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Cast Shadows Cast Shadows

Cast Shadows - PowerPoint Presentation

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Uploaded On 2016-08-15

Cast Shadows - PPT Presentation

PP designed for DVI by Camilla S Haneberg Cast Shadows Things to consider when studying shadows in drawing What is a cast shadow Any opaque object that interrupts the flow of light consequently projects behind itself a field or zone of shadow ID: 448567

shadow cast light work cast shadow work light art information give source important space shape shadows coming dimensional falls

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Presentation Transcript

Slide1

Cast Shadows

PP designed for DVI byCamilla S. HanebergSlide2

Cast Shadows

Things to consider when studying shadows in drawingSlide3

What is a cast shadow?“Any opaque object that interrupts the flow of light consequently projects behind itself a field or zone of shadow.”Ted Seth JacobsSlide4

Why is a cast shadow important to an art work?(we’ll come back to this question later)Slide5

Can you identify what is casting this shadow?Slide6
Slide7

What is casting this shadow?Slide8
Slide9

This one?Slide10
Slide11

Can you tell what this is?Slide12
Slide13

What is the difference between these two cast shadows?Slide14

Where is the light source for each?Slide15

here

here

Origin of lightSlide16

Where is the light source coming from here?Slide17

Penumbral ShadowSlide18

Penumbral shadows are multiple cast shadows that radiate outward from the object. They come from more than one light source. Slide19

Can you tell where the origin of light is for these apples?Slide20

If the light source was the sun, what time of day would it be?

early morning

l

ate morning

a

round noon

e

arly afternoonSlide21

What happens when the cast shadow falls on a surface that is not flat?Slide22

The cast shadow takes the shape of whatever form it falls onto.Slide23

The cast shadow takes the shape of whatever form it falls onto.Slide24

The cast shadow takes the shape of whatever form it falls onto.Slide25

The cast shadow takes the shape of whatever form it falls onto.Slide26

So, why is a cast shadow important to an art work?Slide27

So, why is a cast shadow important to an art work?They indicate three dimensional space in an art workSlide28

So, why is a cast shadow important to an art work?They indicate three dimensional space in an art workThey can give us information about where the light source is coming fromSlide29

So, why is a cast shadow important to an art work?They indicate three dimensional space in an art workThey can give us information about where the light source is coming fromThey can give us visual information about the surface or forms they are being cast uponSlide30

So, why is a cast shadow important to an art work?They indicate three dimensional space in an art workThey can give us information about where the light source is coming fromThey can give us visual information about the surface or forms they are being cast uponThey can give us more information about the shape of the object that is casting themSlide31

So, why is a cast shadow important to an art work?They indicate three dimensional space in an art workThey can give us information about where the light source is coming fromThey can give us visual information about the surface or forms they are being cast uponThey can give us more information about the shape of the object that is casting them

And they can help the objects that are casting them to stand out in spaceSlide32

One more for fun…can you tell what cast this shadow?Slide33

This shadow is like a cut out of the dog (or a silhouette)Slide34

Resources:Light for Artists, Ted Seth JacobsDrawing with an Open Mind, Ted Seth Jacobs