QGIS SWMM Junctions Set Attributes - Revision history

Emilie Nielsen: /* Recommended Settings */

2024-08-26T05:46:48Z

Recommended Settings

← Older revision		Revision as of 15:46, 26 August 2024
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	::* Area of ponding:  Set to some positive value.		::* Area of ponding:  Set to some positive value.
	:; Option 2:		:; Option 2:
	::* Surcharge depth:  Set to a value higher than expected ~~node~~ ~~depths~~.		::* Surcharge depth:  Set to a value higher than any expected depth in the model.
	::* Area of ponding:  Set to 0.0.		::* Area of ponding:  Set to 0.0.
	</ol>		</ol>

Emilie Nielsen: /* Example */

2024-05-03T05:12:37Z

Example

← Older revision		Revision as of 15:12, 3 May 2024
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	== Example ==		== Example ==
	<br>		<br>
	{{Video\|name=~~Animation_Junctions_Set_Attributes_01b~~.mp4\|width=~~1235~~}}		{{Video\|name=Animation_Junctions_Set_Attributes_01c.mp4\|width=1236}}
	<br>		<br>
	Using the 'Edit Feature In-Place' tool:		Using the 'Edit Feature In-Place' tool:
	<br><br>		<br><br>
	{{Video\|name=~~Animation_Junctions_Set_Attributes_02b~~.mp4\|width=~~1235~~}}		{{Video\|name=Animation_Junctions_Set_Attributes_02c.mp4\|width=1236}}
	<br>		<br>

Emilie Nielsen: /* Usage */

2024-05-03T00:09:05Z

Usage

← Older revision		Revision as of 10:09, 3 May 2024
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	'''Note:''' If 'Edit Feature In-Place' is selected, the tool does not require the 'Input layer' or the 'JunctionAtts' parameters as the tool will override the existing junctions file with the updated attributes.		'''Note:''' If 'Edit Feature In-Place' is selected, the tool does not require the 'Input layer' or the 'JunctionAtts' parameters as the tool will override the existing junctions file with the updated attributes.
	<br><br>		<br><br>
	[[File:~~Junctions_Set_Attributes_Dialog_c~~.png]]		[[File:Junctions_Set_Attributes_Dialog_d.png]]
	<br><br>		<br><br>

Emilie Nielsen: /* Parameters */

2024-03-01T04:39:55Z

Parameters

← Older revision		Revision as of 14:39, 1 March 2024
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	'''Note:''' If 'Edit Feature In-Place' is selected, the tool does not require the 'Input layer' or the 'JunctionAtts' parameters as the tool will override the existing junctions file with the updated attributes.		'''Note:''' If 'Edit Feature In-Place' is selected, the tool does not require the 'Input layer' or the 'JunctionAtts' parameters as the tool will override the existing junctions file with the updated attributes.
	<br><br>		<br><br>
	[[File:~~Junctions_Set_Attributes_Dialog_b~~.png]]		[[File:Junctions_Set_Attributes_Dialog_c.png]]
	<br><br>		<br><br>

Emilie Nielsen: /* Recommended Settings */

2024-02-29T04:40:10Z

Recommended Settings

Emilie Nielsen: /* Recommended Settings */

2024-02-29T04:29:09Z

Recommended Settings

← Older revision		Revision as of 14:29, 29 February 2024
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	<li>'''Nodes connected to the 2D without inlets (through embankment culvert):'''		<li>'''Nodes connected to the 2D without inlets (through embankment culvert):'''
	:*'''Ysur:''' Sets the surcharge at nodes connected to the 2D with inlets. Recommended value is 0.0.		:*'''Ysur:'''  Sets the surcharge at nodes connected to the 2D with inlets. Recommended value is 0.0.
	:*'''Apond:''' Set to the approximate area of the 2D cells associated with the 1D/2D BC culvert connections layer(s). A larger area may improve stability, but may artificially attenuate discharges.		:*'''Apond:'''  Set to the approximate area of the 2D cells associated with the 1D/2D BC culvert connections layer(s). A larger area may improve stability, but may artificially attenuate discharges.

	<li>'''Nodes connected to 2D with inlets (underground pipe network):'''		<li>'''Nodes connected to 2D with inlets (underground pipe network):'''
Line 47:		Line 47:
	::*Set to inlet elevation - node elevation:  Sets the Ymax value to the inlet elevation minus the node elevation.		::*Set to inlet elevation - node elevation:  Sets the Ymax value to the inlet elevation minus the node elevation.
	::*Use global option:  Sets the Ymax value based on the parameters set in the 'Global Options' section.		::*Use global option:  Sets the Ymax value based on the parameters set in the 'Global Options' section.
	:*'''Ysur:''' Set to 0.0 if using ponding. Otherwise, set to higher than expected depths to prevent flooding.		:*'''Ysur:'''  Set to 0.0 if using ponding. Otherwise, set to higher than expected depths to prevent flooding.
	:*'''Area of ponding:''' Set to the approximate area of the 2D cells associated with the Inlet Usage connections layer(s).		:*'''Area of ponding:'''  Set to the approximate area of the 2D cells associated with the Inlet Usage connections layer(s).

	<li>'''Nodes without a 2D connection (underground pipe network):''' When a node is not connected to the 2D, flood losses will be lost from the model resulting in mass losses and inaccurate results. To prevent this, allow ponding (option 1) or make the surcharge depth high (option 2).		<li>'''Nodes without a 2D connection (underground pipe network):'''<br>
			When a node is not connected to the 2D, flood losses will be lost from the model resulting in mass losses and inaccurate results. To prevent this, allow ponding (option 1) or make the surcharge depth high (option 2).
⚫	:*Option 1:
	::*'''~~Surcharge~~ ~~depth~~:''' ~~Set to 0.0.~~		:*'''Option 1:'''
	::*~~'''Area~~ ~~of ponding~~:~~'''~~ Set to ~~some positive value~~.		::*Surcharge depth:  Set to 0.0.
		⚫	::*Area of ponding:  Set to some positive value.
	:*Option 2:
		⚫	:*'''Option 2:'''
	::*~~'''~~Surcharge depth:~~'''~~ Set to a value higher than expected node depths.		::*Surcharge depth:  Set to a value higher than expected node depths.
⚫	::*~~'''~~Area of ponding:~~'''~~ Set to ~~0.0~~.
			::*Area of ponding:  Set to 0.0.
	</ol>		</ol>
	<br>		<br>

Emilie Nielsen: /* Recommended Settings */

2024-02-29T04:26:52Z

Recommended Settings

← Older revision		Revision as of 14:26, 29 February 2024
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	<li>'''General Options:'''		<li>'''General Options:'''
	:*'''Maximum Depth Option (Ymax):'''		:*'''Maximum Depth Option (Ymax):'''
	::*Set to 0.0: Initializes the Ymax for all junction nodes to 0.0. This option may be overwritten ~~for~~ ~~nodes~~ connected to inlets.		::*Set to 0.0:  Initializes the Ymax for all junction nodes to 0.0. This option may be overwritten by the parameters set in the 'Nodes connected to 2D with inlets (underground pipe network)' section.
	::*Leave as is: Leaves the Ymax value as is for all junction nodes. This option applies ~~for~~ 'Edit Feature In-Place' ~~only~~.		::*Leave as is:  Leaves the Ymax value as is for all junction nodes. This option only applies if using 'Edit Feature In-Place'.
	:*'''Nodes receiving subcatchment flows option (if connected to 2D):'''		:*'''Nodes receiving subcatchment flows option (if connected to 2D):'''
	::*Based on options selected below: ~~Options~~ set ~~below~~ ~~are~~ applied.		::*Based on options selected below:  Parameters set in the following sections will be applied.
	::*Set Apond = 0.0; Ysur = 0.0 (overwrites options below): Forces subcatchment outlets to use 0.0 for Ysur and Apond (turns off ponding). When ponding is off, node surcharging is reported as 'flooding' to SWMM and is immediately transferred to the 2D domain.		::*Set Apond = 0.0; Ysur = 0.0 (overwrites options below):  Forces subcatchment outlets to use 0.0 for Ysur and Apond (turns off ponding). When ponding is off, node surcharging is reported as 'flooding' to SWMM and is immediately transferred to the 2D domain.

	<li>'''Nodes connected to the 2D without inlets (through embankment culvert):'''		<li>'''Nodes connected to the 2D without inlets (through embankment culvert):'''
			:*'''Ysur:''' Sets the surcharge at nodes connected to the 2D with inlets. Recommended value is 0.0.
	:*'''Ysur:''' 0.0
	:*'''Apond:''' ~~Approximate~~ area of ~~connected~~ 2D cells. A larger area may improve stability, but may artificially attenuate discharges.		:*'''Apond:''' Set to the approximate area of the 2D cells associated with the 1D/2D BC culvert connections layer(s). A larger area may improve stability, but may artificially attenuate discharges.

	<li>'''Nodes connected to 2D with inlets (underground pipe network):'''		<li>'''Nodes connected to 2D with inlets (underground pipe network):'''
	:*'''Maximum depth (Ymax) option (overwrites general setting):'''		:*'''Maximum depth (Ymax) option (overwrites general setting):'''
	::*Set to inlet elevation - node elevation: Sets the Ymax value to the inlet elevation minus the node elevation.		::*Set to inlet elevation - node elevation:  Sets the Ymax value to the inlet elevation minus the node elevation.
	::*Use global option: Sets the Ymax value based on the ~~settings~~ ~~selected~~ in the 'Global Options' section.		::*Use global option:  Sets the Ymax value based on the parameters set in the 'Global Options' section.
	:*'''Ysur:''' Set to 0.0 if using ponding. Otherwise, set to higher than expected depths to prevent flooding.		:*'''Ysur:''' Set to 0.0 if using ponding. Otherwise, set to higher than expected depths to prevent flooding.
	:*'''Area of ponding:''' Set to the ~~manhole~~ area.		:*'''Area of ponding:''' Set to the approximate area of the 2D cells associated with the Inlet Usage connections layer(s).

	<li>'''Nodes without a 2D connection (underground pipe network):''' When a node is not connected to the 2D, flood losses will be lost from the model resulting in mass losses and inaccurate results. To prevent this, allow ponding (option 1) or make the surcharge depth high (option 2).		<li>'''Nodes without a 2D connection (underground pipe network):''' When a node is not connected to the 2D, flood losses will be lost from the model resulting in mass losses and inaccurate results. To prevent this, allow ponding (option 1) or make the surcharge depth high (option 2).
	:*Option 1:		:*Option 1:

Emilie Nielsen: /* Recommended Settings */

2024-02-29T03:58:13Z

Recommended Settings

← Older revision		Revision as of 13:58, 29 February 2024
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	=== Recommended Settings ===		=== Recommended Settings ===

	The recommended settings for junctions within the 2D domain ~~depends~~ on whether the node receives flow from a subcatchment and whether and how the node is connected to the 2D domain. Below is a description of the input parameters and their recommended values.		The recommended settings for junctions within the 2D domain depend on whether the node receives flow from a subcatchment and whether and how the node is connected to the 2D domain. Below is a description of the input parameters and their recommended values.
	<br>		<br>
	<ol>		<ol>

Emilie Nielsen: /* Usage */

2024-02-29T01:33:28Z

Usage

← Older revision		Revision as of 11:33, 29 February 2024
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	<ol>		<ol>
	<li>'''Input layer:''' The existing junctions layer to be updated.		<li>'''Input layer:''' The existing junctions layer to be updated.
	<li>'''Selected features only:''' If ~~nodes~~(s) in the junctions layer have been selected using the 'Select Features' tool, this option will become available. If checked on, the tool will only update the selected node(s).		<li>'''Selected features only:''' If node(s) in the junctions layer have been selected using the 'Select Features' tool, this option will become available. If checked on, the tool will only update the selected node(s).
	<li>'''Input Subcatchments [optional]:''' The subcatchments layer(s) that the node(s) receive flow from.		<li>'''Input Subcatchments [optional]:''' The subcatchments layer(s) that the node(s) receive flow from.
	<li>'''Input Inlet Usage Layers [optional]:''' The input inlet usage layer(s) that the node(s) are connected to.		<li>'''Input Inlet Usage Layers [optional]:''' The input inlet usage layer(s) that the node(s) are connected to.

Emilie Nielsen: /* Parameters */

2024-02-29T01:32:37Z

Parameters

← Older revision		Revision as of 11:32, 29 February 2024
Line 13:		Line 13:

	<ol>		<ol>
	<li>'''Input layer:''' The junctions layer ~~that will~~ be updated.		<li>'''Input layer:''' The existing junctions layer to be updated.
	<li>'''Selected features only:''' If nodes(s) in the junctions layer have been selected using the 'Select Features' tool, this option will become available. If ~~this is~~ checked on, the tool will only update the node(s) ~~that have been selected~~.		<li>'''Selected features only:''' If nodes(s) in the junctions layer have been selected using the 'Select Features' tool, this option will become available. If checked on, the tool will only update the selected node(s).
	<li>'''Input Subcatchments [optional]:''' The subcatchments layer(s) that the node(s) receive flow from.		<li>'''Input Subcatchments [optional]:''' The subcatchments layer(s) that the node(s) receive flow from.
	<li>'''Input Inlet Usage Layers [optional]:''' The input inlet usage layer(s) that the node(s) are connected to.		<li>'''Input Inlet Usage Layers [optional]:''' The input inlet usage layer(s) that the node(s) are connected to.

← Older revision		Revision as of 14:40, 29 February 2024
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	<ol>		<ol>
	<li>'''General Options:'''		<li>'''General Options:'''
	:*'''Maximum Depth Option (Ymax):~~'''~~		:; Maximum Depth Option (Ymax):
	::*Set to 0.0:  Initializes the Ymax for all junction nodes to 0.0. This option may be overwritten by the parameters set in the 'Nodes connected to 2D with inlets (underground pipe network)' section.		::* Set to 0.0:  Initializes the Ymax for all junction nodes to 0.0. This option may be overwritten by the parameters set in the 'Nodes connected to 2D with inlets (underground pipe network)' section.
	::*Leave as is:  Leaves the Ymax value as is for all junction nodes. This option only applies if using 'Edit Feature In-Place'.		::* Leave as is:  Leaves the Ymax value as is for all junction nodes. This option only applies if using 'Edit Feature In-Place'.
	:*'''Nodes receiving subcatchment flows option (if connected to 2D):~~'''~~		:; Nodes receiving subcatchment flows option (if connected to 2D):
	::*Based on options selected below:  Parameters set in the following sections will be applied.		::* Based on options selected below:  Parameters set in the following sections will be applied.
	::*Set Apond = 0.0; Ysur = 0.0 (overwrites options below):  Forces subcatchment outlets to use 0.0 for Ysur and Apond (turns off ponding). When ponding is off, node surcharging is reported as 'flooding' to SWMM and is immediately transferred to the 2D domain.		::* Set Apond = 0.0; Ysur = 0.0 (overwrites options below):  Forces subcatchment outlets to use 0.0 for Ysur and Apond (turns off ponding). When ponding is off, node surcharging is reported as 'flooding' to SWMM and is immediately transferred to the 2D domain.

	<li>'''Nodes connected to the 2D without inlets (through embankment culvert):'''		<li>'''Nodes connected to the 2D without inlets (through embankment culvert):'''
	:*'''Ysur:'''  Sets the surcharge at nodes connected to the 2D with inlets. Recommended value is 0.0.		: '''Ysur:'''  Sets the surcharge at nodes connected to the 2D with inlets. Recommended value is 0.0.
	:*'''Apond:'''  Set to the approximate area of the 2D cells associated with the 1D/2D BC culvert connections layer(s). A larger area may improve stability, but may artificially attenuate discharges.		: '''Apond:'''  Set to the approximate area of the 2D cells associated with the 1D/2D BC culvert connections layer(s). A larger area may improve stability, but may artificially attenuate discharges.

	<li>'''Nodes connected to 2D with inlets (underground pipe network):'''		<li>'''Nodes connected to 2D with inlets (underground pipe network):'''
	:*'''Maximum depth (Ymax) option (overwrites general setting):~~'''~~		:; Maximum depth (Ymax) option (overwrites general setting):
	::*Set to inlet elevation - node elevation:  Sets the Ymax value to the inlet elevation minus the node elevation.		::* Set to inlet elevation - node elevation:  Sets the Ymax value to the inlet elevation minus the node elevation.
	::*Use global option:  Sets the Ymax value based on the parameters set in the 'Global Options' section.		::* Use global option:  Sets the Ymax value based on the parameters set in the 'Global Options' section.
	:*'''Ysur:'''  Set to 0.0 if using ponding. Otherwise, set to higher than expected depths to prevent flooding.		: '''Ysur:'''  Set to 0.0 if using ponding. Otherwise, set to higher than expected depths to prevent flooding.
	:*'''Area of ponding:'''  Set to the approximate area of the 2D cells associated with the Inlet Usage connections layer(s).		: '''Area of ponding:'''  Set to the approximate area of the 2D cells associated with the Inlet Usage connections layer(s).

	<li>'''Nodes without a 2D connection (underground pipe network):'''<br>		<li>'''Nodes without a 2D connection (underground pipe network):'''<br>
	When a node is not connected to the 2D, flood losses will be lost from the model resulting in mass losses and inaccurate results. To prevent this, allow ponding (option 1) or make the surcharge depth high (option 2).		When a node is not connected to the 2D, flood losses will be lost from the model resulting in mass losses and inaccurate results. To prevent this, allow ponding (option 1) or make the surcharge depth high (option 2).
	:*'''Option 1:~~'''~~		:; Option 1:
	::*Surcharge depth:  Set to 0.0.		::* Surcharge depth:  Set to 0.0.
	::*Area of ponding:  Set to some positive value.		::* Area of ponding:  Set to some positive value.
	:*'''Option 2:~~'''~~		:; Option 2:
	::*Surcharge depth:  Set to a value higher than expected node depths.		::* Surcharge depth:  Set to a value higher than expected node depths.
	::*Area of ponding:  Set to 0.0.		::* Area of ponding:  Set to 0.0.
	</ol>		</ol>
	<br>		<br>