1r.le.pixel(1)                 Grass User's Manual                r.le.pixel(1)
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NAME

6       r.le.pixel   -  Contains  a  set of measures for attributes, diversity,
7       texture, juxtaposition, and edge.
8

KEYWORDS

10       raster
11

SYNOPSIS

13       r.le.pixel
14       r.le.pixel help
15       r.le.pixel    [-euz]    map=string      [sam=string]       [reg=string]
16       [att=string[,string,...]]     [div=string[,string,...]]    [te1=string]
17       [te2=string[,string,...]]                     [jux=string[,string,...]]
18       [edg=string[,string,...]]   [--verbose]  [--quiet]
19
20   Flags:
21       -e
22           Output map 'edge' of edges given a '1' in r.le.para/edge file
23
24       -u
25           Output maps 'units_x' with sampling units for each scale x
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27       -z
28           Output map 'zscores' with standardized scores
29
30       --verbose
31           Verbose module output
32
33       --quiet
34           Quiet module output
35
36   Parameters:
37       map=string
38           Raster map to be analyzed
39
40       sam=string
41           Sampling method (choose only 1 method):
42                w  =  whole  map      u = units        m = moving window   r =
43           regions
44           Default: w
45
46       reg=string
47           Name of regions map, only when sam = r; omit otherwise
48
49       att=string[,string,...]
50           b1 = mn. pixel att.                 b2 = s.d. pixel att.
51                b3 = min. pixel att.                b4 = max. pixel att.
52           Options: b1,b2,b3,b4
53
54       div=string[,string,...]
55           d1 = richness      d2 = Shannon     d3 = dominance      d4  =  inv.
56           Simpson
57           Options: d1,d2,d3,d4
58
59       te1=string
60           Texture method (choose only 1 method):
61                m1  =  2N-H           m2 = 2N-45       m3 = 2N-V          m4 =
62           2N-135    m5 = 4N-HV         m6 = 4N-DIAG     m7 = 8N
63           Options: m1,m2,m3,m4,m5,m6,m7
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65       te2=string[,string,...]
66           Texture measures (required if te1 was specified):
67                t1 = contagion           t2 = ang. sec.  mom.      t3  =  inv.
68           diff. mom.   t4 = entropy             t5 = contrast
69           Options: t1,t2,t3,t4,t5
70
71       jux=string[,string,...]
72           Juxtaposition measures (weight file in r.le.para needed):
73                j1 = mn. juxtaposition              j2 = s.d. juxtaposition
74           Options: j1,j2
75
76       edg=string[,string,...]
77           e1  =  sum  of  edges   e2  = sum of edges by type (need edge file:
78           r.le.para)
79           Options: e1,e2
80

DESCRIPTION

82       The r.le.pixel module contains a set of measures for attributes, diver‐
83       sity, texture, juxtaposition, and edge.
84

NOTES

86       Full  instructions  can  be  found in the r.le manual (see "REFERENCES"
87       section below) and the r.le.setup help page.
88

REFERENCES

90       Baker, W.L. and Y. Cai. 1992. The r.le programs for multiscale analysis
91       of landscape structure using the GRASS geographical information system.
92       Landscape Ecology 7(4):291-302.
93
94       The r.le manual: Quantitative analysis of landscape  structures  (GRASS
95       5; 2001)
96

SEE ALSO

98        r.le.patch, r.le.setup, r.le.trace
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AUTHOR

101       William  L.  Baker Department of Geography and Recreation University of
102       Wyoming Laramie, Wyoming 82071 U.S.A.
103
104       Last changed: $Date: 2006-10-06 05:31:41 +0200 (Fri, 06 Oct 2006) $
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106       Full index
107
108       © 2003-2008 GRASS Development Team
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112GRASS 6.3.0                                                      r.le.pixel(1)
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