SAGA GIS has a function to set the grid file's coordinate reference system; the workflow is shown below.
- Select Modules | Projection | Set Coordinate Reference System.
The Set Coordinate Reference System dialog box appears. - Select the Dialog field. Click the [...] button.
The Dialog appears. - In the Projection Type field, choose an appropriate projection e.g. Universal Transverse Mercator (UTM).
- Click the Projection Settings field. Then click the [...] button.
The Universal Transverse Mercator dialog box appears. - In the Zone field, type in a value e.g. 32. Toggle on South if necessary. Click Okay.
- If necessary, define any other settings appropriate for the coordinate reference system. Click Okay.
- Click the Data Objects Grids field. Click the [...] button.
The Grids dialog box appears. - Select one or more grid layers on the left e.g. 01. ground. Click the > button. Click Okay.
- Click Okay.
The defined coordinate reference system is assigned to the selected grid layer(s). - Selecting the grid layer and displaying the description shows that the grid layer has been assigned the new projection parameters.
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