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Talk:Cartesian coordinate system

I think this page doesn't talk about the third dimension (i.e. 'z') nearly enough. Just because co-ordinates are cartesian, doesn't mean they are 2-dimensional. 3-dimensional co-ordinates are usually expressed as cartesian co-ordinates as well, and it seems that this has been included into this article merely as an afterthought.

You are correct in that the 3d aspect of CCS is an afterthought. I spent a _long_ time trying to add information that wasn't so "common". In short, I ran out of time. The problem is when you add more information on this you are moving away from originator of the idea; too, you would probably have to discuss the properties in a 3d system that are different in a 2d system. For instance, slope in a 3d system makes little sense.

I thought it would be an easy article, but actually I need to upload some pictures, that's the only really clear way to explain it (and that ASCII picture is atrocious). I add more later; thanks for the input. Feel free to add :)

Let me know if this is more fully fleshed-out.

Thank you for your valuable input. Adamcscott

Someone made these images. If you want to use them you may have to re-upload them with the extension changed to .jpg. (The wiki software doesn't seem to recognise uppercase .JPG as something that should be an inline image.) --Zundark, 2002 Jan 11---- 1)If you want the images to display in the article itself, you should upload them to http://meta.wikipedia.com

and then use the URL of the page in the meta where the image is displayed. 2). Before you mark off, say x units on the x axis, you have to "choose" a "unit" length. RoseParks----

Sometime in the early 19th century the third dimension of measurement was added, using the z axis.

Was it really that late? Euler didn't think of it? Gauss was already 45 when the 19th started. AxelBoldt 03:09 Jan 23, 2003 (UTC)

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