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	<id>https://wiki.tuflow.com/w/index.php?action=history&amp;feed=atom&amp;title=TUFLOW_Message_2044</id>
	<title>TUFLOW Message 2044 - Revision history</title>
	<link rel="self" type="application/atom+xml" href="https://wiki.tuflow.com/w/index.php?action=history&amp;feed=atom&amp;title=TUFLOW_Message_2044"/>
	<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;action=history"/>
	<updated>2026-04-30T03:19:45Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=34796&amp;oldid=prev</id>
		<title>Pavlina Monhartova at 00:59, 28 October 2023</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=34796&amp;oldid=prev"/>
		<updated>2023-10-28T00:59:58Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:59, 28 October 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 9:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to a Flood Modeller node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and Flood Modeller rather than solely to Flood Modeller.  &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to a Flood Modeller node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and Flood Modeller rather than solely to Flood Modeller.  &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#2D_Breaklines | Tutorial Module 11, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#2D_Breaklines | Tutorial Module 11, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ISIS&lt;/del&gt;-TUFLOW models linked via the &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ISIS&lt;/del&gt;-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Flood Modeller&lt;/ins&gt;-TUFLOW models linked via the &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Flood Modeller&lt;/ins&gt;-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-34795:rev-34796:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Pavlina Monhartova</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=34795&amp;oldid=prev</id>
		<title>Pavlina Monhartova at 00:59, 28 October 2023</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=34795&amp;oldid=prev"/>
		<updated>2023-10-28T00:59:23Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:59, 28 October 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#1D_.2F_2D_Links | Tutorial Module 11, 1D/2D Links]]&amp;lt;/u&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#1D_.2F_2D_Links | Tutorial Module 11, 1D/2D Links]]&amp;lt;/u&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to a Flood Modeller node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ISIS&lt;/del&gt; rather than solely to &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ISIS&lt;/del&gt;.  &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to a Flood Modeller node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Flood Modeller&lt;/ins&gt; rather than solely to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Flood Modeller&lt;/ins&gt;.  &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#2D_Breaklines | Tutorial Module 11, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#2D_Breaklines | Tutorial Module 11, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-34794:rev-34795:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Pavlina Monhartova</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=34794&amp;oldid=prev</id>
		<title>Pavlina Monhartova at 00:58, 28 October 2023</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=34794&amp;oldid=prev"/>
		<updated>2023-10-28T00:58:48Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:58, 28 October 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 7:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#1D_.2F_2D_Links | Tutorial Module 11, 1D/2D Links]]&amp;lt;/u&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#1D_.2F_2D_Links | Tutorial Module 11, 1D/2D Links]]&amp;lt;/u&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;an&lt;/del&gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;ISIS&lt;/del&gt; node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and ISIS rather than solely to ISIS.  &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;a&lt;/ins&gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Flood Modeller&lt;/ins&gt; node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and ISIS rather than solely to ISIS.  &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#2D_Breaklines | Tutorial Module 11, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_M11_001_GIS_Inputs_QGIS#2D_Breaklines | Tutorial Module 11, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-31386:rev-34794:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Pavlina Monhartova</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=31386&amp;oldid=prev</id>
		<title>ElizaCollison at 23:29, 8 January 2023</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=31386&amp;oldid=prev"/>
		<updated>2023-01-08T23:29:51Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:29, 9 January 2023&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must be at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must be at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;u&amp;gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tutorial_Module04&lt;/del&gt;#&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1D&lt;/del&gt;.&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2F2D_Links&lt;/del&gt; | Tutorial &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;module&lt;/del&gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;4&lt;/del&gt;, &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1d&lt;/del&gt;/&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2d&lt;/del&gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;links&lt;/del&gt;]]&amp;lt;/u&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&amp;lt;u&amp;gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tutorial_M11_001_GIS_Inputs_QGIS&lt;/ins&gt;#&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1D_&lt;/ins&gt;.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2F_2D_Links&lt;/ins&gt; | Tutorial &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Module&lt;/ins&gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;11&lt;/ins&gt;, &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;1D&lt;/ins&gt;/&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;2D&lt;/ins&gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Links&lt;/ins&gt;]]&amp;lt;/u&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to an ISIS node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and ISIS rather than solely to ISIS.  &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to an ISIS node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and ISIS rather than solely to ISIS.  &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[&lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tutorial_Module04&lt;/del&gt;#2D_Breaklines | Tutorial &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;module&lt;/del&gt; &lt;del style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;4&lt;/del&gt;, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Tutorial_M11_001_GIS_Inputs_QGIS&lt;/ins&gt;#2D_Breaklines | Tutorial &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;Module&lt;/ins&gt; &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;11&lt;/ins&gt;, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-31105:rev-31386:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>ElizaCollison</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=31105&amp;oldid=prev</id>
		<title>Melissa.Moghanloo at 01:13, 23 December 2022</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=31105&amp;oldid=prev"/>
		<updated>2022-12-23T01:13:50Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 11:13, 23 December 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 11:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 11:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|prelink=[[TUFLOW_Message_2043|Message 2043]]&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|uplink=[[2xxx_TUFLOW_Messages|2xxx Messages]]&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|uplink=[[2xxx_TUFLOW_Messages|2xxx Messages]]&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|nextlink=[[TUFLOW_Message_2045|Message 2045]]&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;}}&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-28935:rev-31105:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Melissa.Moghanloo</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=28935&amp;oldid=prev</id>
		<title>Melissa.Moghanloo at 03:04, 6 July 2022</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=28935&amp;oldid=prev"/>
		<updated>2022-07-06T03:04:37Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 13:04, 6 July 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 10:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_Module04#2D_Breaklines | Tutorial module 4, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &amp;lt;u&amp;gt;[[Tutorial_Module04#2D_Breaklines | Tutorial module 4, 2D breaklines]]&amp;lt;/u&amp;gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br /&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|discussion_page=* [[Talk:TUFLOW Message 2044|Discuss Message 2044]]&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|link3=&#039;&#039;&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|link4=&#039;&#039;&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|prelink=[[TUFLOW_Message_2043|Message 2043]]&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|prelink=[[TUFLOW_Message_2043|Message 2043]]&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|uplink=[[2xxx_TUFLOW_Messages|2xxx Messages]]&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|uplink=[[2xxx_TUFLOW_Messages|2xxx Messages]]&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-28636:rev-28935:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Melissa.Moghanloo</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=28636&amp;oldid=prev</id>
		<title>Melissa.Moghanloo at 23:13, 3 July 2022</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=28636&amp;oldid=prev"/>
		<updated>2022-07-03T23:13:35Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 09:13, 4 July 2022&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 5:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must be at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must be at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Tutorial_Module04#1D.2F2D_Links | Tutorial module 4, 1d/2d links]]&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;u&amp;gt;&lt;/ins&gt;[[Tutorial_Module04#1D.2F2D_Links | Tutorial module 4, 1d/2d links]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/u&amp;gt;&lt;/ins&gt;&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to an ISIS node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and ISIS rather than solely to ISIS.  &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to an ISIS node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and ISIS rather than solely to ISIS.  &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: [[Tutorial_Module04#2D_Breaklines | Tutorial module 4, 2D breaklines]].&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: &lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;u&amp;gt;&lt;/ins&gt;[[Tutorial_Module04#2D_Breaklines | Tutorial module 4, 2D breaklines]]&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;/u&amp;gt;&lt;/ins&gt;.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|discussion_page=* [[Talk:TUFLOW Message 2044|Discuss Message 2044]]&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|discussion_page=* [[Talk:TUFLOW Message 2044|Discuss Message 2044]]&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-16588:rev-28636:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Melissa.Moghanloo</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=16588&amp;oldid=prev</id>
		<title>Pavlina Monhartova at 04:24, 27 September 2018</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=16588&amp;oldid=prev"/>
		<updated>2018-09-27T04:24:50Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:24, 27 September 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|alt_msg=WARNING 2044 - 2D HX cell ZC level is below 1D bed level. &amp;lt;br&amp;gt; WARNING 2044 - ZC level of &quot;,a,&quot; at 2D HX cell is below interpolated node bed level of &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|alt_msg=WARNING 2044 - 2D HX cell ZC level is below 1D bed level. &amp;lt;br&amp;gt; WARNING 2044 - ZC level of &quot;,a,&quot; at 2D HX cell is below interpolated node bed level of &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|type=[[ERROR]] &amp;lt;br&amp;gt; [[WARNING]]&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|type=[[ERROR]] &amp;lt;br&amp;gt; [[WARNING]]&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt; be&lt;/ins&gt; at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Tutorial_Module04#1D.2F2D_Links | Tutorial module 4, 1d/2d links]]&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Tutorial_Module04#1D.2F2D_Links | Tutorial module 4, 1d/2d links]]&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-5498:rev-16588:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Pavlina Monhartova</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=5498&amp;oldid=prev</id>
		<title>Steph.dufour at 04:49, 23 September 2014</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=5498&amp;oldid=prev"/>
		<updated>2014-09-23T04:49:30Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 14:49, 23 September 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 6:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Tutorial_Module04#1D.2F2D_Links | Tutorial module 4, 1d/2d links]]&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Tutorial_Module04#1D.2F2D_Links | Tutorial module 4, 1d/2d links]]&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;This error has been known to occur in situations when an Estry node is linked to an ISIS node, that is also linked to 2D HX cells for TUFLOW builds prior to 2012-05-AE. In these cases, the 1d_to_2d check layer showed the HX cells were incorrectly linking to Estry and ISIS rather than solely to ISIS.  &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: [[Tutorial_Module04#2D_Breaklines | Tutorial module 4, 2D breaklines]].&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: [[Tutorial_Module04#2D_Breaklines | Tutorial module 4, 2D breaklines]].&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;ISIS-TUFLOW models linked via the ISIS-TUFLOW-PIPE link should be simulated with build 2012-05-AE or later where the problem with incorrect linking of nodes has been resolved. &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|discussion_page=* [[Talk:TUFLOW Message 2044|Discuss Message 2044]]&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|discussion_page=* [[Talk:TUFLOW Message 2044|Discuss Message 2044]]&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|link3=&#039;&#039;&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|link3=&#039;&#039;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;

&lt;!-- diff cache key mediawiki:diff:1.41:old-5201:rev-5498:wikidiff2=table:1.14.1:bc2a06be --&gt;
&lt;/table&gt;</summary>
		<author><name>Steph.dufour</name></author>
	</entry>
	<entry>
		<id>https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=5201&amp;oldid=prev</id>
		<title>Par at 00:15, 26 March 2014</title>
		<link rel="alternate" type="text/html" href="https://wiki.tuflow.com/w/index.php?title=TUFLOW_Message_2044&amp;diff=5201&amp;oldid=prev"/>
		<updated>2014-03-26T00:15:30Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 10:15, 26 March 2014&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|alt_msg=WARNING 2044 - 2D HX cell ZC level is below 1D bed level. &amp;lt;br&amp;gt; WARNING 2044 - ZC level of &quot;,a,&quot; at 2D HX cell is below interpolated node bed level of &lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|alt_msg=WARNING 2044 - 2D HX cell ZC level is below 1D bed level. &amp;lt;br&amp;gt; WARNING 2044 - ZC level of &quot;,a,&quot; at 2D HX cell is below interpolated node bed level of &lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|type=[[ERROR]] &amp;lt;br&amp;gt; [[WARNING]]&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|type=[[ERROR]] &amp;lt;br&amp;gt; [[WARNING]]&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&lt;/div&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|message_desc=The ground level of the 2D cell (ZC level) is below the 1D bed level.  2D cells selected by 1D/2D (HX) interface lines must at or above the bed level of the 1D channel.  This error usually occurs when the 1D/2D interface line (HX line) passes through a depression that is lower than the bed levels of the 1D cross-sections.&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;&amp;lt;br&amp;gt;&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The linking method when using 2D HX boundaries is described here:&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=????&lt;/div&gt;&lt;/td&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-added&quot;&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Tutorial_Module04#1D.2F2D_Links | Tutorial module 4, 1d/2d links]]&amp;lt;br&amp;gt;&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;For a HX type connection, the water level from the 1D is transferred out to the 2D cells.  If the 2D cells are below the 1D bed level, when the 1D model is dry the water level is set to the invert of the channel.  If this water level (invert) is transferred from the 1D to the 2D, this would result in a flooded 2D cell.  This could potentially allow water to be &quot;created&quot; in the model.&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td colspan=&quot;2&quot; class=&quot;diff-empty diff-side-deleted&quot;&gt;&lt;/td&gt;
  &lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;
  &lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;|suggestions=The 2D cell elevation controls when water can &quot;spill&quot; from the 1D to the 2D.  Thick breaklines should be used to ensure that this elevation is correctly set in the 2D.  This is documented in the tutorial model for 1D/2D linking here: [[Tutorial_Module04#2D_Breaklines | Tutorial module 4, 2D breaklines]].&lt;/div&gt;&lt;/td&gt;
&lt;/tr&gt;
&lt;tr&gt;
  &lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;
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&lt;/table&gt;</summary>
		<author><name>Par</name></author>
	</entry>
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