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I am writing a report on the techniques used for different forms of animation, which will include line drawing, cel drawing, rotoscoping and 2D/3D animation. I will evaluate and explain what tools are used and will use examples of the technique in use.

In this post I discuss 4 different types of animation: 

Line Drawing

Cel animation

Rotoscoping 

2D/3D animation

Structure:
Intro
Summarise techniques
Examples (are they still relevant today?)

Line drawing

Line drawing is any image that consists of distinct straight lines or curves placed against a background, without graduation in shade or hue to represent two-dimensional objects. It is defined as the act of creating an illusion using basic strokes of varying weights and angles that demonstrate form and depth. It does not include shading or gradient and instead. focuses solely on lines.

There aren't many films that use line-drawing that I found. This is because it takes so long to draw each individual frame by hand. Typically, 60 seconds of line drawing can take 6-12 days of production with the producers sometimes staying extra hours to make sure it is completed quicker. This is because a traditional 60FPS film would require 3600 frames per minute, which would be a lengthy process and could still be quite costly.

Cel animation

Cel animation is the art of creating 2D animation by hand on transparent plastic called Cels. Cel animation is a lengthy, expensive process that demands the involvement of a large team. Once all movement in the shot is approved the pencil sketches are passed onto an inker
The inker transfers the linework to a transparent film of thin plastic(a cel) using black ink.
As soon as the ink is dry the film gets passed off to a ‘colorist’ who colors in the linework using Cel paint. They apply the colour on the opposite side to the ink giving each Cel a crisp look with clean, consistent line work, while each Cel is being inked and coloured, more artists are hard at work creating the backgrounds for each scene. 


Shows such as The Simpsons and Futurama were Cel animated; a typical Simpsons episode would take 5 months to animate therefore multiple episodes would need to be animated at once to create an entire series. 
To be a Cel animator you can be entry level, intermediate or expert level. 

Rotoscoping

Rotoscoping is an animation technique that involves tracing over live-action footage frame by frame, which produces graphic assets for both animated and live-action projects. Animator Max Fleischer invented rotoscoping in 1915 to create more realistic animations with fluid, life-like motions. Rather than drawing everything by hand, tracing live action footage sped up the process. Max famously filmed his brother in a clown suit to create the first rotoscoped cartoon character "Koko the clown". In addition, this technique allowed filmmakers to create complex animations scenes and characters and add features to live action films they may not have otherwise been able to.



2D/3D animation

In traditional 2D animation, everything was drawn by hand, frame-by-frame. However, in 3D animation you animate characters and objects in 3D animation tools, such as Adobe Animate, to manipulate objects and characters. 3D animation is often used for full-length movies, interactive advertisements, commercials, and other marketing materials. Films use 3D rendering for sequencing that would be too dangerous to do or unable to hire stunt personnel. 







Conclusion
Each of the different types of animation require different skills and require longer or shorter amounts of time, depending on their complexity and detail. The time is takes to animate can depend on different factors such as staffing, hardware and software, illness between crews etc. 
The least time consuming animation type is line drawing as the artists would have to draw each frame individually, which is a lengthy and expensive production, where typically 60 seconds of a 60FPS film would require 3600 individual frames. The least time consuming process is 3D animation as it is all designed and completed on computer software whereas cel animation, rotoscoping, line drawing and 2D animation are all completed by hand completing each frame individually.  
On the other hand, 3D animation might take less time as each frame is done using computer software whereas the other types of animation are drawn by hand. However, rotoscoping could also be quicker as it consists of tracing over live action footage which means drawing would be a lot quicker.


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