org.das2.qds.ops.OpsParl
applyBinaryOp
applyBinaryOp( QDataSet ds1, QDataSet ds2, org.das2.qds.ops.OpsParl.BinaryOp op ) → MutablePropertyDataSet
apply the binary operator element-for-element of the two datasets, minding
dataset geometry, fill values, etc. The two datasets are coerced to
compatible geometry, if possible (e.g.Temperature[Time]+2deg), using
CoerceUtil.coerce. Structural metadata such as DEPEND_0 are preserved
where this is reasonable, and dimensional metadata such as UNITS are
dropped.
Parameters
ds1 - the first argument
ds2 - the second argument
op - binary operation for each pair of elements
Returns:
the result with the same geometry as the pair.
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applyBinaryOpNoIter
applyBinaryOpNoIter( QDataSet ds1, QDataSet ds2, org.das2.qds.ops.OpsParl.BinaryOp op ) → MutablePropertyDataSet
apply the binary operator element-for-element of the two datasets, minding
dataset geometry, fill values, etc. The two datasets are coerced to
compatible geometry, if possible (e.g.Temperature[Time]+2deg), using
CoerceUtil.coerce. Structural metadata such as DEPEND_0 are preserved
where this is reasonable, and dimensional metadata such as UNITS are
dropped.
This implementation avoids the use of DataSetIterators, which have been
shown to be slow. (But it's not known why.)
Parameters
ds1 - the first argument
ds2 - the second argument
op - binary operation for each pair of elements
Returns:
the result with the same geometry as the pair.
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applyBinaryOpParl
applyBinaryOpParl( QDataSet ds1, QDataSet ds2, org.das2.qds.ops.OpsParl.BinaryOp op ) → MutablePropertyDataSet
apply the binary operator element-for-element of the two datasets, minding
dataset geometry, fill values, etc. The two datasets are coerced to
compatible geometry, if possible (e.g.Temperature[Time]+2deg), using
CoerceUtil.coerce. Structural metadata such as DEPEND_0 are preserved
where this is reasonable, and dimensional metadata such as UNITS are
dropped.
This implementation runs the trivially parallelizable task on separate
threads.
Parameters
ds1 - the first argument
ds2 - the second argument
op - binary operation for each pair of elements
Returns:
the result with the same geometry as the pair.
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eq
eq( QDataSet ds1, QDataSet ds2 ) → QDataSet
element-wise equality test. 1.0 is returned where the two datasets are
equal. Fill is returned where either measurement is invalid.
Parameters
ds1 - rank n dataset
ds2 - rank m dataset with compatible geometry.
Returns:
rank n or m dataset.
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eq_noiter
eq_noiter( QDataSet ds1, QDataSet ds2 ) → QDataSet
element-wise equality test. 1.0 is returned where the two datasets are
equal. Fill is returned where either measurement is invalid.
Parameters
ds1 - rank n dataset
ds2 - rank m dataset with compatible geometry.
Returns:
rank n or m dataset.
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eq_parl
eq_parl( QDataSet ds1, QDataSet ds2 ) → QDataSet
element-wise equality test. 1.0 is returned where the two datasets are
equal. Fill is returned where either measurement is invalid.
Parameters
ds1 - rank n dataset
ds2 - rank m dataset with compatible geometry.
Returns:
rank n or m dataset.
[search for examples]
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[view on old javadoc]
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