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Author Topic: Mandelbulber v2 - 2.08  (Read 8197 times)
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DarkBeam
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Fragments of the fractal -like the tip of it


« Reply #15 on: July 05, 2016, 12:10:50 AM »

as for perlin you can start to look here!

http://www.fractalforums.com/fragmentarium/high-performance-glsl-noise-functions/

cheesy
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taurus
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« Reply #16 on: July 05, 2016, 02:21:20 AM »

So that's why I'm wondering why fractal related service like FractalForums almost doesn't give me any feedback (the same was for MB3D). It's difficult to develop the software, especially cross-platform, when you event don't know if it works properly on different systems.
Sorry to hear that. At the moment my time for experimenting is pretty limited. It would take months to convert my workflow to a new paradigm, especially in animation. Time I currently do not have. I am pretty familiar with the old GUI and mostly happy with the features, so it is hard for me to find a convincing reason for the change. I hope I can spare some time in near future, but I can't promise...
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mclarekin
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« Reply #17 on: July 05, 2016, 05:03:56 AM »

Thanks guys for feedback, (albeit you three are not  feedbacking newbies, having already helped us a lot in the past), and I fully understand the time constraints.

pause,....  then I ramble on .....

The latest version has only been released a few days, so in some ways it is a bit early for much feedback, other than "Material Manager looks great".  I still need to test this feature out more myself, BUT, I do know that it is a powerful enhancement for Mandelbulber, and means to me that Mandelbulber is now finally functionally completesmiley smiley smiley

@Buddhi, feedback from V2.07 .... I have only recently tried the Fresnel's equations for reflectance, and liked what I found. A Beer Cup A Beer Cup A Beer Cup


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mclarekin
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« Reply #18 on: July 05, 2016, 10:27:17 AM »

This is an example of MandelboxMenger hybrid,  with some basics for newbies to the program.

1) In the example the MengerSponge part is run only on iteration 4. A single iteration of another fractal to make a hybrid is often the best practice.

2)  In the Statistics (enable in View menu) you can see Percentage of Wrong Distance Estimations ("Bad DE") is 0, which is good!!. As a general rule less than 0.01 is good,  but it is case specific and 3.0 sometimes is OK and .0001 sometimes is not.

The Raymarching step multiplier or "fudge factor" (Rendering Engine tab) is set at 0.6, which is good for a hybrid. If I change it to 0.7 the Percentage of Bad DE leaps up to 0.25 and you can see the areas of quality loss on your image.

Now if we disable the addCpixel Axis swap Constant Multiplier, we find we can now increase the Raymarching Step Multiplier to 0.9, and get a faster render and visually the same quality.  So monitoring Percentage of Wrong Distance Estimations  is a guide to managing quality. ( Note when doing animations you may want to drop the Raymarching step down a bit to allow for what might happen between keyframes.)

3) MandelboxMenger Hybrids can behave a bit differently to a lot of hybrids, in the fact that the  Percentage Bad DE often improves when you zoom in.



Code:
# Mandelbulber settings file
# version 2.08
# only modified parameters
[main_parameters]
ambient_occlusion_enabled true;
camera 1.872135433718922 -2.023030528885091 1.871963531652841;
camera_distance_to_target 0.005814178381115117;
camera_rotation -28.76425655707408 26.3550335393397 3.450283685696816;
camera_top -0.1604796308669786 -0.4174088010201082 0.894436236356597;
DE_factor 0.6;
dont_add_c_constant_1 true;
flight_last_to_render 0;
formula_1 91;
formula_2 61;
formula_iterations_2 5;
formula_start_iteration_2 4;
formula_stop_iteration_2 5;
fractal_constant_factor 0.9 0.9 0.9;
fractal_enable_2 false;
fractal_rotation 0 -90 0;
keyframe_last_to_render 0;
main_light_beta 44.34;
main_light_intensity 2;
mat1_coloring_palette_offset 12.83;
mat1_coloring_palette_size 255;
mat1_surface_color_palette fd6029 698403 fff59c 000000 0b5e87 c68876 a51c64 3b9fee d4ffd4 aba53c;
SSAO_random_mode true;
target 1.874642452030676 -2.018463533070165 1.874544631933419;
view_distance_max 28.58330790625501;
volumetric_fog_colour_1_distance 3.55841069795292e-06;
volumetric_fog_colour_2_distance 7.116821395905841e-06;
volumetric_fog_distance_factor 7.116821395905841e-06;
[fractal_1]
fold_color_comp_fold 0.3;
mandelbox_color -0.27 0.05 0.07000000000000001;
mandelbox_rotation_main 9 1.74 3;
mandelbox_scale -1.5;
transf_addCpixel_enabled_false true;
transf_int_1 12;
transf_scaleB_1 0;
transf_scaleC_1 0;
transf_start_iterations_M 4;
transf_stop_iterations_M 5;
[fractal_2]
IFS_rotation_enabled true;
mandelbulbMulti_order_of_xyz 2;
transf_scale_025 0.05;
transf_scaleC_1 0;
transf_stop_iterations_1 2;
[fractal_3]
IFS_rotation_enabled true;
[fractal_4]
IFS_rotation_enabled true;
[fractal_5]
[fractal_6]
[fractal_7]
[fractal_8]
[fractal_9]


* MxMg klp1.jpg (205.46 KB, 600x450 - viewed 104 times.)

* Statistics.png (36.09 KB, 433x239 - viewed 252 times.)
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mclarekin
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« Reply #19 on: July 06, 2016, 09:33:34 AM »

This example is using Msltoe's toroidal formula at the beginning of the loop with Benesi  T1 PT as the main frcatal formula.

Here the Percentage Bad DE is 0.28, which normally is real bad, but here just a bit bad, I try and hide it with fog. It looks OK-ish but if I zoomed in it would look worse.
 
Another issue is that the Percentage Bad DE  is possibly more like 0.8 because only two thirds of the image is fractal. The other third distorts the percentage by being being recorded as good DE. (if i have this right?!)

I think that probably the best use of Toroidal, is  to hybrid with other mandelbulbs or julia bulbs.   Often Force Delta DE is required (render engine tab)


Code:
# Mandelbulber settings file
# version 2.08
# only modified parameters
[main_parameters]
ambient_occlusion 0.9;
ambient_occlusion_enabled true;
ambient_occlusion_quality 10;
background_color_1 0000 6100 a200;
background_color_2 0000 6100 a200;
background_color_3 0000 6100 a200;
camera -1.449501223523479 -0.4604426766569994 -0.04080186663962407;
camera_distance_to_target 0.04999999999999999;
camera_rotation -155.7268622546595 41.60501601640856 40.47887049979835;
camera_top -0.7994031650338906 0.1935483956248492 0.568764976316968;
DE_factor 0.1;
detail_level 0.2;
dont_add_c_constant_1 true;
dont_add_c_constant_2 true;
flight_last_to_render 0;
fog_color_1 2200 5400 7500;
formula_1 86;
formula_2 67;
formula_stop_iteration_1 2;
fov 0.5;
hybrid_fractal_enable true;
keyframe_last_to_render 0;
limit_min -10 0 -10;
main_light_alpha 46.74;
main_light_beta 20.56;
mat1_coloring_palette_offset 55.59;
mat1_coloring_palette_size 255;
mat1_coloring_random_seed 63503;
mat1_specular 0.6;
mat1_surface_color_palette 00214d c47900 9acf78 45ffcd 74653f ff9fae d8007c dfa483 ffffff 281223 db362e 0c7e04 000020 ffffff ab7006 0d3430 9d9324 382452 a4b414 b63fff 69bc88 c490e1 7ae569 3c3d97 3734db 78ff37 ff24ff ffffff e56ca4 a5a27a a6ceac 00cb00 a77c7c 71e9b9 c900c6 fb50b9 455347 ff6fff 7baf14 cdb6ff 59781d 7aa2ff ffa3af 7568ea 33cb1a cfb02d 7769d0 e5b099 8beec1 73d9e3 7af557 00be55 005500 1e8864 abb90b 96163b c3aa59 002c2e 948e4c ffffff 200000 ffffff 80ffff fa7371 24425b 6a659f 3b45e6 40e030 ffffff 15d8e8 140535 0ad39f 71ae88 6acfcd e5913b 33ff5e 003962 3197db 58b900 735387 286e5a 13139f 2ee363 bc5571 ffffa5 1ac4d6 020082 ffffff 669f71 00a082 f39162 3ee5f3 6862b0 2fa40a 50b335 efef18 f3ffa8 64b288 49ff82 1b00c1 6bb544 49e087 ffffff ffffff ffffff 39ff9b c2af3f ffffff ac763a ff6249 2a76b2 ffffff 30ada8 7f967e de3246 d1843d c33700 9ac3ff ffffff ffffff 90e619 d7a595 0067bb 155717 383dff 2e685c 36b4b7 80a8a1 ff4f98 9c8b16 d1184d f6e19b 9fead4 b8ffff 1e1d1c 8789e8 01cf1a e8aa94 2d41ff 5e2428 b39ca8 4564ff 2b77e1 ffffff 00bc0b 9756d7 2cccf9 bca700 4a914a f632a8 a2f97b ffffff 390066 947377 ffffff 995115 dc2ae1 7c8ae1 1bb164 2b0b97 836572 27d8ff 278fa4 a34c5d d5b739 fe47eb 8ffcb5 ffffff 99c3af 74c605 1fa81c 9d9832 a9ff50 997272 ef3129 ffcb5d 4b5372 dcb898 817034 2f5fdd 00b178 e32e1f ff4863 38afb4 d578c3 c367ff 238e65 7fe8ff 08198a ffe40e 76a744 282425 faffc9 8b5aff ffffff ffffff 83b37c ff4eff b9b370 277478 005500 005500 ffaa68 73b3a3 740053 ff8464 b2c684 7d6aba 6bbd21 cb437c 40d2bc bbd5d0 40cd83 ad0038 827a79 64393c c2cd53 77a824 7a3dec 00c8be aec68a 3d0aeb 70dcdc 9656b4 665508 a9611c 2b2c0f 8cb000 f57c9a 00664c 609000 9fb91c 89c51a 4d9069 59d500 5fff60 788a72 36aea3 84bb96 abdfc1 3fc411 8e7a46 6b9b99 497bfc 6b9a74 65183d 9b7357 00a337 a80000 b17a3d 37ffab 9ca098 5c6421 3771f3 ec8a64;
N 56;
SSAO_random_mode true;
target -1.43413191401183 -0.4945245187118327 -0.007602282797585715;
view_distance_max 1;
volumetric_fog_colour_1_distance 0.007599033804437093;
volumetric_fog_colour_2_distance 0.01519806760887419;
volumetric_fog_distance_factor 0.01519806760887419;
volumetric_fog_enabled true;
[fractal_1]
analyticDE_enabled_false true;
mandelbox_folding_min_radius 0.3;
mandelbox_rotation_main 45 0 0;
mandelbox_scale -1.5;
transf_addition_constant_111 1 1 -0.1;
transf_addition_constantA_111 1 1 -0.1;
transf_constant_multiplier_111 -0.8 1 1;
transf_scale_2 2.5;
transf_start_iterations 250;
transf_stop_iterations_C 1;
[fractal_2]
transf_constant_multiplier_100 1 0 0.8;
transf_start_iterations 4;
[fractal_3]
transf_function_enabled_false true;
[fractal_4]
[fractal_5]
[fractal_6]
[fractal_7]
[fractal_8]
[fractal_9]


* msltoe toroidal T1PT bbb5 285.jpg (216.11 KB, 800x600 - viewed 105 times.)
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Caleidoscope
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« Reply #20 on: July 06, 2016, 02:19:52 PM »

I received a warning from SourgeForge that a new version was available of Mandelbulber v2 - 2.08,
http://www.graphic-unlimited.com/photos/1467809524_808898130.jpg

Maybe it would be an idea to do the same here.  That whenever there is an update or a new program all members that are interested receive an email with this news.  And it would be nice when a thread about updates or new programs are discussed in a way that it stays in the spotlight so to speak.  Perhaps a special section that is an eye catcher on the side to draw attention.  

It also would be nice (if possible) that members for example like me that don't understand all the ins and outs of a program could be more interested for these programs.  It can be quite intimidating for members/newbies to listen ( roll eyes to the flood of technical details.  I understand that you can't make a version for 'fractal dummies'  wink  but maybe there is still a way to make it more attractive.  It would be good for more attention and stimulate people to dare to use a program they don't understand or just for a bit.

Whatever, I'm glad you fractal-wizards take the time and the effort to make these great programs for us to use.    A Beer Cup A Beer Cup
« Last Edit: July 06, 2016, 02:53:49 PM by Caleidoscope » Logged

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Buddhi
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« Reply #21 on: July 06, 2016, 05:39:59 PM »

I received a warning from SourgeForge that a new version was available of Mandelbulber v2 - 2.08,
http://www.graphic-unlimited.com/photos/1467809524_808898130.jpg

Maybe it would be an idea to do the same here.  That whenever there is an update or a new program all members that are interested receive an email with this news.  And it would be nice when a thread about updates or new programs are discussed in a way that it stays in the spotlight so to speak.  Perhaps a special section that is an eye catcher on the side to draw attention.  

It's good idea about mailing list. I have to find some solution how it could be managed, because actually I don't have any list of users. Maybe cKleinhuis can help us in this matter. I have also to think if I can implement this directly in the software to inform users if new version is released. The program could check if newer version is already on the SourceForge server.
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cKleinhuis
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« Reply #22 on: July 06, 2016, 06:23:16 PM »

theoretically it would be possible through some kind of webhook that is triggered through a master github branch release or something, BUT it would be some handwork needed, we do not really have a close connection to development servers, and i am not aware of a board plugin that could do such, informing users wont happen throughout the forums because sending of emails is always a pain, a notification system on a per user base is not known to me at the moment as well

we could implement some auto webhook callback that someone could connect tio github, but i am not aware of what others things might come out of it, creating a thread for a new official release is the only thing we can offer, and it is not too different from current method sad
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zebastian
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« Reply #23 on: July 06, 2016, 09:08:36 PM »

What about a classical mailing list at gnu:
https://lists.gnu.org/mailman/listinfo

You can Register/unregister in the webpage of GNU (really easy and intuitive) then you can send a mail to mandelbulber@gnu.org and all subscribers will geht the message delivered. I am in a couple of mailing list and this system works Quite well.
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mclarekin
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Posts: 1739



« Reply #24 on: July 07, 2016, 10:38:01 AM »


Example of using Transform_Menger Fold

On this transform UI,  the standard menger sponge formula is split into a start and end function. The simplest way to use this transform is in Hybrid Mode, having the menger fold transform in slots 1 & 3. In slot 2 place any linear type formula or transform. (ie more mengers, kifs, mboxes, amazing surf, folds, rotation , Benesi T1 etc).

In slot 1 disable the stop function  and  in slot 3 disable the start function, resulting in a standard menger sponge with something in the middle.

BTW in fact you can mix around with the start and stop functions have all enabled if you wish. Generally linear functions all work well together in making hybrids.

In Statistics, maximum is 79 iterations. Generally hybrids take longer to render than standard formulas.

As well as adjusting formula parameters, you can use the iteration controls to tweak hybrids. In this example the first slot is set to repeat for 5 iterations before moving to slot 2. Slot 2 is set to stop at iteration 12, whereas slots 1 & 3 can continue to  default end iterations = 250 (but actually have met termination conditions (bailout) before iteration 79). 




Code:
# Mandelbulber settings file
# version 2.08
# only modified parameters
[main_parameters]
ambient_occlusion_enabled true;
camera -1.528388569045064 -1.23063017895654 -0.0251755516595821;
camera_distance_to_target 0.0004503351519815117;
camera_rotation -14.07789975269277 -44.28785609194563 3.773777260910995;
camera_top 0.2333184436621841 0.6598138513697914 0.7142885869084139;
DE_factor 0.7;
flight_last_to_render 0;
formula_1 1052;
formula_2 1010;
formula_3 1052;
formula_4 1009;
formula_iterations_1 5;
formula_start_iteration_4 45;
formula_stop_iteration_2 12;
formula_stop_iteration_4 5;
fractal_constant_factor 0.9 0.9 0.9;
fractal_enable_4 false;
hdr true;
hybrid_fractal_enable true;
keyframe_last_to_render 0;
main_light_alpha 2.6;
main_light_beta 1.59;
mat1_coloring_palette_offset 46.51;
mat1_coloring_palette_size 255;
mat1_coloring_random_seed 647723;
mat1_diffusion_texture_intensity 0.88;
mat1_file_diffusion_texture /home/graeme/mandel textures/grass_lrg.jpg;
mat1_surface_color_palette 3ef085 9b8082 dd408e adff6b ffe88f aea4b3 b765af 724290 faddb0 8c66a5 ff56a2 c966ff fcffd3 9aff83 808134 9909db 898900 778e4b 005aa1 cb1889 2f335e b05399 5526aa 0c3573 07c26b a84858 ffffff 1c0c44 b25bec 698148 c2167a 2b5f00 63463b e765c7 52ffe2 fda790 580016 ff8da7 f2718a 4878ff 4adacf ff65fe b9711c ddea46 af445f 75200a cac693 d10086 4eb466 4d46d5 c7d8ff 67ffaa b16804 c0c273 8867ce 52df85 ad422b 7d0099 aa0000 ff6a4c f6b8af 000e57 3a7aff 85d0a1 497000 d5b38a 000099 29f55f ffbe5c c9ff20 ff88ff 0c4893 8b17c7 70e67d 529c84 f8ffc4 dd5dcd 750089 364e85 ca8d2a 2a0081 e8d342 bcd1b6 7b1333 85c451 abd282 98c800 cc6976 0e3b4c 7f9ee4 ff6dc7 21009b 987c87 bd1c75 e2b549 b856be 35789f cfaeb2 ba2400 24ca2d 25070a 768e75 81a005 960000 fd7181 2fc300 e89c54 d08e69 590058 070c38 86e1e7 3389a6 4dbebf 269200 bac5d6 40a39d ab0ad8 362349 a6ffd1 76bbcc 4a249d fb6b51 925166 009947 87ea5d b44824 1557c6 3f1a53 5650aa ad66ac 3ea642 1df0de 646484 9dffec b00cb2 154486 44c444 b1ffff ec4dd9 d9a756 00dd87 a4ffe9 1cffa8 cab354 405e9e 480730 1571ae bb268f 551d00 e2a3ff 9d2dff 2cf0f8 a0560e 9bf992 06690e 113aab 001706 669c6f 2d1c00 2034f7 b2386b 00789a ff48cf 34085b 877429 600068 6a8f45 e6a18a 53ff98 dd3eb0 003dc7 000000 550e14 a8953b e61d28 000635 aeb06b 193f47 47b800 d2ffff e57e00 e37067 75501c b36f40 56cd7a ffa740 237f58 fa6ad6 50ffc2 4efdb2 1e0016 bbffeb 85afb7 7bb2c6 000026 9886ba a34bff cca62d c0ffff 2e70b0 2d61b2 a62cb0 cb2bb8 8f1afa 68be29 ff48fc 00567a 7178f0 b40a1e 5bfffc 16a46c 38c6b9 ab52cd 0f28b0 6eff80 66534e ff2b41 ffe952 884af4 fdc911 adb261 76b21a 3f5200 c0616b d33700 c22abd 63ffff a16323 5be98f 53b05c ffdc41 56923f a94502 73ff7d 78c9fa 559545 ef080f ff23d5 404479 8500cb d2a3b3 8c5b07 646b72 db6202 2f877a 62007b cdaa8b 324793 b781ff 4364d0 e21e05 36b439 aa86bf ffea81 2fffb4;
mat1_texture_mapping_type 1;
mat1_use_diffusion_texture true;
SSAO_random_mode true;
target -1.528310155903731 -1.230317492741513 -0.02549000429402527;
volumetric_fog_colour_1_distance 3.55841069795292e-06;
volumetric_fog_colour_2_distance 7.116821395905841e-06;
volumetric_fog_distance_factor 7.116821395905841e-06;
[fractal_1]
transf_addition_constantA_000 -0.071633 0 0;
transf_function_enabledy false;
transf_int_1 12;
transf_scale 0.5;
transf_scaleC_1 0;
transf_stop_iterations_1 2;
[fractal_2]
transf_scale3D_333 1.055556 1.027778 0.861111;
[fractal_3]
transf_function_enabledx false;
[fractal_4]
[fractal_5]
[fractal_6]
[fractal_7]
[fractal_8]
[fractal_9]


* transfMgrFold qwa2 800.jpg (163.84 KB, 800x600 - viewed 106 times.)
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mclarekin
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Posts: 1739



« Reply #25 on: July 07, 2016, 11:15:34 AM »

In the example above, slot2 of the hybrid sequenced ended at iteration 12. 12 was chosen because how it fitted into the iteration sequence, as follows:

Slot1 x 5
0,1,2,3,4  iteration numbers (note first iteration is iteration number 0.)

slot2
5

slot3 
6

slot1 x 5
7,8,9,10.11

slot2
12  // last use of slot2

 sequence continues slot1 x 5, slot3, .....to bailout.

So slot2 is used only twice in the iteration process. If I had entered 11 instead of 12 for slot2's stop_iterations, then the slot would have been used only once, if I entered 19 then it would run three times.
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paigan0
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Posts: 200



stephen.sink.9
« Reply #26 on: July 09, 2016, 02:15:21 AM »

Buddhi,

I've very much enjoyed Mandelbulber and I've been using it daily for over a year now, through several different versions. I've been struggling to figure out the OpenCL version, and I think I've got most of it figured out. I wish I could do more OpenCL fractals than just the Mandelboxes, Bulbs, and a couple of other minor algorithms. I set up a render farm with a couple of hundred cores and I've been producing about 1 CPU video and 3-4 GPU videos a month. I'm a multi-instrumentalist composer, writer, and producer and musician, and I wanted to make cool videos to go along with cool "soundtrack" music. I've put the two together and have done a bunch of "3d Fractal Animation and Music Videos" and post them on Youtube and better quality Vimeo at my channel called "Fractals."

https://vimeo.com/channels/fractals

CPU render farm: 215 cores
GPU: 2 sets of GeForce 980s overclocked.

I've never posted here to the forum because I didn't want to get in the way of the pros. But reading about how you didn't get much feedback, I can certainly do something about that! I've had a whole host of issues that I've resisted asking questions about and just tried to figure things out for myself. I'd love to give you more feedback. But just wanted to say Hi and thanks for this wonderful program. I've done almost 50 different 30 FPS videos averaging around 7000 frames per video or so. My early vids are primitive compared to finally learning how to use the focus effects, and textures. I can't wait to dig into more textures here in the new version. Thanks again for the awesome Mandelbulber software, both the CPU and GPU versions. And please I'd love it of the GPU version could do more fractals than just Mandelboxes and bulbs. It's just SOOOO much faster than brute force CPUs.

Thanks again! Cheers!

Stephen Sink
paigon0
Paigan Productions
Proud Chapman Stick player
https://www.youtube.com/user/paigan0
https://soundcloud.com/stephen-sink-1
https://vimeo.com/channels/fractals
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Stephen (Steve) Sink, Paigan Productions
(SoundCloud) http://soundcloud.com/stephen-sink-1
(3D Fractal Music Videos) http://vimeo.com/channels/fractals
taurus
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« Reply #27 on: July 09, 2016, 11:43:35 AM »

So, finally I had a little bit of testing. Here some observations:

positive I see the translation. The native german version is very convincingly translated. Maybe some things - ambient occlusion, just to give an example - should stay english, as they are more common as the translation.

A serious issue, I had in the material editor.
Placing the texture center is hard, if not next to impossible.
  • the numbers are limited to 5 decimal digits. It says relative to object, but in a moderate magnification I had to fiddle around in the third digit, so I assume some sort of absolute placement
  • there is no way (I didn't see one) to grab a point from image
  • even in combination with the measurement tool, it is not operational, as the texture center did not accept copy/paste values (the texture scale does, which is useless)
I managed to place a texture pecicely, but only with a lot of manual adjustment. (I attached one  wink)

Annother issue I had with the slider for transparency of volume. it starts to jump around between two visible scales, when leaving 1 (the slider's length on screen jumps between two states). I attached a screenshot, to show what I mean.
At this point I think it's time for a general note about the slider concept. For me, many of them (or should I say most) are useless, as they are not fine enough, have an unappropriate scale or simply do not act as expected. If this is an attempt, to create a m3d-like GUI, it is more than half-cooked. M3d users (and I am one) won't feel familiar with it - sorry to say that.

All in all, the new material manager is a pretty good start. It acts like I am used to from professional 3d bundles like c4d or blender. Further features could be image maps for transparency or an alpha channel to stack more than one material. Besides that you're on the right way, I think.

System: WIN 10 home


* menger03.jpg (132.05 KB, 683x512 - viewed 100 times.)

* above.jpg (35.59 KB, 424x208 - viewed 170 times.)
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Buddhi
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« Reply #28 on: July 09, 2016, 12:56:18 PM »

Thank you @taurus. You gave me a lot of useful information. It's my first attempt to implement texture mapping, so it needs many improvements.
About positioning of textures, what you think about following solution:
- Indicate point where top left corner should be placed
- Then indicate top right corner to set horizontal scaling
- Finally indicate bottom left corner to set vertical scaling
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taurus
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« Reply #29 on: July 09, 2016, 01:11:09 PM »

Thank you @taurus. You gave me a lot of useful information. It's my first attempt to implement texture mapping, so it needs many improvements.
About positioning of textures, what you think about following solution:
- Indicate point where top left corner should be placed
- Then indicate top right corner to set horizontal scaling
- Finally indicate bottom left corner to set vertical scaling


Sounds great, if you leave the manual adjustment untouched. They are maybe useful for fine tuning.
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