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graphdraw - Online in the Cloud

Run graphdraw in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command graphdraw that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator



graphdraw - directed graph editor derived from drawtool


graphdraw ['X-params'] [file]


graphdraw implements a graph (node/edge) editor. graphdraw adds two new graphical objects
to idraw/drawtool: an elliptical shaped node and a directed edge represented as an arrow
line. Two new tools to create these objects are provided at the bottom of the toolbar.
The Node tool (selectable by the 'N' key) takes a single mouse click and creates a new
graph node at the click location. The Edge tool (selectable by the 'E' key) lets you drag
a line to create a new graph edge. If an edge is drawn from or to an existing node, it
will connect itself to the node(s) and maintain that connectivity during any later
movement of nodes or edges. The Move tool will move edges or nodes, rubberbanding the
rest of the graph, and redrawing any connected edges to maintain graph connectivity and
edge alignment.

Nodes contain a (initially empty) text string which can be edited by applying the Alter
tool to a node. A single click on a node while on the Alter tool will create a text
cursor, possibly within an existing text string, and allow editing of the text via the
usual Emacs editing commands. A click outside the text terminates editing and causes the
new text to be centered within the node.

For Node and Edge objects, the Selection highlight mechanism has also been changed from
the usual drawing of "handles" around a graphical object to a red foreground color. When
Nodes or Edges are selected, they turn red instead of handles being drawn around them.

graphdraw documents are saved/restored in a readable text file. Some of the tokens used
in the text file are specific to graphdraw (and possibly any program derived from
graphdraw). graph drawings can be exported to other idraw/drawtool applications via the
"Export Graphic" command (under the File menu). This generates Postscript in a format
that idraw can read back in, and programs like drawtool can import via "Import Graphic"
(under the file menu).

A Tools menu has been added to the set of pull-down menus to allow switching between a
graph editing toolbar and a generic graphics editing toolbar.

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