Talk:Projection

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There seems to be both this article and map projection. Since both seem to be talking about essentially the same things, it might be worthwhile to merge them and redirect the other. If so, someone with a better background in mathematics or cartography would be better suited to the task than myself. -- IHCOYC


This page is now a disambiguation page. -- The Anome 20:49 21 Jun 2003 (UTC)

Projection categories of meaning[edit]

Ref: 10 Quick definitions paraphrase for "projection".
- the act of expelling or ejecting.
- the act of reaching or projecting out from something.
- any peripheral shape that juts or branches from a central shape.
- the mathematical (or other) representation of an object, in a different coordinate system.
* the graphic representation of a 2D or 3D object on a separate surface. [[1]], [[2]]
- the projection of an image from a film onto a screen.
- the acoustic phenomenon that gives sound a penetrating or far reaching quality.
- a mental defense mechanism by which your own traits and emotions are attributed to someone else.
- a prediction made by extrapolating from past observation or experience.
- a planned undertaking.
173.79.109.85 (talk) 02:25, 7 July 2010 (UTC)

Projection in databases[edit]

I'm missing the definition of projection in database systems. Can anyone please set the link and write the article? --MauriceKA 09:33, 17 Mar 2005 (UTC)

Geographic use of orthographic projection[edit]

. Many place names in WikiPedia use an orthographic projection image of the earth to more usefully illustrate the position on the surface of the earth. The advantage is that of the orthographic projection is that is gives more 'practical' position & directional information to near-by (same hemisphere) features (coasts, islands, continents, etc.) which are directly usable for aircraft flights, radio propagation, etc.
. It would be useful to indicate how new projections can be generated when someone puts in a new place name.
. Note that there are many types of (ie: there is no 'true') orthographic projection.
. See also, and.
Wikidity (talk) 21:00, 5 July 2010 (UTC)