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Closing open contour lines

Question asked by LP8229 on Mar 19, 2018
Latest reply on Mar 19, 2018 by Dan_Patterson

Hi everyone

I've been having some trouble with open contour lines. As you can see on the image, the contour liens didn't close at the edge of the raster. I'd like to connect the ends of the lines with each other, so I can then create a polygon and get area values. I'd like to "round off" the lines, so they close like a circle, with a radius based on the distance between the two ends. Is sth like this possible in ArcMap 10.3?

Thanks a lot!