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.
- Current Project Settings: For your reference the current project coordinate system and units are shown at the top of the window. You cannot edit these here.
- Borehole Data, Horizontal (XY) Coordinates and Units: Here you need to specify the coordinate system and units that the imported data represents. If the imported data is the same as the project, no conversion will occur. If the imported coordinates are different, they will be converted during import to the project system.
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.
- Lon/Lat: Choose this if the imported data are recorded in decimal longitude and latitude degrees. No additional settings need to be made.
- Local: Choose Feet or Meters for the local units of the imported data. The system origin should equal the project's system origin.
- SPC: Choose this if the imported data are recorded in State Plane coordinates. Select the Zone upon which the State Plane coordinates are referenced and define the units (feet or meters).
- UTM: Choose this if the imported data are recorded in UTM coordinates (WGS 84). Choose the UTM Datum and Zone. Select feet or meters as the coordinate units.
- Other: Choose this if the imported data are recorded in another coordinate system not listed here. (More info)
- Vertical (Z) Units: 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 at the top of the window, 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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