private Object tryOpen(String directory, String name, String path) {
// set up a stream to read in 132 bytes from the file header
// These can be checked for "magic" values which are diagnostic
// of some image types
InputStream is;
byte[] buf = new byte[132];
try {
if (0 == path.indexOf("http://")) is = new java.net.URL(path).openStream();
else is = new FileInputStream(path);
is.read(buf, 0, 132);
is.close();
} catch (IOException e) {
// couldn't open the file for reading
return null;
}
name = name.toLowerCase();
width = PLUGIN_NOT_FOUND;
// Temporarily suppress "plugin not found" errors if LOCI Bio-Formats plugin is installed
if (Menus.getCommands().get("Bio-Formats Importer") != null
&& IJ.getVersion().compareTo("1.37u") >= 0) IJ.suppressPluginNotFoundError();
// OK now we get to the interesting bit
// GJ: added Biorad PIC confocal file handler
// ------------------------------------------
// These make 12345 if you read them as the right kind of short
// and should have this value in every Biorad PIC file
if (buf[54] == 57 && buf[55] == 48) {
return tryPlugIn("Biorad_Reader", path);
}
// GJ: added Gatan Digital Micrograph DM3 handler
// ----------------------------------------------
// check if the file ends in .DM3 or .dm3,
// and bytes make an int value of 3 which is the DM3 version number
if (name.endsWith(".dm3") && buf[0] == 0 && buf[1] == 0 && buf[2] == 0 && buf[3] == 3) {
return tryPlugIn("DM3_Reader", path);
}
// IPLab file handler
// Little-endian IPLab files start with "iiii" or "mmmm".
if (name.endsWith(".ipl")
|| (buf[0] == 105 && buf[1] == 105 && buf[2] == 105 && buf[3] == 105)
|| (buf[0] == 109 && buf[1] == 109 && buf[2] == 109 && buf[3] == 109)) {
return tryPlugIn("IPLab_Reader", path);
}
// Packard InstantImager format (.img) handler -> check HERE
// before Analyze check below!
// Check extension and signature bytes KAJ_
if (name.endsWith(".img") && buf[0] == 75 && buf[1] == 65 && buf[2] == 74 && buf[3] == 0) {
return tryPlugIn("InstantImager_Reader", path);
}
// Analyze format (.img/.hdr) handler
// Opens the file using the Nifti_Reader if it is installed,
// otherwise the Analyze_Reader is used. Note that
// the Analyze_Reader plugin opens and displays the
// image and does not implement the ImagePlus class.
if (name.endsWith(".img") || name.endsWith(".hdr")) {
if (Menus.getCommands().get("NIfTI-Analyze") != null) return tryPlugIn("Nifti_Reader", path);
else return tryPlugIn("Analyze_Reader", path);
}
// NIFTI format (.nii) handler
if (name.endsWith(".nii") || name.endsWith(".nii.gz") || name.endsWith(".nii.z")) {
return tryPlugIn("Nifti_Reader", path);
}
// Image Cytometry Standard (.ics) handler
// http://valelab.ucsf.edu/~nico/IJplugins/Ics_Opener.html
if (name.endsWith(".ics")) {
return tryPlugIn("Ics_Opener", path);
}
// Princeton Instruments SPE image file (.spe) handler
// http://rsb.info.nih.gov/ij/plugins/spe.html
if (name.endsWith(".spe")) {
return tryPlugIn("OpenSPE_", path);
}
// Zeiss Confocal LSM 510 image file (.lsm) handler
// http://rsb.info.nih.gov/ij/plugins/lsm-reader.html
if (name.endsWith(".lsm")) {
Object obj = tryPlugIn("LSM_Reader", path);
if (obj == null && Menus.getCommands().get("Show LSMToolbox") != null)
obj = tryPlugIn("LSM_Toolbox", "file=" + path);
return obj;
}
// BM: added Bruker file handler 29.07.04
if (name.equals("ser")
|| name.equals("fid")
|| name.equals("2rr")
|| name.equals("2ii")
|| name.equals("3rrr")
|| name.equals("3iii")
|| name.equals("2dseq")) {
ij.IJ.showStatus("Opening Bruker " + name + " File");
return tryPlugIn("BrukerOpener", name + "|" + path);
}
// AVI: open AVI files using AVI_Reader plugin
if (name.endsWith(".avi")) {
return tryPlugIn("AVI_Reader", path);
}
// QuickTime: open .mov and .pict files using QT_Movie_Opener plugin
if (name.endsWith(".mov") || name.endsWith(".pict")) {
return tryPlugIn("QT_Movie_Opener", path);
}
// ZVI file handler
// Little-endian ZVI and Thumbs.db files start with d0 cf 11 e0
// so we can only look at the extension.
if (name.endsWith(".zvi")) {
return tryPlugIn("ZVI_Reader", path);
}
// University of North Carolina (UNC) file format handler
// 'magic' numbers are (int) offsets to data structures and
// may change in future releases.
if (name.endsWith(".unc")
|| (buf[3] == 117 && buf[7] == -127 && buf[11] == 36 && buf[14] == 32 && buf[15] == -127)) {
return tryPlugIn("UNC_Reader", path);
}
// Amira file handler
// http://wbgn013.biozentrum.uni-wuerzburg.de/ImageJ/amira-io.html
if (buf[0] == 0x23
&& buf[1] == 0x20
&& buf[2] == 0x41
&& buf[3] == 0x6d
&& buf[4] == 0x69
&& buf[5] == 0x72
&& buf[6] == 0x61
&& buf[7] == 0x4d
&& buf[8] == 0x65
&& buf[9] == 0x73
&& buf[10] == 0x68
&& buf[11] == 0x20) {
return tryPlugIn("AmiraMeshReader_", path);
}
// Deltavision file handler
// Open DV files generated on Applied Precision DeltaVision systems
if (name.endsWith(".dv") || name.endsWith(".r3d")) {
return tryPlugIn("Deltavision_Opener", path);
}
// Albert Cardona: read .mrc files (little endian).
// Documentation at: http://ami.scripps.edu/prtl_data/mrc_specification.htm.
// The parsing of the header is a bare minimum of what could be done.
if (name.endsWith(".mrc")) {
return tryPlugIn("Open_MRC_Leginon", path);
}
// Albert Cardona: read .dat files from the EMMENU software
if (name.endsWith(".dat") && 1 == buf[1] && 0 == buf[2]) { // 'new format' only
return tryPlugIn("Open_DAT_EMMENU", path);
}
// Timo Rantalainen and Michael Doube: read Stratec pQCT files.
// File name is IDDDDDDD.MHH, where D is decimal and H is hex.
if (name.matches("[iI]\\d{7}\\.[mM]\\p{XDigit}{2}")) {
return tryPlugIn("org.doube.bonej.pqct.Read_Stratec_File", path);
}
// Michael Doube: read Scanco ISQ files
// File name is ADDDDDDD.ISQ;D where D is a decimal and A is a letter
try {
String isqMagic = new String(buf, 0, 16, "UTF-8");
if (name.matches("[a-z]\\d{7}.isq;\\d+") || isqMagic.equals("CTDATA-HEADER_V1"))
return tryPlugIn("org.bonej.io.ISQReader", path);
} catch (Exception e) {
}
// David Mills: read Queen Mary MCD files
if (name.endsWith(".mcd")) {
return tryPlugIn("mcdReader", path);
}
// David Mills: read Queen Mary TOM files
if (name.endsWith(".tom")) {
return tryPlugIn("tomReader", path);
}
// ****************** MODIFY HERE ******************
// do what ever you have to do to recognise your own file type
// and then call appropriate plugin using the above as models
// e.g.:
/*
// A. Dent: Added XYZ handler
// ----------------------------------------------
// check if the file ends in .xyz, and bytes 0 and 1 equal 42
if (name.endsWith(".xyz") && buf[0]==42 && buf[1]==42) {
// Ok we've identified the file type - now load it
return tryPlugIn("XYZ_Reader", path);
}
*/
return null;
}
