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public static String format(float[] f) { return (f == null) ? "null" : (f.length == 0) ? "" : // formatTo(new StringBuilder(), f, ", ").toString(); }
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public static String format(int[] a, String sep) { return (a == null) ? "null" : (a.length == 0) ? "" : // formatTo(new StringBuilder(), a, sep).toString(); }
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public static String format(boolean[] b, final String sep) { return (b == null) ? "null" : (b.length == 0) ? "" : // formatTo(new StringBuilder(), b, ", ").toString(); }
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public static String format(double[][] d) { return d == null ? "null" : (d.length == 0) ? "[]" : // formatTo(new StringBuilder().append("[\n"), d, " [", "]\n", ", ", NF2).append(']').toString(); }
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public static String format(double[][] m, int w, int d, String pre, String pos, String csep) { DecimalFormat format = new DecimalFormat(); format.setDecimalFormatSymbols(new DecimalFormatSymbols(Locale.US)); format.setMinimumIntegerDigits(1); format.setMaximumFractionDigits(d); format.setMinimumFrac...
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public static String format(double[][] m, NumberFormat nf) { return formatTo(new StringBuilder().append("[\n"), m, " [", "]\n", ", ", nf).append("]").toString(); }
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public static String format(Collection<String> d, String sep) { if(d == null) { return "null"; } if(d.isEmpty()) { return ""; } if(d.size() == 1) { return d.iterator().next(); } int len = sep.length() * (d.size() - 1); for(String s : d) { len += s.length(); } ...
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public static String format(String[] d, String sep) { if(d == null) { return "null"; } if(d.length == 0) { return ""; } if(d.length == 1) { return d[0]; } int len = sep.length() * (d.length - 1); for(String s : d) { len += s.length(); } StringBuilder buffe...
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public static int findSplitpoint(String s, int width) { // the newline (or EOS) is the fallback split position. int in = s.indexOf(NEWLINE); in = in < 0 ? s.length() : in; // Good enough? if(in < width) { return in; } // otherwise, search for whitespace int iw = s.lastIndexOf(' ', ...
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public static List<String> splitAtLastBlank(String s, int width) { List<String> chunks = new ArrayList<>(); String tmp = s; while(tmp.length() > 0) { int index = findSplitpoint(tmp, width); // store first part chunks.add(tmp.substring(0, index)); // skip whitespace at beginning of l...
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public static String pad(String o, int len) { return o.length() >= len ? o : (o + whitespace(len - o.length())); }
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public static String padRightAligned(String o, int len) { return o.length() >= len ? o : (whitespace(len - o.length()) + o); }
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public static String formatTimeDelta(long time, CharSequence sep) { final StringBuilder sb = new StringBuilder(); final Formatter fmt = new Formatter(sb); for(int i = TIME_UNIT_SIZES.length - 1; i >= 0; --i) { // We do not include ms if we are in the order of minutes. if(i == 0 && sb.length() >...
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public static StringBuilder appendZeros(StringBuilder buf, int zeros) { for(int i = zeros; i > 0; i -= ZEROPADDING.length) { buf.append(ZEROPADDING, 0, i < ZEROPADDING.length ? i : ZEROPADDING.length); } return buf; }
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public static StringBuilder appendSpace(StringBuilder buf, int spaces) { for(int i = spaces; i > 0; i -= SPACEPADDING.length) { buf.append(SPACEPADDING, 0, i < SPACEPADDING.length ? i : SPACEPADDING.length); } return buf; }
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protected void makeLayerElement() { plotwidth = StyleLibrary.SCALE; plotheight = StyleLibrary.SCALE / optics.getOPTICSPlot(context).getRatio(); final double margin = context.getStyleLibrary().getSize(StyleLibrary.MARGIN); layer = SVGUtil.svgElement(svgp.getDocument(), SVGConstants.SVG_G_TAG); final ...
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protected List<Centroid> computeCentroids(int dim, List<V> vectorcolumn, List<ClassLabel> keys, Map<ClassLabel, IntList> classes) { final int numc = keys.size(); List<Centroid> centroids = new ArrayList<>(numc); for(int i = 0; i < numc; i++) { Centroid c = new Centroid(dim); for(IntIterator it =...
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protected double kNNDistance() { double knnDist = 0.; for(int i = 0; i < getNumEntries(); i++) { MkMaxEntry entry = getEntry(i); knnDist = Math.max(knnDist, entry.getKnnDistance()); } return knnDist; }
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@Override public boolean adjustEntry(MkMaxEntry entry, DBID routingObjectID, double parentDistance, AbstractMTree<O, MkMaxTreeNode<O>, MkMaxEntry, ?> mTree) { super.adjustEntry(entry, routingObjectID, parentDistance, mTree); // adjust knn distance entry.setKnnDistance(kNNDistance()); return true; // T...
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@Override protected void integrityCheckParameters(MkMaxEntry parentEntry, MkMaxTreeNode<O> parent, int index, AbstractMTree<O, MkMaxTreeNode<O>, MkMaxEntry, ?> mTree) { super.integrityCheckParameters(parentEntry, parent, index, mTree); // test if knn distance is correctly set MkMaxEntry entry = parent.get...
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@Override public void initialize() { if(databaseConnection == null) { return; // Supposedly we initialized already. } if(LOG.isDebugging()) { LOG.debugFine("Loading data from database connection."); } MultipleObjectsBundle bundle = databaseConnection.loadData(); // Run at most once...
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protected void zSort(List<? extends SpatialComparable> objs, int start, int end, double[] mms, int[] dims, int depth) { final int numdim = (dims != null) ? dims.length : (mms.length >> 1); final int edim = (dims != null) ? dims[depth] : depth; // Find the splitting points. final double min = mms[2 * edi...
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public StringBuilder appendTo(StringBuilder buf) { return buf.append(DBIDUtil.toString((DBIDRef) id)).append(" ").append(column).append(" ").append(score); }
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protected Cluster<SubspaceModel> runDOC(Database database, Relation<V> relation, ArrayModifiableDBIDs S, final int d, int n, int m, int r, int minClusterSize) { // Best cluster for the current run. DBIDs C = null; // Relevant attributes for the best cluster. long[] D = null; // Quality of the best c...
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protected DBIDs findNeighbors(DBIDRef q, long[] nD, ArrayModifiableDBIDs S, Relation<V> relation) { // Weights for distance (= rectangle query) DistanceQuery<V> dq = relation.getDistanceQuery(new SubspaceMaximumDistanceFunction(nD)); // TODO: add filtering capabilities into query API! // Until then, us...
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protected Cluster<SubspaceModel> makeCluster(Relation<V> relation, DBIDs C, long[] D) { DBIDs ids = DBIDUtil.newHashSet(C); // copy, also to lose distance values! Cluster<SubspaceModel> cluster = new Cluster<>(ids); cluster.setModel(new SubspaceModel(new Subspace(D), Centroid.make(relation, ids).getArrayRef...
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protected static <M extends Model> int[] findDepth(Clustering<M> c) { final Hierarchy<Cluster<M>> hier = c.getClusterHierarchy(); int[] size = { 0, 0 }; for(It<Cluster<M>> iter = c.iterToplevelClusters(); iter.valid(); iter.advance()) { findDepth(hier, iter.get(), size); } return size; }
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private static <M extends Model> void findDepth(Hierarchy<Cluster<M>> hier, Cluster<M> cluster, int[] size) { if(hier.numChildren(cluster) > 0) { for(It<Cluster<M>> iter = hier.iterChildren(cluster); iter.valid(); iter.advance()) { findDepth(hier, iter.get(), size); } size[0] += 1; // Dept...
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protected static int getPreferredColumns(double width, double height, int numc, double maxwidth) { // Maximum width (compared to height) of labels - guess. // FIXME: do we really need to do this three-step computation? // Number of rows we'd use in a squared layout: final double rows = Math.ceil(FastMat...
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public ELKIBuilder<T> with(String opt, Object value) { p.addParameter(opt, value); return this; }
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@SuppressWarnings("unchecked") public <C extends T> C build() { if(p == null) { throw new AbortException("build() may be called only once."); } final T obj = ClassGenericsUtil.parameterizeOrAbort(clazz, p); if(p.hasUnusedParameters()) { LOG.warning("Unused parameters: " + p.getRemainingPar...
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protected static double[][] randomInitialSolution(final int size, final int dim, Random random) { double[][] sol = new double[size][dim]; for(int i = 0; i < size; i++) { for(int j = 0; j < dim; j++) { sol[i][j] = random.nextGaussian() * INITIAL_SOLUTION_SCALE; } } return sol; }
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protected double sqDist(double[] v1, double[] v2) { assert (v1.length == v2.length) : "Lengths do not agree: " + v1.length + " " + v2.length; double sum = 0; for(int i = 0; i < v1.length; i++) { final double diff = v1[i] - v2[i]; sum += diff * diff; } ++projectedDistances; return sum...
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protected void updateSolution(double[][] sol, double[] meta, int it) { final double mom = (it < momentumSwitch && initialMomentum < finalMomentum) ? initialMomentum : finalMomentum; final int dim3 = dim * 3; for(int i = 0, off = 0; i < sol.length; i++, off += dim3) { final double[] sol_i = sol[i]; ...
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private int getOffset(int x, int y) { return (y < x) ? (triangleSize(x) + y) : (triangleSize(y) + x); }
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@Override public double getWeight(double distance, double max, double stddev) { if(stddev <= 0) { return 1; } double scaleddistance = distance / (scaling * stddev); // After this, the result would be negative. if(scaleddistance >= 1.0) { return 0.0; } return 1.0 - scaleddistanc...
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public OPTICSPlot getOPTICSPlot(VisualizerContext context) { if(plot == null) { plot = OPTICSPlot.plotForClusterOrder(clusterOrder, context); } return plot; }
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public void setValue(boolean val) { try { super.setValue(Boolean.valueOf(val)); } catch(ParameterException e) { // We're pretty sure that any Boolean is okay, so this should never be // reached. throw new AbortException("Flag did not accept boolean value!", e); } }
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public OutlierResult run(Database database, Relation<O> relation) { StepProgress stepprog = LOG.isVerbose() ? new StepProgress(5) : null; Pair<KNNQuery<O>, KNNQuery<O>> pair = getKNNQueries(database, relation, stepprog); KNNQuery<O> knnComp = pair.getFirst(); KNNQuery<O> knnReach = pair.getSecond(); ...
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protected void computePDists(Relation<O> relation, KNNQuery<O> knn, WritableDoubleDataStore pdists) { // computing PRDs FiniteProgress prdsProgress = LOG.isVerbose() ? new FiniteProgress("pdists", relation.size(), LOG) : null; for(DBIDIter iditer = relation.iterDBIDs(); iditer.valid(); iditer.advance()) { ...
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protected double computePLOFs(Relation<O> relation, KNNQuery<O> knn, WritableDoubleDataStore pdists, WritableDoubleDataStore plofs) { FiniteProgress progressPLOFs = LOG.isVerbose() ? new FiniteProgress("PLOFs for objects", relation.size(), LOG) : null; double nplof = 0.; for(DBIDIter iditer = relation.iterD...
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@SuppressWarnings("unchecked") public final void writeObject(TextWriterStream out, String label, Object object) throws IOException { write(out, label, (O) object); }
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@Override public int filter(double[] eigenValues) { // determine sum of eigenvalues double totalSum = 0; for(int i = 0; i < eigenValues.length; i++) { totalSum += eigenValues[i]; } double expectedVariance = totalSum / eigenValues.length * walpha; // determine strong and weak eigenpairs ...
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public static List<OutlierResult> getOutlierResults(Result r) { if(r instanceof OutlierResult) { List<OutlierResult> ors = new ArrayList<>(1); ors.add((OutlierResult) r); return ors; } if(r instanceof HierarchicalResult) { return ResultUtil.filterResults(((HierarchicalResult) r).getH...
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double evaluateBy(ScoreEvaluation eval) { return eval.evaluate(new DBIDsTest(DBIDUtil.ensureSet(scores.getDBIDs())), new OutlierScoreAdapter(this)); }
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public double distance(double[] v1, double[] v2) { final int dim1 = v1.length, dim2 = v2.length; final int mindim = dim1 < dim2 ? dim1 : dim2; double agg = preDistance(v1, v2, 0, mindim); if(dim1 > mindim) { agg += preNorm(v1, mindim, dim1); } else if(dim2 > mindim) { agg += preNorm(...
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private void computeWeights(Node node) { int wsum = 0; for(Node child : node.children) { computeWeights(child); wsum += child.weight; } node.weight = Math.max(1, wsum); }
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@Override public void processNewResult(ResultHierarchy hier, Result result) { // Get all new clusterings // TODO: handle clusterings added later, too. Can we update the result? List<Clustering<?>> clusterings = Clustering.getClusteringResults(result); // Abort if not enough clusterings to compare ...
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public double getPartialMinDist(int dimension, int vp) { final int qp = queryApprox.getApproximation(dimension); if(vp < qp) { return lookup[dimension][vp + 1]; } else if(vp > qp) { return lookup[dimension][vp]; } else { return 0.0; } }
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public double getMinDist(VectorApproximation vec) { final int dim = lookup.length; double minDist = 0; for(int d = 0; d < dim; d++) { final int vp = vec.getApproximation(d); minDist += getPartialMinDist(d, vp); } return FastMath.pow(minDist, onebyp); }
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public double getPartialMaxDist(int dimension, int vp) { final int qp = queryApprox.getApproximation(dimension); if(vp < qp) { return lookup[dimension][vp]; } else if(vp > qp) { return lookup[dimension][vp + 1]; } else { return Math.max(lookup[dimension][vp], lookup[dimension][...
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private void initializeLookupTable(double[][] splitPositions, NumberVector query, double p) { final int dimensions = splitPositions.length; final int bordercount = splitPositions[0].length; lookup = new double[dimensions][bordercount]; for(int d = 0; d < dimensions; d++) { final double val = query...
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protected void makeStyleResult(StyleLibrary stylelib) { final Database db = ResultUtil.findDatabase(hier); stylelibrary = stylelib; List<Clustering<? extends Model>> clusterings = Clustering.getClusteringResults(db); if(!clusterings.isEmpty()) { stylepolicy = new ClusterStylingPolicy(clusterings.g...
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@Override public void contentChanged(DataStoreEvent e) { for(int i = 0; i < listenerList.size(); i++) { listenerList.get(i).contentChanged(e); } }
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private void notifyFactories(Object item) { for(VisualizationProcessor f : factories) { try { f.processNewResult(this, item); } catch(Throwable e) { LOG.warning("VisFactory " + f.getClass().getCanonicalName() + " failed:", e); } } }
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protected int chooseBulkSplitPoint(int numEntries, int minEntries, int maxEntries) { if(numEntries < minEntries) { throw new IllegalArgumentException("numEntries < minEntries!"); } if(numEntries <= maxEntries) { return numEntries; } else if(numEntries < maxEntries + minEntries) { ...
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protected <T> List<List<T>> trivialPartition(List<T> objects, int minEntries, int maxEntries) { // build partitions final int size = objects.size(); final int numberPartitions = (int) Math.ceil(((double) size) / maxEntries); List<List<T>> partitions = new ArrayList<>(numberPartitions); int start = 0...
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protected Relation<?>[] alignColumns(ObjectBundle pack) { // align representations. Relation<?>[] targets = new Relation<?>[pack.metaLength()]; long[] used = BitsUtil.zero(relations.size()); for(int i = 0; i < targets.length; i++) { SimpleTypeInformation<?> meta = pack.meta(i); // TODO: aggr...
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private Relation<?> addNewRelation(SimpleTypeInformation<?> meta) { @SuppressWarnings("unchecked") SimpleTypeInformation<Object> ometa = (SimpleTypeInformation<Object>) meta; Relation<?> relation = new MaterializedRelation<>(ometa, ids); relations.add(relation); getHierarchy().add(this, relation); ...
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private void doDelete(DBIDRef id) { // Remove id ids.remove(id); // Remove from all representations. for(Relation<?> relation : relations) { // ID has already been removed, and this would loop... if(relation == idrep) { continue; } if(!(relation instanceof ModifiableRelat...
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private ArrayDBIDs greedy(DistanceQuery<V> distFunc, DBIDs sampleSet, int m, Random random) { ArrayModifiableDBIDs medoids = DBIDUtil.newArray(m); ArrayModifiableDBIDs s = DBIDUtil.newArray(sampleSet); DBIDArrayIter iter = s.iter(); DBIDVar m_i = DBIDUtil.newVar(); int size = s.size(); // Move...
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private ArrayDBIDs initialSet(DBIDs sampleSet, int k, Random random) { return DBIDUtil.ensureArray(DBIDUtil.randomSample(sampleSet, k, random)); }
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private ArrayDBIDs computeM_current(DBIDs m, DBIDs m_best, DBIDs m_bad, Random random) { ArrayModifiableDBIDs m_list = DBIDUtil.newArray(m); m_list.removeDBIDs(m_best); DBIDArrayMIter it = m_list.iter(); ArrayModifiableDBIDs m_current = DBIDUtil.newArray(); for(DBIDIter iter = m_best.iter(); iter.v...
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private long[][] findDimensions(ArrayDBIDs medoids, Relation<V> database, DistanceQuery<V> distFunc, RangeQuery<V> rangeQuery) { // get localities DataStore<DBIDs> localities = getLocalities(medoids, distFunc, rangeQuery); // compute x_ij = avg distance from points in l_i to medoid m_i final int dim = ...
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private List<Pair<double[], long[]>> findDimensions(ArrayList<PROCLUSCluster> clusters, Relation<V> database) { // compute x_ij = avg distance from points in c_i to c_i.centroid final int dim = RelationUtil.dimensionality(database); final int numc = clusters.size(); double[][] averageDistances = new dou...
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private List<DoubleIntInt> computeZijs(double[][] averageDistances, final int dim) { List<DoubleIntInt> z_ijs = new ArrayList<>(averageDistances.length * dim); for(int i = 0; i < averageDistances.length; i++) { double[] x_i = averageDistances[i]; // y_i double y_i = 0; for(int j = 0; j <...
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private long[][] computeDimensionMap(List<DoubleIntInt> z_ijs, final int dim, final int numc) { // mapping cluster index -> dimensions long[][] dimensionMap = new long[numc][((dim - 1) >> 6) + 1]; int max = Math.max(k * l, 2); for(int m = 0; m < max; m++) { DoubleIntInt z_ij = z_ijs.get(m); ...
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private ArrayList<PROCLUSCluster> assignPoints(ArrayDBIDs m_current, long[][] dimensions, Relation<V> database) { ModifiableDBIDs[] clusterIDs = new ModifiableDBIDs[dimensions.length]; for(int i = 0; i < m_current.size(); i++) { clusterIDs[i] = DBIDUtil.newHashSet(); } DBIDArrayIter m_i = m_curre...
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private List<PROCLUSCluster> finalAssignment(List<Pair<double[], long[]>> dimensions, Relation<V> database) { Map<Integer, ModifiableDBIDs> clusterIDs = new HashMap<>(); for(int i = 0; i < dimensions.size(); i++) { clusterIDs.put(i, DBIDUtil.newHashSet()); } for(DBIDIter it = database.iterDBIDs()...
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private double manhattanSegmentalDistance(NumberVector o1, double[] o2, long[] dimensions) { double result = 0; int card = 0; for(int d = BitsUtil.nextSetBit(dimensions, 0); d >= 0; d = BitsUtil.nextSetBit(dimensions, d + 1)) { result += Math.abs(o1.doubleValue(d) - o2[d]); ++card; } ret...
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private double evaluateClusters(ArrayList<PROCLUSCluster> clusters, long[][] dimensions, Relation<V> database) { double result = 0; for(int i = 0; i < dimensions.length; i++) { PROCLUSCluster c_i = clusters.get(i); double[] centroid_i = c_i.centroid; long[] dims_i = dimensions[i]; doubl...
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private double avgDistance(double[] centroid, DBIDs objectIDs, Relation<V> database, int dimension) { Mean avg = new Mean(); for(DBIDIter iter = objectIDs.iter(); iter.valid(); iter.advance()) { V o = database.get(iter); avg.put(Math.abs(centroid[dimension] - o.doubleValue(dimension))); } re...
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private DBIDs computeBadMedoids(ArrayDBIDs m_current, ArrayList<PROCLUSCluster> clusters, int threshold) { ModifiableDBIDs badMedoids = DBIDUtil.newHashSet(m_current.size()); int i = 0; for(DBIDIter it = m_current.iter(); it.valid(); it.advance(), i++) { PROCLUSCluster c_i = clusters.get(i); if(...
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public static Bit valueOf(String bit) throws NumberFormatException { final int i = ParseUtil.parseIntBase10(bit); if(i != 0 && i != 1) { throw new NumberFormatException("Input \"" + bit + "\" must be 0 or 1."); } return (i > 0) ? TRUE : FALSE; }
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public ChangePoints run(Relation<DoubleVector> relation) { if(!(relation.getDBIDs() instanceof ArrayDBIDs)) { throw new AbortException("This implementation may only be used on static databases, with ArrayDBIDs to provide a clear order."); } return new Instance(rnd.getSingleThreadedRandom()).run(relati...
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public static void cusum(double[] data, double[] out, int begin, int end) { assert (out.length >= data.length); // Use Kahan summation for better precision! // FIXME: this should be unit tested. double m = 0., carry = 0.; for(int i = begin; i < end; i++) { double v = data[i] - carry; // Compen...
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public static DoubleIntPair bestChangeInMean(double[] sums, int begin, int end) { final int len = end - begin, last = end - 1; final double suml = begin > 0 ? sums[begin - 1] : 0.; final double sumr = sums[last]; int bestpos = begin; double bestscore = Double.NEGATIVE_INFINITY; // Iterate eleme...
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public static void shuffle(double[] bstrap, int len, Random rnd) { int i = len; while(i > 0) { final int r = rnd.nextInt(i); --i; // Swap double tmp = bstrap[r]; bstrap[r] = bstrap[i]; bstrap[i] = tmp; } }
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@SuppressWarnings("unchecked") public T get(double coord) { if(coord == Double.NEGATIVE_INFINITY) { return getSpecial(0); } if(coord == Double.POSITIVE_INFINITY) { return getSpecial(1); } if(Double.isNaN(coord)) { return getSpecial(2); } int bin = getBinNr(coord); if(...
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protected void loadCache(int size, InputStream in) throws IOException { // Expect a sparse matrix here cache = new Long2FloatOpenHashMap(size * 20); cache.defaultReturnValue(Float.POSITIVE_INFINITY); min = Integer.MAX_VALUE; max = Integer.MIN_VALUE; parser.parse(in, new DistanceCacheWriter() { ...
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public Element svgElement(String name, String cssclass) { Element elem = SVGUtil.svgElement(document, name); if(cssclass != null) { elem.setAttribute(SVGConstants.SVG_CLASS_ATTRIBUTE, cssclass); } return elem; }
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public Element svgRect(double x, double y, double w, double h) { return SVGUtil.svgRect(document, x, y, w, h); }
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public Element svgCircle(double cx, double cy, double r) { return SVGUtil.svgCircle(document, cx, cy, r); }
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public Element svgLine(double x1, double y1, double x2, double y2) { return SVGUtil.svgLine(document, x1, y1, x2, y2); }
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public SVGPoint elementCoordinatesFromEvent(Element tag, Event evt) { return SVGUtil.elementCoordinatesFromEvent(document, tag, evt); }
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public void addCSSClassOrLogError(CSSClass cls) { try { cssman.addClass(cls); } catch(CSSNamingConflict e) { LoggingUtil.exception(e); } }
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public void updateStyleElement() { // TODO: this should be sufficient - why does Batik occasionally not pick up // the changes unless we actually replace the style element itself? // cssman.updateStyleElement(document, style); Element newstyle = cssman.makeStyleElement(document); style.getParentNode...
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public void saveAsSVG(File file) throws IOException, TransformerFactoryConfigurationError, TransformerException { OutputStream out = new BufferedOutputStream(new FileOutputStream(file)); // TODO embed linked images. javax.xml.transform.Result result = new StreamResult(out); SVGDocument doc = cloneDocume...
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protected void transcode(File file, Transcoder transcoder) throws IOException, TranscoderException { // Disable validation, performance is more important here (thumbnails!) transcoder.addTranscodingHint(XMLAbstractTranscoder.KEY_XML_PARSER_VALIDATING, Boolean.FALSE); SVGDocument doc = cloneDocument(); T...
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protected SVGDocument cloneDocument() { return (SVGDocument) new CloneInlineImages() { @Override public Node cloneNode(Document doc, Node eold) { // Skip elements with noexport attribute set if(eold instanceof Element) { Element eeold = (Element) eold; String vis = ee...
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public void saveAsPDF(File file) throws IOException, TranscoderException, ClassNotFoundException { try { Object t = Class.forName("org.apache.fop.svg.PDFTranscoder").newInstance(); transcode(file, (Transcoder) t); } catch(InstantiationException | IllegalAccessException e) { throw new Class...
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public void saveAsPNG(File file, int width, int height) throws IOException, TranscoderException { PNGTranscoder t = new PNGTranscoder(); t.addTranscodingHint(PNGTranscoder.KEY_WIDTH, new Float(width)); t.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, new Float(height)); transcode(file, t); }
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public void saveAsANY(File file, int width, int height, float quality) throws IOException, TranscoderException, TransformerFactoryConfigurationError, TransformerException, ClassNotFoundException { String extension = FileUtil.getFilenameExtension(file); if("svg".equals(extension)) { saveAsSVG(file); } ...
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public BufferedImage makeAWTImage(int width, int height) throws TranscoderException { ThumbnailTranscoder t = new ThumbnailTranscoder(); t.addTranscodingHint(PNGTranscoder.KEY_WIDTH, new Float(width)); t.addTranscodingHint(PNGTranscoder.KEY_HEIGHT, new Float(height)); // Don't clone. Assume this is used...
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public void dumpDebugFile() { try { File f = File.createTempFile("elki-debug", ".svg"); f.deleteOnExit(); this.saveAsSVG(f); LoggingUtil.warning("Saved debug file to: " + f.getAbsolutePath()); } catch(Throwable err) { // Ignore. } }
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public void putIdElement(String id, Element obj) { objWithId.put(id, new WeakReference<>(obj)); }
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public Element getIdElement(String id) { WeakReference<Element> ref = objWithId.get(id); return (ref != null) ? ref.get() : null; }
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protected ScoreResult computeScore(DBIDs ids, DBIDs outlierIds, OutlierResult or) throws IllegalStateException { if(scaling instanceof OutlierScaling) { OutlierScaling oscaling = (OutlierScaling) scaling; oscaling.prepare(or); } final ScalingFunction innerScaling; // If we have useful (fini...
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@Override protected Cluster<SubspaceModel> runDOC(Database database, Relation<V> relation, ArrayModifiableDBIDs S, int d, int n, int m, int r, int minClusterSize) { // Relevant attributes of highest cardinality. long[] D = null; // The seed point for the best dimensions. DBIDVar dV = DBIDUtil.newVar()...
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public static SVGPath drawDelaunay(Projection2D proj, List<SweepHullDelaunay2D.Triangle> delaunay, List<double[]> means) { final SVGPath path = new SVGPath(); for(SweepHullDelaunay2D.Triangle del : delaunay) { path.moveTo(proj.fastProjectDataToRenderSpace(means.get(del.a))); path.drawTo(proj.fastPro...
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