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## 1.6.7 The -R option

Setting -R xmin/xmax/ymin/ymax[r] specifies the Region of interest. Decimal or exponential notations (e.g., 1.3e7) are supported. To use degrees and minutes [and seconds], use the dd:mm[:ss] format. Append r if lower left and upper right corners are given instead of minimum and maximum extent of a rectangular region (Figure 1.12).

Figure 1.12: The plot region can be specified in two different ways.