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comparing datasets from different grids


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If you are using 3D grids (not UGrids), and the number of rows and columns match, you can create a 2D grid that matches the 3D grid in XY. Then you can use the Grid|3D data -> 2D data command to create a dataset on the 2D grid from the 3D grid. You probably want the "Maximum value in ij column" option. You'll need to do this for each project, then export the 2D dataset from one project and import it into the other. Then you can use the Data Calculator to subtract one dataset from the other, giving you the difference.

Let me know if you need more step-by-step instructions.

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