Arc Creating Water Level Lines: Difference between revisions

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Created page with "1D domain results can be output in combination with 2D domain(s) by using the 1d_wll GIS layer and the Read GIS WLL .ecf command. 1d_wll GIS layer(s) are used to define and c..."
 
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<ol>
<li> Digitise the 1D channels in the 1d_nwk file (representing the 1D flow path centerline) and a 2D code polygon in the 2d_code file (representing the 1D area that will be deactivated from the 2D domain)
<li> Open ET GeoWizard. Select Miscellaneous >> Create Station Lines <br>[[File:ET_Geo_Wizard_000.PNG|400px]]
<li> Create Water Level Lines of a fixed length and spacing. Select "Both" when asked to specify the side of the polylines. <br>
<li> Select Miscellaneous >> Create Station Lines
[[File:ET_Geo_Wizard_001.PNG|400px]][[File:ET_Geo_Wizard_002.PNG|400px]]
<li> Create Water Level Lines of a fixed length and spacing
<li> Open the 2d_code file containing the region that will be deactivated from the 2D domain. Use ET GeoWizard to split the Water Level Lines using the 2d_code polygon. Select Polyline >> Split Polyline with Layer <br>
[[File:ET_Geo_Wizard_000.PNG|400px]]
[[File:ET_Geo_Wizard_001ET_Geo_Wizard_003.PNG|400px]][[File:ET_Geo_Wizard_004.PNG|400px]]
<li> Use the Selection>>Select By Location to select the water level lines within the code polygon.<br>
[[File:ET_Geo_Wizard_002.PNG|400px]]
[[File:ET_Geo_Wizard_005.PNG|400px200px]][[File:ET_Geo_Wizard_006.PNG|600px]]
[[File:ET_Geo_Wizard_003.PNG|400px]]
<li> Open the attribute table for the Water Level Lines. Select "Switch Selection". Delete the lines outside the code polygon.<br>
[[File:ET_Geo_Wizard_004.PNG|400px]]
[[File:ET_Geo_Wizard_005.PNG|400px]]
[[File:ET_Geo_Wizard_006.PNG|400px]]
[[File:ET_Geo_Wizard_007.PNG|400px]]
<li> Further review of the Water Level Lines is required to ensure there is full coverage within the deactivate code polygon, and that no lines overlap. Manual updates will be required to correct for these.<br>
[[File:ET_Geo_Wizard_008.PNG|400px]]
[[File:ET_Geo_Wizard_009.PNG|400px]]