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- Edit Cell Properties: This function is only enabled for surface values layer initial condition ie time = 0. Clicking the
button on the timing frame when the model has output to return to the IC. To make changes, click on pencil icon on the layer in Layer Control (e.g Bottom Elevation layer) then select Edit Cell Properties from main menu or menu toolbar. Then LMC on a grid cell while cause the Properties form to display. There are two columns in the form, Parameter and Value columns. The user can now modify value of the bottom elevation and click click the Apply button to finish. (see Figure 3)
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To modify values for multiple cells is similar to the approach for one cell, with the main dfference difference being that the user should select multiple cells before selecting the Modify Selected Values feature. There are several options to select multiple cells. These are described in Grid Cell Selection from the main menu of 2DH View or from 
icon in toolbar. An example for modifying values of multiple cells is shown in Figure 5.
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