target 0,700000000000002;
camera_rotation 28,038822694585 30,1741780331945 179,267704376239;
camera_top -0,22497147903537 0,449607846468392 -0,864430805799222;
check_for_bailout_1 false;
contrast 1,15;
DE_factor 0,7;
detail_level 2,4;
dont_add_c_constant_1 true;
flight_last_to_render 0;
fog_color_1 2300 2a00 3200;
fog_color_2 3b00 4100 4800;
fog_color_3 5f00 6400 6800;
formula_1 73;
formula_2 208;
formula_iterations_1 20;
formula_iterations_2 100;
fov 68,13;
gamma 1,2;
glow_intensity 0,05;
hybrid_fractal_enable true;
image_height 960;
image_width 1440;
keyframe_last_to_render 0;
limit_max 5,8 5,8 0;
limit_min -5,8 -5,8 -2,9;
limits_enabled true;
main_light_alpha -8,59;
main_light_beta 23,31;
main_light_intensity 0,8;
mat1_coloring_palette_offset 0,14;
mat1_fractal_coloring_extra_color_enabled_false true;
mat1_fractal_coloring_iter_add_scale 0;
mat1_fractal_coloring_iter_add_scale_enabled_true false;
mat1_fractal_coloring_iter_group_enabled_false true;
mat1_fractal_coloring_iter_scale 0,1;
mat1_fractal_coloring_iter_scale_enabled_false true;
mat1_fractal_coloring_rad_weight 0,125;
mat1_is_defined true;
mat1_specular 1,25;
mat1_specular_metallic 0,5;
mat1_specular_metallic_roughness 0,4;
mat1_specular_metallic_width 2;
mat1_specular_plastic_enable false;
mat1_specular_width 0,2;
mat1_surface_color_gradient 0 ee6c33 769 f77f3f 1714 ffbd67 2672 ffffb7 3495 ffffa0 4320 49975b 5011 2b5a50 5679 49975b 6547 ffffa0 7483 ffffb5 8351 ffbd67 9230 f77f3f;
mat1_transparency_index_of_refraction 2,2;
MC_soft_shadows_enable true;
N 40;
penetrating_lights false;
reflections_max 2;
shadows_cone_angle 2;
target -1,58908630040965 0,0236189788686354 -2,18854625817002;
use_default_bailout false;
view_distance_max 30,6393560649596;
view_distance_min 1e-08;
volumetric_fog_colour_1_distance 0,015625;
volumetric_fog_colour_2_distance 0,03125;
volumetric_fog_density 0,125;
volumetric_fog_distance_factor 0,03125;
volumetric_fog_distance_from_surface 1e-08;
volumetric_fog_enabled true;
[fractal_1]
mandelbox_folding_min_radius 0;
mandelbox_scale 1;
transf_addition_constant_111 0,985 0,985 1;
transf_minimum_radius_05 0;
transf_rotation 0 90 0;
[fractal_2]
buffalo_abs_z true;
mandelbox_color_Sp1 0,1;
mandelbox_color_Sp2 0,1;
mandelbox_folding_limit 1,05;
mandelbox_folding_min_radius 0,2;
mandelbox_folding_value 2,1;
mandelbox_main_rotation_enabled true;
mandelbox_rotation_main -4,114423 3,491859 6,335333;
mandelbox_scale -1,15;
transf_constant_multiplierA_111 0,75 1 0,75;
transf_function_enabledAx_false true;
transf_function_enabledAy_false true;
transf_function_enabledAz_false true;
transf_function_enabledF_false true;
transf_function_enabledSw_false true;
transf_function_enabledX_false true;
transf_minimum_radius_05 0;
transf_offset_0005 0,000625;
transf_offset_1105 0,631064 0,904903 0,577203;
transf_offsetB_0 -0,5;
transf_rotation -2 -3,17983 1;
transf_scale_1 1,1;
transf_start_iterations_C 25;
transf_stop_iterations_C1 29;
« Last Edit: September 09, 2020, 08:01:08 PM by taurus »

Offline taurus

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« Reply #3 on: September 13, 2020, 08:52:20 PM »
static view
This one is based on a kaleidoscopic ifs posted in examples of MDB by Robert Pancoast. I used a mod for my latest movie secret alphabets and now I stitched this mod to an Asurf Pseudo.



Code: [Select]
# Mandelbulber settings file
# version 2.22
# only modified parameters
[main_parameters]
background_3_colors_enable false;
background_brightness 1,5;
background_color_1 0800 0d00 1300;
background_rotation 108,43 -138,5 0;
bailout 16;
brightness 1,1;
camera 0,0561338552458075 -1,23455677419783 -0,4399945140341;
camera_distance_to_target 1,07885351352312;
camera_rotation -5,45443053962367 25,8199113021562 -89,1524982497316;
camera_top -0,995975570470224 0,0886306190801177 0,01331451794044;
check_for_bailout_1 false;
contrast 1,12;
DE_factor 0,6667;
DE_thresh 0,00116666666666667;
detail_level 2,5;
DOF_blur_opacity 1;
DOF_enabled true;
DOF_focus 0,71694278717041;
DOF_max_noise 0,815944198902606;
DOF_MC_global_illumination true;
DOF_min_samples 5;
DOF_monte_carlo true;
DOF_number_of_passes 4;
DOF_radius 2,5;
DOF_samples 1600;
dont_add_c_constant_1 true;
dont_add_c_constant_2 true;
fog_color_1 2300 2a00 3200;
fog_color_2 3b00 4100 4800;
fog_color_3 5f00 6400 6800;
formula_1 73;
formula_2 10;
formula_iterations_1 20;
formula_iterations_2 50;
fov 68,13;
gamma 1,1;
glow_intensity 0,05;
hybrid_fractal_enable true;
image_height 1536;
image_proportion 3;
image_width 2304;
julia_c 0 -0,490356942288771 0;
julia_mode true;
limit_max 10 7 5,8;
limit_min -2,9 -1,1 -2,9;
limits_enabled true;
main_light_alpha 25,62;
main_light_beta 13,31;
main_light_intensity 1,2;
mat1_coloring_palette_offset 0,14;
mat1_fractal_coloring_extra_color_enabled_false true;
mat1_fractal_coloring_iter_add_scale 0;
mat1_fractal_coloring_iter_add_scale_enabled_true false;
mat1_fractal_coloring_iter_group_enabled_false true;
mat1_fractal_coloring_iter_scale 0,2;
mat1_fractal_coloring_iter_scale_enabled_false true;
mat1_fractal_coloring_rad_weight 0,125;
mat1_is_defined true;
mat1_specular 1,25;
mat1_specular_metallic 0,5;
mat1_specular_metallic_roughness 0,4;
mat1_specular_metallic_width 2;
mat1_specular_plastic_enable false;
mat1_specular_width 0,2;
mat1_surface_color_gradient 0 34484c 1666 506364 3333 996344 5000 7a4028 6666 996344 8333 4f6263;
mat1_transparency_index_of_refraction 2,2;
mat2_fresnel_reflectance true;
mat2_is_defined true;
mat2_metallic false;
mat2_name water;
mat2_reflectance 1;
mat2_specular 1;
mat2_specular_width 0,161;
mat2_surface_color 0900 1300 1c00;
mat2_surface_color_gradient 0 fd6029 999 698403 1999 fff59b 2999 f5bd22 3999 0b5e87 5000 c68876 5999 a51c64 7000 3b9fee 7999 d4ffd4 9000 aba53c;
mat2_transparency_index_of_refraction 2,35;
mat2_use_colors_from_palette false;
MC_soft_shadows_enable true;
N 40;
penetrating_lights false;
primitive_water_1_enabled true;
primitive_water_1_iterations 8;
primitive_water_1_length 0,2;
primitive_water_1_material_id 2;
primitive_water_1_position 0,828183361886146 0 0;
primitive_water_1_rotation 33,69 90 0;
raytraced_reflections true;
target 0,14844548190496 -0,267805192178468 0,0298936065731364;
textured_background true;
use_default_bailout false;
view_distance_max 23,4483173783862;
view_distance_min 1e-08;
volumetric_fog_colour_1_distance 0,125;
volumetric_fog_colour_2_distance 0,25;
volumetric_fog_density 0,25;
volumetric_fog_distance_factor 0,25;
volumetric_fog_distance_from_surface 1e-08;
volumetric_fog_enabled true;
volumetric_light_DE_Factor 1,5;
[fractal_1]
mandelbox_folding_min_radius 0;
mandelbox_scale 1;
transf_addition_constant_111 0,985 0,985 1;
transf_minimum_radius_05 0;
transf_rotation 0 90 0;
[fractal_2]
IFS_abs_x true;
IFS_abs_y true;
IFS_abs_z true;
IFS_direction_5 0,71 -0,71 0;
IFS_direction_6 0,71 0 -0,71;
IFS_direction_7 0 0,71 -0,71;
IFS_edge 1 0,49 0;
IFS_edge_enabled true;
IFS_enabled_5 true;
IFS_enabled_6 true;
IFS_enabled_7 true;
IFS_menger_sponge_mode true;
IFS_offset 1,6 0,9 1,025;
IFS_rotation 60 0 0;
IFS_rotation_enabled true;
IFS_scale 3;

Offline taurus

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« Reply #4 on: September 16, 2020, 10:42:02 AM »
Bulbs and boxes are not of the same kind. Most bulbs easily fall apart in Asurf Pseudo. This power 2 bulb doesn't.



Code: [Select]
# Mandelbulber settings file
# version 2.23
# only modified parameters
[main_parameters]
background_3_colors_enable false;
background_brightness 2;
background_color_1 0800 0d00 1300;
background_rotation 130,82 180 -114,15;
bailout 16;
camera -0,386025025635144 0,409397034773882 0,0800046536158555;
camera_distance_to_target 0,161223984559924;
camera_rotation -138,649643428514 -19,3925494272238 108,0756552437;
camera_top -0,781698733099384 -0,550719225867766 -0,292669480695249;
check_for_bailout_1 false;
contrast 1,12;
DE_factor 1,34327196873804;
DE_thresh 0,00160701881036542;
detail_level 2;
DOF_enabled true;
DOF_focus 0,162093571662903;
DOF_max_noise 0,815944198902606;
DOF_max_radius 500;
DOF_MC_global_illumination true;
DOF_min_samples 5;
DOF_monte_carlo true;
DOF_radius 18;
DOF_samples 1600;
dont_add_c_constant_1 true;
dont_add_c_constant_2 true;
fog_color_1 2300 2a00 3200;
fog_color_2 3b00 4100 4800;
fog_color_3 5f00 6400 6800;
formula_1 73;
formula_2 105;
formula_iterations_1 20;
formula_iterations_2 100;
fov 68,13;
gamma 1,4;
glow_intensity 0,05;
hybrid_fractal_enable true;
image_height 1920;
image_proportion 3;
image_width 2880;
julia_c -0,27954725534966 -0,193678546025881 0,0531765909434343;
julia_mode true;
limit_max 2 0,725 2,9;
limit_min -2,9 -3,5 -2,9;
limits_enabled true;
main_light_alpha 17,41;
main_light_beta 23,31;
main_light_intensity 0,8;
mat1_coloring_palette_offset 0,14;
mat1_fractal_coloring_extra_color_enabled_false true;
mat1_fractal_coloring_iter_add_scale 0;
mat1_fractal_coloring_iter_add_scale_enabled_true false;
mat1_fractal_coloring_iter_group_enabled_false true;
mat1_fractal_coloring_iter_scale 0,1;
mat1_fractal_coloring_iter_scale_enabled_false true;
mat1_fractal_coloring_rad_weight 0,125;
mat1_is_defined true;
mat1_specular 1,25;
mat1_specular_metallic 0,5;
mat1_specular_metallic_roughness 0,4;
mat1_specular_metallic_width 2;
mat1_specular_plastic_enable false;
mat1_specular_width 0,2;
mat1_surface_color_gradient 0 ee6c33 769 f77f3f 1714 ffbd67 2672 ffffb7 3495 ffffa0 4320 49975b 5011 2b5a50 5679 49975b 6547 ffffa0 7483 ffffb5 8351 ffbd67 9230 f77f3f;
mat1_transparency_index_of_refraction 2,2;
MC_soft_shadows_enable true;
N 40;
penetrating_lights false;
shadows_cone_angle 2;
target -0,285553526446286 0,295235239826615 0,0264720876158951;
textured_background true;
use_default_bailout false;
view_distance_max 3,8165852262304;
view_distance_min 1e-08;
volumetric_fog_colour_1_distance 0,015625;
volumetric_fog_colour_2_distance 0,03125;
volumetric_fog_density 0,15;
volumetric_fog_distance_factor 0,03125;
volumetric_fog_distance_from_surface 1e-08;
volumetric_fog_enabled true;
[fractal_1]
mandelbox_folding_min_radius 0;
mandelbox_scale 1;
transf_addition_constant_111 0,985 0,985 1;
transf_minimum_radius_05 0;
transf_rotation 0 90 0;
[fractal_2]
transf_constant_multiplierA_100 1,10501 -0,085472 -0,075835;
transf_constant_multiplierB_111 1 0,5 1;
transf_offset_200 1,930531 -0,036493 0,115192;
transf_scale_025 0,2;
transf_scale_1 0,8;
transf_scale_4 3;

Offline Tas_mania

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« Reply #5 on: September 19, 2020, 01:14:05 PM »
Hi taurus
I did a render of fractal 3 here. It's brilliant how you have worked this out. I just halved the number of iterations in both slots and used a colorful material with iridescence. I've found boolean fracts have individual materials but hybrids are forced to share just one - so it has to be varied and hopefully colorful.
This would be good to keyframe into an animation. It reminds me of the old pocket watches I find metal detecting.


Offline taurus

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« Reply #6 on: September 21, 2020, 07:05:48 PM »
Cool, thanks. Glad you like my approach. Yes, iteration numbers are discussable. Last time I tried slot#1 was impossible below 20, but that was asurf-asurf combo. second slot ist 50 or 100. Many work also @30, but not all. And as I do not see significant time saving, I mostly leave @100.


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