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XPSWMM Conversion DTM Archive: Difference between revisions

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== XPSWMM DTM Preprocessing ==
If 'Use DTM' was selected, XPSWMM pre-processes its Digital Terrain Model (DTM) into a binary XPTIN elevation dataset for inclusion in the TUFLOW model. XPTIN is a propriety format that can't readily be used in GIS software. For this reason, the following sectionoptions outlinesoutline how to obtain a DTM dataset in a GIS friendly form. <br>
 
:'''Note:''' If 'Use DTM' was selected, followplease continue through the steps below. Otherwise, <u>do not</u> complete these steps; continue to the <u>[[XPSWMM_Conversion_TUFLOW_Structure | Convert XPSWMM Model to Recommended TUFLOW Structure]]</u> section.
 
XPSWMM provides two options for preprocessing the DTM to be used in the TUFLOW model, both options are outlined below. As 'Option 1' is straightforward and 'Option 2' is more involved, 'Option 2' is demonstrated in the video below.
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<li> Tick on 'Use grid file for topography' and select '...' to navigate to the Grid file saved in the '''2D\Data''' folder. This file will be read directly into TUFLOW.
<li> Click 'OK' to save the settings.
<li> If these steps worked as expected, skip 'Option 2' and continue to the next<u>[[XPSWMM_Conversion_TUFLOW_Structure | Convert XPSWMM Model to Recommended TUFLOW Structure]]</u> section. Otherwise, proceed to 'Option 2'.
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