List of usage examples for java.lang Math log10
@HotSpotIntrinsicCandidate public static double log10(double a)
From source file:org.canova.api.util.MathUtils.java
/** * Term frequency: 1+ log10(count)//from w ww . ja va 2s . com * * @param count the count of a word or character in a given string or document * @return 1+ log(10) count */ public static double tf(int count) { return count > 0 ? 1 + Math.log10(count) : 0; }
From source file:main.java.utils.Utility.java
public static int rightPadding(int id, int value) { return ((int) Math.pow(10, Math.floor(Math.log10(value)) + 1) * id + value); }
From source file:SDRecord.java
private static String formatSize(long v) { if (v <= 0) return "0"; final String[] units = new String[] { "B", "KB", "MB", "GB", "TB", "PB", "EB" }; int digitGroups = (int) (Math.log10(v) / Math.log10(1000)); return new DecimalFormat("#,##0.00").format(v / Math.pow(1000, digitGroups)) + " " + units[digitGroups]; }
From source file:org.jax.bham.test.MultiHaplotypeBlockTestGraphPanel.java
private void cacheChromosomeTests(final int[] chromosomes) { List<Integer> chromosomesToCalculate = SequenceUtilities.toIntegerList(chromosomes); chromosomesToCalculate.removeAll(this.chromosomeToNegLogValueMap.keySet()); PerformSlidingWindowAssociationTestTask testTask = new PerformSlidingWindowAssociationTestTask( this.testToPlot, chromosomesToCalculate); MultiTaskProgressPanel progressTracker = BhamApplication.getInstance().getBhamFrame() .getMultiTaskProgress();/*from ww w . ja va 2 s. c o m*/ progressTracker.addTaskToTrack(testTask, true); while (testTask.hasMoreElements()) { int nextChromosome = testTask.getNextChromosome(); MultiHaplotypeBlockTestResult[] results = testTask.nextElement(); List<MultiHaplotypeBlockTestResult> filteredResults = OcclusionFilter .filterOutOccludedIntervals(Arrays.asList(results), true); RealValuedBasePairInterval[] negLogResults = new RealValuedBasePairInterval[filteredResults.size()]; for (int i = 0; i < negLogResults.length; i++) { negLogResults[i] = new CompositeRealValuedBasePairInterval( filteredResults.get(i).getDelegateInterval(), -Math.log10(filteredResults.get(i).getPValue())); } this.chromosomeToNegLogValueMap.put(nextChromosome, negLogResults); } }
From source file:org.esa.nest.gpf.ALOSCalibrator.java
/** * Called by the framework in order to compute a tile for the given target band. * <p>The default implementation throws a runtime exception with the message "not implemented".</p> * * @param targetBand The target band.//from w w w. j a v a 2 s . c o m * @param targetTile The current tile associated with the target band to be computed. * @param pm A progress monitor which should be used to determine computation cancelation requests. * @throws org.esa.beam.framework.gpf.OperatorException If an error occurs during computation of the target raster. */ public void computeTile(Band targetBand, Tile targetTile, ProgressMonitor pm) throws OperatorException { final Rectangle targetTileRectangle = targetTile.getRectangle(); final int x0 = targetTileRectangle.x; final int y0 = targetTileRectangle.y; final int w = targetTileRectangle.width; final int h = targetTileRectangle.height; Tile sourceRaster1 = null; ProductData srcData1 = null; ProductData srcData2 = null; Band sourceBand1 = null; final String[] srcBandNames = targetBandNameToSourceBandName.get(targetBand.getName()); if (srcBandNames.length == 1) { sourceBand1 = sourceProduct.getBand(srcBandNames[0]); sourceRaster1 = calibrationOp.getSourceTile(sourceBand1, targetTileRectangle); srcData1 = sourceRaster1.getDataBuffer(); } else { sourceBand1 = sourceProduct.getBand(srcBandNames[0]); final Band sourceBand2 = sourceProduct.getBand(srcBandNames[1]); sourceRaster1 = calibrationOp.getSourceTile(sourceBand1, targetTileRectangle); final Tile sourceRaster2 = calibrationOp.getSourceTile(sourceBand2, targetTileRectangle); srcData1 = sourceRaster1.getDataBuffer(); srcData2 = sourceRaster2.getDataBuffer(); } final Unit.UnitType bandUnit = Unit.getUnitType(sourceBand1); // copy band if unit is phase if (bandUnit == Unit.UnitType.PHASE) { targetTile.setRawSamples(sourceRaster1.getRawSamples()); return; } final ProductData trgData = targetTile.getDataBuffer(); final TileIndex srcIndex = new TileIndex(sourceRaster1); final TileIndex tgtIndex = new TileIndex(targetTile); final int maxY = y0 + h; final int maxX = x0 + w; double dn = 0, dn2 = 0, sigma, i, q; int srcIdx, tgtIdx; for (int y = y0; y < maxY; ++y) { srcIndex.calculateStride(y); tgtIndex.calculateStride(y); for (int x = x0; x < maxX; ++x) { srcIdx = srcIndex.getIndex(x); tgtIdx = tgtIndex.getIndex(x); if (bandUnit == Unit.UnitType.AMPLITUDE) { dn = srcData1.getElemDoubleAt(srcIdx); dn2 = dn * dn; } else if (bandUnit == Unit.UnitType.INTENSITY) { dn2 = srcData1.getElemDoubleAt(srcIdx); } else if (bandUnit == Unit.UnitType.REAL || bandUnit == Unit.UnitType.IMAGINARY) { if (outputImageInComplex) { dn = srcData1.getElemDoubleAt(srcIdx); } else { i = srcData1.getElemDoubleAt(srcIdx); q = srcData2.getElemDoubleAt(srcIdx); dn2 = i * i + q * q; } } else { throw new OperatorException("ALOS Calibration: unhandled unit"); } if (isComplex && outputImageInComplex) { sigma = dn * Math.sqrt(calibrationFactor); } else { sigma = dn2 * calibrationFactor; } if (outputImageScaleInDb) { // convert calibration result to dB if (sigma < underFlowFloat) { sigma = -underFlowFloat; } else { sigma = 10.0 * Math.log10(sigma); } } trgData.setElemDoubleAt(tgtIdx, sigma); } } }
From source file:com.bhbsoft.videoconference.record.convert.util.FlvFileHelper.java
public static String getHumanSize(long size) { if (size <= 0) return "0"; final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" }; int digitGroups = (int) (Math.log10(size) / Math.log10(1024)); return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups]; }
From source file:asl.util.PlotMaker2.java
public void writePlot(String fileName) { //System.out.format("== plotTitle=[%s] fileName=[%s]\n", plotTitle, fileName); File outputFile = new File(fileName); // Check that we will be able to output the file without problems and if not --> return if (!checkFileOut(outputFile)) { System.out.format("== plotMaker: request to output plot=[%s] but we are unable to create it " + " --> skip plot\n", fileName); return;/*from w w w. ja v a 2 s . c o m*/ } NumberAxis horizontalAxis = new NumberAxis("x-axis default"); // x = domain if (fileName.contains("nlnm") || fileName.contains("coher") || fileName.contains("stn")) { // NLNM or StationDeviation horizontalAxis = new LogarithmicAxis("Period (sec)"); horizontalAxis.setRange(new Range(1, 11000)); horizontalAxis.setTickUnit(new NumberTickUnit(5.0)); } else { // EventCompareSynthetics/StrongMotion horizontalAxis = new NumberAxis("Time (s)"); double x[] = panels.get(0).getTraces().get(0).getxData(); horizontalAxis.setRange(new Range(x[0], x[x.length - 1])); } CombinedDomainXYPlot combinedPlot = new CombinedDomainXYPlot(horizontalAxis); combinedPlot.setGap(15.); // Loop over (3) panels for this plot: for (Panel panel : panels) { NumberAxis verticalAxis = new NumberAxis("y-axis default"); // y = range if (fileName.contains("nlnm") || fileName.contains("stn")) { // NLNM or StationDeviation verticalAxis = new NumberAxis("PSD 10log10(m**2/s**4)/Hz dB"); verticalAxis.setRange(new Range(-190, -95)); verticalAxis.setTickUnit(new NumberTickUnit(5.0)); } else if (fileName.contains("coher")) { // Coherence verticalAxis = new NumberAxis("Coherence, Gamma"); verticalAxis.setRange(new Range(0, 1.2)); verticalAxis.setTickUnit(new NumberTickUnit(0.1)); } else { // EventCompareSynthetics/StrongMotion verticalAxis = new NumberAxis("Displacement (m)"); } Font fontPlain = new Font("Verdana", Font.PLAIN, 14); Font fontBold = new Font("Verdana", Font.BOLD, 18); verticalAxis.setLabelFont(fontBold); verticalAxis.setTickLabelFont(fontPlain); horizontalAxis.setLabelFont(fontBold); horizontalAxis.setTickLabelFont(fontPlain); XYSeriesCollection seriesCollection = new XYSeriesCollection(); XYLineAndShapeRenderer renderer = new XYLineAndShapeRenderer(); XYPlot xyplot = new XYPlot((XYDataset) seriesCollection, horizontalAxis, verticalAxis, renderer); xyplot.setDomainGridlinesVisible(true); xyplot.setRangeGridlinesVisible(true); xyplot.setRangeGridlinePaint(Color.black); xyplot.setDomainGridlinePaint(Color.black); // Plot each trace on this panel: int iTrace = 0; for (Trace trace : panel.getTraces()) { XYSeries series = new XYSeries(trace.getName()); double xdata[] = trace.getxData(); double ydata[] = trace.getyData(); for (int k = 0; k < xdata.length; k++) { series.add(xdata[k], ydata[k]); } renderer.setSeriesPaint(iTrace, trace.getColor()); renderer.setSeriesStroke(iTrace, trace.getStroke()); renderer.setSeriesLinesVisible(iTrace, true); renderer.setSeriesShapesVisible(iTrace, false); seriesCollection.addSeries(series); iTrace++; } // Add Annotations for each trace - This is done in a separate loop so that // the upper/lower limits for this panel will be known double xmin = horizontalAxis.getRange().getLowerBound(); double xmax = horizontalAxis.getRange().getUpperBound(); double ymin = verticalAxis.getRange().getLowerBound(); double ymax = verticalAxis.getRange().getUpperBound(); double delX = Math.abs(xmax - xmin); double delY = Math.abs(ymax - ymin); // Annotation (x,y) in normalized units - where upper-right corner = (1,1) double xAnn = 0.97; // Right center coords of the trace name (e.g., "00-LHZ") double yAnn = 0.95; double yOff = 0.05; // Vertical distance between different trace legends iTrace = 0; for (Trace trace : panel.getTraces()) { if (!trace.getName().contains("NLNM") && !trace.getName().contains("NHNM")) { // x1 > x2 > x3, e.g.: // o-------o 00-LHZ // x3 x2 x1 double scale = .01; // Controls distance between trace label and line segment double xL = .04; // Length of trace line segment in legend double xAnn2 = xAnn - scale * trace.getName().length(); double xAnn3 = xAnn - scale * trace.getName().length() - xL; double x1 = xAnn * delX + xmin; // Right hand x-coord of text in range units double x2 = xAnn2 * delX + xmin; // x-coord of line segment end in range units double x3 = xAnn3 * delX + xmin; // x-coord of line segment end in range units double y = (yAnn - (iTrace * yOff)) * delY + ymin; if (horizontalAxis instanceof LogarithmicAxis) { double logMin = Math.log10(xmin); double logMax = Math.log10(xmax); delX = logMax - logMin; x1 = Math.pow(10, xAnn * delX + logMin); x2 = Math.pow(10, xAnn2 * delX + logMin); x3 = Math.pow(10, xAnn3 * delX + logMin); } xyplot.addAnnotation(new XYLineAnnotation(x3, y, x2, y, trace.getStroke(), trace.getColor())); XYTextAnnotation xyText = new XYTextAnnotation(trace.getName(), x1, y); xyText.setFont(new Font("Verdana", Font.BOLD, 18)); xyText.setTextAnchor(TextAnchor.CENTER_RIGHT); xyplot.addAnnotation(xyText); } iTrace++; } combinedPlot.add(xyplot, 1); } // panel final JFreeChart chart = new JFreeChart(combinedPlot); chart.setTitle(new TextTitle(plotTitle, new Font("Verdana", Font.BOLD, 18))); chart.removeLegend(); try { ChartUtilities.saveChartAsPNG(outputFile, chart, 1400, 1400); } catch (IOException e) { System.err.println("Problem occurred creating chart."); } }
From source file:io.github.dsheirer.spectrum.SpectrumPanel.java
/** * Sets the source sample size in bits which defines the lowest dB value to * display in the spectrum//from www. ja v a 2s .c o m * * @param sampleSize in bits */ public void setSampleSize(double sampleSize) { Validate.isTrue(2.0 <= sampleSize && sampleSize <= 32.0); mDBScale = (float) (20.0 * Math.log10(Math.pow(2.0, sampleSize - 1))); }
From source file:asl.plotmaker.PlotMaker2.java
public void writePlot(String fileName) { // System.out.format("== plotTitle=[%s] fileName=[%s]\n", plotTitle, // fileName); File outputFile = new File(fileName); // Check that we will be able to output the file without problems and if // not --> return if (!checkFileOut(outputFile)) { // System.out.format("== plotMaker: request to output plot=[%s] but we are unable to create it " // + " --> skip plot\n", fileName ); logger.warn("== Request to output plot=[{}] but we are unable to create it " + " --> skip plot\n", fileName);//from www . j a v a 2 s .co m return; } NumberAxis horizontalAxis = new NumberAxis("x-axis default"); // x = // domain if (fileName.contains("alnm") || fileName.contains("nlnm") || fileName.contains("coher") || fileName.contains("stn")) { // NLNM or StationDeviation horizontalAxis = new LogarithmicAxis("Period (sec)"); horizontalAxis.setRange(new Range(1, 11000)); horizontalAxis.setTickUnit(new NumberTickUnit(5.0)); } else { // EventCompareSynthetics/StrongMotion horizontalAxis = new NumberAxis("Time (s)"); double x[] = panels.get(0).getTraces().get(0).getxData(); horizontalAxis.setRange(new Range(x[0], x[x.length - 1])); } CombinedDomainXYPlot combinedPlot = new CombinedDomainXYPlot(horizontalAxis); combinedPlot.setGap(15.); // Loop over (3) panels for this plot: for (Panel panel : panels) { NumberAxis verticalAxis = new NumberAxis("y-axis default"); // y = // range if (fileName.contains("alnm") || fileName.contains("nlnm") || fileName.contains("stn")) { // NLNM // or // StationDeviation verticalAxis = new NumberAxis("PSD 10log10(m**2/s**4)/Hz dB"); verticalAxis.setRange(new Range(-190, -80)); verticalAxis.setTickUnit(new NumberTickUnit(5.0)); } else if (fileName.contains("coher")) { // Coherence verticalAxis = new NumberAxis("Coherence, Gamma"); verticalAxis.setRange(new Range(0, 1.2)); verticalAxis.setTickUnit(new NumberTickUnit(0.1)); } else { // EventCompareSynthetics/StrongMotion verticalAxis = new NumberAxis("Displacement (m)"); } Font fontPlain = new Font("Verdana", Font.PLAIN, 14); Font fontBold = new Font("Verdana", Font.BOLD, 18); verticalAxis.setLabelFont(fontBold); verticalAxis.setTickLabelFont(fontPlain); horizontalAxis.setLabelFont(fontBold); horizontalAxis.setTickLabelFont(fontPlain); XYSeriesCollection seriesCollection = new XYSeriesCollection(); XYDotRenderer renderer = new XYDotRenderer(); XYPlot xyplot = new XYPlot(seriesCollection, horizontalAxis, verticalAxis, renderer); xyplot.setDomainGridlinesVisible(true); xyplot.setRangeGridlinesVisible(true); xyplot.setRangeGridlinePaint(Color.black); xyplot.setDomainGridlinePaint(Color.black); // Plot each trace on this panel: int iTrace = 0; for (Trace trace : panel.getTraces()) { XYSeries series = new XYSeries(trace.getName()); double xdata[] = trace.getxData(); double ydata[] = trace.getyData(); for (int k = 0; k < xdata.length; k++) { series.add(xdata[k], ydata[k]); } renderer.setSeriesPaint(iTrace, trace.getColor()); renderer.setSeriesStroke(iTrace, trace.getStroke()); seriesCollection.addSeries(series); iTrace++; } // Add Annotations for each trace - This is done in a separate loop // so that // the upper/lower limits for this panel will be known double xmin = horizontalAxis.getRange().getLowerBound(); double xmax = horizontalAxis.getRange().getUpperBound(); double ymin = verticalAxis.getRange().getLowerBound(); double ymax = verticalAxis.getRange().getUpperBound(); double delX = Math.abs(xmax - xmin); double delY = Math.abs(ymax - ymin); // Annotation (x,y) in normalized units - where upper-right corner = // (1,1) double xAnn = 0.97; // Right center coords of the trace name (e.g., // "00-LHZ") double yAnn = 0.95; double yOff = 0.05; // Vertical distance between different trace // legends iTrace = 0; for (Trace trace : panel.getTraces()) { if (!trace.getName().contains("NLNM") && !trace.getName().contains("NHNM") && !trace.getName().contains("ALNM")) { // x1 > x2 > x3, e.g.: // o-------o 00-LHZ // x3 x2 x1 double scale = .01; // Controls distance between trace label // and line segment double xL = .04; // Length of trace line segment in legend double xAnn2 = xAnn - scale * trace.getName().length(); double xAnn3 = xAnn - scale * trace.getName().length() - xL; double x1 = xAnn * delX + xmin; // Right hand x-coord of // text in range units double x2 = xAnn2 * delX + xmin; // x-coord of line segment // end in range units double x3 = xAnn3 * delX + xmin; // x-coord of line segment // end in range units double y = (yAnn - (iTrace * yOff)) * delY + ymin; if (horizontalAxis instanceof LogarithmicAxis) { double logMin = Math.log10(xmin); double logMax = Math.log10(xmax); delX = logMax - logMin; x1 = Math.pow(10, xAnn * delX + logMin); x2 = Math.pow(10, xAnn2 * delX + logMin); x3 = Math.pow(10, xAnn3 * delX + logMin); } xyplot.addAnnotation(new XYLineAnnotation(x3, y, x2, y, trace.getStroke(), trace.getColor())); XYTextAnnotation xyText = new XYTextAnnotation(trace.getName(), x1, y); xyText.setFont(new Font("Verdana", Font.BOLD, 18)); xyText.setTextAnchor(TextAnchor.CENTER_RIGHT); xyplot.addAnnotation(xyText); } iTrace++; } combinedPlot.add(xyplot, 1); } // panel final JFreeChart chart = new JFreeChart(combinedPlot); chart.setTitle(new TextTitle(plotTitle, new Font("Verdana", Font.BOLD, 18))); chart.removeLegend(); try { ChartUtilities.saveChartAsPNG(outputFile, chart, 1400, 1400); } catch (IOException e) { // System.err.println("Problem occurred creating chart."); logger.error("IOException:", e); } }
From source file:com.joptimizer.algebra.MatrixLogSumRescaler.java
/** * Check if the scaling algorithm returned proper results. * Note that the scaling algorithm is for minimizing a given objective function of the original matrix elements, and * the check will be done on the value of this objective function. * @param A the ORIGINAL (before scaling) matrix * @param U the return of the scaling algorithm * @param V the return of the scaling algorithm * @param base//from ww w. ja v a 2 s . c om * @return */ public boolean checkScaling(final DoubleMatrix2D A, final DoubleMatrix1D U, final DoubleMatrix1D V) { final double log10_2 = Math.log10(base); final double[] originalOFValue = { 0 }; final double[] scaledOFValue = { 0 }; final double[] x = new double[A.rows()]; final double[] y = new double[A.columns()]; A.forEachNonZero(new IntIntDoubleFunction() { public double apply(int i, int j, double aij) { double v = Math.log10(Math.abs(aij)) / log10_2 + 0.5; originalOFValue[0] = originalOFValue[0] + Math.pow(v, 2); double xi = Math.log10(U.getQuick(i)) / log10_2; double yj = Math.log10(V.getQuick(j)) / log10_2; scaledOFValue[0] = scaledOFValue[0] + Math.pow(xi + yj + v, 2); x[i] = xi; y[j] = yj; return aij; } }); originalOFValue[0] = 0.5 * originalOFValue[0]; scaledOFValue[0] = 0.5 * scaledOFValue[0]; logger.debug("x: " + ArrayUtils.toString(x)); logger.debug("y: " + ArrayUtils.toString(y)); logger.debug("originalOFValue: " + originalOFValue[0]); logger.debug("scaledOFValue : " + scaledOFValue[0]); return !(originalOFValue[0] < scaledOFValue[0]); }