Movie Making - Unit 1

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Definitions

Chroma-Key – A technique that uses a particular colour, blue or green is preferred. Which can be replaced by another color or image.

Green Screen – Same as Chroma-Key, a green screen background which allows the subjects to be placed anywhere or any kind of background with it.

Mattes – When you combine two or more image elements into a single and finale image

Practical Effects – A special effect which is produced physically and without a computer-generated imagery.

5 practical effects you could use

1. High Angle Camera

2. Low Angle Camera

3. Having one person close to the camera and one person away from the camera (Forced Perspective)

4. Using make up or costumes

5. Make miniatures

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Questions :

1. How does a user import footage in After Effects?
      - You can either double click in the project window or you can go to file import.

2. What are “Motion Graphics”?
     - Motion Graphics are to create an illusion of motion or rotation.

3.  What is Compositing?
     - Combing two or more images to make a single picture

4. What is Frame Rate?
      - A frequency at which frames are displayed

5. What is a composition?
      - Video files

6. Why should you Render (RAM Preview)?
      - So you can get a smooth preview/video.

7. What is adaptive resolution and OpenGL?
     - OpenGl is for rendering 2D and 3D

8. Outline the steps required to export composition.
        - Make sure everything is the way you want it to be, use CTRL M or just go to composition then create movie, selet best settings, choose what video file you would like it to become, then press render.

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Keying is a technique for compositing two images or frames together in which a colour (or a small colour range) from one image is removed (or made transparent), revealing another image behind it. This technique is also referred to as colour keying, colour-separation overlay, greenscreen, and bluescreen. It is commonly used for weather forecast broadcasts, wherein the presenter appears to be standing in front of a large map, but in the studio it is actually a large blue or green background. The meteorologist stands in front of a bluescreen, and then different weather maps are added on those parts in the image where the colour is blue. If the meteorologist wears blue clothes, their clothes will become replaced with the background video. This also works for greenscreens, since blue and green are considered the colours least like skin tone.

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