To Create a Material Boundary in a 2D Elevation

Use this procedure to create a material boundary in a 2D elevation.

1. Draw a polyline around the area in the elevation that you want to mask or to highlight.
2. Select the elevation.
3. Click 2D Section/Elevation tabMaterial Boundary panelAdd.
4. Select the polyline.
5. Enter y (Yes) to erase the polyline, or n (No) to keep the polyline in the drawing.
6. Specify the settings of the material boundary:

   If you want to…	Then…
   highlight the area inside the polyline	select Limit for Purpose.
   mask (erase) the area inside the polyline	select Erase for Purpose.
   apply the highlight or mask only to specific parts of the elevation	select the appropriate parts for Apply to. You can choose Surface Hatch, Edge Linework, and All Linework.
   apply the material boundary to all materials used in the elevation	select All Materials for Material Selection.
   apply the material boundary only to selected materials	select Specific Materials for Material Selection and then select the appropriate materials in the list below.

7. Click OK.