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r3.mapcalculator: Calculates new grid3D volume from r3.mapcalc expression.


r3.mapcalculator - Calculates new grid3D volume from r3.mapcalc expression.
r3.mapcalculator r3.mapcalculator help r3.mapcalculator [-eo] [agrid=string] [bgrid=string] [cgrid=string] [dgrid=string] [egrid=string] [fgrid=string] formula=string outfile=string [help=string] [--verbose] [--quiet] Flags: -e Expert mode (enter a set of r3.mapcalc expressions) -o Do not overwrite existing map --verbose Verbose module output --quiet Quiet module output Parameters: agrid=string A (grid3D file) bgrid=string B (grid3D file) cgrid=string C (grid3D file) dgrid=string D (grid3D file) egrid=string E (grid3D file) fgrid=string F (grid3D file) formula=string Formula (e.g. A-B or A*C+B) outfile=string Name for output grid3D volume help=string Show help Options: -,help,man Default: -


r3.mapcalculator Provides a GUI frontend to r3.mapcalc. Up to 5 maps can be combined using simple expressions. Enter an r3.mapcalc expression in the formula field using the format: A+C or exp(A+C)+(B-2)*7 where A, B, C are grid3D volumes entered in the A field, B field, and C field. Do not enter output file in the formula field: correct: A+B; incorrect: newfile = A+B. Use no spaces or blanks. Expert mode runs r.mapcalc for more complex expressions.




Michael Barton, Arizona State University. Based on r.mapcalculator by R. Brunzema (r.brunzema@web.de) Last changed: $Date: 2004-08-17 22:30:24 +0200 (Tue, 17 Aug 2004) $ Full index (C) 2003-2010 GRASS Development Team R3.MAPCALCULATOR(1)

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