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SNT: Manual

No change in size, 21 April
Auto-tracing
===Auto-tracing===
If active, SNT uses the [https://en.wikipedia.org/wiki/A*_search_algorithm A* search algorithm] to automatically construct paths between two manually selected points. To manually place each node in a path, toggle this feature offOFF.
[[File:SNT-auto-tracing.png|right|thumb|Auto-tracing dialog]]
A quick way to improve the quality and efficiency of the pathfinding is to enable "Hessian-based analysis", which filters the image for tube-like structures. Two parameters need to be chosen:
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