https://community.graphisoft.com/t5/Documentation/Underside-of-Ceiling-Level-to-sea-level-label/m-p/277342#M43439 If I place a Level Dimension with Gravity set to slab, it will dimension the top of a slab. If I then select the textblock of the dimension I can change it to several autotext options (and type whatever else I want there), including sealevel.<BR /> <BR /> To dimension the bottom of slab (aka ceiling), I do not think that is possible. Tue, 20 Mar 2018 15:02:41 GMT Erwin Edel 2018-03-20T15:02:41Z https://community.graphisoft.com/t5/Documentation/Underside-of-Ceiling-Level-to-sea-level-label/m-p/277341#M43438 <DIV class="actalk-migrated-content"><T>Anyone know how to label the underside of a slab(ceiling) with a level related to sea level in plan??? I know the elevation label can do it to story 0 or project 0 but I need sea level..</T></DIV> Tue, 23 May 2023 01:06:02 GMT https://community.graphisoft.com/t5/Documentation/Underside-of-Ceiling-Level-to-sea-level-label/m-p/277341#M43438 Anonymous 2023-05-23T01:06:02Z https://community.graphisoft.com/t5/Documentation/Underside-of-Ceiling-Level-to-sea-level-label/m-p/277342#M43439 If I place a Level Dimension with Gravity set to slab, it will dimension the top of a slab. If I then select the textblock of the dimension I can change it to several autotext options (and type whatever else I want there), including sealevel.<BR /> <BR /> To dimension the bottom of slab (aka ceiling), I do not think that is possible. Tue, 20 Mar 2018 15:02:41 GMT https://community.graphisoft.com/t5/Documentation/Underside-of-Ceiling-Level-to-sea-level-label/m-p/277342#M43439 Erwin Edel 2018-03-20T15:02:41Z