Glossary
Lighting Techniques:
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Side lighting - Side lighting not only helps to highlight the subject's shape. It also brings out textures.
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Foot Light - footlights, in theatre, rows of lights set at floor level at the front of a stage, used to provide a part of the general illumination and to soften the heavy shadows
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Up-Lighting – Lighting from below upwards.
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Front-Light – More used for a general wash, fewer shadows created
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Downlight – Creates a sinister mood creates shadows and a more mysterious look,
Key Terminology
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General Wash, (A state of light covering something)
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Hard Edged, (Sharp edged beam)
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Soft Edged, (A light without a hard-edged beam)
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Cool, (Cold feeling colors blues, purples, etc.)
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Warm, (Type of light color including ambers, yellows, oranges, etc.)
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A breakup, (Type of gobo)
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Fade, (Slow Change)
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Snap, (Instant Change)
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Contrast, (Something opposing/different)
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Intensity, (How bright)
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Key, (Main lighting Illumination)
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50% (Half Intensity)
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25% (Quarter Intensity)
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100% (Full Intensity)
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Angle, (Where the fixture is pointed)
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Gell/Filter, (Changes the color of a fixture)
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Spill, (Something you don’t want lit)
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Corridor, (A corridor of light, a long beam of light)
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Barn door, (Angles and controls light)
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Cross over, (Two or more fixtures crossing over each other adding depth & Dimension)
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Snap – Sudden lighting change.
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Fade- Slow change.
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Chase- Cycling on and off or moving along.
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Parameters/Attributes Used to control a certain part of a fixture e.g. The pan & Tilt
DMX-
DMX is used for data transfer and is used to control the fixtures from the desk. And can use up to 512 P
Power con is used for fixtures as a power cable, these can be daisy-chained together to power multiple fixtures. Power con cables provide 20amp rating.
13Amp-
13Amps are mains powered and are a 3 pin Plug used to power fixtures Although fixtures should not be overloaded and should not all run from one particular.
15Amp-
15amps are a single socket with a heavier-duty wire they have larger earth pins so they will not fit into other sockets, these are used for conventional fixtures. And tend to be run on a dimmer that the desk controls the channels for, they tend to be 6 channels for each dimmer.
16Amp-
16Amps are Much higher power and can be used for more powerful fixtures and you can run much more of a 16amp socket (they can handle 1920watts 3520watts)
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Daisy chaining
Linking power or Dmx together
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AWL
Available working load ( How much a bar can hold)
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SWL
A safe working load
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Tripe
A group of cables running up or down from an LX bar
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Truss
A strong framework used to rig lights onto
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IWB
An Internally wired bar
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Deck
A term used for a stage floor
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Hard Power
Continuous power (Full Power, Hot Power)
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LX Bar
Used to rig lights onto
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Patching
Adding Lights to the desk
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Plotting
Programming the lights
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Saftey Bond
A steal cable used incase the clamp fails acts as a second measure of safety, preventing catastrophic incidents
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