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 -- 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.

orthogonal lines Definition - Creative Glossary

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

Definition of orthogonal lines at CreativeGlossary.com.

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, Boston

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 ...

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 ...

Lines in a plane - Orthogonality; Distances - Scarlet

home.scarlet.be/math/recht.htm

Take two lines l : ax + by + c = 0 and l' : a'x + b'y + c' = 0 ... l and l' are orthogonal < => P and Q are orthogonal <=> P.Q ...

What is orthogonal? - Definition from WhatIs.com - SearchStorage

searchstorage.techtarget.com/definition/orthogonal

It refers to perspective lines, drawn diagonally along parallel lines that meet at a so-called "vanishing point." Such perspective lines are orthogonal, ...

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 ...

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 perpendic... ...MORE... 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