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alain
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alain


Number of posts : 23529
Localisation : Dompierre sur Veyle ,France
Registration date : 2005-04-19

Seamless - Page 38 Empty
PostSubject: Re: Seamless   Seamless - Page 38 EmptyWed 4 Jul - 23:10

I dont want to bore Thyme ,
but I am very happy because I gave samd a cyber lesson in live with Facebook ,
and ..I am very happy Smile

Seamless - Page 38 Roee913

Seamless - Page 38 Roee914

of course he has for the moment strange results , lol , but he will repair Smile

Seamless - Page 38 Roee911


Last edited by alain on Fri 9 May - 14:28; edited 1 time in total
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thyme
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Number of posts : 506
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyThu 5 Jul - 14:17

Thanks very much Alain for helping teach Seamless  bravo  I am truly indebted to you  Mr.Red

to answer your question about using references for the hairs, you could do this like I show in this tutorial “Duplicating Objects Using References”
http://www.seamless3d.com/tut/ref_obj

but I prefer here to keep each strand of hair individually generated by nurbs so that each strand can be controlled individually.

Referencing can reduce file size significantly but I don't think it will make things render any faster.

I have been thinking more about those images you showed Alain where you get the same type effect I have been getting with my hair just by having multiple lines running in parallel. I wonder if each strand of hair was coloured slightly different if this would help.

Speaking of textures, the new version of seamless will let the artist paint inside the 3D window using a brush much like a typical 2d paint program but you will be able to paint 3d objects directly.

I don’t know if this tutorial will be of any help to samd:
http://www.seamless3d.com/tut/texture_mapping/

Seamless - Page 38 Multi_select
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alain
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alain


Number of posts : 23529
Localisation : Dompierre sur Veyle ,France
Registration date : 2005-04-19

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PostSubject: Re: Seamless   Seamless - Page 38 EmptyThu 5 Jul - 19:09

thyme wrote:
... the new version of seamless will let the artist paint inside the 3D window using a brush much like a typical 2d paint program but you will be able to paint 3d objects directly.

wow !! very interested !!!
all I tried, since ages ,  to get to do tat was
or not free,so I leaved it,
or

I was not able to use it ...

so I wait your new version , Thyme !!

Very curious to see that !!!

ps : about samd, he had to fix translations and rotations,
but it is ok now ..


Last edited by alain on Fri 9 May - 14:29; edited 1 time in total
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thyme
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Number of posts : 506
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PostSubject: Re: Seamless   Seamless - Page 38 EmptySun 15 Jul - 11:07

Alain wrote:
do you remember that ? lol :

http://alaindumenieu.pagesperso-orange.fr/artvrml/270706.htm

Yes I remember Alain Smile, this was all made before seamless used nurbs or bezier curves, it would be fun to try making braids and a horse again using stitched nurbs patches, should be a lot easier however one can never be sure until one has tried. The circular bend (CCBend) I used back then may have been advantages for making braids.

Revisiting my spaghetti hair, I increased the number of strands from 149 to 258 (each strand planted by hand), decreased the diameter to 1 mm and made it semi transparent. Thinner strands reduces the fullness but despite this I feel it looks better. I am very happy with how the transparency gives the hair a softer more hair like appearance Mr.Red

Seamless - Page 38 Img1b52f9129a07a48049a2f5f3063daccc

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alain
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alain


Number of posts : 23529
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PostSubject: Re: Seamless   Seamless - Page 38 EmptySun 15 Jul - 11:36

I am working on the next exhibition for MixED,
and I found that below yesterday ,
LOL it is for you , Thyme Smile

https://fbcdn-sphotos-a.akamaihd.net/hphotos-ak-ash4/422834_3082508954790_1625829812_2564347_1609497071_n.jpg
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thyme
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Number of posts : 506
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyTue 17 Jul - 15:50

I can obsess about anything Alain Smile especially when I am allowed to spend all my time focusing on a problem.

I added some more hand planted strands bringing them to 300 and then quadrupled them using my algorithm bringing the total number of strands to 1200.
Took Povray 2 hours and 41 minutes to render but would have been a little faster had I left Povray the main focus for the entire time.

Seamless - Page 38 Img9b3b5d1e3e5ba18421423b65f1eb6611
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyTue 17 Jul - 16:27

That seems perfect , now , inst'it ?

I have several ancient pupils who are working as hair-dresse , I could ask them Smile

hey , Thyme , other matter please :

what about your painting way in next seamless3d ? ready ??
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thyme
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyTue 17 Jul - 22:53

After rendering this hair last night I felt very happy Alain that I had finally got a full head of hair that has a nice soft appearance. (I had done tests before with dense hair that looked horribly like the strands were made of wire). However when I look at the previous picture posted here I can see how you loose being able to see all the individual strands of hair when you have a full head of hair but I can understand this may be only due to myself looking at hair and analysing how it looks for too long lol but it would be nice to render a movie with far fewer strands just for the time it takes. It seems though the next generation of video cards will be able do all this and more in real time.
This advertisement from NVidia shows their latest video card ray-tracing water and glass reflections in real time (no time waiting for the computer to render the image):

https://www.youtube.com/watch?v=um6rMjwSNdU

So seems the processing power is just around the corner to be able to ray trace my hair in a fraction of the time.


Just a few months ago before I started developing the new hair node, I made it so I could plot a pixel on a 3d textured object where ever I clicked (this was surprisingly easy to do) and then I made it so I could drag the mouse to plot a line of pixels. The next thing to do is make it so you can set a radius for the paintbrush and have the pixels fade out like a spray can feature which you will typically find in a 2d paint program. I have already done this for color per vertex painting (not online yet), so there should be nothing too challenging left for me to complete my texture painting feature. However I have taken on quite a few major challenges for the upcoming version that are not yet fully resolved so I must try hard to not take on any new ideas or I will be unable to complete it before the end of the year lol.
If you are eager to test any feature out before it is ready, please let me know and I will see what I can do to upload something that can be played with before all the new features have been fully resolved.


Last edited by thyme on Wed 18 Jul - 1:29; edited 3 times in total
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyTue 17 Jul - 23:10

Take your time , Thyme , your TREE of reason must stay your master ,
not the guys on web ,like me , forums-addicts Smile
Have the GeForce with you Smile

Btw I found a very funny tool recently , I will show you , Ok ??
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alain
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alain


Number of posts : 23529
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyTue 17 Jul - 23:13

btw what shows the GForce video at the end is fantastic.

I wonder what my sons will watch when they will have my age , LOL
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mark
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Seamless - Page 38 Empty
PostSubject: Re: Seamless   Seamless - Page 38 EmptyFri 20 Jul - 15:15



thank you thyme its really helped me..!
i just read it now....

i asked that in PM alain and he said thyme answers to this question before to me.
lol...
very funny...
i just never read this message sorry
ok so its helps


Last edited by samd on Mon 5 May - 3:27; edited 1 time in total
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thyme
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyThu 26 Jul - 16:13

Hope the tutorial will be helpful samd., Please let me know if you have further questions when they arise.

Alain wrote:
Btw I found a very funny tool recently , I will show you , Ok ??

Sure Alain but I am probably too busy to play with it myself but I am interested to hear about it.

Alain wrote:
I wonder what my sons will watch when they will have my age , LOL

I think life will be so well simulated it will hurt when your avatar falls Wink



Because this looks quite nice I thought I share it before I ruin it Smile

Seamless - Page 38 Img95f8c2d880e2fc25364e16a5e5e86432

There are 1200 non transparent strands randomly distributed by the computer. The shape of the hair is controlled by 3 nurbs patches.
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyThu 26 Jul - 17:03

dont ruin it !!!

It is very good !!

sort of seamless3d entering in pop-rock-punk ages Smile
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyMon 6 Aug - 3:19

Thanks Alain Smile If I only had to make Punk hairstyles life would be easy lol

This was my first attempt to cover the rest of her head the same way I added the first band of strands on the top. I quite like it but it looks rather like a furry hat to me:

Seamless - Page 38 Img8065301370428bf80bf9f9c6249347cc

A different approach to complete covering the head by adding clumps of hair one at a time which seemed to get better results but it proved time consuming making each clump fit on the scalp:

Seamless - Page 38 Img80e7397221021b60725a47c078b91b81

I decided instead of adding individual clumps of hair, to instead try beginning with the whole scalp planted up so as to bypass the time it takes to make each clump fit on the scalp. This picture shows 4400 strands planted randomly all over the region of Lucy’s scalp waiting to be stylised:

Seamless - Page 38 Imgf65e7232353f4c2c177a8e884f2e9ea1


I thought just the parting of the hair with this new approach to form the fringe was interesting enough to share Mr.Red :

Seamless - Page 38 Imge8c3d6ba043eb467e4aa82bc3de50396

Here is my first real hairstyle derived from the 4400 straight strands radiating from the scalp:

Seamless - Page 38 Img4b725e96da6308babea99cf1fc7bc4d4

Here is a variation where the fringe is broken up into spiky locks making it look more wild:

Seamless - Page 38 Img96fd4cf2cf19e4eb568fa71ceed7aa87

Mr.Red
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyMon 6 Aug - 12:29

woww !!!!!

cheers

cheers

the old horse tail story was great , but this one is wonderful too !!


that remembers me too plastic pupets and their hair , just to say that we could see ,
when looking near that each hair was put on the head Smile


btw the last pic is great
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyMon 6 Aug - 14:30

well that is just a "logo" for ome days , but I like it
( with your permission )

Seamless - Page 38 Hairlo10
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyTue 7 Aug - 17:41

I was surfing , surfing , suffering , LOL

I falt here
http://graphics.cs.williams.edu/data/meshes.xml

No idea why this guy archieve all that ...
but the HairBall is very strange : 150 MO in vrml from obj !


for me the PDF paper is chinese, LOL :

http://www.tml.tkk.fi/~samuli/publications/laine2010egsr_paper.pdf


Seamless - Page 38 Hairba10


Seamless - Page 38 Hairba10
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thyme
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Number of posts : 506
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyWed 8 Aug - 17:50

I am always flattered when you want to use any of my stuff Alain Smile

Many triangles are needed to generate this hair for Lucy. Sometimes I wish we could just use veils like this pretty Syrian girl:

Seamless - Page 38 4341419-Syrian-Girl-Damascus-0
http://www.travelblog.org/Photos/4341419

which looks very nice and would save on zillions of triangles Mr.Red

The smls files containing all the nurbs patches that define Lucy's hair is 1.6 meg in size and when output to povray the povray files are 58 meg !!!
This sounds like a krazy amount of triangles just for the hair but when I think how I only have 4400 strands of hair and the nVidia hair examples have 18000 strands rendered in real time it makes me feel justified in using this many triangles here in the West lol.

I glanced through the pdf file from your link. This hairball seems to be used as an object to test “Ray-Cast Ambient Occlusion” rendering.
This hairball is indeed a strange object, The strands look much like thin pieces of bamboo or wood and I notice many of them going through each other but what's really strange is it looks like holes are made for the bits to pass through each other. Why is this done? I do not know lol Smile
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyWed 8 Aug - 18:24

thyme wrote:
Why is this done? I do not know lol Smile

LOL , same here in france Smile)
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyWed 26 Sep - 21:08

Hi Alain Mr.Red Just to keep you updated with the progress of the new hair feature.

I have been developing a feature that allows the user to define regions so that the hair strands can be grouped for the locks. The regions can be selected and seeded with any density of strands:

Seamless - Page 38 Imgda39703177f4b62e939ab98342605744

Simple long straight hairstyle utilising poly regions:

Seamless - Page 38 Img953deb7b3868a51715f1f4a95ef8ef06
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyWed 26 Sep - 23:51

thank you to let me know , Thyme
plz continue to send news , plz ,
even I am busy with school and videos nowdays ...

I must add that I didnt took time to let you know that we had probs with my server recently ,
I dont know if you saw it ,
but we will restart in 1 or 2 days , scuse ...
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PostSubject: Re: Seamless   Seamless - Page 38 EmptyThu 27 Sep - 0:29

Sorry I missed that there was a problem with your server Alain but I know now so thanks for letting me know Smile
I have been noticing lots of videos being uploaded to your channel.
Hope you soon get some time to enjoy life, take care dear friend Smile
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alain
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alain


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PostSubject: Re: Seamless   Seamless - Page 38 EmptyThu 27 Sep - 0:43

thyme wrote:
...I have been noticing lots of videos being uploaded to your channel.

LOl yes *blushing" Smile

but I said the truth today there , Lol

Quote :
I am sorry to bore the few friends who are receiving my "subscriptions",
but I have now a new friend who is unable to view my 3d worlds , vrml, so I must make videos to have him understanding a bit my recent works. Scuse but some others will follow because 123dcatch makes me crazy since june Smile
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PostSubject: Re: Seamless   Seamless - Page 38 EmptySat 29 Sep - 1:48

lol no worries Alain Mr.Red

Still looks better transparent but I fear is impractical for animation because of the time it would take to render all those frames:

Seamless - Page 38 Imgc3d70c35a3f594ac794874076d93ff2d
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PostSubject: Re: Seamless   Seamless - Page 38 EmptySat 29 Sep - 17:18

I went to take a look at your forum, and I found that

( very funny )

Quote :
I know however when I see others using seamless they do things I never would do so others will test scenarios out that have never been tested by me.

I recognized myself LOL...

Well , a question , Thyme :

How made you your forum ?? How you secured it ??

One day after I beagan a forum on my server, mixed3d.net ,
all the server had been hacked and closed by OVH.

Reason why Bertrand has still to repair it ...

I used wordpress , if I remeber well , humm not sure ...
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