Show/Hide element free edge
Shows/hides the B-Spline.
A B-Spline is where the node is not shared between 2D elements.
Show/Hide Element coordinate system
Shows/hides the element coordinate system.
Because the element coordinate system is determined by the order and direction of the element, a unified coordinate system is necessary for a consistent load output. The element coordinate system can be modified at Mesh > Element > Parameter > Change CSys
Show/Hide Material coordinate system
Shows/hides the material coordinate system.
The user can also view the material coordinate system by selecting the mesh at Work tree > Mesh and then right mouse click > Display > Material CSys.
Show/Hide Node ID
Shows/hides the node ID.
This function is useful when checking the results at a particular node.
Show/Hide Element ID
Shows/hides the element ID.
This function is useful when checking the results at a particular element.

Query Node/Element
Checks the information of a specified node/element. The user can input the particular node/element number or click the node/element on the screen. The information is displayed in the output window.
Active Element
Shows/hides desired meshes that make up the total model.
This function if effective when working with large complex models because it shows partial models.
Selecting [All] shows all elements and the [Previous] button undoes the enabling/disabling of the element.
Active All Elements
Returns to the original state (view all elements) after Activating partial elements.
Measure distance
Measure the distance or angle between two points.
This function plays the same role as Geometry > Tools > Measure.
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