The secret of Normal maps in Blender 3 and 3D softwares

Normal maps can modify the behavior of the light bouncing on a mesh.
Discover how they work in this simple & comprehensive video.
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00:00 intro
00:17 What is a normal map ?
00:34 what is a normal ?
02:05 Understanding colors as vectors
05:27 how normal map works?
07:51 Trouble shooting
11:12 bit depth
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[@poochyboi]

omg. i just spent the last two days tearing my hair out trying to fix a seam that refused to go in substance painter...that flipping of the green color in blender fixed instantly. its like god sent you at the right moment. THANK YOU!

[@gower1973]

That’s because Blender uses OpenGL and Substance Painter uses Directx, there YUP is opposite of each other, you can tell Substance Painter that you are using OpenGL when you are importing, or just setup and export preset.

[@poochyboi]

@@gower1973 thats true...that didnt fix my seam problem tho. but the flipping of the green channel did fix it

[@mynzelah6883]

that little bit at the end about using 16 bit over 8 bit is helpful, thanks!

[@S9universe]

the inverted green channel trick is crazy

[@mahmoudhhammdybakheet2411]

The best blender artist at all time you are a legend I can't believe that after 5 years of using blender I still learn new things from your videos

[@guilhermeoliveira1673]

Hey Pierrick! Thanks for explaining the technical details! I aways wondered why you have to set it to Non-color if the normal map uses color to identify the surface orientation! One little tip, instead of using the separate RGB node, you can also use the RGB curves node. You just have to invert the curve on the green channel and bam! Only one node to achieve this result! Big hugs from Brazil!

[@PierrickPicaut_P2DESIGN]

Ho! that's a great way indeed! Way faster and simplier, thanks!

[@guilhermeoliveira1673]

@@PierrickPicaut_P2DESIGN Anytime, master!

[@WaterShowsProd]

That's a great idea.

[@ayoadeabobarin522]

thank you so much sensei pierrick

[@trunks2713]

thank you so much for this tutorial!! always simple and straightforward.

[@jonasmostert3294]

Hi Pierrick! I studied computer graphics but still I learned something from this video. You do a phenomenal job at explaining these concepts. thank you!

[@thinkingblack4035]

Amazingly helpful! Thank you

[@3enny3oy]

Thanks for sharing this with us! I thought I already knew everything about normal maps and I knew to use Non-Color or Linear. However, I didn't know about the gamma adjustment value of 2.2 on sRGB. I'm glad I took the time to brush up on my knowledge with your help.

[@A.Shek_]

wow. Never seen anybody explain Normal Maps like that. Best Tutorial. THANKS I am more educated now !

[@PierrickPicaut_P2DESIGN]

Thanks :)

[@toonanimationstudio]

Bro you look a bit tired thanks for the quality tutorials you're a life saver ❤️

[@bigboss9150]

Amazing breakdown!

[@thenerdsherpa540]

Great video! Very informative. Thanks for putting it together.

[@WaterShowsProd]

There was a great explanation of Normals by CG Cookie, I think. So, when I saw this video I just assumed it would cover much of the same information, but this video goes much further and into much more detail. It answered questions I didn't even realise I had about Normals.

[@arrowsdev]

nice nice i learnt so much about normals , thanks man you are a beast , one of a few YT channels that provide a AAA content for real

[@noemialmeida1317]

THANK YOU! I was struggling with connecting the baked normal map from Substance into Blender. The shading was all shiny and had a lot of weird artifacts. I was not finding any information about it online!! So frustrating... But the only problem was the inverted green channel. Now it works perfectly!

[@brightwanderings]

Super helpful, thank you!

[@francoiscardon9028]

Great vidéo! Very informative. THANK YOU!

[@SCB-245]

detailed and very helpful tutorial, best of one

[@Andy_Shust]

Thanks a lot for the great explanations! I didn't know if my channels are OK in normal maps generated in Photoshop and how to fix them in Blender. Your tutorial helped a lot!

[@cg3Dim]

Thank you

[@subzerosaba]

Thanks, Man!!!! very usefull!!!

[@PierrickPicaut_P2DESIGN]

🔥 Check out the new chapter of Alive! 🔥 on www.p2design-academy.com/

[@MRUStudios]

Awesome video as always Pierrick. Your knowledge of 3D and Blender I'd amazing! This deserves a Taco Tuesday WOO: WOOOOOOOO!!!!!!!! 😃 I hope you have an awesome rest of your week my friend! 😃

[@mementomori9391]

TY

[@tarh5816]

tysm

Bonjour, Merci pour cette brillante explication. Pour le coup si j'ai tout compris, je peu prendre une photo en guise de texture et la transformer via les nods dans Blender? CDT

[@sambabassesoumare1168]

[@stefanforde1315]

I found that if you set the texture from linear to smart or cubic it fixes a lot of issues.

[@hippoatwork7261]

很詳細的解說，謝謝提供，我有訂閱，也給你按讚 .....

[@Testurteil20]

Hello, Thank you for this great Tutorial. I understand everything about normals much much better now. Just one thing: The most people dont have a 6??? x 4??? Resolution Monitor. Its very hard to read the text from eg. "nodes" and i have a 27" Monitor.

[@phyzxengrmoore6928]

I would like just the human model mesh in the video. Is it possible to acquire? Is it in T or A pose?

[@PierrickPicaut_P2DESIGN]

Nope, it’s my model and va it’s copyrighted

[@fatemehfaraji7976]

I just say really 👌u

[@XboxPlayerPL]

Question - If I already have a finished normal texture - can I erase parts that I don't need/don't want in the low poly mesh? What free software can I use to do this? I am not interested in photoshop. I tried to accomplish that in ShaderMap4, but the results are unsatisfying or I do something wrong.

[@PierrickPicaut_P2DESIGN]

you can paint the neutral color on your normals directly in Blender

[@XboxPlayerPL]

@@PierrickPicaut_P2DESIGN what's neutral color?

[@PierrickPicaut_P2DESIGN]

I explained it in the video. it's R=0.5, G= 0.5, B = 1

[@XboxPlayerPL]

@@PierrickPicaut_P2DESIGN Thanks!!! 😍 🙏

[@kotakuk6533]

You can use Blender with either default values as mentioned above or clone tool, and you can always check Gimp, it's free and very similar to photoshop.

[@LaurentR2D2]

Pourquoi vous ne faites pas de vidéos en français ? Il y a suffisamment de vidéos en anglais.

[@PierrickPicaut_P2DESIGN]

Parce que y'a plus d'anglophone que de francophone

[@w.m3712]

but isn't normal maps supposed to only affect the light, meaning that from front view it'd still be a plane? 2:29

[@marcopestana6157]

First