This option is used to calculate and display the height (z-value) of the Tin at a cursor location.
Continue down the page to see the Tin Height Inquire Panel options.
To view the Tin Height Inquire Panel, Use: Tins => Inquire => Height
Pick the <Tin> button and select the tin required.
Move the mouse around the selected tin and see the panel display the height of the tin at the cursor location. The panel will also display the X and Y coordinates for the cursor position.
As shown below the panel will update as the cursor location changes.