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Behavior of Light PowerPoint PPT Presentation


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Behavior of Light. Types of Light. General In-direct Skylight of an overcast sky Natural Diffusion Reflected Light Specific Directional Sunlight Moonlight Artificial Light. How Light Behaves Inside. Interior – Natural Light

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Behavior of Light

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Behavior of light l.jpg

Behavior of Light


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Types of Light

  • General In-direct

    • Skylight of an overcast sky

    • Natural Diffusion

    • Reflected Light

  • Specific Directional

    • Sunlight

    • Moonlight

    • Artificial Light


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How Light Behaves Inside

  • Interior – Natural Light

    • Light appears to come from windows, doors, & other openings to the outside.

    • The surface of the ground outside of a window will reflect a pattern of light inside.

    • Attempt to be realistic –sunlight doesn’t come through windows on the opposite side of the room.

    • As evening falls, exterior and interior light can cross-fade to lower angles and warmer tones of sunset.

    • Shadows should lengthen.

    • If a grey day: color shifts cooler and dimmer.


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How Light Behaves Inside

  • Interior – Artificial Light

    • Table lamps, wall sconces, chandeliers, etc.

    • Don’t ignore that light comes directly from the fixture itself.

    • If a chandelier is the main source it is easy to support it with an overhead lighting scheme.

    • If a table lamp is the main source or lamps below head height, many problems exist in reinforcing the lamp source for live performances.

      • Hiding small fixtures in furniture

      • Using lower angles

      • Using softer shaped light.


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How Light Behaves Inside

  • Practical Sources can present problems but can also offer wonderful moments:

    • Lantern fight in Othello

    • Candelabra scene in The Glass Menagerie

    • Firelight in Playboy of the Western World

  • Moonlight

    • Like Sunlight but cooler in quality


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How Light Behaves Inside

  • Firelight

    • Can add sparkle and interest to a scene

    • Several light sources in “firepit” are better than one.

    • Fire is actually amber and yellow not red.

    • Use broken color to filter light sources

    • Couple of neon flicker lights add a nice affect.

    • Mechanical devices are available

    • Silk fire is amazing when far enough from audience.


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How Light Behaves Outside

  • Exterior- Day

    • Sunlight is very difficult to realistically portray on stage.

    • Early morning or late afternoon light is more dramatic (on stage or in film).

    • Direct light difficult to manage for actors

    • To create “time of day” it’s important to establish the “track of the sun”.


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How Light Behaves Outside

  • Exterior – Night

    • Should look realistically dark!

    • Compromise between realism and theatrical or cinematic needs.

      • Artificial light sources

      • Street Lamp, Campfire, Torches, Flashlights, etc.

    • A few stars in the sky and hint of blue light for a stage presentation can make an evening sky look immense.

    • Moonlight again is parallel light

    • Moonlight can be broken up by gobos (patterns of trees or tree leaves).


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How Light Behaves

  • Pay attention to the dramatic moments of light during the day.

    • Early morning

    • Mid-Day

    • Dusk

    • Twilight

  • How does the light change the mood of the moment both interior and exterior?

  • How can you recreate that for the viewer (either on stage or within the frame)?


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