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<!-- <!DOCTYPE bookmark-list SYSTEM "http://emfisis.physics.uiowa.edu/pub/jy/filters/bookmarks.dtd"> -->
<!-- see https://tau.physics.uiowa.edu/rbsp_pub/jy/filters -->
<bookmark-list version="1.1">
<bookmark-folder>
<title>Filters</title>
<bookmark-list>
<bookmark-folder>
<title>Fourier Filtering</title>
<bookmark-list>
<bookmark>
<title>FFT Power Spectrum with sliding window </title>
<filter>|fftPower(512,2,'Hanning')</filter>
<description>Initializes the FFTPower filter</description>
</bookmark>
<bookmark>
<title>Hanning</title>
<filter>|hanning(128)</filter>
<description>Runs a Hanning window before taking the fft</description>
</bookmark>
<bookmark>
<title>FFT</title>
<filter>|fft()</filter>
<description>Returns real and imaginary components of Fourier transform</description>
</bookmark>
<bookmark>
<title>FFT and magnitude</title>
<filter>|fft()|magnitude()</filter>
<description>Returns real and imaginary components of Fourier transform, then take magnitude</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
<bookmark-folder>
<title>Data Set Operations</title>
<bookmark-list>
<bookmark>
<title>Collapse Zeroth Dimension</title>
<filter>|collapse0()</filter>
<description>Average over the zeroth dimension to reduce the dimensionality</description>
</bookmark>
<bookmark>
<title>Collapse First Dimension</title>
<filter>|collapse1()</filter>
<description>Average over the first dimension to reduce the dimensionality</description>
</bookmark>
<bookmark>
<title>Apply Index</title>
<filter>|applyIndex1(0)</filter>
<description>Extract a subset of the data, along an index.</description>
</bookmark>
<bookmark>
<title>Contour</title>
<filter>|contour(1,5)</filter>
<description>Initializes Contour Filter</description>
</bookmark>
<bookmark>
<title>dbAbovebackgroundDim1</title>
<filter>|dbAboveBackgroundDim1(10)</filter>
<description>Shows data as decibels above a specified percentile level</description>
</bookmark>
<bookmark>
<title>Detrend</title>
<filter>|detrend(10)</filter>
<description>Initializes Detrend Filter</description>
</bookmark>
<bookmark>
<title>Normalize</title>
<filter>|normalize()</filter>
<description>Normalize the data so that the maximum value is 1.</description>
</bookmark>
<bookmark>
<title>Grid</title>
<filter>|grid()</filter>
<description>Flattened n,3 data is formed into table of x[i],y[j]->z[i,j]. </description>
</bookmark>
<bookmark>
<title>Flatten</title>
<filter>|flatten()</filter>
<description>Flattens a rank 2 table. The result is a n,3 bundle dataset of [x,y,z]. </description>
</bookmark>
<bookmark>
<title>Flatten Waveform</title>
<filter>|flattenWaveform()</filter>
<description>Flattens a rank 2 waveform into a single-index dataset with DEPEND_0. </description>
</bookmark>
<bookmark>
<title>Histogram</title>
<filter>|histogram()</filter>
<description>Perform an "auto" histogram of the data that automatically sets bins</description>
</bookmark>
<bookmark>
<title>Histogram2d</title>
<filter>|histogram2d()</filter>
<description>Perform a 2-D histogram of X and Y to create a rank 2 table.</description>
</bookmark>
<bookmark>
<title>Reduce In Zeroth Dimension</title>
<filter>|reducex('1 hr')</filter>
<description>Reduces data to selected time/data intervals</description>
</bookmark>
<bookmark>
<title>Decimate</title>
<filter>|decimate(4)</filter>
<description>Keep every 4th measurement.</description>
</bookmark>
<bookmark>
<title>Slice0</title>
<filter>|slice0(0)</filter>
<description>Slice the zeroth dimension at selected index</description>
</bookmark>
<bookmark>
<title>Slice1</title>
<filter>|slice1(0)</filter>
<description>Slice the first dimension at selected index</description>
</bookmark>
<bookmark>
<title>Slices</title>
<filter>|slices(':')</filter>
<description>Slice several dimensions at once</description>
</bookmark>
<bookmark>
<title>Magnitude</title>
<filter>|magnitude()</filter>
<description>calculate the magnitude of the cartesian vectors.</description>
</bookmark>
<bookmark>
<title>Trim</title>
<filter>|trim(0,10)</filter>
<description>Trim the data to a smaller range</description>
</bookmark>
<bookmark>
<title>Smooth</title>
<filter>|smooth(5)</filter>
<description>Initializes Smooth Filter</description>
</bookmark>
<bookmark>
<title>Total Over a Dimension</title>
<filter>|total1()</filter>
<description>Totals over a dimension to reduce the dimensionality.</description>
</bookmark>
<bookmark>
<title>Transpose</title>
<filter>|transpose()</filter>
<description>Transpose the rank 2 dataset.</description>
</bookmark>
<bookmark>
<title>Polar to Cartesian</title>
<filter>|polarToCartesian()</filter>
<description>Rank 2 bundle of [ radius, angle, Z ] is converted to cartesian coordinates.</description>
</bookmark>
<bookmark>
<title>Unbundle</title>
<filter>|unbundle('Bx')</filter>
<description>Unbundles a component</description>
</bookmark>
<bookmark>
<title>Valid</title>
<filter>|valid()</filter>
<description>Replaces data with 1 where valid and 0 where invalid</description>
</bookmark>
<bookmark>
<title>Extent</title>
<filter>|extent()</filter>
<description>returns a range (min,max) for the data</description>
</bookmark>
<bookmark>
<title>Get Property</title>
<filter>|getProperty(DEPEND_0)</filter>
<description>Replace the dataset with one of its properties, for example DEPEND_0 to get its timetags.</description>
</bookmark>
<bookmark>
<title>Put Property</title>
<filter>|putProperty(VALID_MIN,-1e38)</filter>
<description>Insert a property value into a dataset's properties.</description>
</bookmark>
<bookmark>
<title>Set Valid Range</title>
<filter>|setValidRange('-1e38 to 1e38')</filter>
<description>Set the limits of the data.</description>
</bookmark>
<bookmark>
<title>Set Fill Value</title>
<filter>|setFillValue(-1e38)</filter>
<description>Set the numerical value marking invalid data.</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
<bookmark-folder>
<title>Mathematics</title>
<bookmark-list>
<bookmark-folder>
<title>Arithmetic</title>
<bookmark-list>
<bookmark>
<title>Absolute Value</title>
<filter>|abs()</filter>
<description>Takes absolute value of dataset</description>
</bookmark>
<bookmark>
<title>Accum</title>
<filter>|accum()</filter>
<description>Returns the running sum of a rank 1 dataSet</description>
</bookmark>
<bookmark>
<title>Add</title>
<filter>|add(0.)</filter>
<description>Add a scalar</description>
</bookmark>
<bookmark>
<title>Subtract</title>
<filter>|subtract(0.)</filter>
<description>Subtract a scalar</description>
</bookmark>
<bookmark>
<title>Divide</title>
<filter>|divide(2.)</filter>
<description>Divide by a scalar</description>
</bookmark>
<bookmark>
<title>Multiply</title>
<filter>|multiply(2.)</filter>
<description>Multiply by a scalar</description>
</bookmark>
<bookmark>
<title>Negate</title>
<filter>|negate()</filter>
<description>Flips the sign of the dataSet</description>
</bookmark>
<bookmark>
<title>Diff</title>
<filter>|diff()</filter>
<description> Returns the finite differences between adjacent elements in a rank 1 dataSet</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
<bookmark-folder>
<title>Log and Exp</title>
<bookmark-list>
<bookmark>
<title>Exponent</title>
<filter>|exp10()</filter>
<description>Takes the dataset, ds, to the given exponent [exp10() = pow(10,ds)]</description>
</bookmark>
<bookmark>
<title>Sqrt</title>
<filter>|sqrt()</filter>
<description>Takes the square root</description>
</bookmark>
<bookmark>
<title>Pow</title>
<filter>|pow(2)</filter>
<description>Takes the power(ds,n)</description>
</bookmark>
<bookmark>
<title>Log Base 10</title>
<filter>|log10()</filter>
<description>Takes the base-10 log of the data</description>
</bookmark>
<bookmark>
<title>Log Histogram</title>
<filter>|logHistogram()</filter>
<description>Perform the auto histogram in the log space</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
<bookmark-folder>
<title>Statistics</title>
<bookmark-list>
<bookmark>
<title>Detrend</title>
<filter>|detrend(5)</filter>
<description>Initializes Detrend Filter</description>
</bookmark>
<bookmark>
<title>Median Boxcar</title>
<filter>|medianFilter(5)</filter>
<description>Finds and returns the boxcar median of the dataset</description>
</bookmark>
<bookmark>
<title>Smooth</title>
<filter>|smooth(5)</filter>
<description>Finds and returns the boxcar average of a rank 1 dataSet</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
<bookmark-folder>
<title>Trigonometry</title>
<bookmark-list>
<bookmark>
<title>Cosine</title>
<filter>|cos()</filter>
<description>Finds the cosine of the dataset</description>
</bookmark>
<bookmark>
<title>Sine</title>
<filter>|sin()</filter>
<description>Finds the sine of the dataset</description>
</bookmark>
<bookmark>
<title>toDegrees</title>
<filter>|toDegrees()</filter>
<description>Converts from Radians to Degrees</description>
</bookmark>
<bookmark>
<title>toRadians</title>
<filter>|toRadians()</filter>
<description>Converts from Degrees to Radians</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
</bookmark-list>
</bookmark-folder>
<bookmark-folder>
<title>Signal Processing</title>
<bookmark-list>
<bookmark>
<title>Butterworth</title>
<filter>|butterworth(2,500,550,True)</filter>
<description>Initializes the Butterworth filter</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
<bookmark-folder>
<title>Units/Labeling</title>
<bookmark-list>
<bookmark>
<title>setUnits</title>
<filter>|setUnits('nT')</filter>
<description>Resets current units to new units</description>
</bookmark>
<bookmark>
<title>setDepend0Units</title>
<filter>|setDepend0Units('nT')</filter>
<description>Resets current DEPEND_0 units to new units</description>
</bookmark>
<bookmark>
<title>setDepend0Cadence</title>
<filter>|setDepend0Cadence('50s')</filter>
<description>Resets current DEPEND_0 cadence to new cadence (scalar and units)</description>
</bookmark>
<bookmark>
<title>setDepend1Cadence</title>
<filter>|setDepend1Cadence('50Hz')</filter>
<description>Resets current DEPEND_1 cadence to new cadence (scalar and units)</description>
</bookmark>
<bookmark>
<title>expandWaveform</title>
<filter>|expandWaveform()</filter>
<description>assign fake timetags for waveform data points so that gaps are filled.</description>
</bookmark>
<bookmark>
<title>expandToFillGaps</title>
<filter>|expandToFillGaps(0.9)</filter>
<description>assign fake timetags to spectral data so that gaps are filled.</description>
</bookmark>
</bookmark-list>
</bookmark-folder>
</bookmark-list>
</bookmark-folder>
</bookmark-list>