SMS:Raster Data Workflow: Difference between revisions

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To import [[SMS:GIS Module|GIS]] in to SMS, use the following steps:
To use raster data in to SMS, use the following steps:
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!width="800" style="text-align:left;"|1. SMS project setup.
!style="text-align:left;"|1. Import raster images.
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{{SMS Project Setup Workflow}}
{{SMS Import Raster Workflow}}
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!width="800" style="text-align:left;"|2. Import data.
!style="text-align:left;"|2. Add images properties.
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:#Load shapefiles.
<blockquote>
:#Load additional data, such MIF/MID files.
{{SMS Image Properties Workflow}}
:#Load GIS Layers.
</blockquote>
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{|class="mw-collapsible mw-collapsed" style="width:100%; border:1px solid #D0E0FF; margin-bottom:0.4em;"
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!style="text-align:left;"|3. Adjust raster data.
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<blockquote>
{{SMS Adjust Images Workflow}}
</blockquote>
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!width="800" style="text-align:left;"|3. Add properties.
! style="text-align:left;"|4. Convert or interpolate raster data.
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:#Join table data properties.
<blockquote>
:#Set projections.
{{SMS Convert-Interpolate Images Workflow}}
:#Define mapping properties.
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!width="800" style="text-align:left;"|4. Convert data.
!style="text-align:left"|5. Use raster to calculate flood depths.
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:#Covert shapefiles to feature objects.
:This requires an elevations raster and a water surface elevation dataset.
:#Right-click on the raster to be used for the flood depths and use the command [[GIS Conversion and Editing#Flood_Depths|''Convert to''|'''Flood Depths''']].
:#Next to ''Geometry'', select the desired geometry.
:#Next to ''WSE dataset'', selet the desired dataset.
:#After the tool has finished processing, change the File name as desired in the ''Save As'' dialog.
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==Related Workflows==
* [[SMS:GIS Data Workflow|GIS Data Workflow]]


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{{Navbox SMS}}
{{Navbox SMS}}


[[Category:SMS Workflows]]
[[Category:SMS Workflows]]
[[Category:Dataset Workflows|Raster]]
[[Category:General Workflows]]

Latest revision as of 20:30, 28 February 2022

To use raster data in to SMS, use the following steps:

1. Import raster images.
Raster data is imported into the GIS module in SMS.
  1. Use the Open command to import raster data files such as DEMs, KMZ files, and gridded elevation formats.
  2. Files can also be imported with the "drag and drop" option.
2. Add images properties.
1. Register images.
  1. Right-click on the image object in the Project Explorer and select the Register Image command.
  2. Use the Register Image dialog to set image geo-referencing.
2. Set projections.
  1. Right-click on an object in the Project Explorer and select the Projection command.
  2. Set the horizontal and vertical projection using the Object Projection dialog.
  3. To set a global projection, use the Horizontal Projection dialog.
3. Adjust raster data.
1. Adjust image transparency.
  1. Right-click on the image object in the Project Explorer and select the Transparency command.
  2. Using the Layer Transparency dialog, set the transparency for the image.
2. Smooth a raster image.
  1. Right-click on the image object in the Project Explorer and select the Convert To | Smoothed Raster command.
  2. Use the Raster Smoothing Options dialog to specify how the raster image data values should be smoothed.
  3. Save the new smoothed raster file.
3. Trim the image.
  1. Select a coverage (or create a new coverage) in the Map module.
  2. Select the Create Feature Arc SMS Create Arc Tool.svg tool and draw a closed set of arcs.
  3. While the arcs are selected, go to Feature Objects | Build Polygons.
  4. Use the Select Polygon SMS Select Polygon Tool.svg tool to select the polygon just created.
  5. Right-click a image in the GIS data and select Convert To | Trimmed Raster.
  6. Save a file with the trimmed data.
4. Resample a raster image.
  1. Right-click on the image object in the Project Explorer and select the Convert To | Resampled Raster command.
  2. Use the Resample and Export Raster dialog to specify how to resample the image data values.
  3. Save the new resampled raster file.
5. Merge mulitple images.
  1. Select two or more image items in the Project Explorer by holding down the Shift key while selecting each item.
  2. Right-click on one of the selected objects and select Convert To | Merged Raster.
  3. Save a file with the merged data.
4. Convert or interpolate raster data.
1. Convert image data.
1. Convert raster data to feature contours.
  1. Right-click on the raster image and select the Convert To | Feature Contours command to create a new map coverage with elevation contours.
2. Convert raster data to feature contours at a specified elevation.
  1. Right-click on the raster image and select the Convert To | Feature Contours at Given Elevation command.
  2. In the Create Contour Arc dialog, specify an elevation and click OK to generate a map coverage with contours created along the specified elevation.
3. Convert raster data to scatter set.
  1. Right-click on the raster image and select the Convert To | 2D Scatter command.
  2. In the Raster → Scatter dialog, give the scatter set a name and click OK to generate the scatter set.
4. Convert image data to 2D grid.
  1. Right-click on the raster image and select the Convert To | 2D Grid command.
5. Convert raster data to flood depth raster.
A water surface elevation dataset must be available in the project for this process to function.
  1. Right-click on the raster image and select the Convert To | Flood Depths command.
  2. In the Select Geometry and Dataset dialog, select the geometry containing the water surface elevation dataset and then select the water surface elevation dataset.
  3. Save the new raster with the inundated depth data.
2. Interpolate image data.
1. Interpolate raster data to active coverage.
  1. Select and make active the map coverage where the raster data is to be interpolated.
  2. Right-click on the raster image and select the Interpolate | Active Coverage command.
2. Interpolate raster data to 2D Mesh.
  1. Select and make active the mesh where the raster data is to be interpolated.
  2. Right-click on the raster image and select the Interpolate | 2D Mesh command.
3. Interpolate raster data to scatter set.
  1. Select and make active the scatter set where the raster data is to be interpolated.
  2. Right-click on the raster image and select the Interpolate | 2D Scatter command.
4. Interpolate image data to 2D grid.
  1. Select and make active the 2D grid where the raster data is to be interpolated.
  2. Right-click on the raster image and select the Interpolate To | 2D Grid command.
5. Use raster to calculate flood depths.
This requires an elevations raster and a water surface elevation dataset.
  1. Right-click on the raster to be used for the flood depths and use the command Convert to|Flood Depths.
  2. Next to Geometry, select the desired geometry.
  3. Next to WSE dataset, selet the desired dataset.
  4. After the tool has finished processing, change the File name as desired in the Save As dialog.

Related Workflows