View Iso Value With Transparent Boundary Geometry as "X-Ray" Viewing The Iso panel allows you to use the settings from the previously applied results in the Contour panel. From the Iso panel, click Use Contour Settings. The settings from the Contour panel are copied to this panel. Click Apply. The model is displayed in iso value mode. Use the slider bar to display the value of interest. Click in the graphics area and press "T" on the keyboard to turn on the Transparent Boundary Geometry option. Press "L" on the keyboard to display boundary geometry feature lines. Use the slider bar to optimize the visualization of critical areas.