ncl6.3运行出现问题

ZJJJY

本人刚开始接触画图求大神指点！！！安装好ncl6.3以后运行ncl plotgrids.ncl,出现如下提示，难道是6.3版本不可以用吗？

Copyright (C) 1995-2015 - All Rights Reserved
University Corporation for Atmospheric Research
NCAR Command Language Version 6.3.0
The use of this software is governed by a License Agreement.
See http://www.ncl.ucar.edu/ for more details.
(0)        You need NCL V6.1 to run this script. Try running util/plotgrids_new.ncl. Stopping now...




百度查阅测试命令ng4ex gsun01n，显示如下结果：

This example was set up to display the output to an
X11 window.

  Copying gsun01n.ncl

Running NCL...
Copyright (C) 1995-2015 - All Rights Reserved
University Corporation for Atmospheric Research
NCAR Command Language Version 6.3.0
The use of this software is governed by a License Agreement.
See http://www.ncl.ucar.edu/ for more details.
GKS ERROR NUMBER -208 ISSUED FROM SUBROUTINE GOPWK :
--X driver error: DISPLAY environment variable not set
GKS ERROR NUMBER   25 ISSUED FROM SUBROUTINE GESC  :
--SPECIFIED WORKSTATION IS NOT OPEN
fatal:Workstation with PID#8 is not open
fatal:Unable to open Workstation-Can't Create
fatal:Unable to access object with id:-4
fatal:_NhlCreate:Invalid Parent id #-4
fatal:NhlGetValues:PID #-4 is invalid
fatal:["Execute.c":8575]:Execute: Error occurred at or near line 12355 in file $NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl

fatal:["Execute.c":8573]:Execute: Error occurred at or near line 12


Finished running 'ncl < gsun01n'...


啊 哭了哭了

ZJJJY

求大神指点！！！