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Select 2D Lines

Select the 2D lines to include in the horizon math calculations by selecting one of three options from the Select Lines drop-down menu:

• All (x) lines selected – includes all 2D lines in your horizon math calculations. This is the default.
• Select some lines – keeps track of the number of lines included in the horizon math calculations. Highlight the 2D lines you wish to include.
• No line selected – excludes all 2D lines from your horizon math calculations.