[SAC-HELP] X error on spectrogram plot

[Anne Deschamps]

Hi,

I have tried the function spectrogram (is there an other similar 
function sonogram?).

  SEISMIC ANALYSIS CODE [03/01/2005 (Version 100.00)]
  Copyright 1995 Regents of the University of California

SAC> r APEBHZ.120.03.sac
SAC> spectrogram
Window size: 39  Overlap: 19  FFT size: 128
Warning:  ORDER begin reset to 1/2 length of correlation window.
          ORDER = 19
Spectrogram dimensions are 512  by 3599 .
X Error of failed request:  BadMatch (invalid parameter attributes)
   Major opcode of failed request:  72 (X_PutImage)
   Serial number of failed request:  65
   Current serial number in output stream:  67

Is there any particular variable to initialise

Anne
-- 
Anne Deschamps
Géosciences Azur, CNRS/UNSA/IRD/UPMC
250 rue Albert Einstein
06560 SOPHIA ANTIPOLIS
tel: 33 (0)4 92 94 26 16, fax : 33 (0)4 92 94 26 10