UNIT 7- Volume presentation
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Transcript of UNIT 7- Volume presentation
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Visual ArtsTeacher Simone
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Everything in the world has VOLUME
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VOLUME is the amount of 3 DIMENSIONAL
SPACE occupied by an object.
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Even though the world is 3 DIMENSIONAL, we represent it through FLAT images, like paintings, photographs, drawings, etc.
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Artists use different methods to represent 3 DIMENSIONAL SPACE and VOLUME on a flat surface, like a paper or a canvas.
These “visual tricks” give the impression of space and volume.
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Artists can use the following methods to create the illusion of volume and space: 1. PERSPECTIVE 2. SIZE 3. SUPERPOSITION 4. LIGHT AND SHADOW
▪ CHIAROSCURO
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Conical perspective is a technique used by artists to represent 3 dimensional space.
There are 4 elements: The HORIZON LINE, PERPECTIVE LINES, the VANISHING POINT and the POINT OF VIEW.
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The HORIZON LINE is an imaginary or real horizontal line, sometimes referred to as eye level, which divides your line of vision when you look straight ahead
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2) PERSPECTIVE LINES are straight lines, drawn from the edges of objects, back into distant space, until they come together at the horizon.
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3) The VANISHING POINT is the point where are the perspective lines meet and disappear.
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4) The POINT OF VIEW is the position of the spectator with respect to the scene observed.
from above from below
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Objects close to us appear big, and objects far from us appear small. This is a basic aspect of conical perspective.
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Artists change the size of objects in order to create the effect of a three-dimensional scene.
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The superposition is when one object covers part of another.
Our brain interpets that the object that is covered is FARTHER AWAY and the object that covers is CLOSER.
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Artists use superposition in order to create the effect of 3-dimensional space.
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Draw a simple landscape with CONICAL PERSPECTIVE.
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Cut out the silhouettes (shapes) of objects.
Use VARIATIONS IN SIZE and SUPERPOSITION to create the effect of 3D space. For example:
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Light, which allows us to see objects, has a secondary effect– shadow.
An illuminated object will have zones of both light and shadow, which augments a three-dimensional effect.
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There are two types of shadow: Core shadow: is the shadow that an
object casts on itself. Cast shadow: is the shadow that an
object casts on the floor or the objects around it. Core shadow
Cast shadow
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There are other areas of light and shadow.
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Chiaroscuro: is a technique to recreate the progression of light to shadow (light to dark) of an object.
This helps give an effect of three dimensions.
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Project: Black and white drawing. Step 1: In your sketchbook, cover
half with a piece of black card.
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Step 2: Observe objects arranged on the table. Be sure to use some superposition.
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Step 3: On the white side, draw the objects using CHIAROSCURO, adding the SHADOW with pencil.
Step 4: On the black side, draw the objects using CHAIROSCURO, adding the HIGHLIGHTS with light pastel.
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Example: