contour
How to get zero contour?
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Thanks a lot...0

I am doing Tilt derivative map.How to get +45 degree and 45 degree contour and depth from it?0

Hey pankaj,if you draw a contours for tilt derivative map it gives the 1 to +1 contour interval only.Tilt derivative means inverese tan(Vertical derivative/Horizontal derviavtive),it menas if the both derivatives give same value i.e vertical /horizontal=1 then inverse tan(1)=45,so 1 and +1 contour itself a 45 degree and +45 degree.0
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