ge> create subgraph /x1= /y1= /subgraph= [/x2= /y2=]
| /x1 | x-coordinate for the upper left corner. |
| /y1 | y-coordinate for the upper left corner. |
| /subgraph | The name of the subgraph. If the subgraph is a part of the ProviewR |
| base system is always has the prefix 'pwr_' and is written with lower case, | |
| e.g. 'Valve' has the name pwr_valve. | |
| /x2 | If the point (x2, y2) is supplied, the subgraph is scaled to fit inside a |
| rectangle with the corner points (x1, y1) and (x2, y2). |