WMS:Project Explorer Contents for Drainage Module: Difference between revisions

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The Drainage Module is used for computing watershed drainage attributes and for delineating watersheds and their sub-basins on TINs and DEMs.  When WMS computes watershed drainage attributes or determines flow directions, the active TIN or DEM is used.  If you select a TIN or a DEM, the Terrain Data Module is set as the active module.  To perform drainage computations on a TIN or a DEM, change the active module to the Drainage Module by selecting the Drainage Module.   
The Drainage Module is used for computing watershed drainage attributes and for delineating watersheds and their sub-basins on TINs and DEMs.  When WMS computes watershed drainage attributes or determines flow directions, the active TIN or DEM is used.  If you select a TIN or a DEM, the Terrain Data Module is set as the active module.  To perform drainage computations on a TIN or a DEM, change the active module to the Drainage Module by selecting the Drainage Module.   


In the Project Explorer, the Drainage Module has the same menus and commands as the Terrain Data module.Right-clicking on the main Terrain Data folder allows you to create a '''New folder''' or '''TIN'''. Because TINs can be created by digitizing in WMS you can create a new, blank TIN. However, DEMs are only created by opening a DEM file type. If neither a TIN nor a DEM exists, then you can also perform a '''Coordinate Conversion''' on any existing terrain data.  There is also an option to open a digital elevation file.  Opening a digital elevation file using this option will open an elevation grid as a WMS DEM. Right-clicking on a TIN allows you to select any of the TIN processing or visualization options in WMS.
In the Project Explorer, the Drainage Module has the same menus and commands as the Terrain Data module.  
 
Right-clicking on the main Drainage Module folder allows you to create a '''New folder''' or '''TIN'''. Because TINs can be created by digitizing in WMS you can create a new, blank TIN. However, DEMs are only created by opening a DEM file type.  There is also an option to open a digital elevation file.  Opening a digital elevation file using this option will open an elevation grid as a WMS DEM. Right-clicking on a TIN allows you to select any of the TIN processing or visualization options in WMS.


A TIN by default has a single elevation dataset, but additional datasets can be created, such as flood depth and water surface elevation datasets when delineating a flood plain. For more information on datasets see [[WMS:Datasets|Datasets]].
A TIN by default has a single elevation dataset, but additional datasets can be created, such as flood depth and water surface elevation datasets when delineating a flood plain. For more information on datasets see [[WMS:Datasets|Datasets]].

Revision as of 15:42, 20 March 2013

The Drainage Module is used for computing watershed drainage attributes and for delineating watersheds and their sub-basins on TINs and DEMs. When WMS computes watershed drainage attributes or determines flow directions, the active TIN or DEM is used. If you select a TIN or a DEM, the Terrain Data Module is set as the active module. To perform drainage computations on a TIN or a DEM, change the active module to the Drainage Module by selecting the Drainage Module.

In the Project Explorer, the Drainage Module has the same menus and commands as the Terrain Data module.

Right-clicking on the main Drainage Module folder allows you to create a New folder or TIN. Because TINs can be created by digitizing in WMS you can create a new, blank TIN. However, DEMs are only created by opening a DEM file type. There is also an option to open a digital elevation file. Opening a digital elevation file using this option will open an elevation grid as a WMS DEM. Right-clicking on a TIN allows you to select any of the TIN processing or visualization options in WMS.

A TIN by default has a single elevation dataset, but additional datasets can be created, such as flood depth and water surface elevation datasets when delineating a flood plain. For more information on datasets see Datasets.

Right clicking on a dataset of a TIN allows you to Delete, Export, Rename, view Properties, View values, set the dataset as elevations, or set the dataset contour options.

Right clicking on a DEM allows you to select any of the DEM processing or visualization options in WMS. All DEMs are created by either reading a file or converting from another data object, such as a TIN or from raster GIS data. If multiple DEMs exist, these DEMs can be selected and merged together into a single DEM. There is only one active DEM. This active DEM is used for watershed delineation and for all other processes that require elevation data in WMS.

Refer to the Terrain Data Module information page for more information about managing TINs and DEMs and their attributes in WMS.

Related Topics


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