r.le.pixel(1)

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,...]]
19
20   Flags:
21       -e  Output map 'edge' of edges given a '1' in r.le.para/edge file
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23       -u  Output maps 'units_x' with sampling units for each scale x
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25       -z  Output map 'zscores' with standardized scores
26
27   Parameters:
28       map=string
29           Raster map to be analyzed
30
31       sam=string
32           Sampling method (choose only 1 method):
33                w  =  whole  map      u = units        m = moving window   r =
34           regions Default: w
35
36       reg=string
37           Name of regions map, only when sam = r; omit otherwise
38
39       att=string[,string,...]
40           b1 = mn. pixel att.                 b2 = s.d. pixel att.
41                b3 = min. pixel  att.                 b4  =  max.  pixel  att.
42           Options: b1,b2,b3,b4
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44       div=string[,string,...]
45           d1  =  richness       d2 = Shannon     d3 = dominance     d4 = inv.
46           Simpson Options: d1,d2,d3,d4
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48       te1=string
49           Texture method (choose only 1 method):
50                m1 = 2N-H          m2 = 2N-45       m3 =  2N-V           m4  =
51           2N-135    m5  =  4N-HV          m6  =  4N-DIAG     m7 = 8N Options:
52           m1,m2,m3,m4,m5,m6,m7
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54       te2=string[,string,...]
55           Texture measures (required if te1 was specified):
56                t1 = contagion           t2 = ang. sec.  mom.      t3  =  inv.
57           diff.  mom.   t4  =  entropy              t5  =  contrast  Options:
58           t1,t2,t3,t4,t5
59
60       jux=string[,string,...]
61           Juxtaposition measures (weight file in r.le.para needed):
62                j1 = mn. juxtaposition              j2  =  s.d.  juxtaposition
63           Options: j1,j2
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65       edg=string[,string,...]
66           e1  =  sum  of  edges   e2  = sum of edges by type (need edge file:
67           r.le.para) Options: e1,e2
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DESCRIPTION

70       The r.le.pixel module contains a set of measures for attributes, diver‐
71       sity, texture, juxtaposition, and edge.
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NOTES

74       Full  instructions  can  be  found in the r.le manual (see "REFERENCES"
75       section below) and the r.le.setup help page.
76

REFERENCES

78       Baker, W.L. and Y. Cai. 1992. The r.le programs for multiscale analysis
79       of landscape structure using the GRASS geographical information system.
80       Landscape Ecology 7(4):291-302.
81
82       The r.le manual: Quantitative analysis of landscape  structures  (GRASS
83       5; 2001)
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AUTHOR

89       William  L.  Baker Department of Geography and Recreation University of
90       Wyoming Laramie, Wyoming 82071 U.S.A.
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92       Last changed: $Date: 2006/10/06 03:35:41 $
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94       Full index
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98GRASS 6.2.2                                                      r.le.pixel(1)