User:Jcreer/SMS:GSSHA Mapping Tables

Example of the GSSHA Mapping Tables dialog

Mapping Table Type

Selecting these allows you to import datafiles for the appropriate category. All data can be edited or added manually using to tools below the table window.

• ROUGHNESS – When this is selected, you can import a Shapefile/Raster file containing the description of the various types of land and the value of the Surface Roughness. Integers can also be added manually or copied and pasted.

• ROUGH_EXP – If turned on in Model Control, allows entry or file import of values specifying the roughness exponent.

• INTERCEPTION – If turned on in Model Control, allows entry or importing of values for the Storage Capacity (STOR_CAPY) and Interception Coefficient (INTER_COEF).

• RETENTION – If turned on in Model Control, allows entry or importing of values for the Retention depth (RETENTION_DEPTH).

• GREEN_AMPT_INFILTRATION – If turned on in Model Control, allows entry or importing of values for variables used to calculate this infiltration.

• RICHARDS_EQN_INFILTRATION_BROOKS – If turned on in Model Control, allows entry or importing of values used to calculate using the Brooks method in the C option.

• RICHARDS_EQN_ENFILTRATION_HAVERCAMP – If turned on in Model Control, allows entry or importing of values used to calculate using the Havercamp method in the C option.

• GREEN_AMPT_INITIAL_SOIL_MOISTURE – If turned on in Model Control, allows entry or importing of values for

• AREA_REDUCTION –

Mapping Table Values

• Index map: – Found to the right of the Mapping Table Types list and above the table box. Clicking Select brings up the dataset to map the data to.

• From Shapefile/Raster... – Found below the table box. Clicking on this brings up an import dialog. If data already exists in this area, users may have to click "yes" to delete current information. A row MUST be added to the table before a file can be imported.

• Add row/Delete row/Move row up or Down – Add image here??

• Generate IDs –

• Model Control – For options not already turned on or to make adjustments in Model Control, clicking here will open the Model Control dialog box. An orange warning should appear to alert users if the option is not already turned on.