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OperettaReader.java
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OperettaReader.java
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/*
* #%L
* OME Bio-Formats package for reading and converting biological file formats.
* %%
* Copyright (C) 2005 - 2017 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as
* published by the Free Software Foundation, either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-2.0.html>.
* #L%
*/
package loci.formats.in;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import loci.common.DataTools;
import loci.common.Location;
import loci.common.RandomAccessInputStream;
import loci.common.xml.BaseHandler;
import loci.common.xml.XMLTools;
import loci.formats.CoreMetadata;
import loci.formats.FormatException;
import loci.formats.FormatReader;
import loci.formats.FormatTools;
import loci.formats.MetadataTools;
import loci.formats.meta.MetadataStore;
import loci.formats.tiff.IFD;
import loci.formats.tiff.TiffParser;
import ome.units.UNITS;
import ome.units.quantity.Length;
import ome.units.quantity.Time;
import ome.units.unit.Unit;
import ome.xml.model.enums.AcquisitionMode;
import ome.xml.model.primitives.Color;
import ome.xml.model.primitives.NonNegativeInteger;
import ome.xml.model.primitives.PositiveInteger;
import ome.xml.model.primitives.Timestamp;
import org.xml.sax.Attributes;
/**
* OperettaReader is the file format reader for PerkinElmer Operetta data.
*
* @author Melissa Linkert melissa at glencoesoftware.com
*/
public class OperettaReader extends FormatReader {
// -- Constants --
private static final String[] XML_FILES = new String[] {"Index.idx.xml", "Index.ref.xml", "Index.xml"};
private static final int XML_TAG = 65500;
private static final String HARMONY_MAGIC = "Harmony";
// sometimes Operette, sometimes Operetta
private static final String OPERETTA_MAGIC = "Operett";
private static final String PHENIX_MAGIC = "Phenix";
// -- Fields --
private Plane[][] planes;
private MinimalTiffReader reader;
private ArrayList<String> metadataFiles = new ArrayList<String>();
// -- Constructor --
/** Constructs a new Operetta reader. */
public OperettaReader() {
super("PerkinElmer Operetta", new String[] {"tif", "tiff", "xml"});
domains = new String[] {FormatTools.HCS_DOMAIN};
suffixSufficient = false;
hasCompanionFiles = true;
datasetDescription =
"Directory with XML file and one .tif/.tiff file per plane";
}
// -- IFormatReader API methods --
/* @see loci.formats.IFormatReader#getRequiredDirectories(String[]) */
@Override
public int getRequiredDirectories(String[] files)
throws FormatException, IOException
{
return 1;
}
/* @see loci.formats.IFormatReader#isSingleFile(String) */
@Override
public boolean isSingleFile(String id) throws FormatException, IOException {
return false;
}
/* @see loci.formats.IFormatReader#fileGroupOption(String) */
@Override
public int fileGroupOption(String id) throws FormatException, IOException {
return FormatTools.MUST_GROUP;
}
/* @see loci.formats.IFormatReader#isThisType(String, boolean) */
@Override
public boolean isThisType(String name, boolean open) {
String localName = new Location(name).getName();
boolean exists = false;
for (String XML_FILE : XML_FILES) {
if (localName.equalsIgnoreCase(XML_FILE)) {
exists = true;
break;
}
}
if (!exists) {
Location parent = new Location(name).getAbsoluteFile().getParentFile();
for (String XML_FILE : XML_FILES) {
Location xml = new Location(parent, XML_FILE);
if (xml.exists()) {
exists = true;
break;
}
}
}
if (!exists) {
return false;
}
return super.isThisType(name, open);
}
/* @see loci.formats.IFormatReader#isThisType(RandomAccessInputStream) */
@Override
public boolean isThisType(RandomAccessInputStream stream) throws IOException {
String xml = stream.readString(1024);
if (xml.indexOf(HARMONY_MAGIC) > 0 || xml.indexOf(OPERETTA_MAGIC) > 0) {
return true;
}
stream.seek(0);
TiffParser p = new TiffParser(stream);
IFD ifd = p.getFirstIFD();
if (ifd == null) return false;
xml = ifd.getIFDTextValue(XML_TAG);
if (xml == null) return false;
int harmonyIndex = xml.indexOf(HARMONY_MAGIC);
int operettaIndex = xml.indexOf(OPERETTA_MAGIC);
return (harmonyIndex >= 0 && harmonyIndex < 1024) ||
(operettaIndex >= 0 && operettaIndex < 1024);
}
/* @see loci.formats.IFormatReader#getUsedFiles(boolean) */
@Override
public String[] getUsedFiles(boolean noPixels) {
FormatTools.assertId(currentId, true, 1);
ArrayList<String> files = new ArrayList<String>();
files.addAll(metadataFiles);
if (!noPixels) {
for (Plane[] well : planes) {
for (Plane p : well) {
if (p != null && p.filename != null &&
new Location(p.filename).exists())
{
files.add(p.filename);
}
}
}
}
return files.toArray(new String[files.size()]);
}
/* @see loci.formats.IFormatReader#getSeriesUsedFiles(boolean) */
@Override
public String[] getSeriesUsedFiles(boolean noPixels) {
FormatTools.assertId(currentId, true, 1);
ArrayList<String> files = new ArrayList<String>();
files.addAll(metadataFiles);
for (Plane p : planes[getSeries()]) {
if (p != null && p.filename != null &&
new Location(p.filename).exists())
{
files.add(p.filename);
}
}
return files.toArray(new String[files.size()]);
}
/* @see loci.formats.IFormatReader#close(boolean) */
@Override
public void close(boolean fileOnly) throws IOException {
super.close(fileOnly);
if (!fileOnly) {
if (reader != null) {
reader.close();
}
reader = null;
planes = null;
metadataFiles.clear();
}
}
/**
* @see loci.formats.IFormatReader#openBytes(int, byte[], int, int, int, int)
*/
@Override
public byte[] openBytes(int no, byte[] buf, int x, int y, int w, int h)
throws FormatException, IOException
{
FormatTools.checkPlaneParameters(this, no, buf.length, x, y, w, h);
Arrays.fill(buf, getFillColor());
if (getSeries() < planes.length && no < planes[getSeries()].length) {
Plane p = planes[getSeries()][no];
if (p != null && p.filename != null && new Location(p.filename).exists()) {
if (reader == null) {
reader = new MinimalTiffReader();
}
// return an empty plane if an invalid TIFF file is encountered
try {
reader.setId(p.filename);
}
catch (FormatException|IOException e) {
LOGGER.error("Invalid file " + p.filename, e);
return buf;
}
if (reader.getPixelType() != getPixelType()) {
// return an empty plane if a 32-bit TIFF is encountered in a non-32 bit plate
// 32-bit TIFFs may occur seemingly at random if the acquired images had bright spots (e.g. dust)
// according to PerkinElmer, these images should be considered invalid and
// so are replaced with all 0s
// affected TIFF file paths are logged, as this information is not available
// in the Index.idx.xml
if (reader.getPixelType() == FormatTools.UINT32) {
LOGGER.warn("Found invalid 32-bit TIFF in series {}, plane {}: {}", getSeries(), no, p.filename);
return buf;
}
// if the file's pixel type is not uint32 and still doesn't match the overall plate's type,
// then something else very unexpected is happening
throw new FormatException("Pixel type mismatch in " + p.filename +
" (got " + FormatTools.getPixelTypeString(reader.getPixelType()) + ")");
}
else if (reader.getSizeX() >= getSizeX() && reader.getSizeY() >= getSizeY()) {
reader.openBytes(0, buf, x, y, w, h);
}
else {
LOGGER.warn("Image dimension mismatch in {}", p.filename);
// the XY dimensions of this TIFF are smaller than expected,
// so read the stored image into the upper left corner
// the bottom and right side will have a black border
if (x < reader.getSizeX() && y < reader.getSizeY()) {
int realWidth = (int) Math.min(w, reader.getSizeX() - x);
int realHeight = (int) Math.min(h, reader.getSizeY() - y);
byte[] realPixels =
reader.openBytes(0, x, y, realWidth, realHeight);
int bpp = FormatTools.getBytesPerPixel(getPixelType());
int row = realWidth * bpp;
int outputRow = w * bpp;
for (int yy=0; yy<realHeight; yy++) {
System.arraycopy(realPixels, yy * row, buf, yy * outputRow, row);
}
}
}
reader.close();
}
}
return buf;
}
// -- Internal FormatReader API methods --
/* @see loci.formats.FormatReader#initFile(String) */
@Override
protected void initFile(String id) throws FormatException, IOException {
// make sure that we have the XML file and not a TIFF file
if (!checkSuffix(id, "xml")) {
Location parent = new Location(id).getAbsoluteFile().getParentFile();
Location xml = new Location(parent, XML_FILES[0]);
if (!xml.exists()) {
throw new FormatException("Could not find XML file " +
xml.getAbsolutePath());
}
initFile(xml.getAbsolutePath());
return;
}
else {
super.initFile(id);
}
// assemble list of other metadata/analysis results files
Location currentFile = new Location(currentId).getAbsoluteFile();
metadataFiles.add(currentFile.getAbsolutePath());
Location parent = currentFile.getParentFile();
// only scan for additional files outside the current directory
// if the directory structure is like
// /path/plate_name/Images/Index.idx.xml, i.e. we can expect
// /path/plate_name/Assaylayout/ or similar to exist
// if the XML file's parent directory is something else, don't scan
// so that we don't accidentally pick up other plates or unrelated files
if (parent.getName().equalsIgnoreCase("images")) {
parent = parent.getParentFile();
}
String[] list = parent.list(true);
Arrays.sort(list);
for (String f : list) {
Location path = new Location(parent, f);
String pathName = path.getAbsolutePath();
if (path.isDirectory()) {
// the current file's parent directory will usually be "Images",
// but may have been renamed especially if there are no
// analysis results
if (f.equals(currentFile.getParentFile().getName())) {
LOGGER.trace("Skipping current directory {}", f);
continue;
}
// Skipping other directories containing Operetta metadata files
for (String XML_FILE : XML_FILES) {
if (new Location(path, XML_FILE).exists()) {
LOGGER.trace("Skipping {} containing {}", f, XML_FILE);
continue;
}
}
String[] companionFolders = path.list(true);
Arrays.sort(companionFolders);
for (String folder : companionFolders) {
LOGGER.trace("Found folder {}", folder);
if (!checkSuffix(folder, "tiff"))
{
String metadataFile = new Location(path, folder).getAbsolutePath();
if (!metadataFile.equals(currentFile.getAbsolutePath())) {
metadataFiles.add(metadataFile);
LOGGER.trace("Adding metadata file {}", metadataFile);
}
}
}
}
else if (!checkSuffix(pathName, "tiff") &&
!pathName.equals(currentFile.getAbsolutePath()))
{
metadataFiles.add(pathName);
LOGGER.trace("Adding metadata file {}", pathName);
}
}
// parse plate layout and image dimensions from the XML file
OperettaHandler handler = new OperettaHandler();
try (RandomAccessInputStream xml = new RandomAccessInputStream(id)) {
XMLTools.parseXML(xml, handler);
}
// sort the list of images by well and field indices
ArrayList<Plane> planeList = handler.getPlanes();
ArrayList<Integer> uniqueRows = new ArrayList<Integer>();
ArrayList<Integer> uniqueCols = new ArrayList<Integer>();
ArrayList<String> uniqueWells = new ArrayList<String>();
ArrayList<Integer> uniqueFields = new ArrayList<Integer>();
ArrayList<Integer> uniqueZs = new ArrayList<Integer>();
ArrayList<Integer> uniqueTs = new ArrayList<Integer>();
ArrayList<Integer> uniqueCs = new ArrayList<Integer>();
for (Plane p : planeList) {
if (!uniqueRows.contains(p.row)) {
uniqueRows.add(p.row);
}
if (!uniqueCols.contains(p.col)) {
uniqueCols.add(p.col);
}
if (!uniqueFields.contains(p.field)) {
uniqueFields.add(p.field);
}
if (!uniqueZs.contains(p.z)) {
uniqueZs.add(p.z);
}
if (!uniqueCs.contains(p.c)) {
uniqueCs.add(p.c);
}
if (!uniqueTs.contains(p.t)) {
uniqueTs.add(p.t);
}
String well = FormatTools.getWellName(p.row, p.col);
if (!uniqueWells.contains(well)) {
uniqueWells.add(well);
}
}
Integer[] rows = uniqueRows.toArray(new Integer[uniqueRows.size()]);
Integer[] cols = uniqueCols.toArray(new Integer[uniqueCols.size()]);
Integer[] fields = uniqueFields.toArray(new Integer[uniqueFields.size()]);
Integer[] zs = uniqueZs.toArray(new Integer[uniqueZs.size()]);
Integer[] cs = uniqueCs.toArray(new Integer[uniqueCs.size()]);
Integer[] ts = uniqueTs.toArray(new Integer[uniqueTs.size()]);
Arrays.sort(rows);
Arrays.sort(cols);
Arrays.sort(fields);
Arrays.sort(zs);
Arrays.sort(ts);
Arrays.sort(cs);
int seriesCount = uniqueWells.size() * fields.length;
core.clear();
planes = new Plane[seriesCount][zs.length * cs.length * ts.length];
int nextSeries = 0;
Map<String, Plane> hashToPlane =new HashMap<>();
for (Plane p : planeList) {
String key = p.row+":"+p.col+":"+p.field+":"+p.c+":"+p.z+":"+p.t;
if (hashToPlane.containsKey(key)) {
LOGGER.error("Multiple planes found for key {}",key);
}
hashToPlane.put(key, p);
}
for (int row=0; row<rows.length; row++) {
for (int col=0; col<cols.length; col++) {
String well = FormatTools.getWellName(rows[row], cols[col]);
if (!uniqueWells.contains(well)) {
continue;
}
for (int field=0; field<fields.length; field++) {
int nextPlane = 0;
for (int t=0; t<ts.length; t++) {
for (int z=0; z<zs.length; z++) {
for (int c=0; c<cs.length; c++) {
String key = rows[row]+":"+cols[col]+":"+fields[field]+":"+cs[c]+":"+zs[z]+":"+ts[t];
if (hashToPlane.containsKey(key)) {
planes[nextSeries][nextPlane] = hashToPlane.get(key);
}
nextPlane++;
}
}
}
nextSeries++;
}
}
}
reader = new MinimalTiffReader();
for (int i=0; i<seriesCount; i++) {
CoreMetadata ms = new CoreMetadata();
core.add(ms);
ms.sizeZ = uniqueZs.size();
ms.sizeC = uniqueCs.size();
ms.sizeT = uniqueTs.size();
ms.dimensionOrder = "XYCZT";
ms.rgb = false;
ms.imageCount = getSizeZ() * getSizeC() * getSizeT();
int planeIndex = 0;
while (planeIndex < planes[i].length && planes[i][planeIndex] == null) {
LOGGER.debug("skipping null plane series = {}, plane = {}", i, planeIndex);
planeIndex++;
}
if (planeIndex >= planes[i].length) {
if (i > 0) {
ms.sizeX = core.get(i - 1).sizeX;
ms.sizeY = core.get(i - 1).sizeY;
ms.pixelType = core.get(i - 1).pixelType;
ms.littleEndian = core.get(i - 1).littleEndian;
}
else {
LOGGER.warn("Could not find valid plane for series 0");
}
}
else {
ms.sizeX = planes[i][planeIndex].x;
ms.sizeY = planes[i][planeIndex].y;
String filename = planes[i][planeIndex].filename;
boolean validFile = false;
while (!validFile) {
if (filename != null && new Location(filename).exists()) {
try (RandomAccessInputStream s =
new RandomAccessInputStream(filename, 16)) {
TiffParser parser = new TiffParser(s);
parser.setDoCaching(false);
IFD firstIFD = parser.getFirstIFD();
// ignore any files with a 32-bit pixel type
// we expect valid files to be uint16
// as noted in openBytes above, uint32 data should be ignored because
// it indicates a failure to process images with bright spots
if (firstIFD != null && firstIFD.getPixelType() != FormatTools.UINT32) {
ms.littleEndian = firstIFD.isLittleEndian();
ms.pixelType = firstIFD.getPixelType();
validFile = true;
break;
}
}
} else {
LOGGER.debug("Missing TIFF file: {}", filename);
}
// Check the next plane if possible
planeIndex++;
// The next plane may be null, in which case we need to move to the next non-null one
while (planeIndex < planes[i].length && planes[i][planeIndex] == null) {
LOGGER.debug("skipping null plane series = {}, plane = {}", i, planeIndex);
planeIndex++;
}
if (planeIndex >= planes[i].length) {
break;
}
filename = planes[i][planeIndex].filename;
}
if (!validFile) {
if (i > 0) {
LOGGER.warn("Could not find valid TIFF file for series {}", i);
ms.littleEndian = core.get(0).littleEndian;
ms.pixelType = core.get(0).pixelType;
}
else {
LOGGER.warn("Could not find valid TIFF file for series 0; pixel type may be wrong");
}
}
}
}
// some series may not have valid XY dimensions,
// particularly if the first series was not recorded in the Index.idx.xml
// look for the first series that has valid dimensions and copy as needed
// this will allow blank planes to be returned instead of throwing an exception
//
// unrecorded series are kept so that fields can be compared across wells
int firstValidSeries = -1;
for (int i=0; i<seriesCount; i++) {
if (core.get(i).sizeX > 0 && core.get(i).sizeY > 0) {
firstValidSeries = i;
break;
}
}
if (firstValidSeries < 0) {
throw new FormatException("No valid images found");
}
for (int i=0; i<seriesCount; i++) {
if (core.get(i).sizeX == 0 || core.get(i).sizeY == 0) {
core.get(i).sizeX = core.get(firstValidSeries).sizeX;
core.get(i).sizeY = core.get(firstValidSeries).sizeY;
core.get(i).pixelType = core.get(firstValidSeries).pixelType;
core.get(i).littleEndian = core.get(firstValidSeries).littleEndian;
}
}
addGlobalMeta("Plate name", handler.getPlateName());
addGlobalMeta("Plate description", handler.getPlateDescription());
addGlobalMeta("Plate ID", handler.getPlateIdentifier());
addGlobalMeta("Measurement ID", handler.getMeasurementID());
// populate the MetadataStore
MetadataStore store = makeFilterMetadata();
MetadataTools.populatePixels(store, this, true);
String instrument = MetadataTools.createLSID("Instrument", 0);
store.setInstrumentID(instrument, 0);
String objective = MetadataTools.createLSID("Objective", 0, 0);
store.setObjectiveID(objective, 0, 0);
if (planes[0][0] != null) {
store.setObjectiveNominalMagnification(planes[0][0].magnification, 0, 0);
store.setObjectiveLensNA(planes[0][0].lensNA, 0, 0);
}
store.setPlateID(MetadataTools.createLSID("Plate", 0), 0);
store.setPlateRows(new PositiveInteger(handler.getPlateRows()), 0);
store.setPlateColumns(new PositiveInteger(handler.getPlateColumns()), 0);
String plateAcqID = MetadataTools.createLSID("PlateAcquisition", 0, 0);
store.setPlateAcquisitionID(plateAcqID, 0, 0);
PositiveInteger fieldCount = FormatTools.getMaxFieldCount(fields.length);
if (fieldCount != null) {
store.setPlateAcquisitionMaximumFieldCount(fieldCount, 0, 0);
}
String startTime = handler.getMeasurementTime();
if (startTime != null) {
store.setPlateAcquisitionStartTime(new Timestamp(startTime), 0, 0);
}
int well = 0;
for (int row=0; row<rows.length; row++) {
for (int col=0; col<cols.length; col++) {
String wellName = FormatTools.getWellName(rows[row], cols[col]);
if (!uniqueWells.contains(wellName)) {
continue;
}
store.setWellID(MetadataTools.createLSID("Well", 0, well), 0, well);
store.setWellRow(new NonNegativeInteger(rows[row]), 0, well);
store.setWellColumn(new NonNegativeInteger(cols[col]), 0, well);
for (int field=0; field<fields.length; field++) {
int imageIndex = well * fields.length + field;
String wellSampleID =
MetadataTools.createLSID("WellSample", 0, well, field);
store.setWellSampleID(wellSampleID, 0, well, field);
store.setWellSampleIndex(
new NonNegativeInteger(imageIndex), 0, well, field);
String imageID = MetadataTools.createLSID("Image", imageIndex);
store.setImageID(imageID, imageIndex);
store.setWellSampleImageRef(imageID, 0, well, field);
store.setImageInstrumentRef(instrument, imageIndex);
store.setObjectiveSettingsID(objective, imageIndex);
String name = "Well " + wellName + ", Field " + (field + 1);
store.setImageName(name, imageIndex);
store.setPlateAcquisitionWellSampleRef(
wellSampleID, 0, 0, imageIndex);
if (planes[imageIndex][0] != null && planes[imageIndex][0].absoluteTime != null) {
store.setImageAcquisitionDate(planes[imageIndex][0].absoluteTime, imageIndex);
store.setWellSamplePositionX(planes[imageIndex][0].positionX, 0, well, field);
store.setWellSamplePositionY(planes[imageIndex][0].positionY, 0, well, field);
}
}
well++;
}
}
if (getMetadataOptions().getMetadataLevel() != MetadataLevel.MINIMUM) {
store.setPlateName(handler.getPlateName(), 0);
store.setPlateDescription(handler.getPlateDescription(), 0);
store.setPlateExternalIdentifier(handler.getPlateIdentifier(), 0);
String experimenterID = MetadataTools.createLSID("Experimenter", 0);
store.setExperimenterID(experimenterID, 0);
store.setExperimenterLastName(handler.getExperimenterName(), 0);
for (int i=0; i<getSeriesCount(); i++) {
store.setImageExperimenterRef(experimenterID, i);
Plane first = planes[i][0];
for (int c=0; c<getSizeC(); c++) {
// try to get a non-null plane for this channel
// if not every channel was acquired at every Z and T,
// then the first plane for this channel may be null
// which means some channel metadata would not be
// stored in OME-XML
Plane plane = planes[i][c];
if (plane == null) {
int start = c;
while (plane == null && start < planes[i].length) {
plane = planes[i][start];
start += getSizeC();
}
}
if (plane != null) {
if (first == null) {
first = plane;
}
if (plane.channelName != null) {
store.setChannelName(plane.channelName, i, c);
}
if (plane.acqType != null) {
store.setChannelAcquisitionMode(
MetadataTools.getAcquisitionMode(plane.acqType), i, c);
}
if (plane.channelType != null) {
store.setChannelContrastMethod(
MetadataTools.getContrastMethod(plane.channelType), i, c);
}
store.setChannelColor(getColor(plane.emWavelength), i, c);
store.setChannelEmissionWavelength(
FormatTools.getEmissionWavelength(plane.emWavelength), i, c);
store.setChannelExcitationWavelength(
FormatTools.getExcitationWavelength(plane.exWavelength), i, c);
}
}
Plane last = null;
for (int p=0; p<getImageCount(); p++) {
if (planes[i][p] != null) {
store.setPlanePositionX(planes[i][p].positionX, i, p);
store.setPlanePositionY(planes[i][p].positionY, i, p);
store.setPlanePositionZ(planes[i][p].positionZ, i, p);
store.setPlaneExposureTime(planes[i][p].exposureTime, i, p);
store.setPlaneDeltaT(planes[i][p].deltaT, i, p);
if (getZCTCoords(p)[0] == getSizeZ() - 1) {
last = planes[i][p];
}
}
}
if (first != null) {
store.setPixelsPhysicalSizeX(
FormatTools.getPhysicalSizeX(first.resolutionX), i);
store.setPixelsPhysicalSizeY(
FormatTools.getPhysicalSizeY(first.resolutionY), i);
if (getSizeZ() > 1 && last != null) {
Unit<Length> firstZUnit = first.positionZ.unit();
double firstZ = first.positionZ.value().doubleValue();
double lastZ = last.positionZ.value(firstZUnit).doubleValue();
double averageStep = (lastZ - firstZ) / (getSizeZ() - 1);
store.setPixelsPhysicalSizeZ(FormatTools.getPhysicalSizeZ(averageStep, firstZUnit), i);
}
}
}
}
}
// -- Helper classes --
class OperettaHandler extends BaseHandler {
// -- Fields --
private String currentName;
private Plane activePlane;
private Channel activeChannel;
private String displayName;
private String plateID;
private String measurementID;
private String measurementTime;
private String plateName;
private String plateDescription;
private int plateRows, plateCols;
private ArrayList<Plane> planes = new ArrayList<Plane>();
private HashMap<Integer, Channel> channels = new HashMap<Integer, Channel>();
private final StringBuilder currentValue = new StringBuilder();
private boolean isHarmony = false;
private String instrumentType = null;
// -- OperettaHandler API methods --
public ArrayList<Plane> getPlanes() {
return planes;
}
public String getExperimenterName() {
return displayName;
}
public String getPlateIdentifier() {
return plateID;
}
public String getMeasurementID() {
return measurementID;
}
public String getMeasurementTime() {
return measurementTime;
}
public String getPlateName() {
return plateName;
}
public String getPlateDescription() {
return plateDescription;
}
public int getPlateRows() {
return plateRows;
}
public int getPlateColumns() {
return plateCols;
}
public String getInstrumentType() {
return instrumentType;
}
// -- DefaultHandler API methods --
@Override
public void characters(char[] ch, int start, int length) {
String value = new String(ch, start, length);
currentValue.append(value);
}
@Override
public void startElement(String uri, String localName, String qName,
Attributes attributes)
{
currentValue.setLength(0);
currentName = qName;
if (qName.equals("Image") && attributes.getValue("id") == null) {
activePlane = new Plane();
}
else if (qName.equals("Entry") && attributes.getValue("ChannelID") != null) {
int channel = Integer.parseInt(attributes.getValue("ChannelID"));
activeChannel = new Channel();
channels.put(channel, activeChannel);
}
else if (qName.equals("EvaluationInputData")) {
isHarmony = attributes.getValue("xmlns").indexOf(HARMONY_MAGIC) > 0;
}
}
@Override
public void endElement(String uri, String localName, String qName) {
String value = currentValue.toString();
if ("User".equals(currentName)) {
displayName = value;
}
else if ("InstrumentType".equals(currentName)) {
instrumentType = value;
}
else if ("PlateID".equals(currentName)) {
plateID = value;
}
else if ("MeasurementID".equals(currentName)) {
measurementID = value;
}
else if ("MeasurementStartTime".equals(currentName)) {
measurementTime = value;
}
else if ("Name".equals(currentName)) {
plateName = value;
}
else if ("PlateTypeName".equals(currentName)) {
plateDescription = value;
}
else if ("PlateRows".equals(currentName)) {
plateRows = Integer.parseInt(value);
}
else if ("PlateColumns".equals(currentName)) {
plateCols = Integer.parseInt(value);
}
else if (activePlane != null || activeChannel != null) {
if ("ImageSizeX".equals(currentName)) {
int x = Integer.parseInt(value);
if (activePlane != null) {
activePlane.x = x;
}
else if (activeChannel != null) {
activeChannel.x = x;
}
}
else if ("ImageSizeY".equals(currentName)) {
int y = Integer.parseInt(value);
if (activePlane != null) {
activePlane.y = y;
}
else if (activeChannel != null) {
activeChannel.y = y;
}
}
else if ("ChannelName".equals(currentName)) {
if (activePlane != null) {
activePlane.channelName = value;
}
else if (activeChannel != null) {
activeChannel.channelName = value;
}
}
else if ("ImageResolutionX".equals(currentName)) {
// resolution stored in meters
Double resolution = Double.parseDouble(value) * 1000000;
if (activePlane != null) {
activePlane.resolutionX = resolution;
}
else if (activeChannel != null) {
activeChannel.resolutionX = resolution;
}
}
else if ("ImageResolutionY".equals(currentName)) {
// resolution stored in meters
Double resolution = Double.parseDouble(value) * 1000000;
if (activePlane != null) {
activePlane.resolutionY = resolution;
}
else if (activeChannel != null) {
activeChannel.resolutionY = resolution;
}
}
else if ("ObjectiveMagnification".equals(currentName)) {
Double mag = Double.parseDouble(value);
if (activePlane != null) {
activePlane.magnification = mag;
}
else if (activeChannel != null) {
activeChannel.magnification = mag;
}
}
else if ("ObjectiveNA".equals(currentName)) {
Double na = Double.parseDouble(value);
if (activePlane != null) {
activePlane.lensNA = na;
}
else if (activeChannel != null) {
activeChannel.lensNA = na;
}
}
else if ("MainEmissionWavelength".equals(currentName)) {
Double wavelength = Double.parseDouble(value);
if (activePlane != null) {
activePlane.emWavelength = wavelength;
}
else if (activeChannel != null) {
activeChannel.emWavelength = wavelength;
}
}
else if ("MainExcitationWavelength".equals(currentName)) {
Double wavelength = Double.parseDouble(value);
if (activePlane != null) {
activePlane.exWavelength = wavelength;
}
else if (activeChannel != null) {
activeChannel.exWavelength = wavelength;
}
}
else if ("ExposureTime".equals(currentName)) {
Time time = new Time(Double.parseDouble(value), UNITS.SECOND);
if (activePlane != null) {
activePlane.exposureTime = time;
}
else if (activeChannel != null) {
activeChannel.exposureTime = time;
}
}
else if ("AcquisitionType".equals(currentName)) {
if (activePlane != null) {
activePlane.acqType = value;
}
else if (activeChannel != null) {
activeChannel.acqType = value;
}
}
else if ("ChannelType".equals(currentName)) {
if (activePlane != null) {
activePlane.channelType = value;
}
else if (activeChannel != null) {
activeChannel.channelType = value;
}
}
else if ("OrientationMatrix".equals(currentName)) {
// matrix that indicates how to interpret plane position values
String[] rows = value.split("]");
Double[][] matrix = new Double[rows.length][];
for (int i=0; i<rows.length; i++) {
rows[i] = rows[i].replaceAll("\\[", "").replaceAll(",", " ");
String[] values = rows[i].trim().split(" ");
matrix[i] = new Double[values.length];
for (int j=0; j<matrix[i].length; j++) {
matrix[i][j] = DataTools.parseDouble(values[j]);
}
}
if (matrix.length > 2 && matrix[0].length > 0 &&
matrix[1].length > 1 && matrix[2].length > 2)
{
if (activePlane != null) {
activePlane.orientationMatrix = matrix;
}
else if (activeChannel != null) {
activeChannel.orientationMatrix = matrix;
}
}
}
}
if (activePlane != null) {
if ("URL".equals(currentName)) {
if (value.length() > 0) {
if (value.startsWith("http")) {
activePlane.filename = value;
}
else {