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= Introduction =
QGIS is used to import the check files and review the topographic modification cutting through the embankment, and the layered2d flow constrictionbridge. <br>
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= Method =
This tutorial introduces:
:*[[Check_Files_2d_bg_uvpt_check | _bg_uvpt_check_P]]
:*[[Check_Files_2d_DEM_Z | _DEM_Z]]
:*[[Check_Files_2d_zsh_zpt | _zsh_zpt_check_P]]
:*[[Check_Files_2d_lfcsh_uvpt | _lfcsh_uvpt_check_P]]
Review the check files:
<ol>
<li>Open the following filesfile from the '''Module_04\TUFLOW\check''' folder:
*'''M04_5m_001_DEM_ZM04_5m_002_bg_uvpt_check_P.tifshp'''
*'''M04_5m_001_zsh_zpt_check_P.shp'''
*'''M04_5m_001_lfcsh_uvpt_check_P.shp'''
<li>Use the 'Apply TUFLOW Styles to Open Layers'.
<li>The lfcsh_uvpt_checkbg_uvpt_check file shows the Zpts where the 2d_lfcsh2d_bg is applied as a thin line. Only the cell sides have the flow constriction applied. The attribute table shows the values specified in the 2d_lfcsh2d_bg and the final elevation of the invert level after applying the Z shape. <br> ▼<li>The DEM_Z grid shows the final elevations used for the model calculations. Change the styling and inspect the area of the embankment is lowered. See <u>[[Tutorial_M02_001_Check_Files_QGIS | Module 2]]</u> for more information on how to review topographic modifications. Note: The DEM_Z appears different to the input DEM as the resolution of the DEM_Z is coarser (2.5m) than the input file (0.5m).<br>
<li>The zsh_zpt_check file displays the elevation points changed by Z shape topographic update and the TUFLOW styling provides an indication of the elevation difference.<br>
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{{Video|name=Animation_M04_Check_01cTutorial M04 002 Check Files QGIS draft_2a.mp4|width=12801350}}<br>
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▲<li>The lfcsh_uvpt_check file shows the Zpts where the 2d_lfcsh is applied as a thin line. Only the cell sides have the flow constriction applied. The attribute table shows the values specified in the 2d_lfcsh and the final elevation of the invert level after applying the Z shape. <br>
<br>
{{Video|name=Animation_M04_Check_02e.mp4|width=1280}}
</ol>
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= Conclusion =
:*The DEM_Z and zsh_zpt_check filebg_uvpt_check was usedviewed to ensureshowing the cutform throughlosses wasand correctlyblockages applied to allowthe flowthin through the embankmentline.
:*The lfcsh_uvpt_check was viewed showing the form losses and blockages applied to the thin line.
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