diff -N EcalCrystal.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ EcalCrystal.java	16 Oct 2013 23:11:45 -0000	1.1
@@ -0,0 +1,174 @@

+package org.lcsim.detector.converter.compact;
+
+import org.lcsim.detector.DetectorElement;
+import org.lcsim.detector.IDetectorElement;
+import org.lcsim.detector.identifier.IIdentifier;
+
+/**
+ * This class implements behavior specific to the ECal crystals of the HPS experiment, 
+ * which includes access to time dependent conditions as well as DAQ setup information.
+ * @author Jeremy McCormick <[log in to unmask]>
+ */
+public class EcalCrystal extends DetectorElement {
+
+    /** Electronics setup. */
+    int crate;
+    int slot;
+    int channel;
+
+    /** Time dependent conditions data. */
+    boolean badChannel = false;
+    double pedestal = Double.NaN;
+    double noise = Double.NaN;
+    double gain = Double.NaN;
+
+    /**
+     * Class constructor.
+     * @param name The name of the DetectorElement.
+     * @param parent The parent component.
+     * @param path The physical path.
+     * @param id The component's ID.
+     */
+    EcalCrystal(String name, IDetectorElement parent, String path, IIdentifier id) {
+        super(name, parent, path, id);
+    }
+
+    /**
+     * Set the bad channel flag.    
+     * @param badChannel True if channel is bad; false if not.
+     */
+    public void setBadChannel(boolean badChannel) {
+        this.badChannel = badChannel;
+    }
+
+    /**
+     * Set the pedestal value.
+     * @param pedestal The pedestal value.
+     */
+    public void setPedestal(double pedestal) {
+        this.pedestal = pedestal;
+    }
+
+    /**
+     * Set the noise value.
+     * @param noise The noise value.
+     */
+    public void setNoise(double noise) {
+        this.noise = noise;
+    }
+
+    /**
+     * Set the gain value.
+     * @param gain The gain value.
+     */
+    public void setGain(double gain) {
+        this.gain = gain;
+    }
+
+    /**
+     * Set the crate value.
+     * @param crate The crate value.
+     */
+    public void setCrate(int crate) {
+        this.crate = crate;
+    }
+
+    /**
+     * Set the slot value.
+     * @param slot The slot value.
+     */
+    public void setSlot(int slot) {
+        this.slot = slot;
+    }
+
+    /**
+     * Set the channel value.
+     * @param channel The channel value.
+     */
+    public void setChannel(int channel) {
+        this.channel = channel;
+    }
+
+    /**
+     * Get whether this is a bad channel or not.
+     * @return True if is bad channel; false if not.
+     */
+    public boolean isBadChannel() {
+        return badChannel;
+    }
+
+    /**
+     * Get the pedestal value.
+     * @return The pedestal value.
+     */
+    public double getPedestal() {
+        return pedestal;
+    }
+
+    /**
+     * Get the noise value.
+     * @return The noise value.
+     */
+    public double getNoise() {
+        return noise;
+    }
+
+    /**
+     * Get the gain value.
+     * @return The gain value.
+     */
+    public double getGain() {
+        return gain;
+    }
+
+    /**
+     * Get the crate number.
+     * @return The crate number.
+     */
+    public int getCrate() {
+        return crate;
+    }
+
+    /**
+     * Get the slot number.
+     * @return The slot number.
+     */
+    public int getSlot() {
+        return slot;
+    }
+    
+    /**
+     * Get the channel number.
+     * @return The channel number.
+     */
+    public int getChannel() {
+        return channel;
+    }
+    
+    /**
+     * Get the X index of this crystal.
+     * @return The X index of this crystal.
+     */
+    public int getX() {
+        return getIdentifierHelper().getValue(getIdentifier(), "ix");
+    }
+    
+    /**
+     * Get the Y index of this crystal.
+     * @return The Y index of this crystal.
+     */
+    public int getY() {
+        return getIdentifierHelper().getValue(getIdentifier(), "iy");
+    }
+    
+    /**
+     * Reset the time dependent conditions.  This will NOT reset
+     * hardware information as it is considered fixed once set.
+     */
+    public void reset() {
+        badChannel = false;
+        pedestal = Double.NaN;
+        noise = Double.NaN;
+        gain = Double.NaN;
+    }
+}