Tute M01 Materials SAGA: Difference between revisions

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<li>Open the aerial photo from the '''Module_Data\Aerial_Photos\SAGA\Aerial_Photo_M01.sgrd'''</li>
 
<li>Copy the '''2d_mat_M01_003_R2d_mat_M01_002_R''' files from the '''Module_Data\Module_01\SAGA\''' directory to '''TUFLOW\Model\Saga\'''. There should be four (4) files, with the extensions dbf, prj, shp and .shx.</li>
 
<li>Load the '''TUFLOW\Model\Saga\2d_mat_M01_003_R2d_mat_M01_002_R.shp''' file.</li>
 
<li>In the ''Data'' tab of the Workspace window, select both the '''Aerial_Photo_M01''' and '''2d_mat_M01_003_R2d_mat_M01_002_R''' items, right click on either of them and select show:</li>
[[File:Tute M01 SAGA 2d mat 1.png|frame|none]]
 
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<li>Each of the regions contains an integer value that defines the land use type. To make this more obvious in SAGA, we can colour using the attribute. To do this
*Select the 2d_mat_M01_003_R2d_mat_M01_002_R shape in the workspace tab
*In the ''Object Properties'' window select the ''Settings'' tab
*In the '''Colors ''' section set the '''Type'' to '''Lookup Table'''
*In the '''Lookup Table''' that appears, select, table and click on the '''...''' at the right of the prompt.
*Select ''Load'' and at the prompt select the following file '''Module_01\SAGA\2d_mat_M01_003_R_colour_table2d_mat_M01_002_R_colour_table.txt'''
*This will bring up a list of attributes and colours. Select ''Okay''.
[[File:Tute M01 SAGA 2d mat Lookup.png|frame|none]]
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|10|| Vegetated Creek|| 0.03
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<li> <u>Alternatively</u>, load the empty (template) file named '''2d_mat_empty_R.shp''' from '''TUFLOW\Model\saga\empty\'''and save this in the '''TUFLOW\model\saga\''' folder as as '''2d_mat_M01_003_R2d_mat_M01_002_R.shp''', add this to a map window with the aerial photo and edit the shape, digitise your own material polygons ensuring to assign a Material ID to each polygon using the land use types in the table above.</li>
 
== Conclusion ==