Beispiel #1
0
 private Double getNumber(Properties props, String key) {
   String s = props.getProperty(key);
   if (s != null) {
     try {
       return Double.valueOf(s);
     } catch (NumberFormatException e) {
     }
   }
   return null;
 }
Beispiel #2
0
 public Properties decodeDescriptionString(FileInfo fi) {
   if (fi.description == null || fi.description.length() < 7) return null;
   if (IJ.debugMode) IJ.log("Image Description: " + new String(fi.description).replace('\n', ' '));
   if (!fi.description.startsWith("ImageJ")) return null;
   Properties props = new Properties();
   InputStream is = new ByteArrayInputStream(fi.description.getBytes());
   try {
     props.load(is);
     is.close();
   } catch (IOException e) {
     return null;
   }
   fi.unit = props.getProperty("unit", "");
   Double n = getNumber(props, "cf");
   if (n != null) fi.calibrationFunction = n.intValue();
   double c[] = new double[5];
   int count = 0;
   for (int i = 0; i < 5; i++) {
     n = getNumber(props, "c" + i);
     if (n == null) break;
     c[i] = n.doubleValue();
     count++;
   }
   if (count >= 2) {
     fi.coefficients = new double[count];
     for (int i = 0; i < count; i++) fi.coefficients[i] = c[i];
   }
   fi.valueUnit = props.getProperty("vunit");
   n = getNumber(props, "images");
   if (n != null && n.doubleValue() > 1.0) fi.nImages = (int) n.doubleValue();
   if (fi.nImages > 1) {
     double spacing = getDouble(props, "spacing");
     if (spacing != 0.0) {
       if (spacing < 0) spacing = -spacing;
       fi.pixelDepth = spacing;
     }
   }
   return props;
 }
Beispiel #3
0
 private boolean getBoolean(Properties props, String key) {
   String s = props.getProperty(key);
   return s != null && s.equals("true") ? true : false;
 }
Beispiel #4
0
  void setCalibration(ImagePlus imp) {
    if (fi.fileType == FileInfo.GRAY16_SIGNED) {
      if (IJ.debugMode) IJ.log("16-bit signed");
      double[] coeff = new double[2];
      coeff[0] = -32768.0;
      coeff[1] = 1.0;
      imp.getLocalCalibration().setFunction(Calibration.STRAIGHT_LINE, coeff, "gray value");
    }

    Properties props = decodeDescriptionString(fi);
    Calibration cal = imp.getCalibration();
    boolean calibrated = false;
    if (fi.pixelWidth > 0.0 && fi.unit != null) {
      cal.pixelWidth = fi.pixelWidth;
      cal.pixelHeight = fi.pixelHeight;
      cal.pixelDepth = fi.pixelDepth;
      cal.setUnit(fi.unit);
      calibrated = true;
    }

    if (fi.valueUnit != null) {
      int f = fi.calibrationFunction;
      if ((f >= Calibration.STRAIGHT_LINE && f <= Calibration.RODBARD2 && fi.coefficients != null)
          || f == Calibration.UNCALIBRATED_OD) {
        boolean zeroClip = props != null && props.getProperty("zeroclip", "false").equals("true");
        cal.setFunction(f, fi.coefficients, fi.valueUnit, zeroClip);
        calibrated = true;
      }
    }

    if (calibrated) checkForCalibrationConflict(imp, cal);

    if (fi.frameInterval != 0.0) cal.frameInterval = fi.frameInterval;

    if (props == null) return;

    cal.xOrigin = getDouble(props, "xorigin");
    cal.yOrigin = getDouble(props, "yorigin");
    cal.zOrigin = getDouble(props, "zorigin");
    cal.info = props.getProperty("info");

    cal.fps = getDouble(props, "fps");
    cal.loop = getBoolean(props, "loop");
    cal.frameInterval = getDouble(props, "finterval");
    cal.setTimeUnit(props.getProperty("tunit", "sec"));

    double displayMin = getDouble(props, "min");
    double displayMax = getDouble(props, "max");
    if (!(displayMin == 0.0 && displayMax == 0.0)) {
      int type = imp.getType();
      ImageProcessor ip = imp.getProcessor();
      if (type == ImagePlus.GRAY8 || type == ImagePlus.COLOR_256)
        ip.setMinAndMax(displayMin, displayMax);
      else if (type == ImagePlus.GRAY16 || type == ImagePlus.GRAY32) {
        if (ip.getMin() != displayMin || ip.getMax() != displayMax)
          ip.setMinAndMax(displayMin, displayMax);
      }
    }

    int stackSize = imp.getStackSize();
    if (stackSize > 1) {
      int channels = (int) getDouble(props, "channels");
      int slices = (int) getDouble(props, "slices");
      int frames = (int) getDouble(props, "frames");
      if (channels == 0) channels = 1;
      if (slices == 0) slices = 1;
      if (frames == 0) frames = 1;
      // IJ.log("setCalibration: "+channels+"  "+slices+"  "+frames);
      if (channels * slices * frames == stackSize) {
        imp.setDimensions(channels, slices, frames);
        if (getBoolean(props, "hyperstack")) imp.setOpenAsHyperStack(true);
      }
    }
  }