In the Plot Style Table Editor, Form View tab, select a plot style to change.
In the Screening box, enter an intensity value between 1 and 100.
Click Save & Close.
Click Output tabPlot panelPage Setup Manager.
In the Page Setup dialog box, Plot Device tab, select the edited plot style table from the Plot Style Table (Pen Assignments) list.
Double-click within the layout viewport that contains the objects whose screening you want to change.
Select the objects whose plot style you want to change.
Right-click in the drawing area and click Properties.
In the Properties palette, use one of the following methods:
If you are using named plot style tables, next to Plot Style, select the plot style you edited in the Plot Style Table Editor. If that plot style is not listed, select Other and set Active Plot Style Table to the plot style you edited in the Plot Style Table Editor. Select the edited plot style from the Plot Styles list in the Select Plot Style dialog box.
If you are using color-dependent plot style tables, next to Color, select the color whose plot style you edited in the Plot Style Table Editor.