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TUFLOW CATCH Tutorial M01 Project Initialisation QGIS: Difference between revisions

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== Introduction ==
QGIS is used to configure the TUFLOW CATCH project with the TUFLOW CATCH plugin. For installation, see <u>[[TUFLOW_CATCH_QGIS_PluginTUFLOW_CATCH_Tutorial_Introduction#Software_Requirements | TUFLOW CATCH QGISTutorial PluginIntroduction]]</u>.
 
There are three steps to set up the TUFLOW CATCH project:
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<li>Define the QGIS Project Coordinate Reference System (CRS).
<li>Use the TUFLOW CATCH plugin to create the model folder structure and to write empty GIS files for model inputs.
<li>Set up and save the QGIS workspace to contain the DEM of the site.
</ol>
 
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<li>Click ‘Apply’ and ‘OK’.
<li>Ensure that the projection is set correctly by viewing the bottom right hand corner of the workspace. It should read ‘EPSG:32760’.
<br><br>▼
{{Video|name=animation_TC1_initialisation_01a.mp4|width=1236}}<br>
</ol>
▲<br>
 
== TUFLOW CATCH Plugin ==
Create the TUFLOW CATCH project:
<ol>
<li> Go to Processing > Toolbox from the top drop down menu optionoptions to open the Processing Toolbox.
<li> Go to TUFLOW Catch in the processing tool list and select <font color=red>create page?</font> 'Create TUFLOW Catch Project'. This opens the dialog shown below.
:*Project Name: '''TC01'''
:*Project Folder: Click '...', and navigate to the '''TUFLOW_CATCH_Module_01\Modelling''' folder.
:*Project CRS: Click the drop down menu and select 'Project CRS: EPSG:32760 - WGS 84 / UTM zone 60S’.
:*TUFLOW HPC Executable: Click '...', and navigate to the '''exe\TUFLOW\20252026.0.20''' folder. Select '''TUFLOW_iSP_w64.exe'''.
:*TUFLOW FV Executable: Click '...', and navigate to the '''exe\TUFLOWFV\20252026.0.0''' folder. Select '''TUFLOWFV.exe'''.
:*Default GIS Format: Click the drop down menu and select 'SHP'.
:*Tick on 'Create Empty Files', 'Create Folder Structure' and 'Setup Control File Templates'
<li>*Control ClickFile 'Run'Templates: andExpand athe DOS'Advanced consoleParameters' windowsection. willClick open'...', Thisand createstick theon: TUFLOW CATCH folderControl structurefile (.tcc), theBatch projectionfile files,(.bat) theand emptyESTRY GISControl filesfile and(.ecf). templateEnsure controlall other files. are ticked off.
 
<li> Once the tool has finished, click 'Close'.<br>▼
<li> Click 'Run' and a console window will open. This creates the TUFLOW CATCH folder structure, the projection files, the empty GIS files and template control files.
<br>▼
▲<li> Once the tool has finished, click 'Close'.<br>
[[File:image of tool dialog]]<br>
<br><br>
{{Video|name=animation_TC1_initialisation_02b.mp4|width=1236}}<br>
</ol>
 
The TUFLOW CATCH folder structure will now be set up in the '''TUFLOW_CATCH_Module_01\Modelling''' folder. The template files '''TC01_001.tcc''', '''Demonstration.bat''' and '''TC01_001.ecf''' will be in their respective folders. Note that the '''Modelling\TUFLOW''' folder still contains all files from <u>[[Tutorial_M06#Part_3_-_Rainfall_Control_File | TUFLOW Tutorial Module 6 (part 3).]]<br/u>.
 
{{Video|name=video showing tool output}}<br>
{{Video|name=animation_TC1_initialisation_03a.mp4|width=1236}}<br>
 
== QGIS Workspace ==
Set up the QGIS workspace to contain the model elevation data, and save the workspace:
<ol>
<li>In Windows File Explorer, navigate to the '''Modelling\TUFLOW\model\grid''' folder. Drag and drop the '''DEM.tif''' file into QGIS.
<li>Change the symbology of the DEM:
* In the QGIS Layers panel, right click the '''DEM''' file and select 'Properties'.
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*Click 'Apply' and 'OK'.
<br>
{{Video|name=animation_TC1_initialisation_04a.mp4|width=1236}}<br>
<li>Create a hillshade of the DEM:
*Right click on the '''DEM''' file in the QGIS Layers Panel and select 'Duplicate Layer'.
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*Click 'Apply' and 'OK'.
<br>
{{Video|name=videoanimation_TC1_initialisation_05a.mp4|width=1236}}<br>
<li> Save the QGIS workspace:
*Go to Project > Save As.
*Navigate to the '''TUFLOW_CATCH_Module_01''' folder and type CATCH_M01 assave the filenameworkspace with the extensionas '''TC01.qgz'''.
</ol>
 
▲<br>
== Conclusion ==
The TUFLOW CATCH plugin was used to set up the TUFLOW CATCH model folders, define the GIS projection and write empty GIS files. The QGIS workspace was set up to contain the DEM of the site in the correct projection.
 
{{Tips Navigation
|uplink=[[TUFLOW_CATCH_Tutorial_M01#Project_Initialisation| Back to TUFLOW CATCH Tutorial 1]]
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