View source for 1D Pits

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=Introduction=

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=Pit types=
*Introductory blurb explaining the types of pits you can do.
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=Real Life Examples=
Some common pit types are shown below. Note: not all variations of side entry pits, grated pits, gully pits (pots) or any similar structure are displayed, the images are typical examples of what can be modeled as a 1D pit structure within TUFLOW. 
==UK Gully pits==
[[File:Gully_pit.jpg|border|300px]] 
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==Typical Kerbed Entry pits==
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[[File:Side_Entry_pit.jpg|border|300px]]

=Linking=
*Various options on linking to 2D

=Pit Inlet Depth-Discharge database=
*to be filled out

=Pit search radius=
Within the *.ecf the following command is required to have TUFLOW connect floating nodes into the 1D network where connectors are not snapped to channel ends:<br>

<font color="blue"><tt>Pit Search Distance</tt></font> <font color="red"><tt>==</tt></font><tt>xxx</tt><br>
<font color="blue"><tt>Read GIS Network</tt></font> <font color="red"><tt>==</tt></font><tt>..\model\mi\1d_nwke_*****.MIF</tt><br>
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The order of the ''Pit Search Distance'' command is important as it can be repeated multiple times with different values that are assigned to the 1d_nwke(s) below the ''Pit Search Distance'' command. There is an example on the TUFLOW Forum [http://www.tuflow.com/forum/index.php?/topic/1232-pit-search-distance-not-working/ here] that describes the setup of the commands within the .ecf. <br>
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To check if the ''Pit Search Distance'' is working as expected, import the [[Check_Files_1d_nwk_C | *_nwk_C_check]] file to visually see if the pits are automatically connecting to a culvert. The image below is an example of the *_nwk_C_check file and the connections TUFLOW has made to each pit. <br>
[[File:Pit_search_distance_check.JPG|border|500px]]

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Any further questions please email TUFLOW support: [mailto:support@tuflow.com support@tuflow.com]