1r.quant(1)                    Grass User's Manual                   r.quant(1)
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NAME

6       r.quant  - Produces the quantization file for a floating-point map.
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KEYWORDS

9       raster, statistics, quantization
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SYNOPSIS

12       r.quant
13       r.quant --help
14       r.quant       [-tr]       input=string[,string,...]        [rules=name]
15       [basemap=string]    [fprange=dmin,dmax]    [range=min,max]     [--help]
16       [--verbose]  [--quiet]  [--ui]
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18   Flags:
19       -t
20           Truncate floating point data
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22       -r
23           Round floating point data
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25       --help
26           Print usage summary
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28       --verbose
29           Verbose module output
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31       --quiet
32           Quiet module output
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34       --ui
35           Force launching GUI dialog
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37   Parameters:
38       input=string[,string,...] [required]
39           Raster map(s) to be quantized
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41       rules=name
42           Path to rules file ("-" to read from stdin)
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44       basemap=string
45           Base map to take quant rules from
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47       fprange=dmin,dmax
48           Floating point range: dmin,dmax
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50       range=min,max
51           Integer range: min,max
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DESCRIPTION

54       r.quant produces the quantization file for a floating-point map.
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56       The  map  parameter  defines the map for which the rules are to be cre‐
57       ated. If more than one map is specified, then  this  implies  that  the
58       floating-point  range  is  the  miniumum  and  maximum  of all the maps
59       together, unless either basemap=map or fprange=min,max is specified.
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61   Quant rules
62       The quant rules have to be entered interactively.
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64       If rules is specified, the input has the form:
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66       value1:value2:cat1:[cat2]
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68       where value1 and value2 are floating point values and  cat1  cand  cat2
69       are  integers. If cat2 is missing, it is taken to be equal to cat1. All
70       values can be "*" which means infinity.
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NOTE

73       It is an error for both basemap and fprange to be specified.
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SEE ALSO

76       r.support, r.null
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AUTHOR

79       Michael Shapiro, Olga Waupotitsch,  U.S.Army  Construction  Engineering
80       Research Laboratory
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SOURCE CODE

83       Available at: r.quant source code (history)
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85       Main  index  | Raster index | Topics index | Keywords index | Graphical
86       index | Full index
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88       © 2003-2019 GRASS Development Team, GRASS GIS 7.8.2 Reference Manual
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92GRASS 7.8.2                                                         r.quant(1)
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