In mesh you can define a node at a certain point either by creation of a new node, by movement of the node closest to the point or by movement of any node to the point.
To create a mesh passing through a point:
1. From the Modification menu choose the Mesh through point item or click button in the toolbar. The following dialog box shall appear:
2. Enter the coordinates of the point
3. Choose one of several methods: you can either Create a new node at the indicated point or Move the existing node to the point. In the latter case you can check in Automatic search of the closest node or select the necessary node manually. Preview check-box allows to see the results of the operation.
4. Click the Apply or OK button.
See Also a sample TUI Script of a Mesh through point operation.