rendering and light maps. draw the light that you want to create for the space. use yellow, yellow...
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![Page 1: Rendering and Light Maps. Draw the light that you want to create for the space. Use yellow, yellow orange, orange pencils Indicate where you wish](https://reader036.vdocuments.mx/reader036/viewer/2022082710/56649dca5503460f94ac11d2/html5/thumbnails/1.jpg)
GRAPHIC TOOLS FOR SHOWING
LIGHTRendering and Light Maps
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LIGHT MAPPING: BAKER CENTER CONFERENCE ROOM Draw the light that you want to create
for the space. Use yellow, yellow orange, orange pencils Indicate where you wish to see light on surfaces,
objects, etc. Remember; light is only seen on surfaces, not in
the air.
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THE LIGHT MAPPED PLANTHE KEYS TO SUCCESS IN CREATING A LIGHT MAP Think only in terms of light you want to create. Not:
Practicality Ability to construct Luminaire location Luminaire
Think about the quality of light and where it goes Focus on surfaces and objects and how they receive
and reflect light
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THE LIGHT MAPPED PLAN Adding to the impact of a Light Map
Vary rendering techniques to represent different sources Create a legend that explains what you are showing
Describing Light Annotate details that can not be clearly understood
through the drawing alone Color, texture, and intensity of the light How light effects mood How the light interacts with surfaces “When in doubt, add a description”
Use the 5 layers of light when developing a light map. Light Mapping Choreography Develop symbols
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LIGHTING UNITS AND
MEASUREMENTS
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IT’S ALL ABOUT THE LUMEN
Foot-Candle – light produced onto an object a foot away from a candle
Lumen – the basis of all lighting study Onto or striking a surface – illuminance /1 fc = 1 lumen /
1 sq ft. Off or leaving a surface – exitance / no unit of
measurement Exitance = illuminance multiplied(x) reflectance of
surface If reflectance is 50%, existance is half the illuminance
Leaving a surface in a specific direction with a specific density Candelas per square meter (CD/sq.M)
steradian of spherical area – area made of a portion of a sphere
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UNDERSTANDING ILLUMINANCE
LEVELS
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ILLUMINANCE LEVEL INTUITION Foot Candles = FC
Full Moon Light = 0.1 FCExterior Parking Lot = 1.0 FCDim, Romantic restaurant = 5.0 FCComfortable Living Room = 10 – 15 FCResidential den / study = 20 – 35 FCClassroom / Open Office = 50 – 70 FCLaboratory / Exam Room = 100 FC
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ADDING ILLUMINANCE VALUES TO A LIGHT MAP
Annotate Light Map Indicate foot candle requirement
Based on tasks 5 – 35 foot candles = ambience 35 – 55 fc = common in office areas, classrooms,
etc.
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LIGHTING FOR VISUAL INTEREST Accent and feature lighting
2 times rule Object should be two times brighter than
adjacent surface2 to 5 times is comfortableMore than 5 times creates glare
Example = wall surface has 10 fcArt would have 20 to 50 fc
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IES ILLUMINANCE LEVEL CRITERIA Illuminating Engineering Society of
North America (IESNA) Scientific body that studies light and its
effects on human visual performance www.iesna.org
Published book
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IES ILLUMINANCE LEVEL CRITERIA Lighting Design Concerns Checklist
Desired contrast / distinct accentsDesired sparkle / visible sourcesAccurate color renderingColor Appearance of environmentMood and emotional atmosphereModeling of objects and facesVisual Task performanceSystem control and dimmingDaylighting integration / control
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IES ILLUMINANCE LEVEL CRITERIA Lighting Design Concerns Checklist
Glare Reflections / Specular MaterialsSensitivity to flicker / strobe effectSensitivity to glareEnergy Conservation / efficiencyMaintenance concernsHeat concernsNoise concernsLight level evenness (reducing shadows)