Option

Description

Columns

Surf

Displays the actual surface numbers.

Ord.

Displays the surface shade ordering, from first to be drawn shaded to last.

Name

Enter the name to be used for this surface.

Pen

Select the pen in which points, including names and heights, on this surface should be displayed. Right-click the relevant cell to access the standard pen selection options.

Vis.

Toggles the visibility of this surface. Right-click the relevant cell to toggle between Yes and No. DTM points that are not visible cannot be selected in those functions which act on individual points.

Act.

Toggles the active status of this surface. Right-click the relevant cell to toggle between Yes and No. DTM Points on inactive surfaces will not be used by any functions that alter groups of points.

Lin.

Toggles the line display status of this surface. Right-click the cell to toggle between Yes and No.

Shd.

Toggles the surface shading on/off.

Set all surfaces...

Active button

Click to set the Active status for all surfaces to Yes. This has the intended side effect of also setting the Visible status to Yes.

Inactive button

Click to set the Active status for all surfaces to No.

Visible button

Click to set the Visible status for all surfaces to Yes.

Hidden button

Click to set the Visible status for all surfaces to No. This has the intended side effect of also setting the Active status to No.

Lines on button

Click to set the Lines Display status to Yes.

Lines off button

Click to set the Lines Display status to No.

Shade

Click to set the Shade status for all surfaces to Yes.

UnShade

Click to set the Shade status for all surfaces to No.

Shade transparently

Select this checkbox to shade the surfaces using a transparent fill rather than a solid fill.