Rebecca Meilak: Post Production and Visual Effects
Friday, 6 June 2014
Week 9: Break Down
This is the break down of the shot with all of the components and layers to make the characters sit in the shot well.
Week 9: Final Comp
Blu: Shot 1
This is the final comp with the final look and grade. I am very happy with the final result but there are many bugs and tweaks that can be altered, such as the blue screen. this will need further work and may be rotoscoped to maintain high detail and remove the screen.
On an narrative feed back the shot can be developed further in a narrative way.
As the camera pans up, the camera can pass through clouds and then come up tight on the hippogriff creating a better revel of the character. Also the character performance on the girl could also be improved by making her move and bob her head as she tries to look though the clouds.
Thursday, 5 June 2014
Week 9: Backgrounds and final finnish
To make the background I organised some of the frames into a layers pan the same way I did to map out the animation for the girl. Like this I can give myself a sense of scale and organise the layers in accordance with the foreground before the layers reach after effects.
Stage 1: 2D 'Camera Track'
Stage 2: Putting the clouds in place
In this stage I edited the photos so that they have alphas and rearranged then to create a pleasing composition around the foreground. I also blurred the some of the background layers to help achieve a sense of depth even before the layers are converted into 2.5D layers.
Stage 3: Colour correct
Here I changed the images from colour to black and white, added a deep yellow photo filter and colour corrected the images so that they matched in colour and tone with the cotton wool.
Stage 4: Camera tracker and 2.5 D
To place the background in position so that it moves along with the footage I used the camera created by the 3D camera tracker and a 2.5D technique. I placed the clouds in position but also changing their size and varying their distance form the camera creating a greater sense of layering and distance. I also played around with the camera aperture to make the background more out of focus.
To create some distinction between the foreground and background I Pre-Composed all of the background layers together and alter the Hue to make it a little pinker. This sublet change will hopefully make the whole picture easy to take in put not give it a feeling of disjointedness.
Finishing touches:
I added a radial blur to the final comp which I animated to follow the object of the audience's focus. This I think will help emphasis the closeness of the camera which was already created by the macro lens.
I also added a light overlay of the cotton rag texture and a vignette to give the pice a final finishing touch and warmth.
Week 9: Final Blu Comp
To have an image to comp over Blu I rendered out one from of the mountain top form the base plate with alpha and masked this in veracious ways around Blu to make him look as if he was sitting in and compressing the cotton wool:
Before:
After:
Before:
After:
There is a significant difference between the two images. Now he looks like he is sitting in the cotton wool while also creating shadows around him. I think it worked really well and didn't involve any extra tracking as I placed it in the Pre- Comp along with Blu who by this stage is already tracked.
I also added a mask to remove the plants of the mountain which where creating a noisy edge. this again was created using a tracked sold which was masked.
Week 8: After Effect Animation and Composition of Blu
Blu didn't need so many alterations, masks and shadows as the girl; he doesn't move around the set so doesn't cast shadows over a range of surfaces and he was painted with the lighting already in mind. This meant that I didn't feel the need to add rim lights as I did with the girl.
I did add shadow to the wing, shadow onto the body cast onto the wing and on the front foot, as well adding a shadow rim to the tail. The shadow to the body from the wing was very important as I couldn't paint this on before as it was going to be a moving component.
Animated puppet, without alterations:
Animated puppet, with shadow alterations:
I then used the animated comp of Blu to create a shadow for him as he sits on the mountain. It is a very basic shadow but I feel that he needs more done to him to give the appearance of sitting on the cotton wool.
As you can see Blu doesn't sit well in his environment as well as the girl does. I received feed back from family members and they made me realises that he has no weight. He is sitting on a lot of cotton wool and isn't sinking into it. I need to add come cotton wool images in front of him and incorporate his shadow into those as well as the back plate.
Another point of feed back form myself is there is a lot of noise causing the side of the mountain to flicker (from the blue screen). This may be because the blur channel contains more noise than the others. I will probably mask this out, using a tracker marker to track the mask layer.
Week 8: After Effects Compositing continues
Girl Composting:
Adding shadows and highlights:
This is the girl with her fill effects, with adjustments, as she was in the previous post. I will be crating shadows and highlights using two layers, one cropping the other to either create a light or dark rim around the girl. These layers will be taken form the original fill animation and altered to be white or black and the second cropping it. I then blurred them to feather the edge and layers them together.
Highlights:
Highlights comped in:
Shadow rim:
Shadow rim comped:
A second Shadow rim:
Second Shadow rim comped:
Outline added on top:
Shadows:
The next part is to add shadows making her interact and effect the environment.
The girl stops in the shadow of a large object meaning that her shadow doesn't have to be harsh or a silhouette. Here the shadow is created form ambient light not direction light.
The achieve the shadow when she is standing I used a camera tracked solid, masked and comped using soft light and a second with low opacity. The camera tracking process was very easy and worked really well on default settings. This may be because the camera move was very simple and constant in lighting but it provided the trackers I needed.
These tracked solids were created in 3D along with a 3D camera. This meant that I could reposition them and not have to worry about running the track.
Shadows cast by Environment:
To create like the girl was moving into a section of shadow I created another tracked solid format the 3D camera track and masked it so as the girl moved she enter the shadow convincingly
Girl moving into shadow (mask not active):
Girl moving into shadow (mask active):
As you can see there is a difference in her tonnage as she moves through the mask and into the shadow. This really makes her sit well inside the environment as she interacts and is effected by it.
The girl in shadow:
Girl casting shadows:
This was a little tricker as the shadows the girl was to cast are interacting with 3D (looking) objects so need to act accordingly. This deduced to do using mask and 3D layers.
First I created a mask layer for the tree and tracked for as long as the girl would be casting a shadow. This masked the shadow which was created form the fill animation which was feathered so that it matched the other shadows on the plate.
I then made the shadow layer 3D so that I could animate it to make it look like it was curving around the tree.
These shadows, along with a shadow the tree is casting on the girl, makes her sit in the shot, integrating her very well.
Week 7: Basic After Effects Comp
After having render out the two sets of animation and the key light back plate I went into After Effects and started to replicate the test comp I did in Photoshop.
I used the fill animation to mask out the footage resulting in the shape of the girl filled with the footage.
I then added an Camera Lens Blur to make the background out of focus...
… this followed by adding the cotton rag texture at a low opacity…
…and finally topped with the outline animation with another cotton rag texture.
This is the first comp rendered out and as you can see it has a few bugs. The layers I have created in the fill animation are over exposing the footage so will need altering and toning down.
The next stage after that will be to work on lighting and shadows for the girl.
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