Test 2 Flashcards

1
Q

Drawing’s Space

A

A two-dimensional surface where we arrange Elements of Design (lines, shapes, values, textures, colors, and space)

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2
Q

Verlapping definition

A

Shapes that partially obscure other shapes are seen as being closer in space

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3
Q

Relative position definition

A

Shapes on a ground plane that are positioned lower in the picture are seen as closer than those higher up

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4
Q

Diagonals definition

A

Forms positioned diagonally across the picture appear to recede in depth while vertical or horizontal forms do not

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5
Q

Chiaroscuro (kee-ah-roh-SKOOR-oh) definition

A

The gradual blending of light and shade to create a three-dimensional illusion

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6
Q

Atmospheric perspective definition

A

Closer volumes are generally described with stronger contrasts of value and sharper edge detail and more distant forms have progressively less contrast and softer edge detail

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7
Q

Linear perspective definition

A

A heightened three-dimensional illusion of form and shape

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8
Q

Linear perspective incorporates what interrelated optical phenomena?

A
  1. Diminution: Objects of equal size appear smaller as their distance from the observer increases
  2. Foreshortened: Edges and planes appear longest when they are parallel to the picture plane
    - If viewed obliquely, these edges and planes will appear shorter
  3. Convergence: Edges and planes that are parallel to each other in physical reality, appear to com together toward a common point as they recede in depth
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9
Q

Station Point (S.P.)

A

The fixed position of the one eye of the observer
- position from which the subject is seen

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10
Q

Eye level (E.L.)

A

A horizontal plane through the station point (sp)
- Sometimes referred to as the horizon line

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11
Q

Picture plane (P.P.)

A

An imaginary transparent plane that sits between the observer and subject, which is always perpendicular to the central visual ray (cvr)

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12
Q

Central visual ray (C.V.R.)

A

The fixed direction of viewing, expressed as a single imaginary line from the station point (sp) which is always perpendicular to the picture plane (pp)

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13
Q

Visual ray (V.R.)

A

The theoretical path of a light ray
- an imaginary straight line

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14
Q

Vanishing point (V.P.)

A

The point where receding parallel lines appear to converge

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15
Q

Angle of vision (< of vision)

A

The limitation of how much of the field of vision is included in the drawing
- both height and width

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16
Q

When to use one-point perspective (parallel perspective)

A

When drawing rectangular solids that have facing planes that are parallel to the picture plane
- all receding edges converge to the same vanishing point
- vanishing point located on eye level

17
Q

Perspective in other words

A

point of view

18
Q

Linear perspective

A

Establishes the relationship in space between the viewer and the subject

19
Q

Perspective grid

A

a matrix made up of lines on paper that converge to vanishing points

20
Q

Perspective midpoint

A

The center point of a shape (typically square of rectangular) when seen foreshortened
- can be found with an “X” from each corner

21
Q

Measuring lines

A

Used when there is odd numbered divisions on a receding plane

22
Q

Inclined planes

A

Like ramps and stairways, will converge to their own vanishing point

23
Q

Two-point perspective (angular perspective) is used when

A

When drawing rectangular solids or interior spaces viewed diagonally
- no planes are parallel to picture plane

24
Q

Three-point perspective (oblique perspective) is used when

A

when a viewer’s head is tilted up or down
- the picture plan tilts along with the viewers head, remaining perpendicular to the central visual ray
- vertical edges will recede from the picture plane toward a third vanishing point located either above or below eye level

25
Q

Zenith

A

In a three-point perspective when vanishing point is above eye level when looking up

26
Q

Nadir

A

In a three-point perspective when vanishing point is below eye level when looking down

27
Q

Factors to consider when evaluating your drawing

A
  • Composition
  • Proportional relationships
  • Shapes
  • Line quality
  • Space and perspective
  • Value
  • Color
  • Media and presentation