view +grid/boundaryIdentifier.txt @ 592:4422c4476650 feature/utux2D

Merge with feature/grids
author Martin Almquist <martin.almquist@it.uu.se>
date Mon, 11 Sep 2017 14:17:15 +0200
parents 763d50caddf3
children
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A grid.boundaryIdentifier identifies a boundary of a grid.
For a Cartesian grid it is simply 's', 'n', 'w', 'e'.
For a multiblock grid it might be something like {1, 's'}.
For some other grid it will be up to the developer to chose
a good way to identify boundaries.