If fontno is not an integer, then it is taken to be a textstring with the desired fontname. Selects the map projection. More details can be found in the psbasemap manpages. Same syntax as -Jx . No space between the option flag and the associated argu- ments.
Sets map boundary tickmark intervals.
See psbasemap for details. Number of header records can be changed by editing your . gmtdefaults file. If used, GMT default is 1 header record. Append pen attributes. Specifies the number of plot copies.