Dear all,
I am sorry to take your time, but I encountered a SURFACE data problem when I run the new RegCM4.1 model. The problem occurs when I do this step:

../Bin/terrain regcm.in

This is Terrain part of RegCM package version 4
SVN Revision: 宸插鍑?compiled at: data : May 18 2011 time: 08:29:10

: this run start at : Wed May 18 08:50:11 2011
: it is submitted by : root
: it is running on   : localhost.localdomain
: in directory       : /usr/RegCM-4.1/200604


Doing Domain Setup with following parameters

ntypec =           10
iy     =           60
jx     =          100
ds     =    60.0000000000000
clat   =    40.0000000000000
clon   =    100.000000000000
iproj = LAMCON

Grid setup done
Geo mapping done
Calculated large extrema:
          MINLAT =    19.0000000000000
          MAXLAT =    57.0000000000000
          MINLON =    56.0000000000000
          MAXLON =    145.000000000000
Determined Grid coordinate range
Opening ./DATA/SURFACE/GTOPO_DEM_30s.nc
NetCDF library error.
No such file or directory

...........................................................

Could you help me? I am grateful for any help.Thanks very much.

Xingtao Su
PLA University of Sci. and Tech.,Nanjing,China