Template:EWN Features Workflow: Difference between revisions

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!style="text-align:left;"|1. Create a [[SMS:EWN Coverage|EWN Features]] coverage.
!style="text-align:left;"|1. Create a [[SMS:EWN#EWN_Features_Coverage|EWN Features]] coverage.
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!style="text-align:left;"|2. Create polygons in EWN Features the coverage.
!style="text-align:left;"|2. Create polygons in the EWN Features coverage.
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{{SMS Create Polygons}}
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{{SMS Create Polygons Workflow}}
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!style="text-align:left;"|3. Assign polygon attributes.
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:#Using the [[SMS:Map Module Tools|'''Select Feature Polygons''']] [[File:SMS Select Polygon Tool.svg|16 px]] tool, select a polygon then right-click and use the '''Assign EWN Attribute''' command.
:#In the [[SMS:EWN#EWN_Polygon_Properties_Dialog|''EWN Polygon Properties'']] dialog, select the ''Classification'' option and assign the appropriate values for the remainder of the dialog.
:#If desired, preview the feature by using the ''Preview'' tab.
 
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!style="text-align:left;"|4. Run EWN Feature tools.
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:Run the desired EWN tool based on the assigned classification and desired result.
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{{EWN Tools Workflow}}
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|}<noinclude>[[Category:SMS Workflow Templates|EWN]]</noinclude>
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Latest revision as of 21:31, 24 November 2020

1. Create a EWN Features coverage.
Create a new coverage with the "EWN Features" type.
  1. Select Map Data in the Project Explorer and use the New Coverage right-click command.
  2. Use the New Coverage dialog to create a new coverage by selecting the desired coverage type, and naming the coverage.
2. Create polygons in the EWN Features coverage.
1. Create enclosed arcs for polygon area.
1. Create feature arcs, nodes and vertices.
In the Map module, create feature objects in the active coverage.
  1. Use the Create Feature Arc SMS Create Arc Tool.svg tool to create arcs in the map coverage.
  2. Begin creating a new arc by clicking in the Graphics Window at either arc end. If clicking on an existing feature node, vertex or arc, the new arc will snap to that object.
  3. Double-click or press the Enter key to terminate the arc.
  4. Use the Create Feature Node Create Points Tool.svg tool to create additional nodes alone or to split arcs.
2. Modify arcs.
Feature arcs often need to be edited after initial creation.
1. Create additional vertices on arcs.
  1. Use the Create Feature Vertex SMS Create Vertex Tool.svg tool to add vertices along arcs.
2. Refine the arc shape.
  1. Use the Select Feature Vertex SMS Select Vertex Tool.svg tool and the Select Feature Node SMS Select Node Tool.svg tool to move/edit existing arcs and refine the shape by dragging the nodes/vertices.
  2. Use the Select Feature Arc SMS Select Arc Tool.svg tool to move entire arcs .
3. Split arcs.
An existing arc can be split by:
1. Converting a vertex to a node.
  1. Use the Select Feature Vertex SMS Select Vertex Tool.svg tool and right-click on a vertex along an arc.
  2. Select the Convert to Node command to split the arc into two arcs.
2. Add a node the arc.
  1. Use the Create Feature Node Create Points Tool.svg tool to add a node on an arc in order to split it into two arcs.
3. Add a new connecting arc.
  1. Use the Create Feature Arc SMS Create Arc Tool.svg tool to start or end a new arc on an existing arc to split the existing arc into two arcs.
4. Use the Split Arcs Tool.
  1. Right-click on an arc using the Select Feature Arc SMS Select Arc Tool.svg tool and select the Split Arc(s)... command.
  2. Use the Split Arcs Tool to divide arcs.
5. Split overlapping arcs using the Clean Options dialog.
  1. Select overlapping arcs using the Select Feature Arc SMS Select Arc Tool.svg tool.
  2. Use the Feature Objects | Clean command to bring up the Clean Options dialog.
  3. Select the Intersect selected arcs option (for selected arcs) or Intersect arcs option (for all overlapping arcs) to split the arcs.
4. Merge arcs.
Two arcs that share an end node can be merged together.
  1. Select the shared node using the Select Feature Node SMS Select Node Tool.svg tool.
  2. Right-click on the node and select the Convert to Vertex command to merge the arcs.
  3. If desired, the Select Feature Vertex SMS Select Vertex Tool.svg tool can be used to select and delete the new vertex.
5. Smooth arcs.
The variability or roughness of an arc can be reduced.
  1. Right-click on an arc using the Select Feature Arc SMS Select Arc Tool.svg tool and select the Smooth Arc(s)... command.
  2. Use the Smooth Arcs Tool to reduce the variability of the arc.
6. Prune arcs.
Concave sections of the arc can be removed.
  1. Right-click on an arc using the Select Feature Arc SMS Select Arc Tool.svg tool and select the Prune Arc(s)... command.
  2. Use the Prune Arcs dialog to remove concave sections.
7. Extend/trim arcs.
Extend or shorten an arc to match an existing arc's length.
  1. Using the Select Feature Arc SMS Select Arc Tool.svg tool, select two intersecting arcs.
  2. Right-click on an arc using the Select Feature Arc SMS Select Arc Tool.svg tool and select the Extend/Trim Arc... command.
  3. Use the Trim/Extend Arc dialog to select the target arc and source arc.
2. Build polygons.
Polygons are not created automatically when arcs are enclosed. To create polygons:
  1. Use the Feature Objects | Build Polygons command.
3. Assign polygon attributes.
  1. Using the Select Feature Polygons SMS Select Polygon Tool.svg tool, select a polygon then right-click and use the Assign EWN Attribute command.
  2. In the EWN Polygon Properties dialog, select the Classification option and assign the appropriate values for the remainder of the dialog.
  3. If desired, preview the feature by using the Preview tab.
4. Run EWN Feature tools.
Run the desired EWN tool based on the assigned classification and desired result.
1. Use the Generate Elevation Raster tool.
  1. Right-click on the EWN features coverage and select EWN Tools | Generate Elevation Raster.
  2. In the Generate Raster Elevation dialog, define the source geometry and output file.
2. Use the Generate Roughness Dataset tool.
  1. Right-click on the EWN features coverage and select EWN Tools | Generate Roughness Dataset.
  2. In the Generate Roughness Dataset dialog, define the target geometry, initial values, and feature coverages.
3. Use the Insert EWN Features tool.
  1. Right-click on the EWN features coverage and select EWN Tools | Insert EWN Features.
  2. In the Insert EWN Features dialog, define the target geometry, element area change limit, and feature coverages.
4. Use the Insert ADCIRC Levee tool.
Note that this tool requires an ADCIRC Boundary Condition coverage as well as an EWN Features coverage with polygons given the ADCIRC Levee attribute.
  1. Right-click on the EWN features coverage and select EWN Tools | Insert ADCIRC Levee.
  2. In the Insert ADCIRC Levee dialog, define the source geometry, ADCIRC boundary condition coverage, and element area change limit.