1CURVE(3NCARG)                    NCAR GRAPHICS                   CURVE(3NCARG)
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NAME

6       CURVE - draws the curve defined by a specified series of points in the
7       user coordinate system.  The "pen" (for subsequent calls to FRSTPT,
8       VECTOR, PLOTIF, and PLOTIT) is left at the location of the last point
9       in the curve.
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SYNOPSIS

12       CALL CURVE (PX,PY,NP)
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C-BINDING SYNOPSIS

15       #include <ncarg/ncargC.h>
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17       void c_curve (float *px, float *py, int np)
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DESCRIPTION

20       PX          (an input array of type REAL) defines the X user
21                   coordinates of the curve.  Array PX is of length NP.
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23       PY          (an input array of type REAL) defines the Y user
24                   coordinates of the curve.  Array PY is of length NP.
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26       NP          (an input expression of type INTEGER) specifies the number
27                   of points in the curve.
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C-BINDING DESCRIPTION

30       The C-binding argument descriptions are the same as the FORTRAN
31       argument descriptions.
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USAGE

34       If the routine SET was not called, or if it was called with a linear
35       mapping in both the X and Y coordinates, then the GKS routine GPL is
36       called to output a polyline of length NP points.  If the mapping in
37       either axis is logarithmic, the input coordinates are transformed and
38       drawn ten points at a time. (The last segment may be less than ten
39       points.)
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41       Polyline type, line width, and color can also be set by calling the GKS
42       routines GSLN, GSLWSC, GSCR, and GSPLCI, before calling CURVE.
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EXAMPLES

45       Use the ncargex command to see the following relevant examples: sfex01,
46       sfex02, and tsoftf.
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ACCESS

49       To use CURVE or c_curve, load the NCAR Graphics libraries ncarg,
50       ncarg_gks, and ncarg_c, preferably in that order.
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SEE ALSO

53       Online: gpl, gsln, gslwsc, gscr, gsplci, frstpt, vector, plotif, line,
54       spps, spps_params, ncarg_cbind
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56       Hardcopy: NCAR Graphics Fundamentals, UNIX Version User's Guide for
57       NCAR GKS-0A Graphics; "The Use of X/Y Coordinates in NCAR Graphics" SCD
58       User Document
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61       Copyright (C) 1987-2007
62       University Corporation for Atmospheric Research
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64       This documentation is free software; you can redistribute it and/or
65       modify it under the terms of the GNU General Public License as
66       published by the Free Software Foundation; either version 2 of the
67       License, or (at your option) any later version.
68
69       This software is distributed in the hope that it will be useful, but
70       WITHOUT ANY WARRANTY; without even the implied warranty of
71       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
72       General Public License for more details.
73
74       You should have received a copy of the GNU General Public License along
75       with this software; if not, write to the Free Software Foundation,
76       Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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80UNIX                              March 1993                     CURVE(3NCARG)
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