7.2 Att File
An att (attribute) file is a record which stores all the physical parameters class of each mesh elements such as soil type, land cover type, several forcing types. It allows efficient data storage.
In the input section of the dialog browse the TIN shape file generated in the section 6.3. Also browse the several forcing raster classification maps for the domain categorized in the three tabs. The class number should be integer starting with 1 for each forcing classification map. The data is extracted on the basis of selection of extraction method opted by the user.
It
is advised to make sure that all the grid coverages span well enough to cover
the decomposed domain or TINs generated. Also, the spatial reference used for
each of the classification map must be the same. Click Run to begin processing. Any error
or processing information is displayed on the text browser at the bottom. After
successful completion of the routine press Close to close the dialog and
proceed to the next step.