Extract information for Physiography Report

Extract information for Physiography Report

Extract information for Physiography Report

1. Open the application ILWIS 3.3 Academic
2. Open the tab back_ground raster map
3. Add layer by clicking the add layer data> catchment_boundary> OK> OK
4. Click Edit> Edit Layer> 2 seg catchment_boundary
5. Snap and tunnel tolerance to 0 at File> customize ...
6. Draw a line to the tool insert mode in accordance with the lines on the map
7. When there are warning Splite segme ... then select OK
8. After completion will appear lines are interconnected at the border on the map
9. Click File> Polygonize ... > Insert the name of the output with Sub_base> add domain and enter the name of the Sub_base> OK> OK
10. If there is a warning only segments select YES
11. Bring segment (more details to see video)
12. Dead End To check whether or not there is a way> File> Check SEGMENTS> Dead Ends ... > OK> If a warning has shown no dead ends is not there then we proceed to the next step if there is to be checked again
13. File> polygonize ... > Insert the name of the output with Sub_base> insert domain with sub_base that we created earlier> OK
14. Click the area you will be given the name of the> class name> New> insert name and color with a red> OK
15. Fill up all over the place colored
16. Do not forget to always keep the project
17. Right click on the tab Sub_base polygon map> select Polygon to Raster ...
18. Fill GeoReference with Best_GeoRef that we created earlier> Show> OK
19. Right-click the tab Sub_base existing raster map> select Raster Operations> Cross ...
20. 2nd Map: Aspect_Flat_nine> Output table: aspect_Sub_base> Check the list on the Output folder> Output folder: aspect_Sub_base> OK> table will appear on the data aspects of the sub base that we created
21. Perform the operation again cross between sub_base with clip_slope_pct, right click Sub_base> Raster Operations> Cross ...
22. 2nd Map: clip_slope_pct> Output table: Slope_Subbase> Check the list on the Output folder> Output folder: Slope_Subbase> OK> will appear on the data table slope on the sub base that we created


For more details see the following video tutorial

or can be downloaded here

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