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Clarify shifts documentation

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Jan Petykiewicz 2017-09-25 00:43:13 -07:00
parent e0ed0a324c
commit e65f25cc68
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gridlock/grid.py
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@ -38,6 +38,9 @@ class Grid(object):
from the properties named as above, or get them for a given grid by using the from the properties named as above, or get them for a given grid by using the
self.shifted_*xyz(which_shifts) functions. self.shifted_*xyz(which_shifts) functions.
The sizes of adjacent cells are taken into account when applying shifts. The
total shift for each edge is chosen using (shift * dx_of_cell_being_moved_through).
It is tricky to determine the size of the right-most cell after shifting, It is tricky to determine the size of the right-most cell after shifting,
since its right boundary should shift by shifts[i][a] * dxyz[a][dxyz[a].size], since its right boundary should shift by shifts[i][a] * dxyz[a][dxyz[a].size],
where the dxyz element refers to a cell that does not exist. where the dxyz element refers to a cell that does not exist.