Learn more about Model-Based Calibration

Setting Variable Ranges

The Surface Viewer does not work over continuous ranges, only at discrete points. You must specify, for the model or feature, the discrete points you want to include in the display. You can display models or features over a range of points. To edit the displayed values of a variable, double-click in the value box for the appropriate variable.

• Variables not being used for the axes plotted have a single value for that plot; to edit the displayed value for these variables you can type directly into the edit box after double-clicking.

• For variables specified by the axes drop-down menus, the value box displays the range over which that variable is plotted and the number of points plotted across that range. To edit both the range and the number of points, double-click the value box. The Value Editor opens.

  

Here you can indicate the points to include in the display. You can specify

• The minimum and maximum values and the number of points across that range by choosing Uniform Vector and typing in the edit boxes Min, Max, and Number of points.

• Each discrete point at which you want to evaluate the model (or feature), by choosing Freeform vector, and then typing the required values.

  For example, if you want to display the variable x at 0, 1, 7, 30, and 50, enter the following in the Freeform vector edit box, separated by tabs or spaces:

  0 1 7 30 50
  

Click OK to apply your changes to the plot.

When you alter the variables, you can select whether you want the display to update automatically or not. You can toggle the automatic update on and off by selecting Tools > Auto-Evaluate. When you want to update the display, select Tools > Evaluate Now . Both of these options have equivalent toolbar buttons:

Displaying Point-by-Point Models in the Surface Viewer

When you are displaying a point-by-point model, you can select the operating point to display. When you are using point-by-point models, these are the points of interest you want to display.

To select the operating point to display in the Surface Viewer,

1. Select Tools > Select Operating Point (or the equivalent toolbar button). The Model Operating Points dialog box opens.

   

2. Select the operating point you want to display and click OK.

Surface Viewer snaps the display automatically to the selected point-by-point model operating point. When you select an operating point, Surface Viewer uses the model ranges for that operating point to set the local inputs (ranges and midpoints as applicable).

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Viewing a Model or Strategy

Displaying the Model or Feature

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