add SampledField and VoxelData classes

diff --git a/src/edu/berkeley/qfat/voxel/SampledField.java b/src/edu/berkeley/qfat/voxel/SampledField.java
new file mode 100644 (file)
index 0000000..64c51f4
--- /dev/null
+++ b/src/edu/berkeley/qfat/voxel/SampledField.java
@@ -0,0 +1,13 @@
+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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diff --git a/src/edu/berkeley/qfat/voxel/VoxelData.java b/src/edu/berkeley/qfat/voxel/VoxelData.java
new file mode 100644 (file)
index 0000000..3781de6
--- /dev/null
+++ b/src/edu/berkeley/qfat/voxel/VoxelData.java
@@ -0,0 +1,21 @@
+package edu.berkeley.qfat.voxel;
+import edu.berkeley.qfat.*;
+import edu.berkeley.qfat.geom.*;
+
+public abstract class VoxelData implements SampledField, HasBoundingBox {
+
+    public abstract float getSample(Point p);
+
+    public abstract float getMaxX();
+    public abstract float getMinX();
+    public abstract int   getNumSamplesX();
+
+    public abstract float getMaxY();
+    public abstract float getMinY();
+    public abstract int   getNumSamplesY();
+
+    public abstract float getMaxZ();
+    public abstract float getMinZ();
+    public abstract int   getNumSamplesZ();
+
+}
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