idx int64 0 165k | question stringlengths 73 4.15k | target stringlengths 5 918 | len_question int64 21 890 | len_target int64 3 255 |
|---|---|---|---|---|
16,900 | public static List < LasCell > getLasCells ( ASpatialDb db , Envelope envelope , Geometry exactGeometry , boolean doPosition , boolean doIntensity , boolean doReturns , boolean doTime , boolean doColor , int limitTo ) throws Exception { List < LasCell > lasCells = new ArrayList <> ( ) ; String sql = "SELECT " + COLUMN_... | Query the las cell table . | 642 | 6 |
16,901 | public static List < LasCell > getLasCells ( ASpatialDb db , Geometry geometry , boolean doPosition , boolean doIntensity , boolean doReturns , boolean doTime , boolean doColor ) throws Exception { List < LasCell > lasCells = new ArrayList <> ( ) ; String sql = "SELECT " + COLUMN_GEOM + "," + COLUMN_ID + "," + COLUMN_S... | Query the las cell table on a geometry intersection . | 512 | 10 |
16,902 | public ValidationResult check ( Feature feature ) { result = new ValidationResult ( ) ; if ( feature == null ) { return result ; } List < Qualifier > collectionDateQualifiers = feature . getQualifiers ( Qualifier . COLLECTION_DATE_QUALIFIER_NAME ) ; if ( collectionDateQualifiers . isEmpty ( ) ) { return result ; } for ... | DD - Mmm - YY | 441 | 7 |
16,903 | public static OSType getOperatingSystemType ( ) { if ( detectedOS == null ) { String OS = System . getProperty ( "os.name" , "generic" ) . toLowerCase ( Locale . ENGLISH ) ; if ( ( OS . indexOf ( "mac" ) >= 0 ) || ( OS . indexOf ( "darwin" ) >= 0 ) ) { detectedOS = OSType . MacOS ; } else if ( OS . indexOf ( "win" ) >=... | detect the operating system from the os . name System property and cache the result | 166 | 16 |
16,904 | public static Point2D [ ] calculateGisModelCircle ( Point2D c , double r ) { Point2D [ ] pts = new Point2D [ 360 ] ; int angulo = 0 ; for ( angulo = 0 ; angulo < 360 ; angulo ++ ) { pts [ angulo ] = new Point2D . Double ( c . getX ( ) , c . getY ( ) ) ; pts [ angulo ] . setLocation ( pts [ angulo ] . getX ( ) + r * Mat... | This method calculates an array of Point2D that represents a circle . The distance between it points is 1 angular unit | 168 | 23 |
16,905 | public static Point2D [ ] calculateGisModelBulge ( Point2D [ ] newPts , double [ ] bulges ) { Vector ptspol = new Vector ( ) ; Point2D init = new Point2D . Double ( ) ; Point2D end = new Point2D . Double ( ) ; for ( int j = 0 ; j < newPts . length ; j ++ ) { init = newPts [ j ] ; if ( j != newPts . length - 1 ) end = n... | This method applies an array of bulges to an array of Point2D that defines a polyline . The result is a polyline with the input points with the addition of the points that define the new arcs added to the polyline | 404 | 47 |
16,906 | public byte [ ] seal ( byte [ ] nonce , byte [ ] plaintext ) { final XSalsa20Engine xsalsa20 = new XSalsa20Engine ( ) ; final Poly1305 poly1305 = new Poly1305 ( ) ; // initialize XSalsa20 xsalsa20 . init ( true , new ParametersWithIV ( new KeyParameter ( key ) , nonce ) ) ; // generate Poly1305 subkey final byte [ ] sk... | Encrypt a plaintext using the given key and nonce . | 259 | 13 |
16,907 | public Optional < byte [ ] > open ( byte [ ] nonce , byte [ ] ciphertext ) { final XSalsa20Engine xsalsa20 = new XSalsa20Engine ( ) ; final Poly1305 poly1305 = new Poly1305 ( ) ; // initialize XSalsa20 xsalsa20 . init ( false , new ParametersWithIV ( new KeyParameter ( key ) , nonce ) ) ; // generate mac subkey final b... | Decrypt a ciphertext using the given key and nonce . | 382 | 13 |
16,908 | public byte [ ] nonce ( ) { final byte [ ] nonce = new byte [ NONCE_SIZE ] ; final SecureRandom random = new SecureRandom ( ) ; random . nextBytes ( nonce ) ; return nonce ; } | Generates a random nonce . | 50 | 7 |
16,909 | public byte [ ] nonce ( byte [ ] message ) { final byte [ ] n1 = new byte [ 16 ] ; final byte [ ] n2 = new byte [ 16 ] ; final SecureRandom random = new SecureRandom ( ) ; random . nextBytes ( n1 ) ; random . nextBytes ( n2 ) ; final Blake2bDigest blake2b = new Blake2bDigest ( key , NONCE_SIZE , n1 , n2 ) ; blake2b . u... | Generates a random nonce which is guaranteed to be unique even if the process s PRNG is exhausted or compromised . | 151 | 24 |
16,910 | public Object get ( int row , int col ) { return ( dstore == null ) ? null : dstore . get ( row , col ) ; } | Returns the data of this objects row and column cell . | 32 | 11 |
16,911 | public static boolean go_downstream ( int [ ] colRow , double flowdirection ) { int n = ( int ) flowdirection ; if ( n == 10 ) { return true ; } else if ( n < 1 || n > 9 ) { return false ; } else { colRow [ 1 ] += DIR [ n ] [ 0 ] ; colRow [ 0 ] += DIR [ n ] [ 1 ] ; return true ; } } | Moves one pixel downstream . | 92 | 6 |
16,912 | public static boolean sourcesNet ( RandomIter flowIterator , int [ ] colRow , int num , RandomIter netNum ) { int [ ] [ ] dir = { { 0 , 0 , 0 } , { 1 , 0 , 5 } , { 1 , - 1 , 6 } , { 0 , - 1 , 7 } , { - 1 , - 1 , 8 } , { - 1 , 0 , 1 } , { - 1 , 1 , 2 } , { 0 , 1 , 3 } , { 1 , 1 , 4 } } ; if ( flowIterator . getSampleDou... | Controls if the considered point is a source in the network map . | 288 | 14 |
16,913 | public static double [ ] vectorizeDoubleMatrix ( RenderedImage input ) { double [ ] U = new double [ input . getWidth ( ) * input . getHeight ( ) ] ; RandomIter inputRandomIter = RandomIterFactory . create ( input , null ) ; int j = 0 ; for ( int i = 0 ; i < input . getHeight ( ) * input . getWidth ( ) ; i = i + input ... | Takes a input raster and vectorializes it . | 182 | 12 |
16,914 | public static double calculateNthMoment ( double [ ] values , int validValues , double mean , double momentOrder , IHMProgressMonitor pm ) { double moment = 0.0 ; double n = 0.0 ; if ( momentOrder == 1.0 ) { for ( int i = 0 ; i < validValues ; i ++ ) { if ( ! isNovalue ( values [ i ] ) ) { moment += values [ i ] ; n ++... | Calculates the nth moment of a set of values . | 319 | 13 |
16,915 | public static WritableRaster extractSubbasins ( WritableRandomIter flowIter , RandomIter netIter , WritableRandomIter netNumberIter , int rows , int cols , IHMProgressMonitor pm ) { for ( int r = 0 ; r < rows ; r ++ ) { for ( int c = 0 ; c < cols ; c ++ ) { if ( ! isNovalue ( netIter . getSampleDouble ( c , r , 0 ) ) )... | Extract the subbasins of a raster map . | 437 | 12 |
16,916 | public static void markHillSlopeWithLinkValue ( RandomIter flowIter , RandomIter attributeIter , WritableRandomIter markedIter , int cols , int rows , IHMProgressMonitor pm ) { pm . beginTask ( "Marking the hillslopes with the channel value..." , rows ) ; for ( int r = 0 ; r < rows ; r ++ ) { for ( int c = 0 ; c < cols... | Marks a map on the hillslope with the values on the channel of an attribute map . | 513 | 20 |
16,917 | public static boolean isSourcePixel ( RandomIter flowIter , int col , int row ) { double flowDirection = flowIter . getSampleDouble ( col , row , 0 ) ; if ( flowDirection < 9.0 && flowDirection > 0.0 ) { for ( int k = 1 ; k <= 8 ; k ++ ) { if ( flowIter . getSampleDouble ( col + dirIn [ k ] [ 1 ] , row + dirIn [ k ] [ ... | Verifies if the point is a source pixel in the supplied flow raster . | 132 | 16 |
16,918 | public static double width_interpolate ( double [ ] [ ] data , double x , int nx , int ny ) { int rows = data . length ; double xuno = 0 , xdue = 0 , yuno = 0 , ydue = 0 , y = 0 ; // if 0, interpolate between 0 and the first value of data if ( x >= 0 && x < data [ 0 ] [ nx ] ) { xuno = 0 ; xdue = data [ 0 ] [ nx ] ; yu... | Linear interpolation between two values | 412 | 7 |
16,919 | public static double henderson ( double [ ] [ ] data , int tp ) { int rows = data . length ; int j = 1 , n = 0 ; double dt = 0 , muno , mdue , a , b , x , y , ydue , s_uno , s_due , smax = 0 , tstar ; for ( int i = 1 ; i < rows ; i ++ ) { if ( data [ i ] [ 0 ] + tp <= data [ ( rows - 1 ) ] [ 0 ] ) { /** * ***trovo para... | Interpolates the width function in a given tp . | 535 | 12 |
16,920 | public static double gamma ( double x ) { double tmp = ( x - 0.5 ) * log ( x + 4.5 ) - ( x + 4.5 ) ; double ser = 1.0 + 76.18009173 / ( x + 0 ) - 86.50532033 / ( x + 1 ) + 24.01409822 / ( x + 2 ) - 1.231739516 / ( x + 3 ) + 0.00120858003 / ( x + 4 ) - 0.00000536382 / ( x + 5 ) ; double gamma = exp ( tmp + log ( ser * s... | The Gamma function . | 146 | 4 |
16,921 | public static WritableRaster sumDownstream ( RandomIter flowIter , RandomIter mapToSumIter , int width , int height , Double upperThreshold , Double lowerThreshold , IHMProgressMonitor pm ) { final int [ ] point = new int [ 2 ] ; WritableRaster summedMapWR = CoverageUtilities . createWritableRaster ( width , height , n... | Calculates the sum of the values of a specified quantity from every point to the outlet . | 754 | 19 |
16,922 | public static double [ ] calcInverseSunVector ( double [ ] sunVector ) { double m = Math . max ( Math . abs ( sunVector [ 0 ] ) , Math . abs ( sunVector [ 1 ] ) ) ; return new double [ ] { - sunVector [ 0 ] / m , - sunVector [ 1 ] / m , - sunVector [ 2 ] / m } ; } | Calculating the inverse of the sun vector . | 83 | 10 |
16,923 | public static double [ ] calcNormalSunVector ( double [ ] sunVector ) { double [ ] normalSunVector = new double [ 3 ] ; normalSunVector [ 2 ] = Math . sqrt ( Math . pow ( sunVector [ 0 ] , 2 ) + Math . pow ( sunVector [ 1 ] , 2 ) ) ; normalSunVector [ 0 ] = - sunVector [ 0 ] * sunVector [ 2 ] / normalSunVector [ 2 ] ; ... | Calculating the normal to the sun vector . | 129 | 10 |
16,924 | public static double scalarProduct ( double [ ] a , double [ ] b ) { double c = 0 ; for ( int i = 0 ; i < a . length ; i ++ ) { c = c + a [ i ] * b [ i ] ; } return c ; } | Compute the dot product . | 59 | 6 |
16,925 | public static WritableRaster calculateFactor ( int h , int w , double [ ] sunVector , double [ ] inverseSunVector , double [ ] normalSunVector , WritableRaster demWR , double dx ) { double casx = 1e6 * sunVector [ 0 ] ; double casy = 1e6 * sunVector [ 1 ] ; int f_i = 0 ; int f_j = 0 ; if ( casx <= 0 ) { f_i = 0 ; } els... | Evaluate the shadow map calling the shadow method . | 297 | 11 |
16,926 | private static WritableRaster shadow ( int i , int j , WritableRaster tmpWR , WritableRaster demWR , double res , double [ ] normalSunVector , double [ ] inverseSunVector ) { int n = 0 ; double zcompare = - Double . MAX_VALUE ; double dx = ( inverseSunVector [ 0 ] * n ) ; double dy = ( inverseSunVector [ 1 ] * n ) ; in... | Evaluate the shadow map . | 509 | 7 |
16,927 | public static double meanDoublematrixColumn ( double [ ] [ ] matrix , int column ) { double mean ; mean = 0 ; int length = matrix . length ; for ( int i = 0 ; i < length ; i ++ ) { mean += matrix [ i ] [ column ] ; } return mean / length ; } | Return the mean of a column of a matrix . | 66 | 10 |
16,928 | public static double varianceDoublematrixColumn ( double [ ] [ ] matrix , int column , double mean ) { double variance ; variance = 0 ; for ( int i = 0 ; i < matrix . length ; i ++ ) { variance += ( matrix [ i ] [ column ] - mean ) * ( matrix [ i ] [ column ] - mean ) ; } return variance / matrix . length ; } | Return the variance of a column of a matrix . | 82 | 10 |
16,929 | public static double sumDoublematrixColumns ( int coolIndex , double [ ] [ ] matrixToSum , double [ ] [ ] resultMatrix , int firstRowIndex , int lastRowIndex , IHMProgressMonitor pm ) { double maximum ; maximum = 0 ; if ( matrixToSum . length != resultMatrix . length ) { pm . errorMessage ( msg . message ( "trentoP.err... | Sum columns . | 337 | 3 |
16,930 | public Long getRelativePosition ( Long position ) { long relativePosition = 0L ; for ( Location location : locations ) { if ( location instanceof RemoteLocation ) { relativePosition += location . getLength ( ) ; } else { if ( position < location . getBeginPosition ( ) || position > location . getEndPosition ( ) ) { rel... | Returns the sequence position relative to the compound location . | 167 | 10 |
16,931 | protected boolean concatOr ( boolean ... statements ) { boolean isTrue = statements [ 0 ] ; for ( int i = 1 ; i < statements . length ; i ++ ) { isTrue = isTrue || statements [ i ] ; } return isTrue ; } | Utility method to concatenate conditions with or . | 54 | 11 |
16,932 | protected void checkNull ( Object ... objects ) { for ( Object object : objects ) { if ( object == null ) { throw new ModelsIllegalargumentException ( "Mandatory input argument is missing. Check your syntax..." , this . getClass ( ) . getSimpleName ( ) , pm ) ; } } } | Checks if the passed objects are all ! = null and if one is null throws Exception . | 65 | 19 |
16,933 | protected void checkFileExists ( String ... existingFilePath ) { StringBuilder sb = null ; for ( String filePath : existingFilePath ) { File file = new File ( filePath ) ; if ( ! file . exists ( ) ) { if ( sb == null ) { sb = new StringBuilder ( ) ; sb . append ( "The following file doesn't seem to exist: " ) ; } sb . ... | Checks if passed path strings exist on the filesystem . If not an Exception is thrown . | 154 | 18 |
16,934 | protected String checkWorkingFolderInPath ( String filePath ) { if ( filePath . contains ( HMConstants . WORKINGFOLDER ) ) { return null ; } return filePath ; } | Checks if a passed path contains the workingfolder constant . If yes it is set to null . | 41 | 20 |
16,935 | public GridCoverage2D getRaster ( String source ) throws Exception { if ( source == null || source . trim ( ) . length ( ) == 0 ) return null ; OmsRasterReader reader = new OmsRasterReader ( ) ; reader . pm = pm ; reader . file = source ; reader . process ( ) ; GridCoverage2D geodata = reader . outRaster ; return geoda... | Fast default reading of raster from definition . | 92 | 9 |
16,936 | public SimpleFeatureCollection getVector ( String source ) throws Exception { if ( source == null || source . trim ( ) . length ( ) == 0 ) return null ; OmsVectorReader reader = new OmsVectorReader ( ) ; reader . pm = pm ; reader . file = source ; reader . process ( ) ; SimpleFeatureCollection fc = reader . outVector ;... | Fast default reading of vector from definition . | 82 | 8 |
16,937 | public void dumpRaster ( GridCoverage2D raster , String source ) throws Exception { if ( raster == null || source == null ) return ; OmsRasterWriter writer = new OmsRasterWriter ( ) ; writer . pm = pm ; writer . inRaster = raster ; writer . file = source ; writer . process ( ) ; } | Fast default writing of raster to source . | 77 | 9 |
16,938 | public void dumpVector ( SimpleFeatureCollection vector , String source ) throws Exception { if ( vector == null || source == null ) return ; OmsVectorWriter writer = new OmsVectorWriter ( ) ; writer . pm = pm ; writer . file = source ; writer . inVector = vector ; writer . process ( ) ; } | Fast default writing of vector to source . | 68 | 8 |
16,939 | public void setParameter ( String key , Object obj ) { if ( key . equals ( "novalue" ) ) { //$NON-NLS-1$ novalue = obj ; } else if ( key . equals ( "matrixtype" ) ) { //$NON-NLS-1$ Integer dmtype = ( Integer ) obj ; matrixType = dmtype . intValue ( ) ; } } | utility to set particular parameters | 92 | 6 |
16,940 | private ByteBuffer readHeader ( RandomAccessFile ds ) throws IOException { /* * the first byte defines the number of bytes are used to describe the row addresses in the * header (once it was sizeof(long) in grass but then it was turned to an offset (that * brought to reading problems in JGrass whenever the offset was !... | Reads the header part of the file into memory | 140 | 10 |
16,941 | private long [ ] getRowAddressesFromHeader ( ByteBuffer header ) { /* * Jump over the no more needed first byte (used in readHeader to define the header size) */ byte firstbyte = header . get ( ) ; /* Read the data row addresses inside the file */ long [ ] adrows = new long [ fileWindow . getRows ( ) + 1 ] ; if ( first... | Extract the row addresses from the header information of the file | 180 | 12 |
16,942 | private void getMapRow ( int currentrow , ByteBuffer rowdata , boolean iscompressed ) throws IOException , DataFormatException { // if (logger.isDebugEnabled()) // { // logger.debug("ACCESSING THE FILE at row: " + currentrow + // ", rasterMapType = " + rasterMapType + // ", numberOfBytesPerValue = " + numberOfBytesPerV... | read a row of the map from the active region | 414 | 10 |
16,943 | private void readCompressedFPRowByNumber ( ByteBuffer rowdata , int rn , long [ ] adrows , RandomAccessFile thefile , int typeBytes ) throws DataFormatException , IOException { int offset = ( int ) ( adrows [ rn + 1 ] - adrows [ rn ] ) ; /* * The fact that the file is compressed does not mean that the row is compressed... | read a row of data from a compressed floating point map | 350 | 11 |
16,944 | private void readUncompressedFPRowByNumber ( ByteBuffer rowdata , int rn , RandomAccessFile thefile , int typeBytes ) throws IOException , DataFormatException { int datanumber = fileWindow . getCols ( ) * typeBytes ; thefile . seek ( ( rn * datanumber ) ) ; thefile . read ( rowdata . array ( ) ) ; } | read a row of data from an uncompressed floating point map | 85 | 12 |
16,945 | private void readCompressedIntegerRowByNumber ( ByteBuffer rowdata , int rn , long [ ] adrows , RandomAccessFile thefile ) throws IOException , DataFormatException { int offset = ( int ) ( adrows [ rn + 1 ] - adrows [ rn ] ) ; thefile . seek ( adrows [ rn ] ) ; /* * Read how many bytes the values are ex 1 => if encoded... | read a row of data from a compressed integer point map | 804 | 11 |
16,946 | private void readUncompressedIntegerRowByNumber ( ByteBuffer rowdata , int rn , RandomAccessFile thefile ) throws IOException , DataFormatException { int cellValue = 0 ; ByteBuffer cell = ByteBuffer . allocate ( rasterMapType ) ; /* The number of bytes that are inside a row in the file. */ int filerowsize = fileWindow ... | read a row of data from an uncompressed integer map | 359 | 11 |
16,947 | public Color getColorFor ( double value ) { if ( value <= min ) { return colors [ 0 ] ; } else if ( value >= max ) { return colors [ colors . length - 1 ] ; } else { for ( int i = 1 ; i < colors . length ; i ++ ) { double v1 = values [ i - 1 ] ; double v2 = values [ i ] ; if ( value < v2 ) { double v = ( value - v1 ) /... | Get the color of the defined table by its value . | 154 | 11 |
16,948 | public static Color interpolateColor ( Color color1 , Color color2 , float fraction ) { float int2Float = 1f / 255f ; fraction = Math . min ( fraction , 1f ) ; fraction = Math . max ( fraction , 0f ) ; float r1 = color1 . getRed ( ) * int2Float ; float g1 = color1 . getGreen ( ) * int2Float ; float b1 = color1 . getBlu... | Interpolate a color at a given fraction between 0 and 1 . | 384 | 14 |
16,949 | public void addSeries ( String seriesName , double [ ] x , double [ ] y ) { XYSeries series = new XYSeries ( seriesName ) ; for ( int i = 0 ; i < x . length ; i ++ ) { series . add ( x [ i ] , y [ i ] ) ; } dataset . addSeries ( series ) ; } | Add a new series by name and data . | 74 | 9 |
16,950 | public static long insertLasSource ( ASpatialDb db , int srid , int levels , double resolution , double factor , Polygon polygon , String name , double minElev , double maxElev , double minIntens , double maxIntens ) throws Exception { String sql = "INSERT INTO " + TABLENAME // + " (" + COLUMN_GEOM + "," + COLUMN_NAME ... | Insert values in the table | 418 | 5 |
16,951 | public static void updateMinMaxIntensity ( ASpatialDb db , long sourceId , double minIntens , double maxIntens ) throws Exception { String sql = "UPDATE " + TABLENAME // + " SET " + COLUMN_MININTENSITY + "=" + minIntens + ", " + COLUMN_MAXINTENSITY + "=" + maxIntens + // " WHERE " + COLUMN_ID + "=" + sourceId ; db . ex... | Update the intensity values . | 115 | 5 |
16,952 | public static List < LasSource > getLasSources ( ASpatialDb db ) throws Exception { List < LasSource > sources = new ArrayList <> ( ) ; String sql = "SELECT " + COLUMN_GEOM + "," + COLUMN_ID + "," + COLUMN_NAME + "," + COLUMN_RESOLUTION + "," + COLUMN_FACTOR + "," + COLUMN_LEVELS + "," + COLUMN_MINZ + "," + COLUMN_MAXZ... | Query the las sources table . | 438 | 6 |
16,953 | public static boolean isLasDatabase ( ASpatialDb db ) throws Exception { if ( ! db . hasTable ( TABLENAME ) || ! db . hasTable ( LasCellsTable . TABLENAME ) ) { return false ; } return true ; } | Checks if the db is a las database readable by HortonMachine . | 58 | 14 |
16,954 | protected Point limitPointToWorldWindow ( Point point ) { Rectangle viewport = this . getWwd ( ) . getView ( ) . getViewport ( ) ; int x = point . x ; if ( x < viewport . x ) x = viewport . x ; if ( x > viewport . x + viewport . width ) x = viewport . x + viewport . width ; int y = point . y ; if ( y < viewport . y ) y... | Limits the specified point s x and y coordinates to the World Window s viewport and returns a new point with the limited coordinates . For example if the World Window s viewport rectangle is x = 0 y = 0 width = 100 height = 100 and the point s coordinates are x = 50 y = 200 this returns a new point with coordinates x =... | 144 | 106 |
16,955 | public static void show ( BufferedImage image , String title , boolean modal ) { JDialog f = new JDialog ( ) ; f . add ( new ImageViewer ( image ) , BorderLayout . CENTER ) ; f . setTitle ( title ) ; f . setIconImage ( ImageCache . getInstance ( ) . getBufferedImage ( ImageCache . HORTONMACHINE_FRAME_ICON ) ) ; f . set... | Opens a JDialog with the image viewer in it . | 274 | 12 |
16,956 | public static List < Image > getImagesList ( IHMConnection connection ) throws Exception { List < Image > images = new ArrayList < Image > ( ) ; String sql = "select " + // ImageTableFields . COLUMN_ID . getFieldName ( ) + "," + // ImageTableFields . COLUMN_LON . getFieldName ( ) + "," + // ImageTableFields . COLUMN_LA... | Get the list of Images from the db . | 451 | 9 |
16,957 | public static byte [ ] getImageData ( IHMConnection connection , long imageDataId ) throws Exception { String sql = "select " + // ImageDataTableFields . COLUMN_IMAGE . getFieldName ( ) + // " from " + TABLE_IMAGE_DATA + " where " + // ImageDataTableFields . COLUMN_ID . getFieldName ( ) + " = " + imageDataId ; try ( IH... | Get Image data from data id . | 169 | 7 |
16,958 | public static void convert ( SquareMatrix sm ) { for ( int r = 0 ; r < sm . nRows ; ++ r ) { for ( int c = 0 ; c < sm . nCols ; ++ c ) { sm . values [ r ] [ c ] = ( r == c ) ? 1 : 0 ; } } } | Convert a square matrix into an identity matrix . | 71 | 10 |
16,959 | public static SimpleFeatureCollection createFeatureCollection ( SimpleFeature ... features ) { DefaultFeatureCollection fcollection = new DefaultFeatureCollection ( ) ; for ( SimpleFeature feature : features ) { fcollection . add ( feature ) ; } return fcollection ; } | Create a featurecollection from a vector of features | 51 | 9 |
16,960 | public static Object getAttributeCaseChecked ( SimpleFeature feature , String field ) { Object attribute = feature . getAttribute ( field ) ; if ( attribute == null ) { attribute = feature . getAttribute ( field . toLowerCase ( ) ) ; if ( attribute != null ) return attribute ; attribute = feature . getAttribute ( field... | Getter for attributes of a feature . | 143 | 8 |
16,961 | public static String findAttributeName ( SimpleFeatureType featureType , String field ) { List < AttributeDescriptor > attributeDescriptors = featureType . getAttributeDescriptors ( ) ; for ( AttributeDescriptor attributeDescriptor : attributeDescriptors ) { String name = attributeDescriptor . getLocalName ( ) ; if ( n... | Find the name of an attribute case insensitive . | 104 | 9 |
16,962 | public static QueryResult featureCollection2QueryResult ( SimpleFeatureCollection featureCollection ) { List < AttributeDescriptor > attributeDescriptors = featureCollection . getSchema ( ) . getAttributeDescriptors ( ) ; QueryResult queryResult = new QueryResult ( ) ; int count = 0 ; for ( AttributeDescriptor attribut... | Utility to convert a featurecollection to a queryresult format . | 348 | 13 |
16,963 | private static URI createUriFromName ( String name ) { if ( name == null ) { throw new NullPointerException ( "name" ) ; } try { return new URI ( name ) ; } catch ( final URISyntaxException e ) { throw new IllegalArgumentException ( "Invalid name: " + name , e ) ; } } | Creates a URI from a source file name . | 74 | 10 |
16,964 | public static void addNote ( Connection connection , long id , double lon , double lat , double altim , long timestamp , String text , String form ) throws Exception { String insertSQL = "INSERT INTO " + TableDescriptions . TABLE_NOTES + "(" + // TableDescriptions . NotesTableFields . COLUMN_ID . getFieldName ( ) + ", ... | Add a new note to the database . | 404 | 8 |
16,965 | public static List < Note > getNotesList ( IHMConnection connection , float [ ] nswe ) throws Exception { String query = "SELECT " + // NotesTableFields . COLUMN_ID . getFieldName ( ) + ", " + // NotesTableFields . COLUMN_LON . getFieldName ( ) + ", " + // NotesTableFields . COLUMN_LAT . getFieldName ( ) + ", " + // No... | Get the collected notes from the database inside a given bound . | 499 | 12 |
16,966 | private boolean isAtLeastOneAssignable ( String main , Class < ? > ... classes ) { for ( Class < ? > clazz : classes ) { if ( clazz . getCanonicalName ( ) . equals ( main ) ) { return true ; } } return false ; } | Checks if one class is assignable from at least one of the others . | 62 | 16 |
16,967 | public void sort ( double [ ] values , double [ ] valuesToFollow ) { this . valuesToSortDouble = values ; this . valuesToFollowDouble = valuesToFollow ; number = values . length ; monitor . beginTask ( "Sorting..." , - 1 ) ; monitor . worked ( 1 ) ; quicksort ( 0 , number - 1 ) ; monitor . done ( ) ; } | Sorts an array of double values and moves with the sort a second array . | 82 | 16 |
16,968 | public void sort ( float [ ] values , float [ ] valuesToFollow ) { this . valuesToSortFloat = values ; this . valuesToFollowFloat = valuesToFollow ; number = values . length ; monitor . beginTask ( "Sorting..." , - 1 ) ; monitor . worked ( 1 ) ; quicksortFloat ( 0 , number - 1 ) ; monitor . done ( ) ; } | Sorts an array of float values and moves with the sort a second array . | 83 | 16 |
16,969 | public float nextCentral ( ) { // Average 12 uniformly-distributed random values. float sum = 0.0f ; for ( int j = 0 ; j < 12 ; ++ j ) sum += gen . nextFloat ( ) ; // Subtract 6 to center about 0. return stddev * ( sum - 6 ) + mean ; } | Compute the next random value using the Central Limit Theorem which states that the averages of sets of uniformly - distributed random values are normally distributed . | 72 | 29 |
16,970 | public float nextPolar ( ) { // If there's a saved value, return it. if ( haveNextPolar ) { haveNextPolar = false ; return nextPolar ; } float u1 , u2 , r ; // point coordinates and their radius do { // u1 and u2 will be uniformly-distributed // random values in [-1, +1). u1 = 2 * gen . nextFloat ( ) - 1 ; u2 = 2 * gen... | Compute the next randomn value using the polar algorithm . Requires two uniformly - distributed random values in [ - 1 + 1 ) . Actually computes two random values and saves the second one for the next invokation . | 238 | 45 |
16,971 | public float nextRatio ( ) { float u , v , x , xx ; do { // u and v are two uniformly-distributed random values // in [0, 1), and u != 0. while ( ( u = gen . nextFloat ( ) ) == 0 ) ; // try again if 0 v = gen . nextFloat ( ) ; float y = C1 * ( v - 0.5f ) ; // y coord of point (u, y) x = y / u ; // ratio of point's coor... | Compute the next random value using the ratio algorithm . Requires two uniformly - distributed random values in [ 0 1 ) . | 187 | 24 |
16,972 | public static Polygon createDummyPolygon ( ) { Coordinate [ ] c = new Coordinate [ ] { new Coordinate ( 0.0 , 0.0 ) , new Coordinate ( 1.0 , 1.0 ) , new Coordinate ( 1.0 , 0.0 ) , new Coordinate ( 0.0 , 0.0 ) } ; LinearRing linearRing = gf ( ) . createLinearRing ( c ) ; return gf ( ) . createPolygon ( linearRing , null... | Creates a polygon that may help out as placeholder . | 112 | 12 |
16,973 | public static LineString createDummyLine ( ) { Coordinate [ ] c = new Coordinate [ ] { new Coordinate ( 0.0 , 0.0 ) , new Coordinate ( 1.0 , 1.0 ) , new Coordinate ( 1.0 , 0.0 ) } ; LineString lineString = gf ( ) . createLineString ( c ) ; return lineString ; } | Creates a line that may help out as placeholder . | 85 | 11 |
16,974 | public static double getPolygonArea ( int [ ] x , int [ ] y , int N ) { int i , j ; double area = 0 ; for ( i = 0 ; i < N ; i ++ ) { j = ( i + 1 ) % N ; area += x [ i ] * y [ j ] ; area -= y [ i ] * x [ j ] ; } area /= 2 ; return ( area < 0 ? - area : area ) ; } | Calculates the area of a polygon from its vertices . | 99 | 14 |
16,975 | public static double distance3d ( Coordinate c1 , Coordinate c2 , GeodeticCalculator geodeticCalculator ) { if ( Double . isNaN ( c1 . z ) || Double . isNaN ( c2 . z ) ) { throw new IllegalArgumentException ( "Missing elevation information in the supplied coordinates." ) ; } double deltaElev = Math . abs ( c1 . z - c2 ... | Calculates the 3d distance between two coordinates that have an elevation information . | 224 | 16 |
16,976 | public static Polygon lines2Polygon ( boolean checkValid , LineString ... lines ) { List < Coordinate > coordinatesList = new ArrayList < Coordinate > ( ) ; List < LineString > linesList = new ArrayList < LineString > ( ) ; for ( LineString tmpLine : lines ) { linesList . add ( tmpLine ) ; } LineString currentLine = li... | Joins two lines to a polygon . | 488 | 9 |
16,977 | public static List < Coordinate > getCoordinatesAtInterval ( LineString line , double interval , boolean keepExisting , double startFrom , double endAt ) { if ( interval <= 0 ) { throw new IllegalArgumentException ( "Interval needs to be > 0." ) ; } double length = line . getLength ( ) ; if ( startFrom < 0 ) { startFro... | Returns the coordinates at a given interval along the line . | 394 | 11 |
16,978 | public static List < LineString > getSectionsAtInterval ( LineString line , double interval , double width , double startFrom , double endAt ) { if ( interval <= 0 ) { throw new IllegalArgumentException ( "Interval needs to be > 0." ) ; } double length = line . getLength ( ) ; if ( startFrom < 0 ) { startFrom = 0.0 ; }... | Returns the section line at a given interval along the line . | 368 | 12 |
16,979 | public static void scaleToRatio ( Rectangle2D fixed , Rectangle2D toScale , boolean doShrink ) { double origWidth = fixed . getWidth ( ) ; double origHeight = fixed . getHeight ( ) ; double toAdaptWidth = toScale . getWidth ( ) ; double toAdaptHeight = toScale . getHeight ( ) ; double scaleWidth = 0 ; double scaleHeigh... | Extends or shrinks a rectangle following the ration of a fixed one . | 276 | 15 |
16,980 | public static void scaleDownToFit ( Rectangle2D rectToFitIn , Rectangle2D toScale ) { double fitWidth = rectToFitIn . getWidth ( ) ; double fitHeight = rectToFitIn . getHeight ( ) ; double toScaleWidth = toScale . getWidth ( ) ; double toScaleHeight = toScale . getHeight ( ) ; if ( toScaleWidth > fitWidth ) { double fa... | Scales a rectangle down to fit inside the given one keeping the ratio . | 175 | 15 |
16,981 | public static Coordinate getLineWithPlaneIntersection ( Coordinate lC1 , Coordinate lC2 , Coordinate pC1 , Coordinate pC2 , Coordinate pC3 ) { double [ ] p = getPlaneCoefficientsFrom3Points ( pC1 , pC2 , pC3 ) ; double denominator = p [ 0 ] * ( lC1 . x - lC2 . x ) + p [ 1 ] * ( lC1 . y - lC2 . y ) + p [ 2 ] * ( lC1 . z... | Get the intersection coordinate between a line and plane . | 282 | 10 |
16,982 | public static double getAngleBetweenLinePlane ( Coordinate a , Coordinate d , Coordinate b , Coordinate c ) { double [ ] rAD = { d . x - a . x , d . y - a . y , d . z - a . z } ; double [ ] rDB = { b . x - d . x , b . y - d . y , b . z - d . z } ; double [ ] rDC = { c . x - d . x , c . y - d . y , c . z - d . z } ; dou... | Calculates the angle between line and plane . | 370 | 10 |
16,983 | public static double getAngleInTriangle ( double a , double b , double c ) { double angle = Math . acos ( ( a * a + b * b - c * c ) / ( 2.0 * a * b ) ) ; return angle ; } | Uses the cosine rule to find an angle in radiants of a triangle defined by the length of its sides . | 57 | 24 |
16,984 | public static double angleBetween3D ( Coordinate c1 , Coordinate c2 , Coordinate c3 ) { double a = distance3d ( c2 , c1 , null ) ; double b = distance3d ( c2 , c3 , null ) ; double c = distance3d ( c1 , c3 , null ) ; double angleInTriangle = getAngleInTriangle ( a , b , c ) ; double degrees = toDegrees ( angleInTriangl... | Calculates the angle in degrees between 3 3D coordinates . | 110 | 13 |
16,985 | @ SuppressWarnings ( "unchecked" ) public static List < LineString > mergeLinestrings ( List < LineString > multiLines ) { LineMerger lineMerger = new LineMerger ( ) ; for ( int i = 0 ; i < multiLines . size ( ) ; i ++ ) { Geometry line = multiLines . get ( i ) ; lineMerger . add ( line ) ; } Collection < Geometry > me... | Tries to merge multilines when they are snapped properly . | 157 | 13 |
16,986 | public static List < Polygon > createSimpleDirectionArrow ( Geometry ... geometries ) { List < Polygon > polygons = new ArrayList <> ( ) ; for ( Geometry geometry : geometries ) { for ( int i = 0 ; i < geometry . getNumGeometries ( ) ; i ++ ) { Geometry geometryN = geometry . getGeometryN ( i ) ; if ( geometryN instanc... | Creates simple arrow polygons in the direction of the coordinates . | 262 | 13 |
16,987 | public boolean overlaps ( Location location ) { if ( location . getBeginPosition ( ) >= getBeginPosition ( ) && location . getBeginPosition ( ) <= getEndPosition ( ) ) return true ; if ( location . getBeginPosition ( ) <= getBeginPosition ( ) && location . getEndPosition ( ) >= getBeginPosition ( ) ) return true ; else... | 6361 .. 6539 6363 .. 6649 | 82 | 10 |
16,988 | private void fixRowsAndCols ( ) { rows = ( int ) Math . round ( ( north - south ) / ns_res ) ; if ( rows < 1 ) rows = 1 ; cols = ( int ) Math . round ( ( east - west ) / we_res ) ; if ( cols < 1 ) cols = 1 ; } | calculates rows and cols from the region and its resolution . | 75 | 14 |
16,989 | private double degreeToNumber ( String value ) { double number = - 1 ; String [ ] valueSplit = value . trim ( ) . split ( ":" ) ; //$NON-NLS-1$ if ( valueSplit . length == 3 ) { // deg:min:sec.ss double deg = Double . parseDouble ( valueSplit [ 0 ] ) ; double min = Double . parseDouble ( valueSplit [ 1 ] ) ; double sec... | Transforms degree string into the decimal value . | 216 | 9 |
16,990 | private double [ ] xyResStringToNumbers ( String ewres , String nsres ) { double xres = - 1.0 ; double yres = - 1.0 ; if ( ewres . indexOf ( ' ' ) != - 1 ) { xres = degreeToNumber ( ewres ) ; } else { xres = Double . parseDouble ( ewres ) ; } if ( nsres . indexOf ( ' ' ) != - 1 ) { yres = degreeToNumber ( nsres ) ; } e... | Transforms a GRASS resolution string in metric or degree to decimal . | 142 | 14 |
16,991 | @ SuppressWarnings ( "nls" ) private double [ ] nsewStringsToNumbers ( String north , String south , String east , String west ) { double no = - 1.0 ; double so = - 1.0 ; double ea = - 1.0 ; double we = - 1.0 ; if ( north . indexOf ( "N" ) != - 1 || north . indexOf ( "n" ) != - 1 ) { north = north . substring ( 0 , nor... | Transforms the GRASS bounds strings in metric or degree to decimal . | 606 | 14 |
16,992 | @ Override public int read ( ) throws IOException { // initalize the lookahead if ( lookaheadChar == UNDEFINED ) { lookaheadChar = super . read ( ) ; } lastChar = lookaheadChar ; if ( super . ready ( ) ) { lookaheadChar = super . read ( ) ; } else { lookaheadChar = UNDEFINED ; } if ( lastChar == ' ' ) { lineCounter ++ ... | Reads the next char from the input stream . | 100 | 10 |
16,993 | public int read ( char [ ] buf , int off , int len ) throws IOException { // do not claim if len == 0 if ( len == 0 ) { return 0 ; } // init lookahead, but do not block !! if ( lookaheadChar == UNDEFINED ) { if ( ready ( ) ) { lookaheadChar = super . read ( ) ; } else { return - 1 ; } } // 'first read of underlying str... | Non - blocking reading of len chars into buffer buf starting at bufferposition off . | 221 | 16 |
16,994 | public long skip ( long n ) throws IllegalArgumentException , IOException { if ( lookaheadChar == UNDEFINED ) { lookaheadChar = super . read ( ) ; } // illegal argument if ( n < 0 ) { throw new IllegalArgumentException ( "negative argument not supported" ) ; } // no skipping if ( n == 0 || lookaheadChar == END_OF_STREA... | Skips char in the stream | 169 | 6 |
16,995 | public void sort ( double [ ] values , Object [ ] valuesToFollow ) { this . valuesToSort = values ; this . valuesToFollow = valuesToFollow ; number = values . length ; monitor . beginTask ( "Sorting..." , - 1 ) ; monitor . worked ( 1 ) ; quicksort ( 0 , number - 1 ) ; monitor . done ( ) ; } | Sorts an array of values and moves with the sort a second array . | 80 | 15 |
16,996 | private int [ ] [ ] createStationBasinsMatrix ( double [ ] statValues , int [ ] activeStationsPerBasin ) { int [ ] [ ] stationsBasins = new int [ stationCoordinates . size ( ) ] [ basinBaricenterCoordinates . size ( ) ] ; Set < Integer > bandsIdSet = bin2StationsListMap . keySet ( ) ; Integer [ ] bandsIdArray = ( Integ... | Creates the stations per basins matrix . | 565 | 9 |
16,997 | private void extractFromStationFeatures ( ) throws Exception { int stationIdIndex = - 1 ; int stationElevIndex = - 1 ; pm . beginTask ( "Filling the elevation and id arrays for the stations, ordering them in ascending elevation order." , stationCoordinates . size ( ) ) ; for ( int i = 0 ; i < stationCoordinates . size ... | Fills the elevation and id arrays for the stations ordering in ascending elevation order . | 368 | 16 |
16,998 | public int [ ] PixelsToTile ( int px , int py ) { int tx = ( int ) Math . ceil ( px / ( ( double ) tileSize ) - 1 ) ; int ty = ( int ) Math . ceil ( py / ( ( double ) tileSize ) - 1 ) ; return new int [ ] { tx , ty } ; } | Returns a tile covering region in given pixel coordinates | 78 | 9 |
16,999 | public int [ ] PixelsToRaster ( int px , int py , int zoom ) { int mapSize = tileSize << zoom ; return new int [ ] { px , mapSize - py } ; } | Move the origin of pixel coordinates to top - left corner | 46 | 11 |
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