Tute M01 Boundaries SAGA - Revision history

Emilie Nielsen: /* Introduction */

2024-04-05T02:58:05Z

Introduction

← Older revision		Revision as of 12:58, 5 April 2024
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	== Introduction ==		== Introduction ==
	This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in [[Tutorial_Module01_Archive#~~Control_Files_and_Boundary_Condition_Database~~ \| ~~the module~~ 1 main page]]). We will create three different boundaries:		This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in the <u>[[Tutorial_Module01_Archive#TUFLOW_Boundary_Condition_Database_.28bc_dbase.29 \| Module 1 main page]]</u>). We will create three different boundaries:
	* Upstream flow boundary		* Upstream flow boundary
	* Downstream water level - flow (stage-discharge) boundary		* Downstream water level - flow (stage-discharge) boundary

ElizaCollison at 02:54, 9 January 2023

2023-01-09T02:54:54Z

← Older revision		Revision as of 12:54, 9 January 2023
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	== Introduction ==		== Introduction ==
	This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in [[~~Tutorial_Module01~~#Control_Files_and_Boundary_Condition_Database \| the module 1 main page]]). We will create three different boundaries:		This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in [[Tutorial_Module01_Archive#Control_Files_and_Boundary_Condition_Database \| the module 1 main page]]). We will create three different boundaries:
	* Upstream flow boundary		* Upstream flow boundary
	* Downstream water level - flow (stage-discharge) boundary		* Downstream water level - flow (stage-discharge) boundary
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	== Conclusion ==		== Conclusion ==
	SAGA has been used to create the 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second SAGA layer (2d_sa) defines an internal source boundary. Our next step is to assign hydrographs to the boundary locations created in this page. Please return to the tutorial model page [[~~Module1_test~~#TUFLOW_Boundary_Control_File_.28TBC.29_Updates\|here]].		SAGA has been used to create the 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second SAGA layer (2d_sa) defines an internal source boundary. Our next step is to assign hydrographs to the boundary locations created in this page. Please return to the tutorial model page [[Tutorial_Module01_Archive#TUFLOW_Boundary_Control_File_.28TBC.29_Updates\|here]].

Chris Huxley: /* Method */

2017-01-05T01:52:14Z

Method

← Older revision		Revision as of 11:52, 5 January 2017
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	== Method ==		== Method ==
	===2d_bc Type Boundaries===		===2d_bc Type Boundaries===
	We will create the 2d_bc boundaries first. These boundaries are external and will "snap" to the edge of our active model area. Both of these boundaries have been aligned perpendicular to flow direction.		We will create the 2d_bc boundaries first. These boundaries are external and will "snap" to the edge of our active model area. Both of these boundaries have been aligned perpendicular to flow direction. <br>
	''Note: This line orientation is recommended for 2d_bc QT, HQ and HT boundary inputs. Care should be taken to digitise these boundary types perpendicular to flow direction (i.e. across the waterway). If they are digitised oblique to the flow (i.e. not perpendicular) model instabilities can result in some cases.''		''Note: This line orientation is recommended for 2d_bc QT, HQ and HT boundary inputs. Care should be taken to digitise these boundary types perpendicular to flow direction (i.e. across the waterway). If they are digitised oblique to the flow (i.e. not perpendicular) model instabilities can result in some cases.''
	<ol>		<ol>
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	<li>Save the file, by right clicking on it in the data tab and selecting save.</li>		<li>Save the file, by right clicking on it in the data tab and selecting save.</li>
	</ol>		</ol>

	== Conclusion ==		== Conclusion ==
	SAGA has been used to create the 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second SAGA layer (2d_sa) defines an internal source boundary. Our next step is to assign hydrographs to the boundary locations created in this page. Please return to the tutorial model page [[Module1_test#TUFLOW_Boundary_Control_File_.28TBC.29_Updates\|here]].		SAGA has been used to create the 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second SAGA layer (2d_sa) defines an internal source boundary. Our next step is to assign hydrographs to the boundary locations created in this page. Please return to the tutorial model page [[Module1_test#TUFLOW_Boundary_Control_File_.28TBC.29_Updates\|here]].

Chris Huxley at 01:48, 5 January 2017

2017-01-05T01:48:36Z

← Older revision		Revision as of 11:48, 5 January 2017
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⚫	<ol>
	== Introduction ==		== Introduction ==
	This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in [[Tutorial_Module01#Control_Files_and_Boundary_Condition_Database \| the module 1 main page]]). We will create three different boundaries:		This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in [[Tutorial_Module01#Control_Files_and_Boundary_Condition_Database \| the module 1 main page]]). We will create three different boundaries:
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	* Internal flow boundary		* Internal flow boundary

	The first two boundaries are ~~inputted~~ into a 2d_bc type layer. The third boundary (internal flow boundary) will be applied as a source-area boundary in a 2d_SA boundary type layer.<br>		The first two boundaries are input into a 2d_bc type layer. The third boundary (internal flow boundary) will be applied as a source-area boundary in a 2d_SA boundary type layer.<br>

	== Method ==		== Method ==
		⚫	===2d_bc Type Boundaries===

			We will create the 2d_bc boundaries first. These boundaries are external and will "snap" to the edge of our active model area. Both of these boundaries have been aligned perpendicular to flow direction.
⚫	===2d_bc ~~type~~ ~~boundaries~~===
	We ~~will~~ ~~create~~ ~~the~~ ~~2d_bc~~ ~~boundaries~~ ~~first.~~ ~~These~~ ~~boundaries are~~ ~~external~~ and ~~will~~ ~~"snap"~~ ~~to the edge of our active model area. Both of these boundaries should be aligned perpendicular to flow direction~~. Care should be taken to digitise these ~~boundaries~~ perpendicular to flow direction (i.e. across the ~~waterways~~). We ~~will~~ ~~review~~ the flow ~~patterns~~ in ~~the~~ ~~vicinity~~ ~~of the~~ ~~boundaries~~ ~~later~~ in ~~this~~ ~~tutorial~~.		''Note: This line orientation is recommended for 2d_bc QT, HQ and HT boundary inputs. Care should be taken to digitise these boundary types perpendicular to flow direction (i.e. across the waterway). If they are digitised oblique to the flow (i.e. not perpendicular) model instabilities can result in some cases.''
		⚫	<ol>
	<li>Load the DEM '''Module_Data\DEMs\SAGA\DEM_M01.sgrd'''</li>		<li>Load the DEM '''Module_Data\DEMs\SAGA\DEM_M01.sgrd'''</li>
	<li>Load the code polygon '''TUFLOW\model\gis\2d_code_M01_002_R.shp'''</li>		<li>Load the code polygon '''TUFLOW\model\gis\2d_code_M01_002_R.shp'''</li>
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	<li>In the data tab, right click on the 2d_bc_M01_002_L layer and select "Save".</li>		<li>In the data tab, right click on the 2d_bc_M01_002_L layer and select "Save".</li>
	[[File:Tute M01 Saga 2d bc 7.png\|frame\|none]]		[[File:Tute M01 Saga 2d bc 7.png\|frame\|none]]
			</ol>

	===2d_sa ~~type~~ ~~boundary~~===		===2d_sa Type Boundary===
	The next step is to create an internal inflow boundary using a source-area inflow this is done with a 2d_sa type layer.		The next step is to create an internal inflow boundary using a source-area inflow this is done with a 2d_sa type layer.
			<ol>
	<li>Load the '''2d_sa_empty_R.shp''' template file from the '''TUFLOW\model\gis\empty\'''. Save a copy of the layer in the '''TUFLOW\model\gis\''' directory as '''2d_sa_M01_002_R.shp'''.</li>		<li>Load the '''2d_sa_empty_R.shp''' template file from the '''TUFLOW\model\gis\empty\'''. Save a copy of the layer in the '''TUFLOW\model\gis\''' directory as '''2d_sa_M01_002_R.shp'''.</li>
	<li>Load the newly created 2d_sa_M01_002_R file and close the template file.</li>		<li>Load the newly created 2d_sa_M01_002_R file and close the template file.</li>
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	<br>		<br>
	<li>Save the file, by right clicking on it in the data tab and selecting save.</li>		<li>Save the file, by right clicking on it in the data tab and selecting save.</li>
			</ol>

	== Conclusion ==		== Conclusion ==
	SAGA has been used to create the 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second SAGA layer (2d_sa) defines an internal source boundary. Our next step is to assign hydrographs to the boundary locations created in this page. Please return to the tutorial model page [[Module1_test#TUFLOW_Boundary_Control_File_.28TBC.29_Updates\|here]].		SAGA has been used to create the 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second SAGA layer (2d_sa) defines an internal source boundary. Our next step is to assign hydrographs to the boundary locations created in this page. Please return to the tutorial model page [[Module1_test#TUFLOW_Boundary_Control_File_.28TBC.29_Updates\|here]].

Chris Huxley: /* Conclusion */

2017-01-05T01:33:14Z

Conclusion

← Older revision		Revision as of 11:33, 5 January 2017
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	== Conclusion ==		== Conclusion ==
	SAGA has been used to create the a 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second layer ~~created from the~~ 2d_sa ~~template~~ defines an internal source~~-area~~ boundary. ~~Please return to the tutorial model page [[Module1_test#Define_Boundary_Conditions\|here]], where the~~ next step is to assign hydrographs to the ~~inflow~~ boundary locations created in this page.		SAGA has been used to create the 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second SAGA layer (2d_sa) defines an internal source boundary. Our next step is to assign hydrographs to the boundary locations created in this page. Please return to the tutorial model page [[Module1_test#TUFLOW_Boundary_Control_File_.28TBC.29_Updates\|here]].
	</ol>

tuflow>Par at 05:36, 20 January 2012

2012-01-20T05:36:21Z

tuflow>Par at 05:41, 22 December 2011

2011-12-22T05:41:08Z

tuflow>Par: Protected "Tute M01 Boundaries SAGA": High traffic page ([edit=sysop] (indefinite) [move=sysop] (indefinite))

2011-09-29T01:41:29Z

Protected "Tute M01 Boundaries SAGA": High traffic page ([edit=sysop] (indefinite) [move=sysop] (indefinite))

← Older revision		Revision as of 11:41, 29 September 2011
(No difference)

tuflow>Par: /* Conclusion */

2011-09-19T08:07:21Z

Conclusion

← Older revision		Revision as of 18:07, 19 September 2011
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	== Conclusion ==		== Conclusion ==
	SAGA has been used to create the a 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second ~~ArcMap~~ layer 2d_sa defines an internal source-area boundary. Please return to the tutorial model page [[Module1_test#Define_Boundary_Conditions\|here]], where the next step is to assign hydrographs to the inflow boundary locations created in this page.		SAGA has been used to create the a 2d_bc layer that contains an upstream "QT" type inflow boundary and a downstream "HQ" stage-discharge type boundary. A second layer created from the 2d_sa template defines an internal source-area boundary. Please return to the tutorial model page [[Module1_test#Define_Boundary_Conditions\|here]], where the next step is to assign hydrographs to the inflow boundary locations created in this page.
	</ol>		</ol>

tuflow>Par: /* 2d_sa type boundary */

2011-09-19T08:06:35Z

2d_sa type boundary

← Older revision		Revision as of 18:06, 19 September 2011
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	===2d_sa type boundary===		===2d_sa type boundary===
			The next step is to create an internal inflow boundary using a source-area inflow this is done with a 2d_sa type layer.

			<li>Load the '''2d_sa_empty_R.shp''' template file from the '''TUFLOW\model\saga\empty\'''. Save a copy of the layer in the ''''TUFLOW\model\saga\''' directory as '''2d_sa_M01_003_R.shp'''.</li>
			<li>Load the newly created 2d_sa_M01_003_R file and close the template file.</li>
			<li>Add the layer to a map window with the DEM.</li>
			<li>Add a new shape and digitise a polygon around the dam in the lower right (south-east) of the screen.</li>
			[[File:Tute M01 Saga 2d sa 1.png\|frame\|none]]
			<br>
			<li>Select the object in the map window, navigate to the attribute tab in the object properties window and enter "FC04" under the Name attribute (FC zero four, without the quotes).</li>
			[[File:Tute M01 Saga 2d sa 2.png\|frame\|none]]
			<br>
			<li>Save the file, by right clicking on it in the data tab and selecting save.</li>

	== Conclusion ==		== Conclusion ==

← Older revision		Revision as of 15:36, 20 January 2012
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	We will create the 2d_bc boundaries first. These boundaries are external and will "snap" to the edge of our active model area. Both of these boundaries should be aligned perpendicular to flow direction. Care should be taken to digitise these boundaries perpendicular to flow direction (i.e. across the waterways). We will review the flow patterns in the vicinity of the boundaries later in this tutorial.		We will create the 2d_bc boundaries first. These boundaries are external and will "snap" to the edge of our active model area. Both of these boundaries should be aligned perpendicular to flow direction. Care should be taken to digitise these boundaries perpendicular to flow direction (i.e. across the waterways). We will review the flow patterns in the vicinity of the boundaries later in this tutorial.
	<li>Load the DEM '''Module_Data\DEMs\SAGA\DEM_M01.sgrd'''</li>		<li>Load the DEM '''Module_Data\DEMs\SAGA\DEM_M01.sgrd'''</li>
	<li>Load the code polygon '''TUFLOW\model\gis\~~2d_code_M01_003_R~~.shp'''</li>		<li>Load the code polygon '''TUFLOW\model\gis\2d_code_M01_002_R.shp'''</li>
	<li>Create a new map containing these layers, select both of these in the data tab of the workspace window, right click and select "Show".</li>		<li>Create a new map containing these layers, select both of these in the data tab of the workspace window, right click and select "Show".</li>
	<li>Load the template 2d bc type layer (2d_bc_empty_L.shp) from '''TUFLOW\model\gis\empty\'''.</li>		<li>Load the template 2d bc type layer (2d_bc_empty_L.shp) from '''TUFLOW\model\gis\empty\'''.</li>
	<li>Save a copy of the template under the '''TUFLOW\model\gis''' folder as '''~~2d_bc_M01_003_L~~.shp'''. Note that we save the file into the \model\gis\ directory not the \model\gis\empty\ directory.</li>		<li>Save a copy of the template under the '''TUFLOW\model\gis''' folder as '''2d_bc_M01_002_L.shp'''. Note that we save the file into the \model\gis\ directory not the \model\gis\empty\ directory.</li>
	<li>Open the newly saved, '''~~2d_bc_M01_003_L~~.shp''' add it to the map window and close the template.</li>		<li>Open the newly saved, '''2d_bc_M01_002_L.shp''' add it to the map window and close the template.</li>
	The SAGA window should now look something like this:<br>		The SAGA window should now look something like this:<br>
	[[File:Tute M01 Saga 2d bc 1.png\|frame\|none]]		[[File:Tute M01 Saga 2d bc 1.png\|frame\|none]]
	<br>		<br>
	<li>The first step is to change the style of the code region to make it a bit easier to work with. Select the '''~~2d_code_m01_003_R~~''' in the data tab, and then in the settings tab of the object properties window change the following:<br>		<li>The first step is to change the style of the code region to make it a bit easier to work with. Select the '''2d_code_m01_002_R''' in the data tab, and then in the settings tab of the object properties window change the following:<br>
	* Set the Fill Style to "Transparent", this allows us to see the DEM behind the polygon;		* Set the Fill Style to "Transparent", this allows us to see the DEM behind the polygon;
	* Set the Outline Size to 2, to make the object more visible;		* Set the Outline Size to 2, to make the object more visible;
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	Select Apply.</li>		Select Apply.</li>
	[[File:Tute M01 Saga 2d bc 2.png\|frame\|none\|Modifications above highlighted in bold]]		[[File:Tute M01 Saga 2d bc 2.png\|frame\|none\|Modifications above highlighted in bold]]
	<li>Before we begin modifying the 2d_bc layer, we need to enable snapping to the 2d_code region. To do this select the '''~~2d_bc_M01_003_L~~.shp''' in the data tab, in the settings tab, select the "..." button next to the "Snap to.." text.</li>		<li>Before we begin modifying the 2d_bc layer, we need to enable snapping to the 2d_code region. To do this select the '''2d_bc_M01_002_L.shp''' in the data tab, in the settings tab, select the "..." button next to the "Snap to.." text.</li>
	[[File:Tute M01 Saga SnapTo1.png\|frame\|none]]		[[File:Tute M01 Saga SnapTo1.png\|frame\|none]]
	<br>		<br>
	<li>In the snap to dialogue, select the ~~2d_code_M01_003_R~~ in the left hand pane and move it to the right. Then select Okay. This layer is ready for input into TUFLOW.</li>		<li>In the snap to dialogue, select the 2d_code_M01_002_R in the left hand pane and move it to the right. Then select Okay. This layer is ready for input into TUFLOW.</li>
	[[File:Tute M01 Saga SnapTo2.png\|frame\|none]]		[[File:Tute M01 Saga SnapTo2.png\|frame\|none]]
	<br>		<br>
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	The type "HQ" designates this as a Water Level ("H") versus Flow ("Q") boundary. This is a stage-discharge boundary condition. If a Name is specified, the user must define this stage-discharge relationship in the boundary database. In this case a water surface slope value is specified via the "b" attribute, this value of 0.01 is in metres per metre and corresponds to a 1% water surface slope. TUFLOW will automatically create a stage-discharge curve flow this location, based on the underlying topography, roughness and specified water surface slope.</li>		The type "HQ" designates this as a Water Level ("H") versus Flow ("Q") boundary. This is a stage-discharge boundary condition. If a Name is specified, the user must define this stage-discharge relationship in the boundary database. In this case a water surface slope value is specified via the "b" attribute, this value of 0.01 is in metres per metre and corresponds to a 1% water surface slope. TUFLOW will automatically create a stage-discharge curve flow this location, based on the underlying topography, roughness and specified water surface slope.</li>
	[[File:Tute M01 Saga 2d bc 6.png\|frame\|none]]		[[File:Tute M01 Saga 2d bc 6.png\|frame\|none]]
	<li>In the data tab, right click on the ~~2d_bc_M01_003_L~~ layer and select "Save".</li>		<li>In the data tab, right click on the 2d_bc_M01_002_L layer and select "Save".</li>
	[[File:Tute M01 Saga 2d bc 7.png\|frame\|none]]		[[File:Tute M01 Saga 2d bc 7.png\|frame\|none]]

	===2d_sa type boundary===		===2d_sa type boundary===
	The next step is to create an internal inflow boundary using a source-area inflow this is done with a 2d_sa type layer.		The next step is to create an internal inflow boundary using a source-area inflow this is done with a 2d_sa type layer.
	<li>Load the '''2d_sa_empty_R.shp''' template file from the '''TUFLOW\model\gis\empty\'''. Save a copy of the layer in the '''TUFLOW\model\gis\''' directory as '''~~2d_sa_M01_003_R~~.shp'''.</li>		<li>Load the '''2d_sa_empty_R.shp''' template file from the '''TUFLOW\model\gis\empty\'''. Save a copy of the layer in the '''TUFLOW\model\gis\''' directory as '''2d_sa_M01_002_R.shp'''.</li>
	<li>Load the newly created ~~2d_sa_M01_003_R~~ file and close the template file.</li>		<li>Load the newly created 2d_sa_M01_002_R file and close the template file.</li>
	<li>Add the layer to a map window with the DEM.</li>		<li>Add the layer to a map window with the DEM.</li>
	<li>Add a new shape and digitise a polygon around the dam in the lower right (south-east) of the screen.</li>		<li>Add a new shape and digitise a polygon around the dam in the lower right (south-east) of the screen.</li>

← Older revision		Revision as of 15:41, 22 December 2011
Line 1:		Line 1:
	<ol>		<ol>
	== Introduction ==		== Introduction ==
	This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in ~~???par~~ ~~link~~). We will create three different boundaries:		This page details the method for using SAGA to create the GIS based boundary layer files. Once the GIS layers are setup (detailed in this page), these are linked to data using a boundary database, (the boundary database is described in [[Tutorial_Module01#Control_Files_and_Boundary_Condition_Database \| the module 1 main page]]). We will create three different boundaries:
	* Upstream flow boundary		* Upstream flow boundary
	* Downstream water level - flow (stage-discharge) boundary		* Downstream water level - flow (stage-discharge) boundary
Line 13:		Line 13:
	We will create the 2d_bc boundaries first. These boundaries are external and will "snap" to the edge of our active model area. Both of these boundaries should be aligned perpendicular to flow direction. Care should be taken to digitise these boundaries perpendicular to flow direction (i.e. across the waterways). We will review the flow patterns in the vicinity of the boundaries later in this tutorial.		We will create the 2d_bc boundaries first. These boundaries are external and will "snap" to the edge of our active model area. Both of these boundaries should be aligned perpendicular to flow direction. Care should be taken to digitise these boundaries perpendicular to flow direction (i.e. across the waterways). We will review the flow patterns in the vicinity of the boundaries later in this tutorial.
	<li>Load the DEM '''Module_Data\DEMs\SAGA\DEM_M01.sgrd'''</li>		<li>Load the DEM '''Module_Data\DEMs\SAGA\DEM_M01.sgrd'''</li>
	<li>Load the code polygon '''TUFLOW\model\~~saga~~\2d_code_M01_003_R.shp'''</li>		<li>Load the code polygon '''TUFLOW\model\gis\2d_code_M01_003_R.shp'''</li>
	<li>Create a new map containing these layers, select both of these in the data tab of the workspace window, right click and select "Show".</li>		<li>Create a new map containing these layers, select both of these in the data tab of the workspace window, right click and select "Show".</li>
	<li>Load the template 2d bc type layer (2d_bc_empty_L.shp) from '''TUFLOW\model\~~saga~~\empty\'''.</li>		<li>Load the template 2d bc type layer (2d_bc_empty_L.shp) from '''TUFLOW\model\gis\empty\'''.</li>
	<li>Save a copy of the template under the '''TUFLOW\model\~~saga~~ folder as '''2d_bc_M01_003_L.shp'''. Note that we save the file into the \model\~~saga~~\ directory not the \model\~~saga~~\empty\ directory.</li>		<li>Save a copy of the template under the '''TUFLOW\model\gis''' folder as '''2d_bc_M01_003_L.shp'''. Note that we save the file into the \model\gis\ directory not the \model\gis\empty\ directory.</li>
	<li>Open the newly saved, '''2d_bc_M01_003_L.shp''' add it to the map window and close the template.</li>		<li>Open the newly saved, '''2d_bc_M01_003_L.shp''' add it to the map window and close the template.</li>
	The SAGA window should now look something like this:<br>		The SAGA window should now look something like this:<br>
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	===2d_sa type boundary===		===2d_sa type boundary===
	The next step is to create an internal inflow boundary using a source-area inflow this is done with a 2d_sa type layer.		The next step is to create an internal inflow boundary using a source-area inflow this is done with a 2d_sa type layer.
	<li>Load the '''2d_sa_empty_R.shp''' template file from the '''TUFLOW\model\~~saga~~\empty\'''. Save a copy of the layer in the ''''TUFLOW\model\~~saga~~\''' directory as '''2d_sa_M01_003_R.shp'''.</li>		<li>Load the '''2d_sa_empty_R.shp''' template file from the '''TUFLOW\model\gis\empty\'''. Save a copy of the layer in the '''TUFLOW\model\gis\''' directory as '''2d_sa_M01_003_R.shp'''.</li>
	<li>Load the newly created 2d_sa_M01_003_R file and close the template file.</li>		<li>Load the newly created 2d_sa_M01_003_R file and close the template file.</li>
	<li>Add the layer to a map window with the DEM.</li>		<li>Add the layer to a map window with the DEM.</li>