bug report

[Don Hooper]

I am forwarding this report for sandra.j.lubker at noaa.gov.  I don't know why
Sandy is shy about posting herself.  ;)

    GrADS bug
    When setting gxout to grfill nothing was plotted.
    This can be reproduced by:
    (1) open any file
    (2) display the values as a constant ending in various fractions
    (3) depending on the fraction some plot and some do not

    Grid Analysis and Display System (GrADS) Version 1.9b4
    Copyright (c) 1988-2005 by Brian Doty and IGES
    Center for Ocean-Land-Atmosphere Studies (COLA)
    Institute for Global Environment and Society (IGES)
    GrADS comes with ABSOLUTELY NO WARRANTY
    See file COPYRIGHT for more information

    Config: v1.9b4 32-bit big-endian readline sdf/xdf netcdf lats printim

    Issue 'q config' command for more information.

    Landscape mode? (no for portrait):
    GX Package Initialization: Size = 11 8.5

    ga-> open rhum.g.ctl
    Scanning description file:  rhum.g.ctl
    Data file rhum.g is open as file 1
    LON set to 0 360
    LAT set to -89 89
    LEV set to 1909 1909
    Time values set: 1:1:1:0 1:1:1:0

    ga-> set gxout grfill

    ga-> d const(rhum,70)
    Constant field.  Value = 70
 ok ga-> clear

    ga-> d const(rhum,70.1)
    Constant field.  Value = 70.1
 ok ga-> clear

    ga-> d const(rhum,70.2)
    Constant field.  Value = 70.2
 ok ga-> clear

    ga-> d const(rhum,70.3)
    Constant field.  Value = 70.3
 ok ga-> clear

    ga-> d const(rhum,70.4)
    Constant field.  Value = 70.4
 ok ga-> clear

    ga-> d const(rhum,70.5)
    Constant field.  Value = 70.5

    ga-> d const(rhum,70.6)
    Constant field.  Value = 70.6

    ga-> d const(rhum,70.7)
    Constant field.  Value = 70.7

    ga-> d const(rhum,70.8)
    Constant field.  Value = 70.8

    ga-> d const(rhum,70.9)
    Constant field.  Value = 70.9

    ga-> quit
    No hardcopy metafile open
    GX package terminated

Here is the Data Descriptor File (DDF) "rhum.g.ctl":

DSET ^rhum.g
TITLE COADS DSUL
UNDEF -9999
OPTIONS YREV BIG_ENDIAN
XDEF 180 LINEAR 1 2
YDEF 90 LINEAR -89 2
ZDEF 3 LEVELS 1909 1949 1979
TDEF 12 LINEAR 0Z1jan1 1mo
VARS 1
rhum 3 99 median
ENDVARS

-Hoop