Name: QPLOT   30
QPLOT connects data points with lines.
The call is:  CALL QPLOT (XRAY, YRAY, N)              level 0, 1
         or:  void qplot (const float *xray, const float *yray, 
                                                         int n);
XRAY, YRAY    are arrays that contain X- and Y-coordinates.
N             is the number of data points.
Name: QPLCRV  30
QPLCRV is a similar routine to  QPLOT,  but can display multiple
curves.
The call is:  CALL QPLCRV (XRAY, YRAY, N, COPT)       level 0, 1
         or:  void qplcrv (const float *xray, const float *yray, 
                                       int n, const char *copt);
XRAY, YRAY    are arrays that contain X- and Y-coordinates.
N             is the number of data points.
COPT          is a  character  string that describes the meaning
              of the  curve. COPT can  have  the values 'FIRST',
              'NEXT' and 'LAST'.
Name: QPLSCA  30
QPLSCA marks data points with symbols.
The call is:  CALL QPLSCA (XRAY, YRAY, N)             level 0, 1
         or:  void qplsca (const float *xray, const float *yray, 
                                                         int n);
XRAY, YRAY    are arrays that contain X- and Y-coordinates.
N             is the number of data points.
Name: QPLBAR  30
QPLBAR plots a bar graph.
The call is:  CALL QPLBAR (XRAY, N)                   level 0, 1
         or:  void qplbar (const float *xray, int n);
XRAY          is an  array containing data points.
N             is the number of data points.
Name: QPLPIE  30
QPLPIE plots a pie chart.
The call is:  CALL QPLPIE (XRAY, N)                   level 0, 1
         or:  void qplpie (const float *xray, int n);
XRAY          is an  array containing data points.
N             is the number of data points.
Name: QPLCLR  30
QPLCLR makes a 3-D colour plot of a matrix.
The call is:  CALL QPLCLR (ZMAT, IXDIM, IYDIM)        level 0, 1
         or:  void qplclr (const float *zmat, int ixdim, 
                                                     int iydim);
ZMAT          is a matrix  with the dimension  (IXDIM, IYDIM)
              containing the function values.
IXDIM, IYDIM  are the dimensions of ZMAT.
Name: QPLSUR  30
QPLSUR makes a surface plot of a matrix.
The call is:  CALL QPLSUR (ZMAT, IXDIM, IYDIM)        level 0, 1
         or:  void qplsur (const float *zmat, int ixdim, int 
                                                         iydim);
ZMAT          is a matrix  with the dimension  (IXDIM, IYDIM)
              containing the function values.
IXDIM, IYDIM  are the dimensions of ZMAT.
Name: QPLCON  30
QPLCON makes a contour plot of a matrix.
The call is:  CALL QPLCON (ZMAT, IXDIM, IYDIM, NLEV)  level 0, 1
         or:  void qplcon (const float *zmat, int ixdim, 
                                           int iydim, int nlev);
ZMAT          is a matrix with the dimension (IXDIM, IYDIM) con-
              taining the function values.
IXDIM, IYDIM  are the dimensions of ZMAT.
NLEV          is the number of contour levels that should be ge-
              nerated.
Name: QPLSCL  30
QPLSCL overwrites the automatic scaling of quick plots.
The call is:  CALL QPLSCL (A, E, OR, STEP, CAX)       level 0, 1
         or:  void qplscl (float a, float e, float or, 
                                   float step, const char *cax);
A, E          are the lower and upper limits  of the axis.
OR, STEP      are  the first  axis label  and the  step  between
              labels.
CAX           is a  character  string that defines the axes. CAX
              can contain the characters 'X', 'Y' and 'Z'.
