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Q: Is a vertical line an example of linear perspective?
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What is technical perspective?

What you may mean is "linear perspective." If that's the case, linear perspective is the practice of using a horizon line, vanishing points and grids drawn in perspective to portray things (especially buildings and cityscapes) in realistic proportions and to calculate feats of engineering. The person to really nail down the rules of linear perspective was engineer/architect Fillipo Brunelleschi. He is the one who came up with the iron-clad laws of vanishing points and perspective grids. This forever changed drawing and painting.


What is atmospheric perspective in art?

In the simplest sense, it is the creation of an illusion of depth. To achieve the illusion of depth one can do many things, but to considering the atmosphere, of course, is considering the idea of 'atmospheric perspective' (especially in a 3D image), one may try to communicate the depth, the lighting, the objects, perspective, among many circumstances to create the illusion of atmospheric perspective For example: Creating the atmospheric perspective of fogginess, a painter may consider images closer to the viewer to be more defined and less engulfed by fog, whereas a figure further away may only seem a shadowy figure or silhouette.


In a perspective drawing what is a horizon line?

A horizon line is commonly a imagined guide line that represents the horizon in the drawing. In it's simplest form it is simply a line that roughly represents the vertical position of the observer with respect to objects in the scene. It's main property is that all parallell lines converge at one unique point on the horizon line. Setting the horizon line low in the image will yield a birds perspective of the scene, while a high line make a frog perspective. More complex drawings that contain objects that are not parallell to the imagined ground plane will have several horizon lines. For example, consider a simple drawing of a block-formed house with a tilted roof. The horizon line of the house body would normally be the same as the one for the ground plane it is resting on. The edges of the roof would have a different horizon line, above the one associated with the walls and the ground plane. One interesting and valuable feature is that the edges of the roof will converge at a point on it's horizon line that is straight above the corresponding agreggation point for the lines of the body of the house, scince the lines are only rotated with respect to each other along one axis. If the roof has several sections with different angles, their perspective points will all be at the intersection of their corresponding horizon lines and a vertical line through the aggregation point for the house wall. This is true also for a more complicated three-point perspective, with the vertical line replaced for one that is converging at the third perspective point of the drawing. More generally, a perspective draving requires one horizon line for each set of parallell lines. This concept can be extended to make even more complicated constructs with vertical "horizon lines" and even lines at arbritrary angles corresponding to different orientation of objects along any axis. (Do google the differences between one- two- and three-point perspectives. It is also possible to construct a four-point perspective where each set of parallell lines requie two horizon lines, but this is not consistent unless the parallell lines are rendered in curves and is generally very tedious to acheive by hand. The result would resemble a picture taken with a circular fish-eye lens. :) )


What is a three pont perspective drawing?

Three point linear prespective is when there are three established vanishing points. In three point linear prespective verticles cease to be verticle and instead run twords the third vanishing point. In this particular prespective the first two vanishing points establish the horizon line whil the third is located either above or below the horizon line.


What is slant line in drawing?

Slant line is a line which is not horizontal or vertical. In drawing they help to form proportional objects.

Related questions

How do you show space in an artwork?

* Linear Perspective * Horizon Line * Vanishing Point * Orthogonal * Horizontal * Vertical


What is a diagonal line that appears to converge in linear perspective?

It is a horizontal line.


Does in linear graphs the slope of the line change with the x coordinate?

In a linear graph the slope is the same everywhere, assuming vertical line graphs are not allowed. Depending on context, a vertical line (say x = 3) is not always allowed. If the graph is a vertical line then the slope is infinite at the single value of x. (That would be 3 in the example above.) The slope would then be undefined elsewhere.


Is there instance in which a linear equation is not a function?

yes, a vertical line is linear, but it's not a function.


What does it mean if the slope of a line is undefined?

it means that the line in the linear equation is a vertical line


A graph of a non-vertical straight line is a?

Linear function


What is a linear equation with a undefined slope?

A linear equation with an undefined slope is an equation where, when graphed, forms a vertical line. For example: when given 2 points: (2, 4) (2,7) ~ The x-values are the same, while the y-values differ, which would create a vertical line when the points are graphed


What is the difference between a linear graph and a non-linear graph?

linear: LINE example--- line non-linear: not a LINE example--- parabola The other possibility is a graph with a non-linear scale. First a linear scale will have each unit represent the same amount, regardless of where you are on the scale. A semilog scale, has a linear scale in the horizontal direction, and a logarithmic scale in the vertical direction. Exponential functions (such as ex & 10x), will graph as a straight line on this type of graph scale). A logarithmic or log-log scale, has logarithmic scales on both horizontal and vertical axis. Power functions (such as sqrt(x), x2 and x3), graph as a straight line on these scales. See Related Link


Is there an instance when a linear equation is not a function?

Yes, a vertical line is linear, but it is not a function, because every point on the line has the same x value.


What is a function whose graph is a nonvertical line or part of a non-vertical line?

A linear equation


What is an example of a vertical line?

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How are linear equations and functions alike?

They are not. A vertical line is not a function so all linear equations are not functions. And all functions are not linear equations.