All language subtitles for 05. Rough layout using camera tracking data

in this lesson

we'll begin roughing in our shot

using our camera tracking data

by placing our mushroom cloud

on top of our city footage

so what we're going to do

first step here is

we're going to take that camera tracker

double click it

it'll bring up all the info in here

and I want to export

so I'm going to

under the export tab

or export section

when hit that drop down menu

and I'm going to select scene plus

scene plus gives you a few extra options over scene

if you're curious as to what each of these drop downs

uh a drop down options give you

you just mouse over it

you can see right there

it'll give you a little description

but in this case

we want scene plus

so I'm gonna hit create

hit create right there

and what it just did was created these extra few nodes

that are going to be very useful

so let's let's full screen

take a quick look

so what we have here is we have our camera

that has been created

based upon the camera tracking data

our camera tracker point cloud

that's just a point cloud of various points

based upon the actual camera track points

uh that will that is

it's not gonna be needed for this

but sometimes it's useful

it's useful for various reasons

but the reason that it might be useful for this project

would be that it just kind of gives you

a visual output of where things are in depth

when you're looking at it in 3D space

uh you have your scene

that's where items can connect together to

to combine and create your final uh output

and then obviously

your scanline render

which is basically the

the final output

which takes all of the 3 d information

and renders it out to give you your 2 d

uh flat image

so oh and then of course

we have our lens distortion note

that was created based upon the information

that it's extracted from the camera tracker

so we can actually use that on our uh

nuclear mushroom cloud later on

to match the lens distortion of the background plate

so that our mushroom cloud always uh

looks correct

so now here's what we're going to do

so I I want to

right now I'm going to create a card

which will be in the background

where our mushroom cloud will be placed

but I think I

we need to find a hero frame first

so I think let's go back to

was it 4:26 or that

in that general area

where we kind of had a nice

reasonably flat

scene of the city

so let's just do frame 4:28

I think that'll work nicely

let's close out the camera tracker information

and what we're going to do is

at this point

we need to create a couple extra 3D nodes

now the 3D nodes are in the

no drop down are located over here

where there's this 3D box

so you can actually select that

and you can see all the various options

that you have going on here

for what we need

I need a node that is called Project 3D

now you can see it actually in here

um you can actually actually

let me just back up for a moment

you can see under geometry

you have your various geometric shapes that you can use

you have lights that you can create

modifiers shaders

and then obviously

the various actual nodes that are utilized

but in this case

we need under shaders

to project 3D node

which I was mentioning

can you select it there

or again you can hit that tab key

and you can type in project 3 d

so if you wanna do that

project 3D brings it up right there

the same thing

and what we're going to do is

we are going to just reorganize a few things here

so I'm gonna go over here to our nuclear mushroom cloud

I'm going to control X

which is cut those nodes out

and I'm just gonna move over

you could just drag them over if you wanted

it's really

you know again

it's one of those things that's you can

you can do one way or another

doesn't really matter

obviously if you cut it

don't forget and copy something else

and then forget to paste it back in

cause you suddenly

lose those nodes

and have to be important

start over in that section

but in this case

we're fine so

I need a few things

the Project 3D node is going to

connect directly on the input

not the Cam input but on the

on the input

and that's going to be our nuclear mushroom cloud

dropping down into Project 3D

now what we have to do is

we need a camera

so the the point of this is basically this

the Project 3D node is telling you that

based upon the camera input

I want you to project the information

that is coming in the other input

the secondary input

and project 3D

onto a geometric shape

in this case

I want it to be on

let's just go over here to geometry

to give you an idea on this one

I want it to come

drop on door card

you could project it on a cube a cylinder

there's a few other options under here

but in this case

we want the card

so I'm just gonna bring that card

drop it right here

and connect it up into there

so so what this is reading like a sentence

again projecting

based upon the camera input

I want it to project the secondary input into

onto that card

which we will specify

and then and let's

if we continue down that chain

I want it to combine

if I just copy the C node

bring it over here

I want that card to connect into the scene

and ultimately

copy that scan line render

drop it down in here

and I want it to connect

and render out

based upon and again

we go full screen

uh we based upon the camera

that we've already solved for

and you can kinda see the setup here

you could use this setup

I just created it

because sometimes

it's just a little easier

to grab and copy nodes over

versus have to quickly uh

go over and create the nodes again

from scratch

but that gives you kind of an idea

now you might ask

why don't we connect right here

this cam node

into the camera

now you can

but the problem is

it's going to project

based upon that movement of the camera

so what I'm gonna do is

I'm gonna actually

select that camera

control C copy

and control V paste

now what you can see

it's linking back to the camera tracker because

and if we select it

let's just close out those properties select it

you see we have uh

various keyframe information

that's coming from there

so what we're going to do is

we're gonna pick frame 4:28

as our hero frame

now what that means is

the hero frame

is what we are going to be

lining up our nuclear mushroom cloud

against the background and uh

ensure that it kinda lines up

in that scene

as a still frame

and then based upon

our project 3D

our card are seen in an ultimately

scan line render

it will render it out

and match move

that movement

that you see in the overall sequence

so what we're going to do is

since we made a copy of that camera

I'm gonna connect that camera

right there

into the project 3D

and what we need to do is

we need to remove

all animated information

the reason for this is because

we just want it to be

based upon that still frame

of frame 4:20 eight

so as long as you're on frame 4:20 eight

and you've selected camera 2

we're gonna

right click

over the translate

we're just gonna start removing animation

so select no animation

say yes and you're gonna do this to

all of your

keyframed inputs

so let's just go through these

really quickly

and one more

here we go now

you're gonna see

that green line

is connected

now you're gonna wonder why not

I just removed any

a connection

well go over the projection tab

you're gonna see

now you have

the focal length

horizontal aperture

vertical aperture

and various other things

that it is connecting to

so we're going to do the same thing

no animation

no animation

because I want to freeze basically

any information

based upon just frame 4:28

now the reason

obviously you wanna stay on 4:28

frame 4:28 if you

if you're saying

okay my hero

is frame four 28

but I'm going to uh

I'm on frame two

96 or something

and then you go in and say

no animation

it's gonna actually

just leave the animation

values based upon

frame two 98

so make sure

that you are on

frame four 28

when you uh

remove the animation

connections

now you can see

that green connect

that green line

showing that Camera 2

was connected back to

or linked back to

Camera Tracker

it's it's now fully broken

because there is

no information

that's needing

needed from that

because it's

not animating

so now we have

our Project 3D

we have our card

we have our

scene and now

once it goes through

scanline renderer

it's going to animate

based upon that

animated camera

that we have already

pulled from

the tracking data

and then ultimately

what we want to do

just bring this

viewer down here

gonna do a little more

reorganizing

uh just to make things easier

I'm gonna actually copy

the background plan

and move it over here

um and then

bring that merge

note down here

and we're going to say

I want that

over our background

just gonna move

our background

over here for kicks

for the moment

and we're just

roughing it in

again remember

we haven't add

lens distortion

we haven't done

color corrects

nothing it's just

literally a solid

a over B now

if I view here

where is it

oh my goodness

it's gone no

don't worry

what's happened is we

haven't yet

set our card

so you need to go in

and view at

your card so now

you go into 3 space

and you can see

there's your card

and you want to

move it so that

that camera

is projecting

on the card

so you can select that card

right there

and you're going to see

you have various controls

so I'm just

gonna select

and move it back

and then the

few things you

can actually see

right there

there's part of the

mushroom cloud

is appearing

I move it over

you can move it down

you can see

where it's at

what I wanna do is

I wanna actually

scale this up

I'm also going to

get rid of the rows

and columns

we don't need that many

and all that's gonna do

is just bog

your computer down

just a little

bit more for this

we you could

you could probably

just go with a

still a single

uh one row and one column

I'll just uh

set it 2 and 2

that way you

can just kinda

see your shape

a little easier

and then we

can scale this up

so let's just

just ensure

that everything is there

let's set that to 5

and 5 on the

on the X and the y

so now you have a nice

big huge plane

you can move that back

you can see

how it scales up

in relation to

the distance

from your projection camera

and to be able to

find this in the

proper space

you actually

if you double click

your tracking points

now this is what I

was talking about before

it actually gives

you an idea

of where maybe

all those tracking points

are in relation to

so you wanna kind of

line that up

to ensure that

your parallax

matches but first

for the moment

let's take a

quick break to

to just recap

we have discussed our

using our camera

tracking data

to incorporate into

our projection

for a card for our

visual effect

mushroom cloud

and we'll continue

working on this

as soon as we come back