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Orthogonality

en.wikipedia.org/wiki/Orthogonality

The line segments AB and CD are orthogonal to each other. In mathematics, orthogonality is the relation of two lines at right angles to one another ...

Perspective Drawing - One Point Perspective - Arty Factory

www.artyfactory.com/perspective_drawing/perspective_3.html

There are two types of construction lines used in this perspective drawing: 1) ORTHOGONAL LINES which we have drawn in RED. 2) TRANSVERSAL LINES  ...

orthogonal lines Definition - Creative Glossary

www.creativeglossary.com/art-perspective/orthogonal-lines.html

Definition of orthogonal lines at CreativeGlossary.com.

Orthogonal Lines -- from Wolfram MathWorld

mathworld.wolfram.com/OrthogonalLines.html

Orthogonal Lines. Two or more lines or line segments which are perpendicular are said to be orthogonal. ... CITE THIS AS: Weisstein, Eric W. "Orthogonal Lines.

drawsketch.about.com/od/drawingglossary/g/orthogonal.htm
Orthogonal is a term derived from mathematics, meaning 'at right angles' and related to orthogonal projection, another method of drawing three-dimensional objects. The term is possibly applied to the vanishing lines used in perspective drawing as these are at right ang... More »
By Helen South, About.com Guide

Glossary - Museum of Science

legacy.mos.org/sln/Leonardo/Glossary.html

Orthogonal Lines ~ Straight diagonal lines drawn to connect points around the edges of a picture to the vanishing point. They represent parallel lines receding ...

Exploring Linear Perspective - Museum of Science

legacy.mos.org/sln/Leonardo/ExploringLinearPerspective.html

Orthogonal lines are "visual rays" helping the viewer's eye to connect points around the edges of the canvas to the vanishing point. An artist uses them to align ...

Orthogonal - math word definition - Math Open Reference

www.mathopenref.com/orthogonal.html

Orthogonal. Two lines or planes are orthogonal if they are at right angles (90°) to each other. In the image below, the lines AB and PQ are orthogonal because ...

8.4.2 Fitting Orthogonal Lines

people.inf.ethz.ch/arbenz/MatlabKurs/node87.html

8.4.2 Fitting Orthogonal Lines. To fit two orthogonal lines we can proceed very similar as in the the case of the parallel lines. If $ (n_1 , n_2 )$ is the normal vector ...

Orthogonal lines | Article about orthogonal lines by The Free ...

encyclopedia2.thefreedictionary.com/orthogonal lines

Looking for orthogonal lines? Find out information about orthogonal lines. Lines which are perpendicular Explanation of orthogonal lines.

Popular Q&A
Q: What are orthogonal lines?
A: Orthogonal lines are two lines which are perpendicular, i.e. 90 degrees, to each other. Read More »
Source: wiki.answers.com
Q: What is orthogonal lines?
A: ( ör′thäg·ən·əl ′līnz ) (mathematics) Lines which are perpendicular. Read More »
Source: www.answers.com
Q: What are orthogonal lines?
A: Orthogonal lines is a term meaning simply lines which are Read More »
Source: www.chacha.com
Q: What is a orthogonal line to a plane ?
A: It is a line which is perpendicular to all other lines in the plane. It is necessary and sufficient to have a line. which is perpendicular to two distinct lines... Read More »
Source: answers.yahoo.com
Q: What is the point at which orthogonal lines disappear in linear p...
A: This is called the "vanishing point" Read More »
Source: wiki.answers.com