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TUFLOW CATCH Tutorial M03 Check Files QGIS: Difference between revisions

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Created page with "<font color="red"><font size=18>Page Under Construction</font></font> ==Introduction== Review the interventions. ==Review the Interventions== <ol> <li> In Windows File Explo..."
 
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<font color="red"><font size=18>Page Under Construction</font></font>
==Introduction==
Review the transfer between the HPC and the FV domains. Review the TUFLOW FV nodestring and mesh check files.
Review the interventions.
 
==Review theHPC InterventionsTransfer Check Files==
Review the transfer from the HPC model domain into the FV model domain:
<ol>
<li> In Windows File Explorer, navigate to the '''TUFLOWCatchTUFLOWCATCH\check''' folder and drag and drop '''TC03_001_catchment_hydraulic_im_check_LTC03_001_catchment_hydraulic_hpc_transfer_R.shp''' and '''TC03_001_catchment_hydraulic_grd_check_R.shp''' into QGIS.
<li> The _hpc_transfer_R is the cells where the HPC transfers into the FV model mesh.
<li> The _im_check_L layer shows where the interventions have been applied, and their lengths. Notice that the lines step around the grid cells. This occurs because interventions use a cell face based calculation to remove pollutants. This calculation looks at the flux going across every cell face that the line intercepts with. <font color=red> does this need more info/does this make sense?</font>
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{{Video|name=}}<br>
</ol>
 
==Review TUFLOW FV Check Files==
Open the following check files from the '''TUFLOWCATCH\check''' folder into QGIS:
:*'''TC03_001_receiving_mesh_check_R.shp'''
:*'''TC03_001_catchment_hydraulic_nodestrings_R.shp'''
:*'''TC03_001_receiving_ns_check_L.shp'''
 
Review the TUFLOW FV model mesh:
<ol>
<li>Click on the 'Apply TUFLOW Styles to Open Layers' symbol from the TUFLOW Plugin toolbar.
<li>The _receiving_mesh_check_R is the TUFLOW FV model domain defined by the '''Stream_Mesh.2dm'''. For each cell, it contains:
* '''IDX2''' and '''IDX3''': The cell 2D and 3D ID number. As this is an only 2D model, the IDX3 is set to the IDX2 attribute.
* '''CTRDX''' and '''CTRDY''': The X and Y coordinates of the cell center.
* '''Mat''': The material ID applied in the cell.
* '''ZB''': The elevation of the cell center.
* '''BRough''': The bed roughness (Manning's n) value of the cell.
<li>The _receiving_mesh_check_R is generally used to check the elevations of the mesh match the model bathymetry (the DEM). Review the 'ZB' values:
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{{Video|name=}}<br>
</ol>
 
Review the boundary and culvert nodestrings:
<ol>
<li>Zoom in to the downstream culvert. Observe that the nodestrings have snapped along the closest mesh lines.
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{{Video|name=}}<br>
<li>Zoom in to the upstream boundary. The_catchment_hydraulic_nodestrings is the TUFLOW HPC cell(s) selected by the catchment boundary nodestring. <font color=red> more info?</font>
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{{Video|name=}}<br>
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