Data Control

Data Control

Data Control

1. Open the application ILWIS 3.3 Academic
2. Open Hipsometery on tap Raster map
3. Add layer by clicking the Add Data Layer> select topo> OK
4. a check on the Mask and fill in the * 00.0001> replace radio checks with Single color> select color black> OK
5. It will then appear with a black line topology
6. Back to the main window and then click open Aspect_flat_nine
7. Add the data layer by clicking the Add Data Layer> select River_code> OK
8. Add thickness streams by clicking a "1" on the sub Legend> replace Line Width to 0.8, did on another stream line ("2", "3")
9. Double click on Aspect_flat_nine on the left screen
10. replace radio checks on Grey> OK
11. The color of the topology will turn gray and the lines will appear River


For more details see the following video tutorial

or can be downloaded here

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