# ncl_wmap_params man page

Wmap_params — This document briefly describes all the internal parameters of Wmap.

## Description

The following shows all of the internal parameters that affect the behavior of Wmap. Each entry includes the name of a parameter, its Fortran type, its default value, and a short description of the parameter.

- ´ALO´ - Integer - 0
- A Flag to indicate whether a weather front is at the surface or aloft. ALO=0 is surface; ALO=1 is aloft.
- ´AOC´ - Integer - -1
- Color index for the outlines of arrows (outlines drawn only if AOC is non-negative).
- ´ARC´ - Real - 0.
- Length of current weather front line (retrieval only).
- ´ARD´ - Real - 0.
- Direction of arrows, expressed in degrees.
- ´ARL´ - Real - 1.
- Scale factor for the length of an arrow's tail, independent of the arrow's size.
- ´ARS´ - Real - 0.035
- Size of arrows, expressed as a fraction of the maximum screen height.
- ´ASC´ - Integer - -1
- Color index for the shadows of arrows (shadows are drawn only if ASC is non-negative).
- ´AWC´ - Integer - 1
- Color index for the interior of arrows.
- ´BEG´ - Real - 0.015
- Space, expressed in world coordinates, to leave along a front line before the first symbol is drawn.
- ´BET´ - Real - 0.045
- Space, expressed in world coordinates, to leave along a front line before the first symbol is drawn.
- ´CBC´ - Integer - 1
- The color index to be used for backgrounds of city and daily high/low labels.
- ´CC1´ - Integer - 2
- Color index for the interior of a cloud symbol.
- ´CC2´ - Integer - 1
- Color index for the outline of the cloud symbol.
- ´CC3´ - Integer - 1
- Color index for the shadow of the cloud symbol.
- ´CFC´ - Integer - 1
- Color index to use for cold front symbols.
- ´CHT´ - Real - 0.0105
- Height of characters, expressed as a fraction of the maximum screen width, of the city labels and daily high/low temperatures.
- ´CMG´ - Real - 0.002
- Size, expressed as a fraction of the maximum screen height, of the margins used for the city labels.
- ´COL´ - Integer - 1
- Color index to use for all objects that require only a single color setting.
- ´CS1´ - Real - N/A
- Slope of the left edge of a front line as calculated internally as measured in degrees from the X-axis (used when SLF=0,2, or 3). This parameter is for retrieval only.
- ´CS2´ - Real - N/A
- Slope of the right edge of a front line as calculated internally as measured in degrees from the X-axis (used when SLF=0,1, or 3). This parameter is for retrieval only.
- ´DBC´ - Integer - 0
- The color index to be used for the background shadow for the dots marking the city locations.
- ´DTC´ - Integer - 1
- The color index to use for the dots marking the city locations.
- ´DTS´ - Real - 0.006
- Size, expressed as a fraction of the maximum screen height, of the dots used to mark cities.
- ´DWD´ - Real - 2.0
- Line widths for front lines that do not have symbols along them (like tropical fronts and convergence lines).
- ´END´ - Real - 0.015
- Space, expressed in world coordinates, to leave along a front line after the last symbol has been drawn.
- ´FRO´ - Character - 'WARM'
- Front type (one of `WARM', `COLD', `OCCLUDED', `STATIONARY', `SQUALL', `TROPICAL', or `CONVERGENCE').
- ´HIB´ - Integer - 0
- Background color index for the "H" drawn for the high pressure symbols.
- ´HIC´ - Integer - 1
- Color index of the circumscribed circle for the "H" drawn for the high pressure symbols.
- ´HIF´ - Integer - 1
- Color index for the "H" drawn for the high pressure symbols.
- ´HIS´ - Integer - 1
- Color index for the shadow of the high pressure symbols
- ´LC1´ - Integer - 2
- Color index for the interior of the lightening bolt symbol
- ´LC2´ - Integer - 1
- Color index for the outline of the lightening bolt symbol.
- ´LC3´ - Integer - 1
- Color index for the shadow of the lightening bolt symbol
- ´LIN´ - Real - 8.
- Line widths, expressed as a fraction of the maximum screen width, for fronts having symbols along them.
- ´LOB´ - Integer - 1
- Color index for the background of the "L" drawn for the low pressure symbols.
- ´LOF´ - Integer - 0
- Color index for the "L" drawn for the low pressure symbols.
- ´LOS´ - Integer - 0
- Color index for the shadow of the low pressure symbols.
- ´LWD´ - Real - 0.00275
- Line width used when parameter WTY=1 (see below)
- ´MXS´ - Integer - 300
- Maximum number of symbols allowed along a weather front line.
- ´NBZ´ - Integer - 51
- The number of points to use in the Bezier curves for the symbols along the warm fronts.
- ´NMS´ - Integer - internally calculated
- Specifies precisely the number of symbols to appear along a weather front line (if this parameter has not been set by the user, then it is calculated internally).
- ´PAI´ - Integer - 1
- Current parameter array index used in specifying internal parameters that are arrays.
- ´RBS´ - Integer - -1
- The color index to use for the background of the regional temperature labels (plotted only if RBS is non-negative).
- ´RC1´ - Integer - 1
- Color index for the outline of the boxes drawn for the regional weather labels.
- ´RC2´ - Integer - 0
- Color index for the backgrounds of the boxes used for the regional weather labels.
- ´RC3´ - Integer - 1
- Color index for the shadow color of the boxes used for the regional weather labels.
- ´RC4´ - Integer - 1
- Color index for the text string used for regional weather labels.
- ´RC5´ - Integer - 1
- Color for the outlines of the characters in the text strings used for regional weather labels (plotted only if RC5 is non-negative).
- ´REV´ - Integer - N/A
- Reverses the current setting for the direction symbols will be drawn along front lines.
- ´RFC´ - Integer - 1
- The color index to be used for the foreground of regional temperature labels and cities.
- ´RHT´ - Real - 0.008
- Height, expressed as a fraction of the maximum screen width, of the characters used for the regional weather patterns (like rain, snow, etc.).
- ´RLS´ - Integer - 1
- The color index to use for shadows of regional temperature labels.
- ´RMG´ - Real - 0.001
- Size, expressed as a fraction of the maximum screen height, of the margins of the regional temperature labels.
- ´ROS´ - Integer - -1
- The color index to use for the outlines of the regional temperature labels (plotted only if ROS is non-negative).
- ´SC1´ - Integer - 2
- Color index to be used for the center of the sun symbol.
- ´SC2´ - Integer - 3
- Color index for the points of the sun symbol.
- ´SC3´ - Integer - 1
- Color index for the outline of the sun symbol.
- ´SC4´ - Integer - 1
- Color index for the shadow of the sun symbol.
- ´SHT´ - Real - 0.02
- Height of symbols, expressed as a fraction of the maximum screen width, for all the special symbols.
- ´SL1´ - Real - 0.0
- The slope of the beginning of a front line measured in degrees from the X-axis. This parameter is used in conjunction with the parameter SLF.
- ´SL2´ - Real - 0.0
- The slope of the end of a front line measured in degrees from the X-axis. This parameter is used in conjunction with the parameter SLF.
- ´SLF´ - Integer - 3
- Flag for indicating how the slopes at the end of a front line should be handled (0=use SL1 & SL2; 1=use SL1 only; 2=use SL2 only; 3=use neither SL1 or SL2). When either SL1 or SL2 is not used, it is calculated internally.
- ´STY´ - Integer Array - all 2s
- An array for precisely specifying whether a warm front or cold front symbol is to be drawn at the specified position along a front line (1=cold; 2=warm). Use the internal parameter PAI for defining this array.
- ´SWI´ - Real - 0.0325
- Width of a symbol along a weather front, expressed as a fraction of the maximum screen width.
- ´T1C´ - Integer - 1
- One color to use for the alternating colors of the dashes in the tropical fronts.
- ´T2C´ - Integer - 1
- A second color to use for the alternating colors of the dashes in the tropical fronts.
- ´THT´ - Real - 0.0165
- Height of characters, expressed as a fraction of the maximum screen width, for the regional temperature labels.
- ´UNT´ - Integer - 0
- Flags whether imperial units (the default) or metric units are used.
- ´VVC´ - Integer - 0
- Flags whether the raw SYNOP codes are plotted for surface visibility (default is not to).
- ´WBA´ - Real - 62.
- Angle (in degrees) that the wind barb ticks make with the wind barb shafts.
- ´WBC´ - Real - 0.3
- Diameter of sky cover circle at base of wind barb, expressed as a fraction of the shaft length.
- ´WBD´ - Real - 0.1
- Spacing between tick marks along a wind barb expressed as a fraction of the wind barb shaft length.
- ´WBF´ - Integer - 0
- Flag indicating whether the base of a wind barb should be drawn to allow for the sky cover circle at its base (WBF=1 means yes; WBF=0 means no).
- ´WBL´ - Real - 0.17
- Size of the text labels in the station model display, expressed as a fraction of the shaft length.
- ´WBR´ - Real - 0.25
- Radius of the larger circle drawn for calm, as a fraction of the wind barb shaft length.
- ´WBS´ - Real - 0.035
- The size, expressed as a fraction of the maximum screen height, of a wind barb shaft.
- ´WBT´ - Real - 0.33
- Length of wind barb full tic as a fraction of its shaft length.
- ´WFC´ - Integer - 1
- Color index to use for warm front symbols.
- ´WHT´ - Real - 0.014
- Height of characters, expressed as a fraction of the maximum screen width, of the characters used for regional weather labels (plotted with WMLABW or c_wmlabw).
- ´WTY´ - Integer - 0
- Flag indicating whether linewidths are to be implemented via GKS (WTY=0), or simulated internally (WTY=1).

## See Also

Online: wmap_params, wmbarb, wmdflt, wmdrft, wmdrrg, wmgetc, wmgeti, wmgetr, wmlabc, wmlabs, wmlabt, wmlabw, wmlgnd, wmsetc, wmseti, wmsetr, wmstnm, ncarg_cbind.

Hardcopy: WMAP - A Package for Producing Daily Weather Maps and Plotting Station Model Data

## Copyright

Copyright (C) 1987-2009

University Corporation for Atmospheric Research

The use of this Software is governed by a License Agreement.

## Info

NCAR GRAPHICS January 1995