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<br />2. Sizing <br /> <br />The physical size of the plot is controlled by four variables: <br />GXMIN,GXMAX, GYMIN, GYMAX. These variables specify absolute <br />location in inches. The true meaning of each variable is soft- <br />ware dependent. Variables GXMIN and GXMAX refer to the x-axis <br />or horizontal axis. Variables GYMIN and GYMAX refer to the <br />y-axis or vertical axis. Variables GXMIN and GYMIN specify the <br />origin of the graph whereas variables GXMAX and GYMAX specify <br />the maximum positive location of the plot. for GCS, the graph <br />size includes the plot as well as labels outside of the plot <br />displ~ area. Thus, the actual axis length (and plot area) <br />is smaller than the difference between the maximum and minimum <br />locations. However, CalComp generated plots utilize the <br />coordinates (GXMIN,GYMIN) to locate the intersection of axes <br />(the origin) and variables GXMAX and GYMAX to define the <br />maximum extent of the axes. Thus, the axis length is exactly <br />equal to the difference between the maximum and the minimum <br />absolute coordinates. Default values are: <br /> <br />- ' <br /> <br />GXMIN - 0.0 inches <br />GXMAX -12.5 inches <br />GYMIN - 0.0 inches <br />GYMAX -10.5 inches <br /> <br />Use the default velues when generating Tektronix 4014 plots <br />using GCS. When using CALCOMP software directly, values for GXMIN <br />and GYMIN should be greater than or equal to one inch. Also, <br /> <br />, <br /> <br />~ <br /> <br />14 <br />