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(top) West and east divide trees prior to splicing. Note the runoffs as blue squares aligned north-south along the edge to be spliced. (bottom) Divide tree after the splice operation. Runoffs have disappeared, the ridge lines now seamlessly connected across the north-south quadrangle edge. A red vertical line identifies the original edge and was inserted by the author, i.e. it is not part of Winprom. |
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