[GRASS5] field -> layer

Radim Blazek blazek at itc.it
Sat Nov 13 06:09:37 EST 2004

'field' option is used as layer identifier in 5.7. Each
vector can contain more layers, for example
field=1 : forests
field=2 : lakes

Unfortunately the name 'field' is commonly used for table
columns, so it is quite confusing. My suggestion is
to use option key 'layer' instead of 'field'.


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