Insert Line Graphically

Inserts a line defining a boundary of the transport domain (geometry) graphically using the mouse.

Lines and Polylines are the most commonly used objects for describing the boundaries of a two-dimensional domain and its internal curves. Similarly as for Points, Lines and Polylines can be entered either graphically using the cursor (most common) or using the New Line dialog window (identical to the General Tab of the Edit Line dialog). When entering a new line graphically, users can select the command Insert->Domain Geometry->Line->Graphically from the menu, or Line - Abscissa or Line - Polyline from the Insert Object part of the Domain Geometry version of the Tool Bar at the right side of the View Window, and then enter the lines using the cursor.

Once a command for defining a new line (a single abscissa) is selected, a cursor in the View Window will become a cross with a small empty circle in the middle. The coordinates of the location of the cursor will be displayed next to the cursor and on the Edit Bar, which will automatically change to the one displayed below. The Edit Bar will also show, which point and curve (their numbers) are being defined and what reference coordinate system (the current coordinate system, the grid origin, or the last inserted point) is used. Once a single line is specified, one can immediately continue in specifying the second one, while the last point of the first line will be the beginning point of the second line. The process of defining new lines is ended by pressing the Esc keyboard button, the right mouse button (see the Help part of the Edit Bar), or clicking the Stop button on the Edit Bar.

See also Common Information for Graphical Input of Objects.