Tutorial M01 Boundary Conditions QGIS: Difference between revisions
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Created page with "= Introduction = QGIS is used to create the boundary condition layers. Three different types of boundaries are introduced: <br> :*2d_bc: flow vs time - used as external upstr..." |
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<ol>
<li>Zoom into the creek at the south-western edge of the code polygon.
<li>Right click the
<li>Select 'Add Line Feature'.
<li>Create a line joining the four vertices as shown below. With the snapping option on, the cursor snaps to the existing vertices on the
<li>When selecting the final vertex, use the right mouse button to terminate the line, an attributes dialog appears. In the attributes, specify the boundary as flow vs time (QT) boundary with the name 'FC01'.
:*Type = QT
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<ol>
<li>Zoom into the creek at the north edge of the code polygon.
<li>Add another line in the
<li>In the attributes, specify head vs flow (HQ), stage-discharge boundary, and water surface slope via the 'b' attribute of '0.01'.
:*Type = HQ
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