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You are here: Working in the Map window > Select and Edit Map Objects > Horizon/Grid Polygon Editing > Edit an Existing Grid

Existing Grid

Create a Map Drawing Polygon or open an existing polygon file.
To edit an existing grid, right-click to open the Map Drawing menu.
Select Delete/ Edit Object with Polygon| Grid to open the Edit Grid with Polygon dialog box. View image

In the Input Data section, select an input grid to edit from the pull down list.
Specify which data points to drop from the resulting grid.

Delete Picks Inside Polygon will retain all data outside the polygon and replace data inside with NO Pick.

Delete Picks Outside polygon will retain all data inside the polygon and replace data outside with NO Pick.

In the Output Data section, enter a unique name for the output grid to create a grid in the database. Enter the same name as the input grid to overwrite the existing grid.
Click <OK>.
Go to Post Gridded Data to display your new grid.

What do you want to do?

Map Drawing Menu -Overview