https://forums.autodesk.com/t5/revit-api-forum/family-document-category-visibility/m-p/5771411#M71004 <P>Is it possible to switch off the category visibility programmatically of walls, ceilings, floors etc. in a 3d view that has newly been created for export?</P><P>How is it invoked in a revit proj document, maybe it is a similar method in the revit api?</P><P>&nbsp;</P> Fri, 14 Aug 2015 12:50:15 GMT Anonymous 2015-08-14T12:50:15Z https://forums.autodesk.com/t5/revit-api-forum/family-document-category-visibility/m-p/5771411#M71004 <P>Is it possible to switch off the category visibility programmatically of walls, ceilings, floors etc. in a 3d view that has newly been created for export?</P><P>How is it invoked in a revit proj document, maybe it is a similar method in the revit api?</P><P>&nbsp;</P> Fri, 14 Aug 2015 12:50:15 GMT https://forums.autodesk.com/t5/revit-api-forum/family-document-category-visibility/m-p/5771411#M71004 Anonymous 2015-08-14T12:50:15Z https://forums.autodesk.com/t5/revit-api-forum/family-document-category-visibility/m-p/5772896#M71005 I have managed to work this one out myself however, I have had no success with connector elements and the "other" category or extrusion surface as well as turning on anti-aliasing. Sat, 15 Aug 2015 23:36:24 GMT https://forums.autodesk.com/t5/revit-api-forum/family-document-category-visibility/m-p/5772896#M71005 Anonymous 2015-08-15T23:36:24Z