binData

binData( QDataSet ds, DatumRange bin ) → QDataSet

increase the rank 1 data into rank 2 data by binning data. For example, byOrbit= binData( density, datumRange( 'orbit:rbspa-pp:3' ) )

Parameters

ds - rank 1 data with (time) tags
bin - datum range which is an example range

Returns:

rank 2 bins.

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binsWithin

binsWithin( QDataSet ds, QDataSet bounds ) → QDataSet

return non-zero where the bins of ds are within the bounds.

Parameters

ds - rank 2 bins dataset
bounds - a rank 1 bounding box.

Returns:

rank 1 dataset containing non-zero where the condition is true.

See Also:

within(QDataSet, QDataSet)


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binsWithout

binsWithout( QDataSet ds, QDataSet bounds ) → QDataSet

return non-zero where the bins of ds are outside of the bounds.

Parameters

ds - rank 2 bins dataset
bounds - a rank 1 bounding box.

Returns:

rank 1 dataset containing non-zero where the condition is true.

See Also:

binsWithin(QDataSet, QDataSet)


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bitwiseAnd

bitwiseAnd( QDataSet ds1, QDataSet ds2 ) → QDataSet

bitwise AND operator treats the data as (32-bit) integers, and returns the bit-wise AND.

Parameters

ds1 - a QDataSet
ds2 - a QDataSet

Returns:

bit-wise AND.

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bitwiseAnd( Object ds1, Object ds2 ) → QDataSet

bitwiseOr

bitwiseOr( QDataSet ds1, QDataSet ds2 ) → QDataSet

bitwise OR operator treats the data as (32-bit) integers, and returns the bit-wise OR.

Parameters

ds1 - a QDataSet
ds2 - a QDataSet

Returns:

bit-wise OR.

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bitwiseOr( Object ds1, Object ds2 ) → QDataSet

bitwiseXor

bitwiseXor( QDataSet ds1, QDataSet ds2 ) → QDataSet

bitwise XOR (exclusive or) operator treats the data as (32-bit) integers, and returns the bit-wise XOR. Note there is no bitwise not, and this is because there are no shorts, bytes. So to implement bitwise not for a 16 bit number you would have bitwiseXor( ds, dataset(2**16-1) ).

Parameters

ds1 - a QDataSet
ds2 - a QDataSet

Returns:

bit-wise XOR.

See Also:

not(QDataSet)


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bitwiseXor( Object ds1, Object ds2 ) → QDataSet

boundsDataset

boundsDataset( String s ) → QDataSet

This returns one of a bounds dataset:

2002-03-02/2002-03-03
2002-03-02
orbit:crres:6
5 to 50		rank 1 bounds (a datumRange)
2002-03-02/2002-03-03;5 to 50rank 2 bounding box
2002-03-02T01:01/2002-03-02T01:02;5 to 50 eV;90 to 180 degrank 2 bounding qube
Note dataset("5 to 50") presently parses to a rank 0 nominal dataset, not a rank 1 range.

Parameters

s - string representation of a dataset

Returns:

a rank 1 or rank 2 bounds dataset.

See Also:

datumRange(java.lang.Object)


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buckshotInterpolate

buckshotInterpolate( QDataSet xyz, QDataSet data, QDataSet xinterp, QDataSet yinterp, QDataSet zinterp ) → QDataSet

3-D interpolation performed by tesselating the space (with 4-point tetrahedra) and doing interpolation. NOTE: this does not check units.

Parameters

xyz - rank 2 bundle of x,y,z data.
data - rank 1 dependent data, a function of x,y,z.
xinterp - the x locations to interpolate, rank 0, 1, or 2.
yinterp - the y locations to interpolate
zinterp - the z locations to interpolate

Returns:

the interpolated data.

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buckshotInterpolate( QDataSet xy, QDataSet data, QDataSet xinterp, QDataSet yinterp ) → QDataSet

bundle

bundle( QDataSet ds ) → QDataSet

bundle the dataset, making an initial bundle, adding a bundle dimension.

Parameters

ds - a rank N dataset

Returns:

rank N+1 bundle dataset

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bundle( QDataSet ds1, QDataSet ds2 ) → QDataSet
bundle( QDataSet ds1, QDataSet ds2, QDataSet ds3 ) → QDataSet
bundle( QDataSet ds1, QDataSet ds2, QDataSet ds3, QDataSet ds4 ) → QDataSet
bundle( QDataSet ds1, QDataSet ds2, QDataSet ds3, QDataSet ds4, QDataSet ds5 ) → QDataSet
bundle( QDataSet ds1, QDataSet ds2, QDataSet ds3, QDataSet ds4, QDataSet ds5, QDataSet ds6 ) → QDataSet
bundle( QDataSet ds1, QDataSet ds2, QDataSet ds3, QDataSet ds4, QDataSet ds5, QDataSet ds6, QDataSet ds7 ) → QDataSet

butterworth

butterworth( QDataSet in, int order, Datum f, boolean lowp ) → QDataSet

Perform Butterworth filter for high pass or low pass.

Parameters

in - the rank 1 waveform or rank 2 waveform
order - the order of the filter (2,3,4)
f - the frequency, e.g. Units.hertz.createDatum(10)
lowp - true for low pass, false for high pass.

Returns:

the dataset in the same form.

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butterworth( QDataSet in, int order, Datum flow, Datum fhigh, boolean pass ) → QDataSet

bytarr

bytarr( int len0 ) → QDataSet

create a dataset filled with zeros, stored in unsigned bytes. Each element can contain numbers from 0 to 255.

Parameters

len0 - the zeroth dimension length

Returns:

rank 1 dataset filled with zeros.

See Also:

dblarr(int)


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bytarr( int len0, int len1 ) → QDataSet
bytarr( int len0, int len1, int len2 ) → QDataSet