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After opening Grid+1.0, left-mouse-click (LMC) on the Import from a file button in the main toolbar and select Import Overlay in the drop-down menu.
Figure 1. Importing overlay file
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After opening Grid+1.0, left-mouse-click (LMC) on the Import from a file button in the main toolbar and select Import Overlay in the drop-down menu.
Figure 1. Importing overlay file
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