Examples of test.Example$Range

ucar.ma2.Range
chirino.com">Hiram Chirino

        Array dataArray = Array.factory(DataType.FLOAT, section.getShape());
        GradsVariable gradsVar = findVar(v2);


        // Canonical ordering is ens, time, level, lat, lon
        int           rangeIdx  = 0;
        Range         ensRange  = (gradsDDF.getEnsembleDimension() != null)
                                  ? section.getRange(rangeIdx++)
                                  : new Range(0, 0);
        Range         timeRange = (section.getRank() > 2)
                                  ? section.getRange(rangeIdx++)
                                  : new Range(0, 0);
        Range         levRange  = (gradsVar.getNumLevels() > 0)
                                  ? section.getRange(rangeIdx++)
                                  : new Range(0, 0);
        Range         yRange    = section.getRange(rangeIdx++);
        Range         xRange    = section.getRange(rangeIdx);


        IndexIterator ii        = dataArray.getIndexIterator();


        // loop over ens
        for (int ensIdx = ensRange.first(); ensIdx <= ensRange.last();

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    // create the List<Dim>
    // Section shifted = intersect.shiftOrigin(dataSection); // want reletive to dataSection
    int wantStride = 1;
    int dataStride = 1;
    for (int ii = varRank - 1; ii >= 0; ii--) {
      Range dr = dataSection.getRange(ii);
      Range wr = wantSection.getRange(ii);
      Range ir = intersect.getRange(ii);
      dimList.add(new Dim(dr, wr, ir, dataStride, wantStride)); // note reversed : fastest first
      dataStride *= dr.length();
      wantStride *= wr.length();
    }

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     * @throws InvalidRangeException  range doesn't match data
     */
    public Array readVariable(Variable v2, Section section)
            throws IOException, InvalidRangeException {


        Range timeRange = null;
        Range bandRange = null;
        Range geoXRange = null;
        Range geoYRange = null;
        if (section != null & section.getRank() > 0) {
            if (section.getRank() > 3) {
                timeRange = (Range) section.getRange(0);
                bandRange = (Range) section.getRange(1);
                geoYRange = (Range) section.getRange(2);
                geoXRange = (Range) section.getRange(3);
            } else if (section.getRank() > 2) {
                timeRange = (Range) section.getRange(0);
                geoYRange = (Range) section.getRange(1);
                geoXRange = (Range) section.getRange(2);
            } else if (section.getRank() > 1) {
                geoYRange = (Range) section.getRange(0);
                geoXRange = (Range) section.getRange(1);
            } else {
                geoXRange = (Range) section.getRange(0);
            }
        }


        String varname = v2.getFullName();


        Array dataArray =
            Array.factory(v2.getDataType().getPrimitiveClassType(),
                          section.getShape());


        Index dataIndex = dataArray.getIndex();


        if (varname.equals("latitude") || varname.equals("longitude")) {
            double[][] pixel = new double[2][1];
            double[][] latLon;
            double[][][] latLonValues =
                new double[geoXRange.length()][geoYRange.length()][2];


            // Use Range object, which calculates requested i, j 
            // values and incorporates stride
            for (int i = 0; i < geoXRange.length(); i++) {
                for (int j = 0; j < geoYRange.length(); j++) {
                    pixel[0][0] = (double) geoXRange.element(i);
                    pixel[1][0] = (double) geoYRange.element(j);
                    latLon      = nav.toLatLon(pixel);


                    if (varname.equals("lat")) {
                        dataArray.setFloat(dataIndex.set(j, i),
                                           (float) (latLon[0][0]));
                    } else {
                        dataArray.setFloat(dataIndex.set(j, i),
                                           (float) (latLon[1][0]));
                    }
                }
            }
        }


        if (varname.equals("image")) {
            try {
                int[][] pixelData = new int[1][1];
                if (bandRange != null) {
                    for (int k = 0; k < bandRange.length(); k++) {
                        int bandIndex = bandRange.element(k) + 1;  // band numbers in McIDAS are 1 based
                        for (int j = 0; j < geoYRange.length(); j++) {
                            for (int i = 0; i < geoXRange.length(); i++) {
                                pixelData = af.getData(geoYRange.element(j),
                                        geoXRange.element(i), 1, 1,
                                        bandIndex);
                                dataArray.setInt(dataIndex.set(0, k, j, i),
                                        (pixelData[0][0]));
                            }
                        }
                    }


                } else {
                    for (int j = 0; j < geoYRange.length(); j++) {
                        for (int i = 0; i < geoXRange.length(); i++) {
                            pixelData = af.getData(geoYRange.element(j),
                                    geoXRange.element(i), 1, 1);
                            dataArray.setInt(dataIndex.set(0, j, i),
                                             (pixelData[0][0]));
                        }
                    }

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        groups = volScan.getWidthGroups();
      else if( shortName.startsWith("DiffReflectivity"))
        groups = volScan.getDifferentialReflectivityGroups();


      if(section.getRank() == 2) {
          Range radialRange = section.getRange(0);
          Range gateRange = section.getRange(1);
          List lli = (List)groups.get(0);
          readOneScan(lli, radialRange, gateRange, ii);
      } else {
          Range scanRange = section.getRange(0);
          Range radialRange = section.getRange(1);
          Range gateRange = section.getRange(2);
          for (int i=scanRange.first(); i<=scanRange.last(); i+= scanRange.stride()) {
            readOneScan((List)groups.get(i), radialRange, gateRange, ii);
          }
      }
      return data;

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    boolean tRangeDone = false;


    try
    {
      // Get the height range.
      Range zRange = vertSubset != null ? vertSubset.getRange() : null;
      zRangeDone = true;


      // Get the time range.
      Range tRange = null;
      if ( timeRange != null )
      {
        CoordinateAxis1DTime timeAxis = this.coordSys.getTimeAxis1D();
        int startIndex = timeAxis.findTimeIndexFromDate( timeRange.getStart().getDate() );
        int endIndex = timeAxis.findTimeIndexFromDate( timeRange.getEnd().getDate() );
        tRange = new Range( startIndex, endIndex );
        tRangeDone = true;
      }


      if ( format == WcsRequest.Format.GeoTIFF || format == WcsRequest.Format.GeoTIFF_Float )
      {

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      GridDatatype grid = gds.findGridDatatype(gridName);
      GridCoordSystem gcsOrg = grid.getCoordinateSystem();
      CoordinateAxis1DTime timeAxis = gcsOrg.getTimeAxis1D();


      // make subset if needed
      Range timeRange = null;
      if ((dateRange != null) && (timeAxis != null)) {
        int startIndex = timeAxis.findTimeIndexFromDate(dateRange.getStart().getDate());
        int endIndex = timeAxis.findTimeIndexFromDate(dateRange.getEnd().getDate());
        if (startIndex < 0)
          throw new InvalidRangeException("start time=" + dateRange.getStart().getDate() + " must be >= " + timeAxis.getTimeDate(0));
        if (endIndex < 0)
          throw new InvalidRangeException("end time=" + dateRange.getEnd().getDate() + " must be >= " + timeAxis.getTimeDate(0));
        timeRange = new Range(startIndex, endIndex);
      }


      if ((null != timeRange) || (zRange != null) || (llbb != null) || (horizStride > 1)) {
        grid = grid.makeSubset(timeRange, zRange, llbb, 1, horizStride, horizStride);
      }

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    GridDataset gridDataset = GridDataset.open( "D:/AStest/margolis/grib2ncdf.ncml" );
    GeoGrid grid = gridDataset.findGridByName( "Turbulence_SIGMET_AIRMET" );
    System.out.println("Grid= "+grid+" section="+ new Section(grid.getShape()));
    System.out.println(" coordSys= "+grid.getCoordinateSystem());


    GeoGrid subset = (GeoGrid) grid.makeSubset(new Range(0, 0), null, new Range(1,1), null, null, null);
    System.out.println("subset= "+subset+" section="+ new Section(subset.getShape()));
    System.out.println(" coordSys= "+subset.getCoordinateSystem());


    gridDataset.close();
  }

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      log.error( "getRange(): GridCoordSystem vertical axis does not contain min/max points." );
      throw new IllegalArgumentException( "GridCoordSystem vertical axis does not contain min/max points." );
    }


    if ( this.coordAxis.getPositive().equalsIgnoreCase( ucar.nc2.constants.CF.POSITIVE_DOWN ) )
      return new Range( maxIndex, minIndex, stride );
    else
      return new Range( minIndex, maxIndex, stride );
  }

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      log.error( "genRequestVertSubset(): " + message + " - " + e.getMessage() );
      throw new WcsException( WcsException.Code.InvalidParameterValue, "BBOX", message );
    }


    AxisSubset axisSubset = new AxisSubset( vertAxis, minz, maxz, 1 );
    Range range = null;
    try
    {
      range = axisSubset.getRange();
    }
    catch ( InvalidRangeException e )
    {
      String message = "BBOX results in invalid array index range [" + bboxSplit.toString() + "].";
      log.error( "genRequestVertSubset(): " + message + " - " + e.getMessage() );
      throw new WcsException( WcsException.Code.InvalidParameterValue, "BBOX", message );
    }
    if ( range.length() == 1 )
    {
      // Check whether vertical range results in a single level.
      this.isSingleVerticalRequest = true;
      return null;
    }

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    sb.append(v.isMemberOfStructure() ? NetcdfFile.escapeNameSectionSpec(v.getShortName()) : NetcdfFile.makeFullNameEscapedSectionSpec(v));


    if (!v.isVariableLength() && !v.isScalar()) { // sequences cant be sectioned
      sb.append('(');
      for (int count=0; count<v.getRank(); count++) {
        Range r = ranges.get(count);
        if (r == null)
          r = new Range( 0, v.getDimension(count).getLength());
        if (count>0) sb.append(", ");
        sb.append(r.first());
        sb.append(':');
        sb.append(r.last());
        sb.append(':');
        sb.append(r.stride());
      }
      sb.append(')');
    }


    return (orgRanges == null) ? null : ranges.subList(v.getRank(), ranges.size());

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