NewContVar

Creates a new continuous variable.

Syntax

NewContVar(doc, frequency, mVmin, mVmax)

Parameters

Parameter	Type	Description
doc	documentReference	Reference to the document
frequency	number	Specifies the sampling frequency of the new variable (in Hz)
mVmin	number	Minimum of the values of the new variable (in milliVolts)
mVmax	number	Maximum of the values of the new variable (in milliVolts)

Return

Returns a reference to the new variable.

Note

When you use this function, NeuroExplorer will store the values of the new continuous variable as scaled 2-byte integers. Specifying minimum and maximum of the variable values helps to determine the correct scaling factor for the new variable.

It is recommended that you use nex.NewContVarWithFloats function instead of this function.

Examples

Python

import nex
import math
doc = nex.GetActiveDocument()
freq = 1000.
# create new variable in the file
doc["SinValues"] = nex.NewContVar(doc, freq,  - 500., 500.)
# add the values to the new variable
for i in range(1000):
    # timestamp
    ts = i / freq
    # value
    value = 500. * math.sin(ts)
    nex.AddContValue(doc["SinValues"], ts, value)

NexScript

doc = GetActiveDocument()
freq = 1000.
% create new variable in the file
doc["SinValues"] = NewContVar(doc, freq, -500.,500.)
% add the values to the new variable
for i = 1 to 10000
    % timestamp
    ts = i/freq
    % value
    value = 500.*sin(ts)
    AddContValue(doc["SinValues"], ts, value)
end