``` gmt basemap -R0/3/4/8/1/7 -Jz1.5 -p315/25 -BWsNeZ3 -Bxafg -Byafg -Bzafg -png map ```  The gridlines in the YZ and XZ planes don't extend to the Z limits.
The gridlines in the YZ and XZ planes don't extend to the Z limits.