--- /dev/null
+package edu.berkeley.qfat.voxel;
+import edu.berkeley.qfat.*;
+import edu.berkeley.qfat.geom.*;
+
+/**
+ * A sampled field in 3-space; positive values indicate the
+ * <b>interior</b> of the object.
+ */
+public interface SampledField {
+
+ public float getSample(Point p);
+
+}
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