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

6       CONRAS - draws a two dimensional contour map from irregularly
7       distributed data.  This is the super version of the Conran_family.
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STATUS

10       CONRAS is approaching obsolescence.  If you have available an
11       interpolation package which can do a random to gridded interpolation
12       equal to that built into the Conran_family, then we recommend that you
13       grid your dataset and use the Conpack utility instead.  Refer to the
14       conpack and conpack_params man pages as well as the NCAR Graphics
15       Contouring and Mapping Tutorial.
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SYNOPSIS

18       CONRAS (XD,YD,ZD,NDP,WK,IWK,SCRARR)
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DESCRIPTION

21       XD          Input, real array -- of dimension NDP containing the X
22                   coordinates of the data points.
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24       YD          Input, real array -- of dimension NDP containing the Y
25                   coordinates of the data points.
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27       ZD          Input, real array -- of dimension NDP containing the data
28                   values at the points.
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30       NDP         Input, integer -- is the number of data points to be
31                   contoured.  NDP must be 4 or larger.
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33       WK          Input, real array -- workspace of dimension 15*NDP.
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35       IWK         Input, integer array -- workspace which must be dimensioned
36                   at least IWK((27+NCP)*NDP).
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38                   The parameter NCP controls the number of data points to be
39                   used in the interpolation.  Increasing NCP causes more of
40                   the surrounding data to influence the point of
41                   interpolation.  In the case of linear interpolation NCP is
42                   always 4.  In the case of C1 interpolation, NCP can vary
43                   from 2 to 25 with 4 as the default.
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45                   The interpolation option is selected using parameter ITP.
46                   See the conran_family_params man page for a description of
47                   all internal parameters.
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49       SCRARR      Real work array of dimension at least (RESOLUTION**2) where
50                   RESOLUTION is 40 by default.
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52                   Alternate resolutions are set using parameter SSZ.  See the
53                   conran_family_params man page.
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USAGE

56       The contours will be drawn as smoothed dashed or solid lines using
57       splines under tension.  There may be characters along the lines.
58       Crowded contour lines may be thinned.  Many other options are available
59       through the use of internal parameters.  See the conran_family_params
60       man page.
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62       Quick and standard-and-smooth versions of the Conran_family are also
63       available through entries CONRAQ and CONRAN, respectively.
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EXAMPLES

66       Use the ncargex command to see the relevant example tconas.
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ACCESS

69       To use CONRAS, load the NCAR Graphics libraries conras, dashsupr,
70       ncarg, ncarg_gks, and ncarg_c, preferably in that order.
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72       The conras and dashsupr libraries are not loaded as part of the normal
73       NCAR Graphics installation.  They can be loaded by the user directly,
74       or loaded implicitly through the use of the -super option of the
75       ncargf77 command.
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79       SUPER     Command: "ncargf77 -super mycode.f"
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MESSAGES

82       See the conran_family man page for a description of all Conran_family
83       error messages and/or informational messages.
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SEE ALSO

86       Online: conraq, conran, conran_family_params, conran_family, conop1,
87       conop2, conop3, conop4, conpack, conpack_params, bivar,
88       dashline_family, ncargf77
89
90       Hardcopy: NCAR Graphics Contouring and Mapping Tutorial; NCAR Graphics
91       Fundamentals, UNIX Version; User's Guide for NCAR GKS-0A Graphics
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94       Copyright (C) 1987-2009
95       University Corporation for Atmospheric Research
96       The use of this Software is governed by a License Agreement.
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100UNIX                              March 1993                    CONRAS(3NCARG)
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