All language subtitles for 03_the_shuffle_node_and_exrs

Hello there and welcome

In this video

Over the shop on their own and start looking at how to manage multilayer exr

I have the setup in the front of a Siri that's going to show us exactly how we can use the shop

What's make 1 really quick water type in shuffle

And by default it's not going to do anything

And it's worth mentioning really quickly here is that a nuke 12.1

How the shuffle note interface looks a little bit

Has all the same basic functionalit

They just read out it's in her face so it's a little bit easier to use and visually understand what exactly is

If you're using the standard shuffle mode from an early anuki can stuff follow along the functionality

The same it's just a little bit

Silver shovel

What exactly is The Shuffle

4

The Shuffle mode allows us to mix and match or various layers and channels in nuke

We can expose underlying layers with image data

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And also feed data into those underlying layers or create new ones and tired

This is one of my greatest strengths and it absolutely excels at managing this multi-layered data

It's so good I love it and there's so many things you can do with

Incredible

So before we get to talking about those multi-layered files but first talk about shuffling or channels within

Single layer

Each of these connections here represents a channel input

NN18 0hr

You can cry a red.in is going out to RGB

And so we could actually just turn off

Or rgba

Look like that

All of our red data

There's no red

Anywhere in Ark

Similarly we could tell her rgba read data

To go straight away

Ads red

Everywhere in r

Let's go ahead and reconnect this sore red is red

I'd like to talk a little bit about this naming

Because what we have here is a combination of the layer mean

And the underlying share

Innocence we have rgba dark red

Rgba is the lair

End up

Is this

Halo

Within this layer

And what's the difference between channels and layers

Channels contain your Image day

That's where the actual pixels are being store

And then layers

Store channels within

So they really just a group of 2

64

Liar

Is RGB a that's what we've been working in this entire time during our class and contains as we

The red green blue and Alfred

And so as we look through are available layers we can see that each channel has unique name

In relation to its lair

Just go ahead and reconnect this quickly

Dragon bear

Nice little shortcut as of new

12.1

So we can use this not only to turn off and on or trainers

But we can also mix and match the channels that were you

So let's say we wanted our read channel input

To drive all of our other

So we can do

Click

Dragonkin

Now our red is going into our green and put

Are blue and white

So if we look at the values here you can see that they're all the exact same as the red

Because that was the basis

If you wanted to we can also just expose our red Dead

By turning off or other

She knows

I'll go ahead and

Get back

Original image

Certainly used for when you're just working with a single channel you can see we just

Are green and blue channels here

By crossing the streams are Greening

Blue

Feeding or green that has

Ring

And if we wanted to

Say I want my alpha to the original we can go ahead and just

Next step down here now feel like her Alpha

It's just where we had red it's the exact same thing

Oftentimes when you receive match.com in a red green and blue format so you can have 3 maths in 1 in

And The Shuffle mode is how you get those colors

Into the Alpha

Just like this

You can see where red is .3 Alpha

What's the most basic usage of a shuffle mode

But you can use it to do more than this

You can actually combine different layers

From other pieces of furniture

What's go ahead in May

Colour

Wheel

Quickly

That's nice well for us

And we can actually connect this to our a pipe in our shop

A quick announcement for her friends or not using the nuke 12.1 shuffle node you'll need to use a shuffle

In order to do worry

In new 12.1 they can bind the shuffle copy in The Shuffle into one

Until you're syrup about this doesn't do any

We can say

I want to know

Mighty pipe

Look at the rgba layer

And you'll see it brings up all the channels within associated layer

And we can take the red from us colour wheel

And put it in our current view

And now we can see we've replaced the red

Input

With Siri

In colour beyond

So you can see if we just look at a red chain on here there's absolutely

0 difference between these two

And this is a very powerful usage

Of the shore

A very common used for this

Is say

We wanted to use this Alpha

We want to use this RGB

Well we can just pay for alpha channel in here

And it has copied that over

Again this is not premultiplied and so we can help promote after

You can see me now

Applied and ready to go in

I would say that copying over your alpha channel from input input is the most common way to

Is the shop on the road when it comes to Virgin

Inputs but that's not the only reason the shuffle mode exist

By far in large the biggest used for is when it comes to multilayer exr renders

Let's go ahead and just bring in an exam

From this week

We have this exr

And it contains multiple layers of RGB information for us to use

We can view these by clicking on this layer dropdown

And we can see all the layers that exist

With

Let's go ahead and select rgba back blue

And you can see now just viewing the RGB of just this layer

We can shuffle any one of these to figure out exactly what is going on and all of our layers

And you can see these for a bunch of lightning

So how do we get this in RGB

Make a shuffle mode

And then we need to select the input layer that matches the date out that we were

So this case what's Crab At The lair rgba moon

And then it will output

The Moonlight

Into your rgba data

We're not in that channel were in amine or GBH

And this is the channel that we always want to use when rendering our final product

Commonly when you do this it will get rid of your alpha

And that's because if you look to rgba moon in 4 player

Actually doesn't have an Alpha

On this case what we want to do is also loading or be pipes rgba channel

And then type R

And now this will retain it's original

Will go up in a be here just to prove that

And so there is just so much power in the shop on the road and we're gonna go into how we use it to combine multi-layered

Throughout

You're really going to see just

I'll say you wanted to see all of the Lights

We can use

A layer

Contacts

And what does what do you put piping in here

Most liked show layer name

And won't be able to see

All of the layers that exist within

Current employer

Something very easy to identify what you're looking for

As you're shuffling your language

And multilayer exr

The bedrock of CG compositing we use those to adjust lighting

Will you stand to adjust material properties and working and get into that in the next video

Next layering system is just so powerful and we're gonna see exactly how powerful it will be

In becoming

So let's move on and let's start talking about how exactly we can combine these layers together

By talking about the material property split up

In our next video

Thank you very much for listening and I'll catch you in the