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

6       CPDRPL - Provides a useful polyline-drawer for the routine CPCLDM.
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SYNOPSIS

9       CALL CPDRPL (XCS, YCS, NCS, IAI, IAG, NAI)
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DESCRIPTION

12       XCS         (a REAL array of dimension at least NCS, input) is an array
13                   containing the X coordinates of NCS points defining a
14                   polyline.
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16       YCS         (a REAL array of dimension at least NCS, input) is an array
17                   containing the Y coordinates of NCS points defining a
18                   polyline.
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20       NCS         (INTEGER, input) is the number of points defining the
21                   polyline.
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23       IAI         (an INTEGER array of dimension at least NAI, input) is an
24                   array of area identifiers for the area in which the
25                   polyline lies. For each I from 1 to NAI, IAI(I) is the area
26                   identifier of the area with respect to the edge group
27                   IAG(I).
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29       IAG         (an INTEGER array of dimension at least NAI, input) is an
30                   array of group identifiers. See the description of IAI,
31                   above.
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33       NAI         (INTEGER, input) is the number of area identifiers in the
34                   array IAI and the number of group identifiers in the array
35                   IAG.
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USAGE

38       If CPCLDM is called, and the only object of using it, instead of
39       CPCLDR, to draw contour lines is to avoid drawing the lines through
40       labels, then, in the routine which calls CPCLDM, put the declaration
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42            EXTERNAL CPDRPL
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44       and, in the call to CPCLDM, use CPDRPL for the argument RTPL. Each time
45       CPDRPL is called, it draws the polyline defined by its first three
46       arguments if, and only if, none of the area identifiers defined by the
47       other three arguments is negative.
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ACCESS

50       To use CPDRPL, load the NCAR Graphics libraries ncarg, ncarg_gks, and
51       ncarg_c, preferably in that order.
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SEE ALSO

54       Online: conpack, cpback, cpchcf, cpchcl, cpchhl, cpchil, cpchll,
55       cpcica, cpclam, cpcldm, cpcldr, cpcltr, cpcnrc, cpezct, cpgetc, cpgeti,
56       cpgetr, cplbam, cplbdr, cpmpxy, cpmviw, cpmvrw, cppkcl, cppklb, cprect,
57       cprset, cpscae, cpsetc, cpseti, cpsetr, cpsps1, cpsps2, ncarg_cbind
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59       Hardcopy: NCAR Graphics Contouring and Mapping Tutorial
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62       Copyright (C) 1987-2009
63       University Corporation for Atmospheric Research
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65       The use of this Software is governed by a License Agreement.
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69UNIX                              March 1993                    CPDRPL(3NCARG)
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