Step 3: Define the Input Coordinates
Your borehole database has a defined coordinate system, which you established when you created the new project. Here, you can define the coordinate system in the data being imported, so that RockWorks can convert them to the project coordinate system if necessary.
- Imported Data Coordinate System: Click on this large button to select the coordinate system and units that the imported data represents. For reference, your project coordinate system is shown to the right; this will be the coordinate system that should show as default.
If you do not know what the import coordinates represent, you should select the same units as your project coordinates, and they'll be imported with no changes. Later, should you need to relabel or reproject the data, you can do so.
- Horizontal Coordinate System Settings: Use these settings to detail your selected coordinate system.
- Local: The system origin should equal the project's system origin.
- Longitude/Latitude: no additional settings need to be made.
- State Plane Feet or Meters: Choose the Zone upon which the State Plane coordinates are referenced.
- UTM Feet or Meters: Choose the UTM Datum and Zone. If you project is set up to UTM, that datum and zone will be used.
- Vertical Values Settings: Use these settings to define the units, Feet or Meters, in which the depths and elevations in the Excel spreadsheet are defined. If the units are different than the project's vertical units, displayed to the right, then RockWorks will convert the units during import.
- To continue, click the Next button at the bottom of the import window, or simply click on the Location Fields tab.
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