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Terms in this set (42)
AKA bird's-eye view. Observing from a point of view at a high elevation. In perspective, when the horizon line, and thus the banishing point (-s) have been placed near or above the top of the picture frame. This applies most often to landscapes, cityscapes, etc. (NOT aerial perspective)
THe means by which the illusion of atmospheric distance and depth is created by rendering objects in background space with less edge and value contrast. May also be accompanied by a shift from warmer to cooler hues, softer focus, or lighter value.
Cone of Vision
The visual area represented by the drawing usually corresponding to a normal person's vision, minus their peripheral vision. About 60 degrees. Angle of sight.
Contour Line (drawing)
A single line that represents the edge of a form or group of forms and suggests 3D quality indicating the thickness as well as height and width of the form it describes. Contour line drawing uses subtle overlapping planes.
In linear perspective, parallel lines in nature appear to converge (come together) as they recede to a point on eye level or horizon line.
In linear perspective, the phenomenon of more distant objects appearing smaller.
The rim or border. The place where two things meet: the background (negative space) meets surface objects (positive space), a "tone" or "value" meets a different tone/value.
In linear perspective, the height at which the eyes are located in relation to the ground plane. Standing creates high, sitting creates low. In most views, the eye level will match a horizon line. All vanishing points in one and two point perspective are positioned on the eye level.
A technique for producing the illusion of an object's extension into space by contacting its form. A way of representing a subject/object so that it conveys an illusion of depth so that it seems to go back into space.
Drawn by hand, without the use of mechanical devices-straightedge, compass, protractor, french curves, computer equipment, etc. This is the opposite of mechanical drawing
In linear perspective, the line on which all horizontal vanishing points are positioned. More accurately described as the eye line or eye level.
The placement of images within a two dimensional format.
Line of Sight
Distance from the Station Point to the Center of Vision on the Horizon Line.
A method of drawing which delineates form through the use of a variety of values. A range of tones from light to dark.
A structural description of a form in which its complex curves are generalized into major planar zones
Any system used to represent depth or space on a flat surface by reducing the size and placement of elements to suggest that they are further away from the viewer.
A frontal, head on view with a central point at eye level at which all receding parallels appear to converge and vanish
A way of representing space on the picture plane in which physically parallel elements of the same size appear progressively reduced along converging rays to the left and right, reaching a single point on the horizon on both the left and right sides.
A system for representing objects in space with exaggerated three dimensionality, through the use of three perpendicular sets of converging parallels
The physical vertical and horizontal dimensions of the paper surface
The flat, 2D surface on which a drawing is made
Any flat or level surface
A way in which to represent and judge the spatial position of an object in 3D illusionistic space so that forms drawn smaller appear further away and forms drawn larger appear closer.
A drawing that attempts to achieve a near-likeness to the objects being drawn. Drawings which strive to achieve the qualities of realism
A depiction or an interpretation. A drawing in perspective of a proposed structure
Ratio or proportion used in determining the dimensional relationship between the drawing and the representational object
A relatively flat space, Having weight and width but limited depth
The visual measurements of objects and spaces between objects
A quick drawing that loosely captures the appearance or action of a place or situation. Sketches are often done in preparation for larger, more detailed works
In linear perspective, the fixed position a person occupies in relation to the subject that is being drawn
The flat, actual surface area of a drawing, which is the product of LxW of the drawing paper
The actual space in the environment, and the representation of it in the form of pictorial illusion
A point at an infinite distance at which any two or more lines that represent parallel lines will converge. Horizontal lines vanish to points on the HL
The potential of any element or area of a drawing to attract the eye
The overall size of an object, and by extension the quantity of the 3D space it occupies
The changing visual identity of values in juxtaposition, sometimes called value contrast
The basic tonality of an object's surface, regardless of incidental lighting effects or surface texture
The brightest area of illumination on a form, which appears on that part of the surface most perpendicular to the light source
After highlight and quarter tone, the next brightest area of illumination on a form. The halftone is located on that part of the surface that is parallel to the rays of light.
The shadow thrown by a form onto an adjacent or nearby surface in a direction away from the light source
The relatively weak light that bounces off a nearby surface onto the shadowed side of a form.