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NAME

       d.rast.num   -  Overlays  cell  category  values  on  a raster map displayed in the active
       graphics frame.

KEYWORDS

       display, map annotations, raster

SYNOPSIS

       d.rast.num
       d.rast.num --help
       d.rast.num [-af]  map=name   [text_color=name]    [grid_color=name]    [precision=integer]
       [font=string]   [path=name]   [charset=string]   [--help]  [--verbose]  [--quiet]  [--ui]

   Flags:
       -a
           Align grids with raster cells

       -f
           Get text color from cell color value

       --help
           Print usage summary

       --verbose
           Verbose module output

       --quiet
           Quiet module output

       --ui
           Force launching GUI dialog

   Parameters:
       map=name [required]
           Name of raster map

       text_color=name
           Text color
           Either a standard color name or R:G:B triplet
           Default: black

       grid_color=name
           Grid color
           Either a standard color name, R:G:B triplet, or "none"
           Default: gray

       precision=integer
           Number of significant digits (floating point only)
           Options: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
           Default: 1

       font=string
           Font name

       path=name
           Path to font file

       charset=string
           Text encoding (only applicable to TrueType fonts)

DESCRIPTION

       d.rast.num  overlays  cell category values onto a raster map layer displayed on the user’s
       graphics monitor.  Category values will be displayed in the text color given and scaled to
       fit  within  a  single  cell.  A  grid  outlining each map cell will also be overlain in a
       user-specified color, unless it has been set to "none".

       If no grid color is given the default will be used. If no  map  layer  is  specified,  the
       program  will  use whatever raster map layer is currently displayed in the active frame on
       the graphics monitor.

       If the -f flag is given the displayed number will take on the color of  the  base  map  in
       that cell.

NOTES

       The  user is advised to set the current region to a relatively small area (i.e., less than
       100 rows by 100 columns); otherwise, the individual cells being displayed  will  be  small
       and  the  category value associated with each will be difficult to see.  No data cells are
       indicated with "Null".

EXAMPLE

       A) Distance from the streams network (North Carolina sample dataset):
       g.region raster=streams_derived -p
       r.grow.distance input=streams_derived distance=dist_from_streams
       d.rast.num dist_from_streams -a
       Euclidean distance from  the  streams  network  in  meters  (detail,  numbers  shown  with
       d.rast.num)

SEE ALSO

        d.frame, d.grid, d.rast, d.rast.arrow, d.rast.edit, g.region, r.slope.aspect

AUTHORS

       Raghavan Srinivasan, and Chris Rewerts,
       Agricultural Engineering, Purdue University

       Last changed: $Date: 2015-05-01 12:25:58 +0200 (Fri, 01 May 2015) $

SOURCE CODE

       Available at: d.rast.num source code (history)

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       © 2003-2019 GRASS Development Team, GRASS GIS 7.6.1 Reference Manual