MODIFY LOAD CURVE
This function allows the user to modify the data points of a selected load curve.
After selecting a curve in the SELECT CURVE dialog window, the SELECT OPTION dialog window, Figure 11.11.6, is displayed.
Figure 11.11.6 The Modify Curve Dialog Window
ADD POINT (MOUSE PICK)
Allows the user to select any location from the graph. The selected point will be included in the curve.
ADD POINT (KEY IN X, Y)
Allows the user to add curve data points by keying in the X and Y values.
DELETE POINT
Deletes selected data points automatically.
MODIFY POINT
There are several options to modify data points as shown in Figure 11.11.7.
Figure 11.11.7 Modify Point Options
. INCREMENTAL XY
Enter the X, Y increments, and select OK in the next dialog window. Select point(s) to move in the curve window.
. KEY IN XY
Select a point in the curve window. The X, Y values will be shown in the next dialog window. Change the X, Y values, and select OK. The points on the curve will be moved to the new coordinates. Repeat to modify another point.
. NEGATE
Select point(s). The selected point(s) will be flipped about the X-axis.
. SCALE
Enter the scale factors, and select OK in the next dialog box. Select point(s). The selected point(s) will move to the scaled coordinates.
. UNDO LAST CHANGE
Reject the last modification.
REDRAW CURVE
This function redraws the modified curve in the display area.