Using Grapher to draw graphs
Note: It only runs in Microsoft Internet Explorer (versions 5 and higher).
To draw a node, position your cursor where you want it, and click:
After you have two or more nodes, you can connect pairs of nodes by clicking first on one (it turns pink to indicate that it has been selected), then on another.
To select a node, click on it.
To move a node, select it, then drag.
To name a node: select it, then type.
To delete a node: select it, then hit 'Delete.'
To delete a line: click on both nodes, again. (Clicking on two nodes in succession builds a line if it doesn't exist and removes it if it does.)
To select more than one node: select one or more; then click on a new node with the shift key down.
To deselect all nodes: press enter.
To deselect a single node: click on it with the shift key down.
For basic help: use the help menu (with the "grapher" icon).
What else can Grapher do?
|Select all nodes||CTRL A|
|Copy a selected subgraph||CTRL C|
|Paste a selected subgraph||CTRL V|
|Extrude a selected subgraph (multiply by K2)||CTRL Enter|
|Make a complete subgraph on selected nodes.||Select nodes, then CTRL K|
|Expand selection to all neighbors:||CTRL X|
|Hide the hint box:||Click on it.|
|Reselect previous selection||CTRL Q|
|Form the complement of a selected subgraph||CTRL -|
|Display shortest path between two selected nodes||CTRL T|
|Select displayed nodes (as in path or dominating set):||CTRL D|
|Join several nodes to another||Select several (using shift key) then click new node|
|Make a path with new nodes||Click on blank space with shift key held down.|
|Save a file in XML format (incidence matrix)||Use the file menu|
|Read a file in XML format (incidence matrix)||Use the file menu.
You can only do this if you copy the code to your local machine.
|Construct a random graph||Use the file menu|
|Find a dominating set||CTRL G|
Making the wheel with seven spokes (W7):
Making the Peterson Graph:
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