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Command File (FVC) Reference
Command Line
Cell function ==
<celltype>
Flux file == <hQh
file>
139
Default
Description
None
If structype = cell then the cell function type is
required.
Cell function type can be:
 ZB_adjust:
o Adjustable bed elevations for
a series of cells with a
specified crest level
 DZB_adjust:
o Adjustable bed elevations for
a series of cells with a
specified crest level dz above
existing bed levels
If fluxtype = matrix then a flux file is required.
The flux file is a comma separated variable
file with the hQh flux matrix, defining
discharge for a combination of upstream and
downstream water levels.
It contains header lines (as many header lines
as desired but with no more than 2 commas in
each line), then a matrix as follows:
 First row is a list of upstream water levels
 First column is a list of downstream water
levels
 Matrix is discharge values corresponding
to the listed water levels (corresponding
row for downstream, corresponding
column for upstream).
 The first value on the first line is a scale
factor, which is applied to the Q values in
the matrix.
An example of a CSV file is given below:
Weir Structure example
Yds, yus
1., 0., 2., 3., 5.
0., 0., 10., 100., 125.
1., 10., 30., 100., 125.
2., 20., 50., 100., 125.
4., 30., 10., 100., 125.
Polygon file ==
<polyfile>
TUFLOW FV USER MANUAL BUILD 2010-10-AA
Reads in a comma separated variable file with
a polygon.
The file contains a header line with column
labels “x” and “y”, which define the points