FM Tutorial M01 QGIS GPKG WLL Lines - Revision history

RussellGardner: /* Water Level Lines */

2025-10-07T11:00:26Z

Water Level Lines

← Older revision		Revision as of 21:00, 7 October 2025
Line 2:		Line 2:
	Water Level Line (WLL) are used to display 1D results in map outputs. WLL do not change 1D hydraulic computations and are only used to display 1D results in plan (2D) formats. For more information on WLL, refer to the <u>[https://docs.tuflow.com/classic-hpc/manual/2025.2/Map-2.html#OneDMap-3 TUFLOW Manual]</u>:		Water Level Line (WLL) are used to display 1D results in map outputs. WLL do not change 1D hydraulic computations and are only used to display 1D results in plan (2D) formats. For more information on WLL, refer to the <u>[https://docs.tuflow.com/classic-hpc/manual/2025.2/Map-2.html#OneDMap-3 TUFLOW Manual]</u>:
	<ol>		<ol>
	<li>Open the '''Water_Level_Lines.shp''' layer from the Module_Data\Module_01\gis folder.</li>		<li>Open the '''Water_Level_Lines.shp''' layer from the '''Module_Data\Module_01\gis''' folder.</li>

	<li> Open the project GeoPackage file <b>M02_5m_002.gpkg</b> in the Browser Panel. Drag and drop the layer '''Water_Level_Lines.shp''' into the project GeoPackage file <b>M02_5m_002.gpkg</b>. Re-name the layer <b>1d_x1d_WLL_FMT_M01_001_L</b>. The _x1d_ in the name flags that the Water Level Lines will be linked to an external 1D network, in this case a Flood Modeller network, rather than a 1D ESTRY network. </li>		<li> Open the project GeoPackage file <b>M02_5m_002.gpkg</b> in the Browser Panel. Drag and drop the layer '''Water_Level_Lines.shp''' into the project GeoPackage file <b>M02_5m_002.gpkg</b>. Re-name the layer <b>1d_x1d_WLL_FMT_M01_001_L</b>. The _x1d_ in the name flags that the Water Level Lines will be linked to an external 1D network, in this case a Flood Modeller network, rather than a 1D ESTRY network. </li>

RussellGardner: /* Water Level Lines */

2025-10-07T10:12:34Z

Water Level Lines

← Older revision		Revision as of 20:12, 7 October 2025
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	<li>Open the '''Water_Level_Lines.shp''' layer from the Module_Data\Module_01\gis folder.</li>		<li>Open the '''Water_Level_Lines.shp''' layer from the Module_Data\Module_01\gis folder.</li>

	<li> Open the project GeoPackage file <b>M02_5m_002.gpkg</b> in the Browser Panel. Drag and drop the layer ~~<b>FloodModeller_Nodes_P~~.shp~~</b>~~ into the project GeoPackage file <b>M02_5m_002.gpkg</b>. Re-name the layer b>1d_x1d_WLL_FMT_M01_001_L~~.gpkg~~</b>. </li>		<li> Open the project GeoPackage file <b>M02_5m_002.gpkg</b> in the Browser Panel. Drag and drop the layer '''Water_Level_Lines.shp''' into the project GeoPackage file <b>M02_5m_002.gpkg</b>. Re-name the layer <b>1d_x1d_WLL_FMT_M01_001_L</b>. The _x1d_ in the name flags that the Water Level Lines will be linked to an external 1D network, in this case a Flood Modeller network, rather than a 1D ESTRY network. </li>

	Save as '''1d_x1d_WLL_FMT_M01_001_L.shp''' within the FMT_M01\TUFLOW\model\gis folder. The _x1d_ in the name flags that the Water Level Lines will be linked to an external 1D network, in this case a Flood Modeller network, rather than a 1D ESTRY network.</li>

	<li>The 1d_wll layer must be digitised perpendicular to the flow direction and from left to right looking downstream. An attribute of '2.5' is specified for all lines as a minimum distance interval along the WLL to generate triangulation points.</li>		<li>The 1d_wll layer must be digitised perpendicular to the flow direction and from left to right looking downstream. An attribute of '2.5' is specified for all lines as a minimum distance interval along the WLL to generate triangulation points.</li>
	<br>

	<br>		<br>

RussellGardner: /* Water Level Lines */

2025-10-03T12:01:06Z

Water Level Lines

← Older revision		Revision as of 22:01, 3 October 2025
Line 24:		Line 24:

	</ol>		</ol>

			<br>

	{{Tips Navigation		{{Tips Navigation

RussellGardner: /* Water Level Lines */

2025-10-03T11:58:51Z

Water Level Lines

← Older revision		Revision as of 21:58, 3 October 2025
Line 19:		Line 19:
	<li>When using 1D Water Level Lines to display 1D map outputs from a Flood Modeller network, a channel line within a 1d_x1d GIS layer must also be digitised. A pre-digitised channel line for the network has been provided in the Module_Data folder. Open the '''Flood_Modeller_Network.shp''' layer from the Module_Data\Module_01\gis folder.</li>		<li>When using 1D Water Level Lines to display 1D map outputs from a Flood Modeller network, a channel line within a 1d_x1d GIS layer must also be digitised. A pre-digitised channel line for the network has been provided in the Module_Data folder. Open the '''Flood_Modeller_Network.shp''' layer from the Module_Data\Module_01\gis folder.</li>

	<li>Drag and drop the layer '''Flood_Modeller_Network.shp''' into the project GeoPackage file <b>M02_5m_002.gpkg</b>. Re-name the layer b>1d_x1d_FMT_M01_nwk_001_L</b>. </li>		<li>Drag and drop the layer '''Flood_Modeller_Network.shp''' into the project GeoPackage file <b>M02_5m_002.gpkg</b>. Re-name the layer <b>1d_x1d_FMT_M01_nwk_001_L</b>. </li>

	<li>Open the GIS layer within QGIS.</li>		<li>Open the GIS layer within QGIS.</li>

RussellGardner: /* Water Level Lines */

2025-09-29T17:25:28Z

Water Level Lines

← Older revision		Revision as of 03:25, 30 September 2025
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	<br>		<br>

			<br>
⚫	~~<br>~~{{Video\|name=Define the Water Level Lines ~~SHP~~.mp4 \|width=1123}}

		⚫	{{Video\|name=Define the Water Level Lines GPKG.mp4 \|width=1123}}

	<br>		<br>

RussellGardner: Created page with "==Water Level Lines== Water Level Line (WLL) are used to display 1D results in map outputs. WLL do not change 1D hydraulic computations and are only used to display 1D results..."

2025-09-29T17:12:34Z

Created page with "==Water Level Lines== Water Level Line (WLL) are used to display 1D results in map outputs. WLL do not change 1D hydraulic computations and are only used to display 1D results..."

New page

==Water Level Lines==
Water Level Line (WLL) are used to display 1D results in map outputs. WLL do not change 1D hydraulic computations and are only used to display 1D results in plan (2D) formats. For more information on WLL, refer to the [https://docs.tuflow.com/classic-hpc/manual/2025.2/Map-2.html#OneDMap-3 TUFLOW Manual]:
<ol>
<li>Open the '''Water_Level_Lines.shp''' layer from the Module_Data\Module_01\gis folder.</li>

<li> Open the project GeoPackage file M02_5m_002.gpkg in the Browser Panel. Drag and drop the layer FloodModeller_Nodes_P.shp into the project GeoPackage file M02_5m_002.gpkg. Re-name the layer b>1d_x1d_WLL_FMT_M01_001_L.gpkg. </li>

Save as '''1d_x1d_WLL_FMT_M01_001_L.shp''' within the FMT_M01\TUFLOW\model\gis folder. The _x1d_ in the name flags that the Water Level Lines will be linked to an external 1D network, in this case a Flood Modeller network, rather than a 1D ESTRY network.</li>

<li>The 1d_wll layer must be digitised perpendicular to the flow direction and from left to right looking downstream. An attribute of '2.5' is specified for all lines as a minimum distance interval along the WLL to generate triangulation points.</li>
 

 {{Video|name=Define the Water Level Lines SHP.mp4 |width=1123}}

 

<li>When using 1D Water Level Lines to display 1D map outputs from a Flood Modeller network, a channel line within a 1d_x1d GIS layer must also be digitised. A pre-digitised channel line for the network has been provided in the Module_Data folder. Open the '''Flood_Modeller_Network.shp''' layer from the Module_Data\Module_01\gis folder.</li>

<li>Drag and drop the layer '''Flood_Modeller_Network.shp''' into the project GeoPackage file M02_5m_002.gpkg. Re-name the layer b>1d_x1d_FMT_M01_nwk_001_L. </li>

<li>Open the GIS layer within QGIS.</li>

</ol>

{{Tips Navigation
|uplink=[[Flood_Modeller_Tutorial_Module01_Provisional#Define the 1D/2D Boundary Links| Back to Tutorial Module 01 Main Page]]
}}