Cannot connect to X server

[David VandenHeuvel]

I am on the latest OS X 10.11.2

Installed Xcode

Installed the command line tools

Installed Mac Ports 2.3.4

Installed to Port Apps (grads and abclock)

Both apps when started from terminal report that following errors: (RED Syntax highlighting is mine)

Last login: Wed Dec 16 21:53:24 on console
MacBook-Pro:~ DaveVan$ grads

Grid Analysis and Display System (GrADS) Version 2.0.2
Copyright (c) 1988-2011 by Brian Doty and the
Institute for Global Environment and Society (IGES)
GrADS comes with ABSOLUTELY NO WARRANTY
See file COPYRIGHT for more information

Config: v2.0.2 little-endian readline printim grib2 netcdf hdf4-sds hdf5 opendap-grids geotiff shapefile
Issue 'q config' command for more detailed configuration information
Landscape mode? ('n' for portrait):  y
GX Package Initialization: Size = 11 8.5 
Error in GXSTRT: Unable to connect to X server


MacBook-Pro:~ DaveVan$ abclock

Cannot connect to X server []

MacBook-Pro:~ DaveVan$ port version
Version: 2.3.4


HELP?

Dave
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