dish.base - Function

Perform a polynomial baseline fit, all in one function. An alternative step-by-step method is to use the nfit, setregion, bshape, and baseline functions

Synopsis
base(scanrec, order, range, action)

Description

Arguments

scanrec	SDRecord to fit
	Allowed:	boolean
	Default:	Currently displayed data
order	order of polynomial
	Allowed:	integer
	Default:	none
range	range for computing polynomial baseline
	Allowed:	string
	Default:	none
action	'subtract' or 'show'
	Allowed:	string
	Default:	'subtract'

Returns
Boolean if action='show'
SDRecord if action='subtract'

Example

mybl := d.base(order=2,action='subtract',range='[50:400],[1500:2000]')
                                        # This will perform a 2nd order poly.
                                        # fit to the currently displayed scan.

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	Package	dish
	Module	dish
	Tool	dish