private Array convertToChar(Variable newVar, Array oldData) { ArrayChar newData = (ArrayChar) Array.factory(DataType.CHAR, newVar.getShape()); Index ima = newData.getIndex(); IndexIterator ii = oldData.getIndexIterator(); while (ii.hasNext()) { String s = (String) ii.getObjectNext(); int[] c = ii.getCurrentCounter(); for (int i = 0; i < c.length; i++) ima.setDim(i, c[i]); newData.setString(ima, s); } return newData; }
/** * set the values from an Array * * @param arr value of Attribute */ protected void setValues(Array arr) { if (arr == null) { dataType = DataType.STRING; return; } if (DataType.getType(arr.getElementType()) == null) throw new IllegalArgumentException("Cant set Attribute with type " + arr.getElementType()); if (arr.getElementType() == char.class) { // turn CHAR into STRING ArrayChar carr = (ArrayChar) arr; if (carr.getRank() == 1) { // common case svalue = carr.getString(); this.nelems = 1; this.dataType = DataType.STRING; return; } // otherwise its an array of Strings arr = carr.make1DStringArray(); } // this should be a utility somewhere if (arr.getElementType() == ByteBuffer.class) { // turn OPAQUE into BYTE int totalLen = 0; arr.resetLocalIterator(); while (arr.hasNext()) { ByteBuffer bb = (ByteBuffer) arr.next(); totalLen += bb.limit(); } byte[] ba = new byte[totalLen]; int pos = 0; arr.resetLocalIterator(); while (arr.hasNext()) { ByteBuffer bb = (ByteBuffer) arr.next(); System.arraycopy(bb.array(), 0, ba, pos, bb.limit()); pos += bb.limit(); } arr = Array.factory(DataType.BYTE, new int[] {totalLen}, ba); } if (arr.getRank() > 1) arr = arr.reshape(new int[] {(int) arr.getSize()}); // make sure 1D this.values = arr; this.nelems = (int) arr.getSize(); this.dataType = DataType.getType(arr.getElementType()); hashCode = 0; }
private void showValuesAsDates(CoordinateAxis axis) { String units = axis.getUnitsString(); String cal = getCalendarAttribute(axis); CalendarDateUnit cdu = CalendarDateUnit.of(cal, units); try { infoTA.appendLine(units); infoTA.appendLine(NCdumpW.printVariableData(axis, null)); if (axis.getDataType().isNumeric()) { if (axis instanceof CoordinateAxis2D) { showDates2D((CoordinateAxis2D) axis, cdu); } else if (axis instanceof CoordinateAxis1D) { // 1D showDates1D((CoordinateAxis1D) axis, cdu); } else { // > 2D Array data = axis.read(); IndexIterator ii = data.getIndexIterator(); while (ii.hasNext()) { double val = ii.getDoubleNext(); infoTA.appendLine(makeCalendarDateStringOrMissing(cdu, val)); } } } else { // must be iso dates Array data = axis.read(); Formatter f = new Formatter(); if (data instanceof ArrayChar) { ArrayChar dataS = (ArrayChar) data; ArrayChar.StringIterator iter = dataS.getStringIterator(); while (iter.hasNext()) f.format(" %s%n", iter.next()); infoTA.appendLine(f.toString()); } else if (data instanceof ArrayObject) { IndexIterator iter = data.getIndexIterator(); while (iter.hasNext()) f.format(" %s%n", iter.next()); infoTA.appendLine(f.toString()); } } } catch (Exception ex) { ex.printStackTrace(); infoTA.appendLine(ex.getMessage()); } }
public void testNC3Read() throws IOException { NetcdfFile ncfile = TestDir.openFileLocal("testWrite.nc"); assert (null != ncfile.findDimension("lat")); assert (null != ncfile.findDimension("lon")); Variable temp = null; assert (null != (temp = ncfile.findVariable("temperature"))); // read entire array Array A; try { A = temp.read(); } catch (IOException e) { System.err.println("ERROR reading file"); assert (false); return; } assert (A.getRank() == 2); int i, j; Index ima = A.getIndex(); int[] shape = A.getShape(); assert shape[0] == 64; assert shape[1] == 128; for (i = 0; i < shape[0]; i++) { for (j = 0; j < shape[1]; j++) { double dval = A.getDouble(ima.set(i, j)); assert (dval == (double) (i * 1000000 + j * 1000)) : dval; } } // read part of array int[] origin2 = new int[2]; int[] shape2 = new int[2]; shape2[0] = 1; shape2[1] = temp.getShape()[1]; try { A = temp.read(origin2, shape2); } catch (InvalidRangeException e) { System.err.println("ERROR reading file " + e); assert (false); return; } catch (IOException e) { System.err.println("ERROR reading file"); assert (false); return; } assert (A.getRank() == 2); for (j = 0; j < shape2[1]; j++) { assert (A.getDouble(ima.set(0, j)) == (double) (j * 1000)); } // rank reduction Array Areduce = A.reduce(); Index ima2 = Areduce.getIndex(); assert (Areduce.getRank() == 1); for (j = 0; j < shape2[1]; j++) { assert (Areduce.getDouble(ima2.set(j)) == (double) (j * 1000)); } // read char variable Variable c = null; assert (null != (c = ncfile.findVariable("svar"))); try { A = c.read(); } catch (IOException e) { assert (false); } assert (A instanceof ArrayChar); ArrayChar ac = (ArrayChar) A; String val = ac.getString(ac.getIndex()); assert val.equals("Testing 1-2-3") : val; // System.out.println( "val = "+ val); // read char variable 2 Variable c2 = null; assert (null != (c2 = ncfile.findVariable("svar2"))); try { A = c2.read(); } catch (IOException e) { assert (false); } assert (A instanceof ArrayChar); ArrayChar ac2 = (ArrayChar) A; assert (ac2.getString().equals("Two pairs of ladies stockings!")); // read String Array Variable c3 = null; assert (null != (c3 = ncfile.findVariable("names"))); try { A = c3.read(); } catch (IOException e) { assert (false); } assert (A instanceof ArrayChar); ArrayChar ac3 = (ArrayChar) A; ima = ac3.getIndex(); assert (ac3.getString(ima.set(0)).equals("No pairs of ladies stockings!")); assert (ac3.getString(ima.set(1)).equals("One pair of ladies stockings!")); assert (ac3.getString(ima.set(2)).equals("Two pairs of ladies stockings!")); // read String Array - 2 Variable c4 = null; assert (null != (c4 = ncfile.findVariable("names2"))); try { A = c4.read(); } catch (IOException e) { assert (false); } assert (A instanceof ArrayChar); ArrayChar ac4 = (ArrayChar) A; ima = ac4.getIndex(); assert (ac4.getString(0).equals("0 pairs of ladies stockings!")); assert (ac4.getString(1).equals("1 pair of ladies stockings!")); assert (ac4.getString(2).equals("2 pairs of ladies stockings!")); // System.out.println( "ncfile = "+ ncfile); ncfile.close(); System.out.println("**************TestRead done"); }