krissywatts
how do i calculate contour line? here is one triangle of the contour map



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krissywatts
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dw:1353134091614:dw

krissywatts
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yes

irkiz
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how did you get 42.5 below 40.5?

krissywatts
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it was written down on my map

irkiz
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hmm doesnt make sense...
i find the scale factor

irkiz
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126 is the true height difference?

krissywatts
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and i had to measure the triangle to find the elevation which i measured out to be 126

krissywatts
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@chemENGINEER do you know how to do this?

irkiz
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the thing is i dont really understand your question...
maybe if i had the original question then i can do it

krissywatts
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i measure the triangles 1:20" scale

krissywatts
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i'll try and upload it tomorrow because its huge

krissywatts
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it is contour interpolation @AbhimanyuPudi

mark_o.
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the elevation from 42.5 to 40.5 is correct in w/c you got elevation=2

mark_o.
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average slope = rise / run

krissywatts
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what do i do next?

krissywatts
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do i multiply the 2 by 126 and divide by 2?

mark_o.
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hmm i think you need to give all the info or the whole prob and pictures here, look like theyre incomplete