![]() ![]() ![]() Then edit the polygon by adding and adjusting the vertices. One polygon drawing technique is to “rough in” the area with a few vertices. Under the Extent Boundary section, set the Line Size to 3 and change the Extent Cells Line Color to Red. ![]() You can edit the display properties of the 2D domain and 2D Grids by right-clicking the 2D Grid layer and accessing the Properties option.When the polygon is completed, a rectangular grid will be displayed. Draw a polygon that defines the extent of the 2D domain by clicking and dragging the mouse.A drawing polygon will appear next to the cursor. With the name highlighted, select the Polygon tool from the object creation toolbar.Check the visible box and make sure the layer is not locked. In the Layer Control Panel, select the Grid Extents layer.A 2D model can include multiple Grid Extents (Domains). The 2D domain(s) should not extend beyond the area covered by the DTM (1D domain or network can extend even beyond DTM). ![]()
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