Why Can't Contour Lines Ever Cross Each Other?

Answer

Contour lines can never cross each other because they have separate elevation and they can't be at the same point. They will cross only on an overhanging cliff or cave.
Q&A Related to "Why Can't Contour Lines Ever Cross Each Other?"
answ2. The answer you seek, but UNTRUE is that they cannot cross each other. But in mountainous areas such as a fiord landscape, there are overhangs, and contour lines (should) cross
http://wiki.answers.com/Q/Why_cant_contour_lines_e...
Hold on! Assuming you mean elevation contours on a topographic map, believe it or not, they can. Imagine an overhanging cliff higher than the contour interval on the map. The contour
http://answers.yahoo.com/question/index?qid=200901...
One contour can not cross another because a contour is one exact
http://www.chacha.com/question/why-can't-to-contou...
line segments (x0,y0)x1,y1) and (x2,y2)x3,y3) have crossed over each other if. |x0 y0 1|. |x1 y1 1|. |x2 y2 1|. * |x0 y0 1|. |x1 y1 1|. |x3 y3 1|. <0. and. |x2 y2 1|. |x3 y3 1|
http://www.experts-exchange.com/Programming/Misc/Q...
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Contour lines are lines that connect points of equal elevation. Contour lines never cross because each line represents a different elevation. Contour line is a ...
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