TUFLOW NetCDF Cell Centre Output Format: Difference between revisions

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=Introduction=
This page contains information on the NetCDF file format used for cell centered model outputs from a TUFLOW simulation. To specify cell centered NetCDF output from TUFLOW, the 2017 version or later must be used and "NCCCC" must be included in the Map Output Data Formats, e.g.<br>
<font color="blue"><tt>Map Output Format </tt></font> <font color="red"><tt>==</tt></font><tt> xmdf ncccc </tt><font color="green"><tt>! Output both xmdf and Cell Centered NetCDF formats</tt></font><br>
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There are a range of additional NetCDF related commands, to control the output further these are:<br>
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<font color="blue"><tt>NetCDF Output Format </tt></font> <font color="red"><tt>==</tt></font><tt> {FEWS} | Generic</tt><br>
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Please refer to the <u>[https://docs.tuflow.com/classic-hpc/manual/latest/ TUFLOW manualManual]</u> for more details on these commands.
 
==Global Attributes==
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* References - The documentation of the NetCDF file, i.e. this page!
* Comment - A description of the output.
* NetCDF File Format Version - A unique value for file version, for the 2017 version this is 2.
* NetCDF Data Type - This is 1 for <u>[[TUFLOW_NetCDF_Raster_Output_Format | "NC" raster output]]</u> and 2 for cell centered results.
An example of the '''Global Attributes''' is:
<pre>
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comment = 'Contains raster TUFLOW output, TUFLOW netcdf version: 1'
</pre>
 
==Dimensions==
The output NetCDF will have three or four dimensions depending on if the '''Generic''' or '''FEWS''' format has been specified. These are:
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* Temporal variables
* Non Temporal variables.
For example if the model writes depths ourout every 10 minutes and tracking maximums is enabled (default) then two depth datasets are written: '''depths''' and '''maximum_depths'''. These are described further below.