Is This The Alternative to UV Mapping

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In today's head-to-head comparison between Ptex and UvMapping, we'll explore which of the two software is the best in 3D character creation!
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Опубликовано:

26 июл 2024

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Комментарии : 107

@ThePopulus89 10 месяцев назад

Skip to 8:30 for the actual explanation. Video reads like one of those auto generated articles where the first 5 paragraphs are just filler. It's called ptex and it uses the same principle as vertex painting, only each face has it's own UV. Also the dread of uv mapping is overstated, it's just that each software has it's own UV workflow. The basic principle is easy, set seams and peel off. Tedious, but not hard.

@bobsteven2363 10 месяцев назад

Ptex does not use the same principle has vertex painting. Its exactly the same has uv mapping. All it does is make every polygon face its own uv island which can be done with regular uvs with any basic 3d software. Under the hood, it does use a different file organization system, but it doesn't bring anything new to the table. After seeing this video, I immediately opened substance painter and in under a minute, I had the same set up

@ebelesaurus2 10 месяцев назад

I don’t understand the dread for uv mapping. I just put on a podcast, music or an audiobook and turn my brain off. Maybe for game/real-time artists where you gotta preserve as much space as possible and you can’t really be having tons of udims so it’s almost like playing chess, but for us working in animation and VFX? UVing is so much easier.

@zedeon6299 10 месяцев назад

It's not hard but time consuming, depends on the assets, if the assets has hundreds of small objects it will consume a lot of time to UV unwrap

@zedeon6299 10 месяцев назад

For the example is uv unwrapping a train model that I worked on, it took me a whole day to UV it

@inkman002 10 месяцев назад

@@zedeon6299if it has small objects its best to automap them. No need creating uv maps for small objects that wont be seen. Uvs are for large areas that are readily visible.

@DeepuVS 10 месяцев назад

@@zedeon6299Is headus UVLayout a good software for UV unwrapping/editing?

@rw7717 10 месяцев назад

I don’t have time. Honestly,

@ClannerA01 11 дней назад

0:20 and all that's left is the easy texturing part LOOOOOOOOOOOOOOL Good one!

@rossknowles5608 10 месяцев назад

i can get a sense that Ptex for texturing more intuitively would be useful... and perhaps be helpful as a guide for a later stage of traditional unwrapping. for example... a models visual texture might include particular shapes or natural "seams" graphically (metal here, plastic there etc) allowing them to be identified in a more informed way at least. i do something along those lines using the vertex colours.. either to literally colour an object, or as a notepad for the surface of the object. marking parts of objects to help guide the UV unwrapping... plus theres the whole "baking vertex colours" or "image to vertex colours" approach to generate a marked up 2D guide for the image texturing. its actually pretty good that there are some different ways to think about an objects texture and the processes involved. decals for example.. obviously lend themselves to a kind of "stamp" approach, or a solid colour man made section of an object using vertex colours. thanks for the intro to Ptex. hadnt heard of that before

@VictorMan289 10 месяцев назад

A reminder that UV mapping needn't introduce distorsions, unwanted seams, or stretching, as mentioned in the video, if done properly., depending on the specific application.

@dvl973 9 месяцев назад

it usually does require seams on certain topologies

@Tigerhearty 9 месяцев назад

especially if you use programs like unfold3D now it's very very precise and faster then before.

@VictorMan289 9 месяцев назад

@@Tigerhearty sure, you can use 3rd party apps like rizom or unfold 3d to do uv mapping, although unfold3d features are pretty much baked into 3ds max unwrap modifier. I’m of the opinion that stripping down the complexity of the workflow leads to cleaner results.

@Nekotico 2 месяца назад

The idea is to save time, if, like me are a character designer and wanna show products fast that's a step that harms your efficient, ofc if u are a person that work on texturing artist, I'm on your side and u r right but other way....its a hard time consumer if ur not specialized on that

@gstreetgames2530 10 месяцев назад

Now if only somebody made a Ptex to UV map plugin for Blender, we would have the best of both worlds! I absolutely HATE uwv unwrapping and the tedious process of it all. I hope that AI can eventually replace this 'job' as soon as possible, to make art creation less of a daunting slog.

@stickguy9109 10 месяцев назад

Lol I opened comment section to comment exactly this.

@CosplayZine 10 месяцев назад

AI may just replace you not long after that.

@gstreetgames2530 10 месяцев назад

@@CosplayZine Sorry, I'm not afraid of you replacing me. I have important things that you will never will have, originality, purpose, freewill and courage.

@Tigerhearty 9 месяцев назад

oh yeah right even more unoptimization under unreal engine 5 games, great. Go make 128 GB nvidia cards before suggesting something this stupid.

@NoelF_Artist 9 месяцев назад

Well no, actually you steel need UVs and always need UVs. And don't wait for AI or something, just use Houdini and his procedural UV unwrapping ;-)

@DarrylCross 10 месяцев назад

Interesting. Ptex does seem like it would be the most intuitive way to work; it's much closer to the analog counterpart of painting a model. The kind of thing any Tabletop wargaming hobbyist could pick up in an afternoon. UV isn't bad, but it's certainly not nearly as intuitive to someone encountering it the first time. The best thing would be if there was a way to automate a conversion between Ptex UV: at a glance, going from Ptex to UV would seem to require building a single cohesive texture out of many, the UV to Ptex would seem to require taking the faces and creating their own textures based on their current position on the UV grid.

@neilgordon1981 10 месяцев назад

I suspect that, short of a very intelligent algorithm or well trained ML model for the task, the process of converting between ptex and UV would be to make the map you didn't start out with manually (ptex or UV) and then project from the one you started with onto the other. I've made procedural textures with a mixture of non-uv mappings (think world-space or local-space coordinate systems) and you can then create the UV and project onto it (bake it).

@mica4977 10 месяцев назад

I could see how it would be useful to utilize PTec early in to rough out colors & a sense for the character/model before committing to the textures permanently. In case some deforming or further editing is needed on the model. Once done texturing, going back to create the UV map(s) & backing that high resolution texture on to a single (or lower number of set of) image(s). For animating scenes (like for promo work) the Ptec could still be used & the uv mapped textures could be utilized in the game or while quickly roughing out the animation if they're faster to render.

@popecillo 10 месяцев назад

ptex was released as opensource about 10 years ago and some applications tried to integrate it but it was a big failure, thank you for raising this dead man, but please let him return to his grave

@jacquesbroquard 10 месяцев назад

Thanks! Maybe add a follow-up mini video about what software platforms are currently supporting Ptex in their pipelines and outline wht athe workflow looks like and the memory considerations on a sample cube versus a 1Million polygon dense character mesh, etc.,

@nourghafarji 10 месяцев назад

i used Ptex way back like 12 years ago maybe, and it's a shame this technology is not being supported and carried over to nowadays applications, Maya still render it i think without any issues

@pianoatthirty 9 месяцев назад

UV unwrapping, like Retopology, are things that a computer should be able to do automatically. End of story. Quad Remesher is a life saver, but does anyone know of something similar for 'smart' auto UV unwrapping?

@Eriodas 10 месяцев назад

Ptex seems to be more oriented to movies, Films and other specialized CG cases right now. I'll stick with UV's for simple modeling.

@brekol9545 10 месяцев назад

that looks quite usefull

@milty66 10 месяцев назад

you pay for convenience on either side of the equation. ptex is detrimentally inflexible for realtime artist workflows

@JC-ov8ko 10 месяцев назад

You make UV mapping sound like torture. I’d rather UV map than retopo all day. But I guess you need to do this for a dramatic comparison. I want 10+ minutes of my life bak!

@NightVisionOfficial 10 месяцев назад

UV is relaxing, placing the seams and see your work unwrap on a specific way, layed on the UV layout, to form the final result, it's really good to my brain x)

@NightVisionOfficial 9 месяцев назад

@@sh-creative Well, I don't make complex geometry, but even so, when I model I also think where to put the UVs, so... yes. Better take more time making UVs than having bad UV coverage and/or having problems later on the line :) (if automatic UVs are used)

@travisrassel9978 10 месяцев назад

Awesome. Totally awesome.

@AndyTanguay 9 месяцев назад

Apparently it's slow to access and not optimized when you get in to very high resolution textures. It's a great concept, but apparently there are some serious issues when used in practice

@crutalgamer8784 10 месяцев назад

** but if it's possible to make texturing in Ptex then convert it to UV map it will be the revolution because t doesn't matter how messy your Uwraping is , you never gonno see any seams if your texture perfectly aligned

@youtubezone5054 10 месяцев назад

Awesome

@JoaoVictor-vd9fn 10 месяцев назад

So Ptex is like vertex painting but It's actually individual face painting ?

@jfcomposition 9 месяцев назад

i blasted years in understanding uv unwrapping and the addons for that

@bobsteven2363 10 месяцев назад

You can do exactly the same thing with uvs in any 3d software. Make every edge a seam then auto unwrap and auto unpack and then paint like normal. Then you can use triplaner projection and a world space normal map for a more procedural workflow. But why not just make big uv islands? Its far neater and it comes with the most important reason regular uv workflows still dominate. Texturing in a 2d view and uv projection

@philosophyfrog2653 10 месяцев назад

This was extremely interesting. Is ptex possible with blender. Would love to try it.

@Gary_Hun 10 месяцев назад

UV with all edges being seams then. The "great" way you explained it essentially sounds like just that.

@cekuhnen 10 месяцев назад

Looks cool but it seems like it did not catch on 2020 were blender ptex posts …

@BLCPLus 10 месяцев назад

Will Blender ever have Ptex support again?

@mustanggox 10 месяцев назад

who made the art in the thumbnail?

@SuperSuperka 10 месяцев назад

0:01 UV unwrapping is pure pleasure and easiest part of 3D. *_It's just Blender who turn this into pain_*

@SianaGearz 10 месяцев назад

How is it more painful in Blender than anywhere else? Back in the day Blender was leading in UV unwrapping, i don't think anyone had automatic UV unwrapping tools in 2004, in Max you got to choose between sphere model, cylinder model, box model, a handful more, and placing all UV map vertices manually. Though to be fair i guess others have run with those ideas since, while Blender's tools stayed the same.

@jeniosaefrata947 10 месяцев назад

if someday there's a technology that can convert ptex into UV maps, i think it will be a game changer and solve the memory issue

@TorQueMoD 10 месяцев назад

Until we get to a point where vertex count doesn't matter, games aren't going to be able to use Ptext because it's just flatten mapping every poly and that really increases the vertices you have to render. I'd imagine games near the end of the UE5 life cycle might be able to handle it, but we'll see.

@SAGERUNE 10 месяцев назад

With all of the optimization efforts coming to game engines these days, im shocked that PTEX or something similar hasnt become a performant alternative. I wonder what the hurdles are. For me i would love to replace vertex colors as my default preliminary paint method, the only performant painting usage for that comes out of Zbrush.

@dathedix3951 10 месяцев назад

One of the problems with something like PTEX for games is that the number of verticies in a model is increased wherever you have a uv split so for something like ptex you're massively exploding your vertex count even if it looks like it's the same number of quads/tris. There's also the issue of seams becoming more visible as your textures swap to their lower mip maps.

@pikachufan25 10 месяцев назад

from the explanation from Video - you have Multiple Texture Atlases for a Single Model - and the name of the Game is to Have as Little of that as Possible... So it is 100% Counterproductive (at the moment) in Gamming... But in Movies where the Name of the Game is have Highest Possible Detail then it Becomes Extremly Useull... Since they are Using Super Computers to Render the Movies... High Poly Models is Becoming Less of and Issue these Days (Thanks to Unreal Engine Nanite and Similar Stuff). THat Doesn't mean you can have 1 M polys for Evey model... But it does Help xD...

@SianaGearz 10 месяцев назад

Wait so according to you, a solution to UV seams is to have... more seams? Every polygon is surrounded by seams?

@WW_Studios 10 месяцев назад

wow! Imagine if Blender has sth like this!!

@PrefoX 10 месяцев назад

for what? the average user doesnt have enough ram/vram at all. and its fucking slow, like 100 times slower

@derethreborn910 9 месяцев назад

The difference between Ptex and Blender Texture Painting?

@fkdump 10 месяцев назад

Ptex was used in Bolt that came out in 2008, so the tech might be there already in 2006 or prior...it's almost a 20 year old tech...

@metasamsara 9 месяцев назад

I hope someone creates a tool to use AI image stable diffusion to texture an unmapped model. text to img then img to img like traditional stable diffusion, but working with 3d assets and accounting for view angles.

@Candlestickstudio 10 месяцев назад

Ptex is a nice way to texture your model. Zbrush kind of does this in a way and then you can have it auto UV unwrap the model and be done. I don't know why we don't have specific program that would let you import your created mesh, paint on it and create your materials, and then auto UV. And, this program would be solely made for that purpose and do it well.

@M_k-zi3tn 9 месяцев назад

Are you talking about AUV tiles?

@Candlestickstudio 9 месяцев назад

@@M_k-zi3tn - Yes and no. I was more thinking of along the lines of just being able to place/paint textures on your model and then have zbrush auto UV the model when done. Not to say that AUV is not apart of that. It is similar. I more thinking of the application of the textures.

@M_k-zi3tn 9 месяцев назад

@@Candlestickstudio Oh ok i get it. I wish they would add more texturing features into Zbrush. That would be amazing

@Candlestickstudio 9 месяцев назад

@M_k-zi3tn 100% agreed. I kind of miss the quixel suite. Lol. Quixel mixer is ok... just not the same. Oh well. If photogrammetry or gaussian splats ever allow for ai theme manipulation, geometry cleanup, and accurate collision, that might be the future of asset creation. Scan in the chair, tell ai to make it cartoonist and add collision... out pops a game ready Asset.

@knl654 10 месяцев назад

substance painter should implement this ptex tech in their uv section.

@Gary_Hun 10 месяцев назад

8:34 - That's distortion and stretching galore if you ask me... It's great that Ptex is "storing textures on a per polygon basis", however i still don't know what the *!%!+%@&# hell it does differently after watching this.

@Dr.W.Krueger 9 месяцев назад

Evaluated it but we had no real use for it in the end.

@hectorbacchus 10 месяцев назад

Blender has something kind of sort of similar called vertex paint.

@thegoblonoid 10 месяцев назад

Vertex painting is old as hell and isn't a blender exlusive. Maya had had it forever anf Zbrush has polypaint which is great actually.

@trueh 10 месяцев назад

I can live with UV Mapping. However, I'm in the videogames industry and I would kill to have an alternative for retopology. Unreal is doing it well in this aspect with Nanite but still a long way to go.

@alexandre.m 9 месяцев назад

Nanite isn't a retopo tool, all it does is decimate your model depending on how far it is. You can already do the same in blender if you want that kind of "retopology"

@trueh 9 месяцев назад

@@alexandre.m You're right. Nanite is not a retopo tool. I was meaning that Nanite lets you throw unoptimized models into the engine and it does the rest. Obviously it is not going to be optimal, but most of the time you don't have to worry about decimating, creating a good topology, or creating and setting up LODs. That's saving quite a lot of time to artists.

@alexandre.m 9 месяцев назад

@@trueh You're right, this is definitely going to save a lot of time to artists, but I fear it will be overused and lead to even more unoptimized games. People are tired of games taking so much space

@trueh 9 месяцев назад

@@alexandre.m Yes, that's true. In addition performance with Nanite is not that good. I tried it on a fair detailed scene together with Lumen and I actually struggled quite a lot to get 60FPS at 1080p with a RTX 3060. I suppose that we will have to wait to see how things evolve.

@cjadams7434 10 месяцев назад

Why hasn’t AI taken care of this problem yet….said no one ….same goes for retopology!

@3dvolution 10 месяцев назад

That sounds cool, UVs are every 3D artist worse nightmare ^^ if this makes it more friendly, it's definitly a plus ;) thanks for sharing as usual ;)

@horsethi3f 10 месяцев назад

Is this vertex coloring.

@bobsteven2363 10 месяцев назад

no, its not vertex colors. Vertex colors is limited by your vert count. This is something far sillier. Its literally the same as regular uvs but with the twist that instead of making uv islands composed of multiple polygons, each polygon face is its own island. You can replicate this in any 3d software by making every edge a seam

@horsethi3f 10 месяцев назад

@bobsteven2363 Oh!... and I thought its more elaborate than that

@bobsteven2363 10 месяцев назад

@@horsethi3f well, it does have its own file type and data management system. But that's where the differences end

@6TheBACH 10 месяцев назад

Not my problem *procedes to press Smart UV Map in Blender*

@inkman002 10 месяцев назад

Are we talking about ptex? Its like over 10 years old.

@Dstinct 9 месяцев назад

Ptex was a fad a few years ago, but serious studios are all working with UDIMs now. Ptex is not very materialx or USD friendly.

@cjadams7434 10 месяцев назад

only issue is no one supports it any more i don’t think sadly! -

@Jadebones 10 месяцев назад

That's not to say a Blender Add-on couldn't be created that would be capable of doing this, right?

@cjadams7434 10 месяцев назад

@@Jadebones I would love a cinema4d one.. but main issue is other than mari.. substance doesn’t support ptex

@inkman002 10 месяцев назад

Yes they do. Its just so old no one really talks about it.

@cjadams7434 10 месяцев назад

c4d doesn’t neither does substance …your limited to pretty much mari and Mac and maya@@inkman002

@Ironpants57 10 месяцев назад

Udims is a happy medium to Ptex and Basic one block UV mapping.

@3dMistri 10 месяцев назад

if the objects has bevel applied then it become a real pain in ass

@PrefoX 10 месяцев назад

there are unwrapper which can deal pretty good with it, not in blender tho

@unknownusrname 9 месяцев назад

i mean as lazy as it is ill stick to procedural textures in blender, and ues uv smart project just to save time.

@vipul3571 10 месяцев назад

If this is. Free then it's good, otherwise forgot this😂

@CosplayZine 10 месяцев назад

"free" and yet expensive because the average pc would die.

@a.ezequiellukinskas9527 10 месяцев назад

Or... we could just hit Smart UV Project and Bam! We get a UV ready to use and possibly... as bad as this. I mean the worse that smart uv project could do is separating each and every face which would be like this right?

@tristanjohn 10 месяцев назад

wth is this video..

@clements3715 9 месяцев назад

UVmapping is the worst part of 3D modeling

@unfa00 3 месяца назад

There's excellent free tools to make it way faster and more enjoyable. in Blender you have two incredible free add-ons: DreamUV and TexTools (both are updated for Blednr 4.1). DreamUV can automatically unwrap a model for a hotspot altas and/or trimsheet, and TexTools makes manipulating UVs manually way, way faster. Also Blender's default UV packing is finally super efficient. No more 3rd party add-ons to do just that. It's also crazy fast.

@3d_blunders 9 месяцев назад

2 min of information presented in 10 minutes, Unsubscribe 😮‍💨

@3dMistri 10 месяцев назад

are you talking about Texture Painting ??? why using such complex term Ptex when whole industry knows texture painting................

@PrefoX 10 месяцев назад

I guess you don't know what you are talking about... its about uv's vs ptex...

@Jadebones 10 месяцев назад

You would still need to unwrap the mesh to do texture painting.

@3dMistri 10 месяцев назад

@@PrefoX you mean Ptex and texture painting are two different things....

@cjadams7434 10 месяцев назад

yes Ptex is a totally different workflow @@3dMistri

@bobsteven2363 10 месяцев назад

@@3dMistri texture painting is just the act of painting your textures. This video is about uv vs ptex. A step that you need to do before you can texture paint. Honestly tho, ptex is the same has uvs. It has no right to be considered an alternative system since all it does is make every polygon its own uv island

@unfa00 3 месяца назад

This video should've been 2 minutes long at max. A lot of nothing was said here with meaningless blabbing. Waste of time.