Using these parameters, scaling, and optional range parameters it will generate PostScript code that plots a histogram. A cumulative histogram may also be specified. If no file is given, pshistogram will read standard input. Sets the bin width used for histogram calculations. No space between the option flag and the associated argu- ments.
Sets map boundary tickmark intervals.
See psbasemap for details. Read second rather than first column. Select filling of bars. Number of header records can be changed by editing your . gmtdefaults file. If used, GMT default is 1 header record.