Expand1. Interpolate to a 2D grid. Select the Interplation | Interpolate→2D Grid menu command. Set the dataset name and review interpolation options in the Interpolate→Object dialog. Expand2. Interpolate to a 2D UGrid. Select the target 2D UGrid in the Project Explorer to make it active. Select the Interplation | Interpolate→UGrid menu command. Set the dataset name and review interpolation options in the Interpolate→Object dialog. Expand3. Interpolate to a 2D mesh. Select the Interplation | Interpolate→2D Mesh menu command. Set the dataset name and review interpolation options in the Interpolate→Object dialog. Expand4. Interpolate to a TIN. Select the target TIN in the Project Explorer to make it active. Select the Interplation | Interpolate→Active TIN menu command. Set the dataset name and review interpolation options in the Interpolate→Object dialog.