The Construction Graphics command places 2D geometry in the 3D model to enhance communication between the design
disciplines. Construction graphics include Lines 
, Line strings 
, Arcs 
, Circles 
, and Rectangles 
.
Construction graphics can represent any object that you have not yet placed but that must interact with other designed objects. The graphics can also substitute for edges or centerlines for objects that you cannot place because of permissions. Alternately, construction graphics can serve as guidelines for design procedures that you cannot represent using SmartSketch 3D.
Construction graphics are organized in the system hierarchy. You can place construction graphics in all systems, except for Pipeline systems. You can create a system in the Systems and Specifications task or in the Workspace Explorer. The software automatically names and groups construction graphics underneath the selected system in the Workspace Explorer.
Construction graphics display initially with standard solid lines. However, you can use surface style rules to modify the appearance and color of the lines. See Apply surface style rules.
Construction graphics are not included in view styles and do not display in volume orthographic drawings without the customization of view styles. Additionally, you cannot associate placed objects with construction graphics. For example, you cannot "lock" an object to a construction graphic to move the object and the graphic together.
Checking Interferences does not check construction graphics.
Construction graphics are not physical objects. Therefore, although construction graphics are saved in the model, graphics placed in a previous session are not automatically visible when you next open the session. To view previously placed construction graphics, you must turn on Reference Geometry by selecting Format > Format View. Under Selected Aspects, select Reference Geometry. The software automatically turns on Reference Geometry when you place construction graphics in the current session.
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