so this small post is interesting regarding 3d tree generation, while forestry “science” has arguably collected biggest amount of knowledge regarding tree trunks. therefore if we know the terms they use we can much easier navigate and find info it has gathered in last hundreds of years.

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Forestry, as any other science practice, has developed its own terminology and jargon. In this section, some important terms for this thesis from forestry terminology regarding tree trunk formations and defects are defined.

A crock is a formation in a branch or a trunk which is characterized by a sharp bend in the main stem. A tree trunk with a crook will most likely be as strong as one without a crook. Crooks form in trees as a part of the normal development process. Later in a tree’s development process this problem is usually corrected (Kays and Tjaden 1999).

A wolf tree is a forester’s terminology for a large and usually old tree, whose crown is well spread, with little commercial value. Yet often these trees are of great value for other forest inhabitants. Sweep is a tree trunk defect which means a gradually curve in the main stem. A snag is a dead tree which is still standing. Snags are also very important as shelters and food for the rest of an ecosystem. A fork is a tree where the main stem is divided into two or more stems. “Rot is a term used to describe a tree which is defective due to decay in part of a living tree or a log.” (Hubbard et al. 1998)

forestry terminology

Fig 7. Tree defects Picture taken from: William Hubbard, Christopher Latt, Alan Long.1998. Forest Terminology for Multiple-Use Management, Forest Terminology for Multiple-Use Management, University of Florida, and the Florida Forest Stewardship Program

You can visit my web page here

and see some “manually” modeled trees here

dont like english? u can (try) readig it in lithuanian or anny other language here! alternative, has no lithuanian :(

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