1r3.mapcalculator(1) Grass User's Manual r3.mapcalculator(1)
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6 r3.mapcalculator - Calculates new grid3D volume from r3.mapcalc
7 expression.
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11 r3.mapcalculator
12 r3.mapcalculator help
13 r3.mapcalculator [-eo] [agrid=string] [bgrid=string]
14 [cgrid=string] [dgrid=string] [egrid=string] [fgrid=string] for‐
15 mula=string outfile=string [help=string] [--verbose] [--quiet]
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17 Flags:
18 -e
19 Expert mode (enter a set of r3.mapcalc expressions)
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21 -o
22 Do not overwrite existing map
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24 --verbose
25 Verbose module output
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27 --quiet
28 Quiet module output
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30 Parameters:
31 agrid=string
32 A (grid3D file)
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34 bgrid=string
35 B (grid3D file)
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37 cgrid=string
38 C (grid3D file)
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40 dgrid=string
41 D (grid3D file)
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43 egrid=string
44 E (grid3D file)
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46 fgrid=string
47 F (grid3D file)
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49 formula=string
50 Formula (e.g. A-B or A*C+B)
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52 outfile=string
53 Name for output grid3D volume
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55 help=string
56 Show help
57 Options: -,help,man
58 Default: -
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61 r3.mapcalculator Provides a GUI frontend to r3.mapcalc. Up to 5 maps
62 can be combined using simple expressions. Enter an r3.mapcalc expres‐
63 sion in the formula field using the format: A+C or exp(A+C)+(B-2)*7
64 where A, B, C are grid3D volumes entered in the A field, B field, and C
65 field. Do not enter output file in the formula field: correct: A+B;
66 incorrect: newfile = A+B. Use no spaces or blanks. Expert mode runs
67 r.mapcalc for more complex expressions.
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70 r.mapcalc,
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73 Michael Barton, Arizona State University. Based on r.mapcalculator by
74 R. Brunzema (r.brunzema@web.de)
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76 Last changed: $Date: 2004-08-17 22:30:24 +0200 (Tue, 17 Aug 2004) $
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78 Full index
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80 © 2003-2008 GRASS Development Team
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84GRASS 6.3.0 r3.mapcalculator(1)