Examples of glyphs for data and/or indicating closure areas

[canacreon]

Screen shots of glyphs to consider for different data sets and/or as alternative to cross hatching for closure areas --

4 themes showing type and degree --

Different shapes for glyphs --

source for above maps and glyphs:
Cartogrphic Perspectives vol 9.pdf
-- pdf attached

Another alternative to cross hatching -- small glyph-like images (in this case with arrows showing wind direction)

Another interesting example showing 3 sets of data -- this couldn't be for closure areas, but could indicate different degrees of 3 sensor data sets (possibly selected by the user)