File operations

All file operations are supported by a File Selector dialog box to select a file name. The submenu File offers the following file operations:

• Open File...
  Opens the File Selector dialog box to select a file name. A new graph specification is read from the file selected, a layout calculated, followed by the graph being displayed.

• Reopen File (g)
  This operation causes the file containing the current graph specification to be read again, the layout recalculated and the graph displayed again. It can also be invoked by pressing the 'g' key. Note: This operation does not work if the current graph specification is read from <stdin>.

• VCG1.0 Save...
  Opens the File Selector dialog box to select a file name. The graph currently displayed is then written to the file selected along with some calculated layout parameters. Note: This is a legacy feature providing compatibility to VCG v.1.0. It may not work for graph specifications that contain any newer GDL features.

As opposed to the Windows version, there is no direct interface for printing graphs. However, graphs or parts of graphs can be exported to files in several formats for which many printer drivers are available. Exporting is done via the Export dialog box.

• Print/Export Part...
  A rectangular rubberband is used to select part of the graph currently shown in the display window. To facilitate selecting the part to be exported it is useful to scale the graph down to a size so that this part is entirely visible. (This will not influence the scaling factor for the export. This factor can only be changed in the Export dialog box.) Selecting is done like this:

1. Press the left mouse button and hold it down: The rubberband appears.
2. Drag it over the area of the graph to be exported followed by releasing the mouse button. The Export dialog box pops up.

Note: It is not possible to export parts of a graph if splines have been used for drawing the edges.

• Print/Export Graph...
  Opens the Export dialog box.

Last modified on 25 June 2003 by webmaster. © 2000-2003 AbsInt.
URL: http://www.aisee.com/manual/unix/17.htm

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