Saturday, February 4, 2017

Hatching Topologies for the Artist

A methodology of drawing that emerged over the years as a way to describe form is known as hatching. Hatching is used as a way to organize lines to better communicate the concept of form to the viewer. Hatching is a kind of drawing language, comprised of groups of lines of varying lengths, that often appear as a series of parallel lines which describe the topology of the form in space. Hatching can also be a pattern of shapes that through proximity to one another create the illusion of light on an object- commonly referred to as the light model. All forms of hatching rely on patterns of alignment and orientation to describe how form reflects light thereby creating in the viewer's brain information about how that object occupies space. In this regard, hatching is very much like the matrix of polygons that describe a volume in CAD space, as demonstrated in previous posts.
As a primer, one might consider that there are six types of Hatching modalities.

Contour Hatching

Parallel Hatching

Cross Hatching

Fine Cross Hatching 

Tick Hatching

Basket Hatching

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