Introduction to Visual Effectslibvolume1.xyz/.../visualeffects2presentation2.pdfIntroduction to...
Transcript of Introduction to Visual Effectslibvolume1.xyz/.../visualeffects2presentation2.pdfIntroduction to...
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Introduction to Visual Effects Introduction to Visual Effects
What is Visual Effects? How far back should we go?
What is Visual Effects? How far back should we go?
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Illusion & Magic Illusion & Magic
What makes a magic trick work?
Are visual effects magic?
What makes a magic trick work?
Are visual effects magic?
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Early History Early History 1879 Altamira Spain 8 legged animals were drawn to show movement - Animation We’ve always been interested in capturing our real world.
1879 Altamira Spain 8 legged animals were drawn to show movement - Animation We’ve always been interested in capturing our real world.
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Altamira Spain Altamira Spain
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First Illusions First Illusions
Ancient Egypt: Wooden statues were used for prayer. Some were mechanical, using a series of pullies activated by a nearby water source.
Ancient Egypt: Wooden statues were used for prayer. Some were mechanical, using a series of pullies activated by a nearby water source.
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First Illusions First Illusions
Pyrotechnics Moving stages during the Renaissance Automatons - What the heck are these? P.11
Pyrotechnics Moving stages during the Renaissance Automatons - What the heck are these? P.11
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Theatre Theatre
Importance of Technology. 1800’s - Theatres thrived. They were huge and used advanced gas lighting systems. Importance of story and its appeal.
Importance of Technology. 1800’s - Theatres thrived. They were huge and used advanced gas lighting systems. Importance of story and its appeal.
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Theatre Theatre
What are the elements of theatre today?
What are the elements of theatre today?
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Theatre Theatre
We still use projections?
We still use projections?
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Las Vegas Las Vegas
What are the best uses of effects here in Las Vegas?
What are the best uses of effects here in Las Vegas?
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Innovation Innovation
1826 - Thaumatrope (Paris)
1826 - Thaumatrope (Paris)
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Innovation Innovation
1832 - Zoetrope (William Horner)
1832 - Zoetrope (William Horner)
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Innovation Innovation
1860 - Celluloid / Film 1888 - Kinetescope (Edison)
1860 - Celluloid / Film 1888 - Kinetescope (Edison)
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Innovation Innovation
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Innovation Innovation
George Milies - The Father of Visual Effects The first edit. “Journey to the Moon” 1902. The first science fiction piece.
George Milies - The Father of Visual Effects The first edit. “Journey to the Moon” 1902. The first science fiction piece.
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What’s the difference between Visual Effects and Special Effects?
What’s the difference between Visual Effects and Special Effects?
• Special Effects modify the real world
• Visual Effects modify the virtual world
• Special Effects modify the real world
• Visual Effects modify the virtual world
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Special Effects modify the real world
Special Effects modify the real world
background foreground
Action
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Visual Effects modify the virtual world
Visual Effects modify the virtual world
Lens Sensor
Camera
Processing Image
Post-Production
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Why create visual effects? Why create visual effects?
• In normal photography we try to reproduce reality
• In VFX we want to create something that doesn’t exist at all
• …and also, fool people into believing it is real
• In normal photography we try to reproduce reality
• In VFX we want to create something that doesn’t exist at all
• …and also, fool people into believing it is real
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Three scenarios for VFX Three scenarios for VFX
• What we want to see doesn’t exist
• What we want to see is too difficult or
dangerous to photograph live
• We need to “fix” something we have
photographed
• What about Story?
• What we want to see doesn’t exist
• What we want to see is too difficult or
dangerous to photograph live
• We need to “fix” something we have
photographed
• What about Story?
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Format? Format?
• Whether VFX are shot on film or video depends on what the effects will be used for
• Often effects shots require much higher resolution than the viewing format
• The ability to shoot at a variety of speeds is also a determining factor
• Whether VFX are shot on film or video depends on what the effects will be used for
• Often effects shots require much higher resolution than the viewing format
• The ability to shoot at a variety of speeds is also a determining factor
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Film Formats Film Formats
• 65/70mm
• When used horizontally, it’s called IMAX
• 35mm
• 16mm (used for television)
• 8mm
• 65/70mm
• When used horizontally, it’s called IMAX
• 35mm
• 16mm (used for television)
• 8mm
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Film Formats Film Formats
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Aspect Ratios Aspect Ratios
• Full Aperture = 1.33:1 (Silent)
• Academy = 1.37:1
• WideScreen = 1.85:1
• VistaVision = 1.5:1 (Silent)
• Cinemascope = 2.35:1
• Television widescreen = 1.78:1 (16x9)
• Full Aperture = 1.33:1 (Silent)
• Academy = 1.37:1
• WideScreen = 1.85:1
• VistaVision = 1.5:1 (Silent)
• Cinemascope = 2.35:1
• Television widescreen = 1.78:1 (16x9)
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Normal Action Film Speeds
Normal Action Film Speeds
• 12 fps (Silent movies)
• 24 fps (all Hollywood movies)
• 25 fps (all European movies)
• 30 fps (video)
• 12 fps (Silent movies)
• 24 fps (all Hollywood movies)
• 25 fps (all European movies)
• 30 fps (video)