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        1. MEGS_Log version 3.3 Help

          1. Copyright notice and licence agreement

          2. How to contact MEGS_Log support

          3. What's new in MEGS_Log 3.3

          4. Concepts in MEGS_Log

          5. How to carry out common tasks within MEGS_Log

            1. How to open borehole files

            2. How to edit boreholes

              1. How to move a boundary

              2. How to insert a new boundary

              3. How to insert a new unit

              4. How to append a unit

              5. How to delete a unit

              6. How to merge a unit

              7. How to change the rocktype of a unit

              8. How to change the sample number of a unit

              9. How to change the seam or ply of a unit

              10. How to display unit properties

            3. How to select units

            4. How to view geophysical traces

            5. How to change the appearance of geophysical traces

            6. How to print boreholes and traces

            7. How to customise MEGS_Log

            8. How to update your MEGS_Log licence or support

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          8. List of appendices

          9. MEGS_Log version 3.3 Help Index

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How to change the seam or ply of a unit

The process of assigning a seam and/or seam and ply name to a unit within MEGS_Log is called correlating.

Before correlating a hole at least one set of valid seam and ply combinations needs to have been specified in the config file, and the particular set that you want to use for correlating the current hole should have been specified using the Project Tab in the Options dialog box, via the Site setting.

If you have not specified a site prior to commencing correlation, then MEGS_Log will prompt you for the site to use.

In Normal Mode

  1. Right click on the area of the unit that you want to change and select Correlate.
  2. Use the Correlate dialog box to specify the new seam and/or ply.

Using Edit Modes

  1. Check to see whether seam and plies are currently being displayed, by looking for no check mark next to the Sample Numbers command on the View menu, or by the sample number toolbar icon Show Sample Numbers toolbar icon not being depressed. If not, then deselect the menu item or click the toolbar icon.
  2. Enter Correlate Mode (press F8, or select Correlate on the Tools menu, or click the Correlate Mode toolbar icon (Correlate toolbar icon)
  3. Use the Correlate dialog box to specify the new seam and ply.