If a pre-specified configuration will not fit in the given number of rows, this will be increased. Lets you specify the number of rows in the grid. This allows you to use small values 1…n to specify a configuration, but then start it running with blank space around it. If this option is ticked, the X and Y variate values are moved so that their mean lies at the centre of the plot. The usual Genstat continuation notation … and multipliers, n(), can be used in the list, e.g. This may be a variate or a space or comma separated list of numbers. The values must be between 1 and the Number of rows. This gives the Y (row) locations of the starting individuals. The values must be between 1 and the Number of columns. This gives the X (column) locations of the starting individuals. You can also transfer the current selection by clicking the button. Double-click a name to copy it to the current field or type the name. When in the Y values field, only variates with the same length as the current X values field will be listed. This lists variates appropriate to the X values or Y values fields. Select this option to provide your own configuration in the X values and Y values fields. Some large patterns die quickly, and other small ones like the R-pentomino may live indefinitely. Some patterns are generative, such as the Gospor Glider Gun or the Space filler, and grow indefinitely. Other patterns move consistently across the grid e.g the Glider, Spaceships and Invader. This may be as few as two for the simple Blinker, Beacon and Toad, or may be large as in the Centinal (100). Some of the patterns die, others become oscillators that switch between a set number of states. For the Random configurations, the starting X and Y variates are printed in the Output window in case you find an interesting one that you want to record. For the Random configurations two fields Size and Points come up and specify the maximum extent of the square or line and the number of points randomly allocated within this. Specifies a named configuration to use as the starting configuration. Any dead cell with exactly three live neighbours will come to life (birth).Any live cell with two or three live neighbours lives, unchanged, to the next generation.Any live cell with more than three live neighbours dies (overcrowding).Any live cell with fewer than two live neighbours dies (exposure).
The menu contains 33 Pre-specified starting configurations, or you may provide your own pair of variates that specify the X and Y locations of the individuals in the grid. The Pause option controls how quickly the generations are plotted. If you have reached the Number of generations, you may use the Continue button to keep running the population for more generations. This is repeated until all individuals have died, are static or the Number of generations has been reached. The location of the individuals in the grid is plotted for each generation. Points that leave the grid are assumed to be dead which can create edge effects. The size of the grid is given in the Number of rows and Number of columns fields. In this you set a starting configuration of individuals in an grid of cells, and then the rules of life are applied to the individuals to create the next generation. From the menu select Data | Games | Life.This menu allows you to play the classic game of life, created by John Conway, using the LIFE procedure.
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