Difference between revisions of "TUFLOW CATCH Tutorial M02 Check Files QGIS"

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<font color="red"><font size=18>Page Under Construction</font></font>
 
 
==Introduction==
 
==Introduction==
Review the interventions.  
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QGIS is used to review the intervention devices.  
  
 
==Review the Interventions==
 
==Review the Interventions==
 
<ol>
 
<ol>
 
<li> In Windows File Explorer, navigate to the '''TUFLOWCATCH\check''' folder and drag and drop '''TC02_001_catchment_hydraulic_im_check_L.shp''' and '''TC02_001_catchment_hydraulic_grd_check_R.shp''' into QGIS.
 
<li> In Windows File Explorer, navigate to the '''TUFLOWCATCH\check''' folder and drag and drop '''TC02_001_catchment_hydraulic_im_check_L.shp''' and '''TC02_001_catchment_hydraulic_grd_check_R.shp''' into QGIS.
<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><br>
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<li> Click on the 'Apply TUFLOW Styles to Open Layers' symbol from the TUFLOW Plugin toolbar.  
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<br><br>
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[[File:tuflow_plugin_styles_open_layers.png]]<br>
 
<br>
 
<br>
{{Video|name=}}<br>
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<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.<br>
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<br>
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{{Video|name=animation_TC2_check_01a.mp4|width=1236}}<br>
 
</ol>
 
</ol>
  

Latest revision as of 10:32, 29 May 2025

Introduction

QGIS is used to review the intervention devices.

Review the Interventions

  1. In Windows File Explorer, navigate to the TUFLOWCATCH\check folder and drag and drop TC02_001_catchment_hydraulic_im_check_L.shp and TC02_001_catchment_hydraulic_grd_check_R.shp into QGIS.
  2. Click on the 'Apply TUFLOW Styles to Open Layers' symbol from the TUFLOW Plugin toolbar.

    Tuflow plugin styles open layers.png

  3. 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.



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