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NAME

       Ngmisc_params - This document briefly describes all Ngmisc internal parameters.

DESCRIPTION

       Parameter descriptions, in alphabetical order, of all Ngmisc internal parameters follow.
       Each entry includes the name of a parameter, its FORTRAN type, its default value, and a
       short description of the parameter.

       ´CA´   -   Integer   -   1
              This parameter controls the type of line cap used in PostScript output from NCAR
              GKS.  If the value is 0, butt caps are used; if the value is 1, round caps are
              used; if the value is 2, projecting square caps are used.  This value applies to
              the specific workstation specified in a previous call to NGSETI to set a value for
              the ´WO´ parameter (see below).

       ´CL´   -   Integer   -   1
              Specifies whether clipping to NDC space is on in NCAR GKS.  A value of "1" will
              turn clipping on and a value of "0" will turn it off.  This flag controls whether
              filled areas and polylines are clipped if they go out of the world coordinate
              rectangle that gets mapped onto NDC space.  This clipping is not to be confused
              with the clipping that is controlled by the GKS GSCLIP function - that function
              controls whether clipping is to be done to the viewport of the current
              normalization transformation, not to NDC space itself (unless the viewport of the
              current normalization transformation is the entirety of NDC space).

       ´CM´   -   Integer     -   1
              If CM equals 1, then the RGB color model is used for PostScript output; if CM
              equals 0, then the CMYK color model is used for PostScript output.

       ´CO´   -   Integer   -   25
              A positive integer specifying a scale factor for the integer coordinate values in
              PostScript output from NCAR GKS.  This value will apply to the first PostScript
              workstation opened with GOPWK after specifying the value for ´CO´.  The default
              coordinates in PostScript user space represent units of 1/72 of an inch; for an 8
              1/2 inch by 11 inch page in portrait mode, the default PostScript user coordinate
              space is  0  to  612  in X and  0  to  792 in Y.  The value of ´CO´ will multiply
              the PostScript user coordinates by the specified amount.  Specifying larger values
              for CO will increase the accuracy of coordinate positions at the expense of larger
              files (more space is needed to represent the larger integer coordinate values);
              smaller numbers reduce the accuracy of coordinate positions, but reduce file sizes.

       ´CT´   -   Integer   -    0
              Specifies whether NGDOTS will draw filled dots or circles.  If the value of CT is
              0, then filled dots are drawn.  If the value of CT is not 0, then circles are
              drawn.

       ´ER´   -   Integer   -   10
              Specifies the maximum number of error messages that will be issued by NCAR GKS
              before it terminates execution.  ER must be larger than zero.

       ´FI´   -   Real   -   0.0005
              A real number in the range 0. to 1. (normalized device coordinate space) that
              specifies the spacing between fill lines used in software fill in PostScript output
              from NCAR GKS.  This value applies to the specific workstation specified in a
              previous call to NGSETI to set a value for the "WO" parameter (see below).

       ´FU´   -   Integer   -   0
              Controls whether the background color is applied to the entirety of a page, or just
              the viewport area, in PostScript output from NCAR GKS.  If the value is 0, then the
              background color applies only to the viewport area; if the value is non-zero, then
              the background color covers the entire page.  This value applies to the specific
              workstation specified in a previous call to NGSETI to set a value for the ´WO´
              parameter (see below).

       ´HA´   -   Real   -   0.01
              A real number in the range 0. to 1. (normalized device coordinate space) that
              specifies the spacing between hatch lines used in hatch-pattern filled areas in
              PostScript output from NCAR GKS.  This value applies to the specific workstation
              specified in a previous call to NGSETI to set a value for the ´WO´ parameter (see
              below).

       ´IG´   -   Integer   -   0
              A flag to indicate whether the clip rectangles in segment copies should be
              transformed by using the current segment transformation.  The GKS standard says
              that the clip rectangles should not be so transformed and this is the default.

       ´JO´   -   Integer   -   1
              Controls the type of line join used in PostScript output from NCAR GKS.  If the
              value is 0, miter joins are used; if the value is 1, round joins are used; if the
              value is 2, bevel joins are used.  This value applies to the specific workstation
              specified in a previous call to NGSETI to set a value for the ´WO´ parameter (see
              below).

       ´LB´   -   Integer   -   1
              Specifies the secondary logo color (this is applicable only for logo type 5, in
              which case the secondary color is used for the text string "UCAR").

       ´LC´   -   Integer   -   1
              Specifies the logo color (except in the case of an NCAR logo being plotted to a
              PostScript workstation, in which case you will get the full-color logo).

       ´LT´   -   Integer   -   1
              Specify the logo type.  See the documentation for NGLOGO for a list of the logo
              types, or execute "ncargex miex01" for an example plot that lists the logo types.

       ´LX´   -   Integer   -   36
              Specifies the left X coordinate value to be used in positioning PostScript output
              from NCAR GKS on the output page.  This value is in the default PostScript user
              space where one unit corresponds to 1/72 inch.  This value must be specified before
              opening the PostScript workstation to which it will apply.  See descriptions for
              the parameters ´LY´, ´UX´, and ´UY´.

       ´LY´   -   Integer   -   126
              Specifies the lower Y coordinate value to be used in positioning PostScript output
              from NCAR GKS on the output page.  This value is in the default PostScript user
              space where one unit corresponds to 1/72 inch.  This value must be specified before
              opening the PostScript workstation to which it will apply.  See descriptions for
              the parameters ´LX´, ´UX´, and ´UY´.

       ´MC´   -   Integer     -   depends on the workstation type
              The X11 workstation indicated by the integer should use a "mixed" X color model.
              (-1) indicates the next X11 workstation created.

       ´ME´   -   Character   -   depends on the workstation type
              A character string that specifies the metafile name that will be used by the next
              NCAR GKS GOPWK call that opens a GKS CGM or PostScript workstation.

       ´MI´   -   Real   -   10.
              Controls the miter limit of line joins in PostScript output from NCAR GKS.  This
              applies only if line joins are specified as mitered joins (see the description of
              the parameter ´JO´ above).  This value applies to the specific workstation
              specified in a previous call to NGSETI to set a value for the ´WO´ parameter (see
              below).

       ´NO´   -   Real   -   1.0
              A positive real number specifying a scale factor for the nominal linewidth in
              PostScript output from NCAR GKS.  Setting the value larger than 1.0 will result in
              all line thicknesses being fatter by that amount; setting the value smaller than
              1.0 will result in all line thicknesses being narrower by that amount.  This value
              applies to the specific workstation specified in a previous call to NGSETI to set a
              value for the ´WO´ parameter (see below).

       ´OS´   -   Real   -  0.07
              Specifies the logo size in normalized device coordinates (a number between 0. and
              1.).  For example, a size specification of 0.1 would give a logo size one-tenth the
              maximum plot height.

       ´OX´   -   Real   -  0.93
              Specify the logo X-coordinate position in normalized device coordinates.

       ´OY´   -   Real   -  0.05
              Specify the logo Y-coordinate position in normalized device coordinates.

       ´PA´   -   Integer   -   1300
              Specifies the maximum size of paths used in PostScript output from NCAR GKS.  This
              value controls when software fill will be used in place of hardware fill.  Larger
              values result in significant file size and interpretation time savings.  This value
              applies to the specific workstation specified in a previous call to NGSETI to set a
              value for the ´WO´ parameter (see below).  The default value is compatible with the
              minimum value specified in the Adobe PostScript specifications that is to apply to
              all PostScript interpreters.  A specific interpreter may allow for significantly
              larger paths.  See the documentation for your local PostScript interpreter to
              determine this value.

       ´PC´   -   Integer     -   depends on the workstation type
              The X11 workstation indicated by the integer should use a "private" X color model.
              (-1) indicates the next X11 workstation created.

       ´PE´   -   Integer   -   20
              Percentage error allowed in matching requested colors in X Window output where the
              window shares a single color map with all the other current X windows.  The value
              "0" is special and is the same as the value "100" meaning that any color may be
              selected.  In the default environment all X11 windows share a single color map and
              when a request is made to allocate a new color, and there are no more colors left,
              then the nearest color (to within the stated percentage) is selected.  The "nearest
              color" is the one in the current color table that is closest using the normal
              distance metric in the RGB color cube.  The percentage error is measured as a
              percentage of lenght of a diagonal of the RGB color cube.

       ´PH´   -   Integer     -   792
              Specification, in points, of the PDF output page height.

       ´PI´   -   Character   -   blanks
              A character string that will be used for the picture name of the current picture in
              the PICTURE NAME element of an ncgm file.  The first picture must be named before
              the ncgm workstation is opened and subsequent pictures must be named immediately
              after creating the previous picture.  Not all pictures need be named and any
              picture that is not assigned a specific name is assigned blanks in the PICTURE NAME
              field of the ncgm.

       ´PW´   -   Integer     -   612
              Specification, in points, of the PDF output page width.

       ´SC´   -   Integer     -   depends on the workstation type
              The X11 workstation indicated by the integer should use a "shared" X color model.
              (-1) indicates the next X11 workstation created.

       ´SH´   -   Integer     -   612
              Specification, in points, of the PS output page height.

       ´SE´   -   Character   -   'GSEG'
              Specifies a root name for segments created by NCAR GKS.  In the default case, the
              segment name used will be constructed from GSEG by appending an integer constructed
              from the user id, the process id, and the segment number.  By default, the segments
              are stored in the directory specified by the environment variable TMPDIR (usually
              set internally at install time to /tmp).  If SE is changed away from the default
              setting, then the segment name will be cunstructed using the value of SE as a root
              and appending the segment number.

       ´SW´   -   Integer     -   792
              Specification, in points, of the PS output page width.

       ´SS´   -   Integer   -   1
              Specifies whether segments should be deleted when WISS is closed.  The default is
              to delete segments.  Setting SS to a non-default value will cause segments to be
              saved.

       ´ST´   -   Integer   -   200
              Specifies the maximum size of the operand stack used in PostScript output from NCAR
              GKS.  The primary effect of setting this value controls how many points can be
              included in a locally-defined macro for polylines and filled areas.  Larger values
              result in space savings.  This value applies to the specific workstation specified
              in a previous call to NGSETI to set a value for the ´WO´ parameter (see below).
              The default value is compatible with the minimum value specified in the Adobe
              PostScript specifications that is to apply to all PostScript interpreters.

       ´UX´   -   Integer   -   576
              Specifies the upper X coordinate value to be used in positioning PostScript output
              from NCAR GKS on the output page.  This value is in the default PostScript user
              space where one unit corresponds to 1/72 inch.  This value must be specified before
              opening the PostScript workstation to which it will apply.  See descriptions for
              the parameters "LX", "LY", and "UY".

       ´UY´   -   Integer   -   666
              An integer that specifies the upper Y coordinate value to be used in positioning
              PostScript output from NCAR GKS on the output page.  This value is in the default
              PostScript user space where one unit corresponds to 1/72 inch.  This value must be
              specified before opening the PostScript workstation to which it will apply.  See
              descriptions for the parameters "LX", "LY", and "UX".

       ´WO´   -   Integer   -   none
              An integer specifying the NCAR GKS workstation ID that will be used for subsequent
              parameters that apply to a specific workstation.

SEE ALSO

       Online: nggetc, nggeti, nggetr, ngsetc, ngseti, ngsetr, ngpswk, ncarg_cbind.

       http://ngwww.ucar.edu/ngdoc/ng/gks/gkshome.html

       Hardcopy: NCAR Graphics Fundamentals, UNIX Version;

COPYRIGHT

       Copyright (C) 1987-2009
       University Corporation for Atmospheric Research
       The use of this Software is governed by a License Agreement.