How to use

readSection

method

in

ucar.nc2.iosp.IOServiceProvider

/**
 * Read a variable using the given section specification.
 * The result is always an array of the type of the innermost variable.
 * Its shape is the accumulation of all the shapes of its parent structures.
 *
 * @param variableSection the constraint expression.
 * @return data requested
 * @throws IOException           if error
 * @throws InvalidRangeException if variableSection is invalid
 * @see <a href="http://www.unidata.ucar.edu/software/netcdf-java/reference/SectionSpecification.html">SectionSpecification</a>
 */
public Array readSection(String variableSection) throws IOException, InvalidRangeException {
 /* if (unlocked)
  throw new IllegalStateException("File is unlocked - cannot use"); */
 ParsedSectionSpec cer = ParsedSectionSpec.parseVariableSection(this, variableSection);
 if (cer.child == null) {
  return cer.v.read(cer.section);
 }
 if (spi == null)
  return IospHelper.readSection(cer);
 else
  // allow iosp to optimize
  return spi.readSection(cer);
}

/**
 * Read a variable using the given section specification.
 * The result is always an array of the type of the innermost variable.
 * Its shape is the accumulation of all the shapes of its parent structures.
 *
 * @param variableSection the constraint expression.
 * @return data requested
 * @throws IOException           if error
 * @throws InvalidRangeException if variableSection is invalid
 * @see <a href="http://www.unidata.ucar.edu/software/netcdf-java/reference/SectionSpecification.html">SectionSpecification</a>
 */
public Array readSection(String variableSection) throws IOException, InvalidRangeException {
 /* if (unlocked)
  throw new IllegalStateException("File is unlocked - cannot use"); */
 ParsedSectionSpec cer = ParsedSectionSpec.parseVariableSection(this, variableSection);
 if (cer.child == null) {
  Array result = cer.v.read(cer.section);
  result.setUnsigned(cer.v.isUnsigned());
  return result;
 }
 if (spi == null)
  return IospHelper.readSection(cer);
 else
  // allow iosp to optimize
  return spi.readSection(cer);
}

/**
 * Read a variable using the given section specification.
 * The result is always an array of the type of the innermost variable.
 * Its shape is the accumulation of all the shapes of its parent structures.
 *
 * @param variableSection the constraint expression.
 * @return data requested
 * @throws IOException           if error
 * @throws InvalidRangeException if variableSection is invalid
 * @see <a href="http://www.unidata.ucar.edu/software/netcdf-java/reference/SectionSpecification.html">SectionSpecification</a>
 */
public Array readSection(String variableSection) throws IOException, InvalidRangeException {
 /* if (unlocked)
  throw new IllegalStateException("File is unlocked - cannot use"); */
 ParsedSectionSpec cer = ParsedSectionSpec.parseVariableSection(this, variableSection);
 if (cer.child == null) {
  Array result = cer.v.read(cer.section);
  result.setUnsigned(cer.v.isUnsigned());
  return result;
 }
 if (spi == null)
  return IospHelper.readSection(cer);
 else
  // allow iosp to optimize
  return spi.readSection(cer);
}