/*
* #%L
* OME Bio-Formats package for reading and converting biological file formats.
* %%
* Copyright (C) 2005 - 2015 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.Arrays;
import java.util.ArrayList;
import loci.common.ByteArrayHandle;
import loci.common.DataTools;
import loci.common.IRandomAccess;
import loci.common.Location;
import loci.common.RandomAccessInputStream;
import loci.common.services.DependencyException;
import loci.common.services.ServiceException;
import loci.common.services.ServiceFactory;
import loci.formats.CoreMetadata;
import loci.formats.FormatException;
import loci.formats.FormatReader;
import loci.formats.FormatTools;
import loci.formats.MetadataTools;
import loci.formats.MissingLibraryException;
import loci.formats.codec.LZOCodec;
import loci.formats.meta.MetadataStore;
import loci.formats.services.MetakitService;
import ome.xml.model.primitives.PositiveFloat;
import ome.xml.model.primitives.PositiveInteger;
import ome.units.quantity.Time;
import ome.units.quantity.Length;
import ome.units.UNITS;
/**
* VolocityReader is the file format reader for Volocity library files.
*
* @author Melissa Linkert melissa at glencoesoftware.com
*/
public class VolocityReader extends FormatReader {
// -- Constants --
private static final String DATA_DIR = "Data";
private static final String EMBEDDED_STREAM = "embedded-stream.raw";
private static final int SIGNATURE_SIZE = 13;
// -- Fields --
private ArrayList<Stack> stacks;
private ArrayList<String> extraFiles;
private Object[][] sampleTable, stringTable;
private Location dir = null;
private ArrayList<Double[]> timestamps = new ArrayList<Double[]>();
// -- Constructor --
/** Constructs a new Volocity reader. */
public VolocityReader() {
super("Volocity Library",
new String[] {"mvd2", "aisf", "aiix", "dat", "atsf"});
domains = new String[] {FormatTools.UNKNOWN_DOMAIN};
hasCompanionFiles = true;
datasetDescription = "One .mvd2 file plus a 'Data' directory";
}
// -- IFormatReader API methods --
/* @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(extraFiles);
if (!noPixels) {
Stack stack = stacks.get(getSeries());
for (int c=0; c<getEffectiveSizeC(); c++) {
files.add(stack.pixelsFiles[c]);
}
if (stack.timestampFile != null) {
files.add(stack.timestampFile);
}
}
return files.toArray(new String[files.size()]);
}
/* @see loci.formats.IFormatReader#isThisType(String, boolean) */
@Override
public boolean isThisType(String name, boolean open) {
if (checkSuffix(name, "mvd2")) {
return super.isThisType(name, open);
}
if (open && checkSuffix(name, suffixes)) {
Location file = new Location(name).getAbsoluteFile();
Location parent = file.getParentFile();
parent = parent.getParentFile();
if (parent != null) {
parent = parent.getParentFile();
if (parent != null) {
Location mvd2 = new Location(parent, parent.getName() + ".mvd2");
return mvd2.exists() && super.isThisType(mvd2.getAbsolutePath());
}
}
}
return false;
}
/* @see loci.formats.IFormatReader#isThisType(RandomAccessInputStream) */
@Override
public boolean isThisType(RandomAccessInputStream stream) throws IOException {
final int blockLen = 2;
if (!FormatTools.validStream(stream, blockLen, false)) return false;
String check = stream.readString(blockLen);
return check.equals("JL") || check.equals("LJ");
}
/**
* @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);
int[] zct = getZCTCoords(no);
Stack stack = stacks.get(getSeries());
if (!new Location(stack.pixelsFiles[zct[1]]).exists()) {
Arrays.fill(buf, (byte) 0);
return buf;
}
RandomAccessInputStream pix =
new RandomAccessInputStream(stack.pixelsFiles[zct[1]]);
int padding = zct[2] * stack.planePadding;
long planeSize = FormatTools.getPlaneSize(this);
int planesInFile = (int) (pix.length() / planeSize);
int planeIndex = no / getEffectiveSizeC();
if (planesInFile == getSizeT()) {
planeIndex = zct[2];
int block = stack.blockSize;
padding = block - (int) (planeSize % block);
if (padding == block) {
padding = 0;
}
padding *= zct[2];
}
long offset = (long) stack.blockSize + planeIndex * planeSize + padding;
if (offset >= pix.length()) {
pix.close();
return buf;
}
pix.seek(offset);
if (stack.clippingData) {
pix.seek(offset - 3);
ByteArrayHandle v = new ByteArrayHandle();
while (v.length() < FormatTools.getPlaneSize(this) &&
pix.getFilePointer() < pix.length())
{
try {
byte[] b = new LZOCodec().decompress(pix, null);
pix.skipBytes(4);
v.write(b);
}
catch (IOException e) { }
}
RandomAccessInputStream s = new RandomAccessInputStream(v);
s.seek(0);
readPlane(s, x, y, w, h, buf);
s.close();
}
else {
if (pix.getFilePointer() + planeSize > pix.length()) {
return buf;
}
readPlane(pix, x, y, w, h, buf);
}
pix.close();
if (getRGBChannelCount() == 4) {
// stored as ARGB, need to swap to RGBA
for (int i=0; i<buf.length/4; i++) {
byte a = buf[i * 4];
buf[i * 4] = buf[i * 4 + 1];
buf[i * 4 + 1] = buf[i * 4 + 2];
buf[i * 4 + 2] = buf[i * 4 + 3];
buf[i * 4 + 3] = a;
}
}
return buf;
}
/* @see loci.formats.IFormatReader#close(boolean) */
@Override
public void close(boolean fileOnly) throws IOException {
super.close(fileOnly);
if (!fileOnly) {
stacks = null;
sampleTable = null;
stringTable = null;
dir = null;
timestamps.clear();
Location.mapFile(EMBEDDED_STREAM, null);
}
}
// -- Internal FormatReader API methods --
/* @see loci.formats.FormatReader#initFile(String) */
@Override
protected void initFile(String id) throws FormatException, IOException {
if (!checkSuffix(id, "mvd2")) {
Location file = new Location(id).getAbsoluteFile();
Location parent = file.getParentFile().getParentFile();
String[] files = parent.list(true);
for (String f : files) {
if (checkSuffix(f, "mvd2")) {
id = new Location(parent, f).getAbsolutePath();
break;
}
}
}
super.initFile(id);
stacks = new ArrayList<Stack>();
extraFiles = new ArrayList<String>();
Location file = new Location(id).getAbsoluteFile();
extraFiles.add(file.getAbsolutePath());
Location parentDir = file.getParentFile();
dir = new Location(parentDir, DATA_DIR);
if (dir.exists()) {
String[] files = dir.list(true);
for (String f : files) {
if (!checkSuffix(f, "aisf") && !checkSuffix(f, "atsf")) {
extraFiles.add(new Location(dir, f).getAbsolutePath());
}
}
}
try {
ServiceFactory factory = new ServiceFactory();
MetakitService reader = factory.getInstance(MetakitService.class);
reader.initialize(id);
sampleTable = reader.getTableData(1);
stringTable = reader.getTableData(2);
reader.close();
}
catch (DependencyException e) {
throw new MissingLibraryException("Could not find Metakit library", e);
}
ArrayList<String> stackNames = new ArrayList<String>();
ArrayList<Integer> parentIDs = new ArrayList<Integer>();
for (int i=0; i<sampleTable.length; i++) {
Integer stringID = (Integer) sampleTable[i][11];
String name = getString(stringID);
int channelIndex = getChildIndex((Integer) sampleTable[i][0], "Channels");
if (i > 0 && (Integer) sampleTable[i][2] == 1 && (channelIndex >= 0 ||
(sampleTable[i][14] != null && !sampleTable[i][14].equals(0)) ||
((byte[]) sampleTable[i][13]).length > 21))
{
if (channelIndex < 0) {
RandomAccessInputStream s = getStream(i);
s.seek(0);
if (s.read() != 'I') {
s.order(false);
}
s.seek(22);
int x = s.readInt();
int y = s.readInt();
int z = s.readInt();
if (x * y * z > 0 && x * y * z < (s.length() * 3)) {
stackNames.add(name);
parentIDs.add((Integer) sampleTable[i][0]);
}
s.close();
}
else {
stackNames.add(name);
parentIDs.add((Integer) sampleTable[i][0]);
}
}
}
for (int i=0; i<parentIDs.size(); i++) {
Stack stack = new Stack();
stack.core = new CoreMetadata();
Integer parent = parentIDs.get(i);
int channelIndex = getChildIndex(parent, "Channels");
if (channelIndex >= 0) {
Integer[] channels =
getAllChildren((Integer) sampleTable[channelIndex][0]);
stack.core.sizeC = channels.length;
stack.pixelsFiles = new String[stack.core.sizeC];
stack.channelNames = new String[channels.length];
for (int c=0; c<channels.length; c++) {
stack.channelNames[c] =
getString((Integer) sampleTable[channels[c]][11]);
RandomAccessInputStream data = getStream(channels[c]);
if (data.length() > 22) {
data.seek(22);
int stackID = data.readInt();
Location f = new Location(dir, stackID + ".aisf");
if (!f.exists()) {
f = new Location(dir, DataTools.swap(stackID) + ".aisf");
}
stack.pixelsFiles[c] = f.getAbsolutePath();
}
else {
Integer child =
getAllChildren((Integer) sampleTable[channels[c]][0])[0];
stack.pixelsFiles[c] =
getFile((Integer) sampleTable[child][0], dir);
}
data.close();
}
}
else {
stack.pixelsFiles = new String[1];
stack.pixelsFiles[0] = getFile(parent, dir);
if (stack.pixelsFiles[0] == null ||
!new Location(stack.pixelsFiles[0]).exists())
{
int row = -1;
for (int r=0; r<sampleTable.length; r++) {
if (sampleTable[r][0].equals(parent)) {
row = r;
break;
}
}
stack.pixelsFiles[0] = EMBEDDED_STREAM;
IRandomAccess data =
new ByteArrayHandle((byte[]) sampleTable[row][13]);
Location.mapFile(stack.pixelsFiles[0], data);
}
}
RandomAccessInputStream data = null;
int timestampIndex = getChildIndex(parent, "Timepoint times stream");
if (timestampIndex >= 0) {
data = getStream(timestampIndex);
data.seek(22);
int timestampID = data.readInt();
Location f = new Location(dir, timestampID + ".atsf");
if (!f.exists()) {
f = new Location(dir, DataTools.swap(timestampID) + ".atsf");
}
stack.timestampFile = f.getAbsolutePath();
data.close();
}
int xIndex = getChildIndex(parent, "um/pixel (X)");
if (xIndex >= 0) {
data = getStream(xIndex);
data.seek(SIGNATURE_SIZE);
stack.physicalX = data.readDouble();
data.close();
}
int yIndex = getChildIndex(parent, "um/pixel (Y)");
if (yIndex >= 0) {
data = getStream(yIndex);
data.seek(SIGNATURE_SIZE);
stack.physicalY = data.readDouble();
data.close();
}
int zIndex = getChildIndex(parent, "um/pixel (Z)");
if (zIndex >= 0) {
data = getStream(zIndex);
data.seek(SIGNATURE_SIZE);
stack.physicalZ = data.readDouble();
data.close();
}
timestampIndex = getChildIndex(parent, "TimepointTimes");
if (timestampIndex >= 0) {
data = getStream(timestampIndex);
data.seek(SIGNATURE_SIZE);
data.close();
}
int objectiveIndex = getChildIndex(parent, "Microscope Objective");
if (objectiveIndex >= 0) {
data = getStream(objectiveIndex);
data.seek(SIGNATURE_SIZE);
stack.magnification = data.readDouble();
data.close();
}
int detectorIndex = getChildIndex(parent, "Camera/Detector");
if (detectorIndex >= 0) {
data = getStream(detectorIndex);
data.seek(SIGNATURE_SIZE);
int len = data.readInt();
stack.detector = data.readString(len);
data.close();
}
int descriptionIndex = getChildIndex(parent, "Experiment Description");
if (descriptionIndex >= 0) {
data = getStream(descriptionIndex);
data.seek(SIGNATURE_SIZE);
int len = data.readInt();
stack.description = data.readString(len);
data.close();
}
int xLocationIndex = getChildIndex(parent, "X Location");
if (xLocationIndex >= 0) {
data = getStream(xLocationIndex);
data.seek(SIGNATURE_SIZE);
stack.xLocation = data.readDouble();
data.close();
}
int yLocationIndex = getChildIndex(parent, "Y Location");
if (yLocationIndex >= 0) {
data = getStream(yLocationIndex);
data.seek(SIGNATURE_SIZE);
stack.yLocation = data.readDouble();
data.close();
}
int zLocationIndex = getChildIndex(parent, "Z Location");
if (zLocationIndex >= 0) {
data = getStream(zLocationIndex);
data.seek(SIGNATURE_SIZE);
stack.zLocation = data.readDouble();
data.close();
}
stacks.add(stack);
}
// split up channels as necessary
for (int i=0; i<stacks.size(); i++) {
Stack stack = stacks.get(i);
if (!new Location(stack.pixelsFiles[0]).exists()) {
stacks.remove(i);
i--;
continue;
}
RandomAccessInputStream base =
new RandomAccessInputStream(stack.pixelsFiles[0]);
long baseLength = base.length();
base.close();
for (int q=1; q<stack.pixelsFiles.length; q++) {
if (!new Location(stack.pixelsFiles[q]).exists()) {
continue;
}
base = new RandomAccessInputStream(stack.pixelsFiles[q]);
long length = base.length();
base.close();
if (length > baseLength) {
// split the stack
Stack newStack = new Stack();
newStack.timestampFile = stack.timestampFile;
newStack.core = new CoreMetadata();
newStack.physicalX = stack.physicalX;
newStack.physicalY = stack.physicalY;
newStack.physicalZ = stack.physicalZ;
newStack.magnification = stack.magnification;
newStack.detector = stack.detector;
newStack.description = stack.description;
newStack.xLocation = stack.xLocation;
newStack.yLocation = stack.yLocation;
newStack.zLocation = stack.zLocation;
String[] pixels = stack.pixelsFiles;
newStack.pixelsFiles = new String[pixels.length - q];
System.arraycopy(pixels, q, newStack.pixelsFiles, 0,
newStack.pixelsFiles.length);
stack.pixelsFiles = new String[q];
System.arraycopy(pixels, 0, stack.pixelsFiles, 0, q);
String[] channels = stack.channelNames;
newStack.channelNames = new String[channels.length - q];
System.arraycopy(channels, q, newStack.channelNames, 0,
newStack.channelNames.length);
stack.channelNames = new String[q];
System.arraycopy(channels, 0, stack.channelNames, 0, q);
newStack.core.sizeC = newStack.channelNames.length;
stack.core.sizeC = stack.channelNames.length;
stacks.add(i + 1, newStack);
stackNames.add(i + 1, stackNames.get(i));
}
}
}
int seriesCount = stacks.size();
core.clear();
for (int i=0; i<seriesCount; i++) {
Stack stack = stacks.get(i);
CoreMetadata ms = stack.core;
core.add(ms);
setSeries(i);
ms.littleEndian = true;
if (stack.timestampFile != null) {
RandomAccessInputStream s =
new RandomAccessInputStream(stack.timestampFile);
s.seek(0);
if (s.read() != 'I') {
ms.littleEndian = false;
}
s.seek(17);
s.order(isLittleEndian());
ms.sizeT = s.readInt();
Double firstStamp = null;
Double[] stamps = new Double[ms.sizeT];
for (int t=0; t<ms.sizeT; t++) {
// timestamps are stored in microseconds
double timestamp = s.readLong() / 1000000.0;
if (firstStamp == null) {
firstStamp = timestamp;
}
stamps[t] = timestamp - firstStamp;
}
timestamps.add(stamps);
s.close();
}
else {
ms.sizeT = 1;
}
ms.rgb = false;
ms.interleaved = true;
ms.dimensionOrder = "XYCZT";
RandomAccessInputStream s =
new RandomAccessInputStream(stack.pixelsFiles[0]);
s.order(isLittleEndian());
if (checkSuffix(stack.pixelsFiles[0], "aisf")) {
s.seek(18);
stack.blockSize = s.readShort() * 256;
s.skipBytes(5);
int x = s.readInt();
int y = s.readInt();
int zStart = s.readInt();
int w = s.readInt();
int h = s.readInt();
if (w - x < 0 || h - y < 0 || (w - x) * (h - y) < 0) {
ms.littleEndian = !isLittleEndian();
s.order(isLittleEndian());
s.seek(s.getFilePointer() - 20);
x = s.readInt();
y = s.readInt();
zStart = s.readInt();
w = s.readInt();
h = s.readInt();
}
ms.sizeX = w - x;
ms.sizeY = h - y;
ms.sizeZ = s.readInt() - zStart;
ms.imageCount = getSizeZ() * getSizeC() * getSizeT();
ms.pixelType = FormatTools.INT8;
int planesPerFile = getSizeZ() * getSizeT();
int planeSize = FormatTools.getPlaneSize(this);
int bytesPerPlane =
(int) ((s.length() - stack.blockSize) / planesPerFile);
int bytesPerPixel = 0;
while (bytesPerPlane >= planeSize) {
bytesPerPixel++;
bytesPerPlane -= planeSize;
}
if ((bytesPerPixel % 3) == 0) {
ms.sizeC *= 3;
ms.rgb = true;
bytesPerPixel /= 3;
}
ms.pixelType = FormatTools.pixelTypeFromBytes(
bytesPerPixel, false, bytesPerPixel > 2);
// full timepoints are padded to have a multiple of 256 bytes
int timepoint = FormatTools.getPlaneSize(this) * getSizeZ();
stack.planePadding = stack.blockSize - (timepoint % stack.blockSize);
if (stack.planePadding == stack.blockSize) {
stack.planePadding = 0;
}
}
else {
boolean embedded = Location.getMappedFile(EMBEDDED_STREAM) != null;
s.seek(0);
if (s.read() != 'I') {
ms.littleEndian = false;
s.order(false);
}
s.seek(22);
ms.sizeX = s.readInt();
ms.sizeY = s.readInt();
ms.sizeZ = s.readInt();
ms.sizeC = embedded ? 1 : 4;
ms.imageCount = getSizeZ() * getSizeT();
ms.rgb = ms.sizeC > 1;
ms.pixelType = FormatTools.UINT8;
stack.blockSize = embedded ? (int) s.getFilePointer() : 99;
stack.planePadding = 0;
if (s.length() > ms.sizeX * ms.sizeY * ms.sizeZ * 6) {
ms.pixelType = FormatTools.UINT16;
ms.sizeC = 3;
ms.rgb = true;
}
if (s.length() <
(ms.sizeX * ms.sizeY * ms.sizeZ * ms.sizeC))
{
ms.rgb = false;
ms.sizeC = 1;
long pixels = ms.sizeX * ms.sizeY * ms.sizeZ;
double approximateBytes = (double) s.length() / pixels;
int bytes = (int) Math.ceil(approximateBytes);
if (bytes == 0) {
bytes = 1;
}
else if (bytes == 3) {
bytes = 2;
}
ms.pixelType =
FormatTools.pixelTypeFromBytes(bytes, false, false);
s.seek(70);
stack.blockSize = s.readInt();
stack.clippingData = true;
}
}
s.close();
}
setSeries(0);
for (int i=0; i<getSeriesCount(); i++) {
setSeries(i);
Stack stack = stacks.get(i);
addSeriesMeta("Name", stackNames.get(i));
addSeriesMeta("Pixel width (in microns)", stack.physicalX);
addSeriesMeta("Pixel height (in microns)", stack.physicalY);
addSeriesMeta("Z step (in microns)", stack.physicalZ);
addSeriesMeta("Objective magnification", stack.magnification);
addSeriesMeta("Camera/Detector", stack.detector);
addSeriesMeta("Description", stack.description);
addSeriesMeta("X Location", stack.xLocation);
addSeriesMeta("Y Location", stack.yLocation);
addSeriesMeta("Z Location", stack.zLocation);
if (stack.channelNames != null) {
for (int c=0; c<stack.channelNames.length; c++) {
addSeriesMetaList("Channel", stack.channelNames[c]);
}
}
}
setSeries(0);
MetadataStore store = makeFilterMetadata();
MetadataTools.populatePixels(store, this, true);
String instrument = MetadataTools.createLSID("Instrument", 0);
store.setInstrumentID(instrument, 0);
for (int i=0; i<getSeriesCount(); i++) {
store.setImageInstrumentRef(instrument, i);
setSeries(i);
Stack stack = stacks.get(i);
store.setImageName(stackNames.get(i), i);
store.setImageDescription(stack.description, i);
if (stack.channelNames != null) {
for (int c=0; c<getEffectiveSizeC(); c++) {
store.setChannelName(stack.channelNames[c], i, c);
}
}
Length sizeX = FormatTools.getPhysicalSizeX(stack.physicalX);
Length sizeY = FormatTools.getPhysicalSizeY(stack.physicalY);
Length sizeZ = FormatTools.getPhysicalSizeZ(stack.physicalZ);
if (sizeX != null) {
store.setPixelsPhysicalSizeX(sizeX, i);
}
if (sizeY != null) {
store.setPixelsPhysicalSizeY(sizeY, i);
}
if (sizeZ != null) {
store.setPixelsPhysicalSizeZ(sizeZ, i);
}
String objective = MetadataTools.createLSID("Objective", 0, i);
store.setObjectiveID(objective, 0, i);
store.setObjectiveNominalMagnification(stack.magnification, 0, i);
store.setObjectiveCorrection(getCorrection("Other"), 0, i);
store.setObjectiveImmersion(getImmersion("Other"), 0, i);
store.setObjectiveSettingsID(objective, i);
String detectorID = MetadataTools.createLSID("Detector", 0, i);
store.setDetectorID(detectorID, 0, i);
store.setDetectorModel(stack.detector, 0, i);
for (int c=0; c<getEffectiveSizeC(); c++) {
store.setDetectorSettingsID(detectorID, i, c);
}
for (int img=0; img<getImageCount(); img++) {
int[] coords = getZCTCoords(img);
int z = coords[0];
final Length xLoc = new Length(stack.xLocation, UNITS.REFERENCEFRAME);
final Length yLoc = new Length(stack.yLocation, UNITS.REFERENCEFRAME);
store.setPlanePositionX(xLoc, i, img);
store.setPlanePositionY(yLoc, i, img);
if (stack.physicalZ != null) {
final double zLocNumber = stack.zLocation + z * stack.physicalZ;
final Length zLoc = new Length(zLocNumber, UNITS.REFERENCEFRAME);
store.setPlanePositionZ(zLoc, i, img);
}
if (i < timestamps.size() && coords[2] < timestamps.get(i).length && timestamps.get(i)[coords[2]] != null) {
store.setPlaneDeltaT(new Time(timestamps.get(i)[coords[2]], UNITS.S), i, img);
}
}
}
setSeries(0);
}
private String getString(Integer stringID) {
for (int row=0; row<stringTable.length; row++) {
if (stringID.equals(stringTable[row][0])) {
String s = (String) stringTable[row][1];
if (s != null) {
s = s.trim();
}
return s;
}
}
return null;
}
private int getChildIndex(Integer parentID, String childName) {
for (int row=0; row<sampleTable.length; row++) {
if (parentID.equals(sampleTable[row][1])) {
String name = getString((Integer) sampleTable[row][11]);
if (childName.equals(name)) {
return row;
}
}
}
return -1;
}
private Integer[] getAllChildren(Integer parentID) {
ArrayList<Integer> children = new ArrayList<Integer>();
for (int row=0; row<sampleTable.length; row++) {
if (parentID.equals(sampleTable[row][1])) {
children.add(row);
}
}
return children.toArray(new Integer[children.size()]);
}
private RandomAccessInputStream getStream(int row) throws IOException {
Object o = sampleTable[row][14];
String fileLink = o == null ? "0" : o.toString().trim();
RandomAccessInputStream data = null;
if (fileLink.equals("0")) {
data = new RandomAccessInputStream((byte[]) sampleTable[row][13]);
}
else {
fileLink = new Location(dir, fileLink + ".dat").getAbsolutePath();
data = new RandomAccessInputStream(fileLink);
}
data.order(true);
return data;
}
private String getFile(Integer parent, Location dir) {
for (int row=0; row<sampleTable.length; row++) {
if (parent.equals(sampleTable[row][0])) {
Object o = sampleTable[row][14];
if (o != null) {
String fileLink = o.toString().trim() + ".dat";
return new Location(dir, fileLink).getAbsolutePath();
}
}
}
return null;
}
// -- Helper class --
class Stack {
public String[] pixelsFiles;
public String timestampFile;
public int planePadding;
public int blockSize;
public boolean clippingData;
public CoreMetadata core;
public String[] channelNames;
public Double physicalX;
public Double physicalY;
public Double physicalZ;
public Double magnification;
public String detector;
public String description;
public double xLocation;
public double yLocation;
public double zLocation;
}
}