NAME

m.qcalc - Creates tables, performs conversions, and performs simple math calculations.
(SCS GRASS Data Import/Processing Program)

SYNOPSIS

m.qcalc
m.qcalc help
m.qcalc [ -sahcm] init=value [end=value] [incr=value] [unit=name]

DESCRIPTION

This program
  1. allows a user to create a table of cell sizes, showing how many square feet, acres, and hectares each cell would represent.
  2. allows a user to create a table of acreage sizes, showing how many square feet, hectares, and what cell size would be represented.
  3. allows a user to create a table of hectare sizes, showing how many square feet, acres, and what cell size would represented.
  4. allows a user to convert values among feet, meters, miles, and kilometers.
  5. allows a user to use the UNIX bc simple math calculator.

COMMAND LINE OPTIONS

Flags:

-s
Create a cell size table.
-a
Create an acres size table.
-h
Create a hectares size table.
-c
Convert value to user-stated units.
-m
Perform a math calculation.

Parameters:

init=value
Initial value.
end=value
Ending value.
incr=value
Increment value.
unit=name
Units of measure.
Options: ft, mt, mi, km

EXAMPLE

The command:

g.qcalc -s init=100 end=400 incr=100

produces the following table: 

	Cell Size	Sq.Ft.   Acres   Hectares
	100 x 100    107639.31	  2.47       1.00
	200 x 200    430557.23	  9.88       4.00
	300 x 300    968753.77	 22.24       9.00
	400 x 400   1722228.93	 39.54      16.00
The command:

g.qcalc -c init=100 unit=ft

produces the following: 

	Feet	Meters	Miles	Kilometers
	100.0	30.4	0.02	0.03

AUTHOR

R.L.Glenn, USDA, SCS, NHQ-CGIS