Create output benchmark directory.

src/main/java/DataCompressor.java

@@ -28,7 +28,7 @@ public class DataCompressor {
                 new int[]{351},
                 new V3i(1041, 996, 946));
 
-        vqBench.startBenchmark(new V2i(3,3));
+        vqBench.startBenchmark(new V2i(3,1));
     }
 
     static void test2DVectorChunking() {

src/main/java/compression/benchmark/ScalarQuantizationBenchmark.java

@@ -10,6 +10,8 @@ import compression.quantization.scalar.LloydMaxU16ScalarQuantization;
 import compression.quantization.scalar.ScalarQuantizer;
 import compression.utilities.TypeConverter;
 
+import java.io.File;
+
 public class ScalarQuantizationBenchmark extends BenchmarkBase {
     private boolean useDiffEvolution = false;
 
@@ -23,7 +25,7 @@ public class ScalarQuantizationBenchmark extends BenchmarkBase {
 
     @Override
     public void startBenchmark() {
-
+        boolean dirCreated = new File(this.outputDirectory).mkdirs();
         for (final int planeIndex : planes) {
             System.out.println(String.format("Loading plane %d ...", planeIndex));
             // NOTE(Moravec): Actual planeIndex is zero based.

src/main/java/compression/benchmark/VectorQuantizationBenchmark.java

@@ -6,6 +6,7 @@ import compression.quantization.vector.LBGResult;
 import compression.quantization.vector.LBGVectorQuantizer;
 import compression.quantization.vector.VectorQuantizer;
 
+import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
@@ -48,6 +49,8 @@ public class VectorQuantizationBenchmark extends BenchmarkBase {
 
     public void startBenchmark(final V2i qVector) {
 
+        boolean dirCreated = new File(this.outputDirectory).mkdirs();
+
         for (final int planeIndex : planes) {
             System.out.println(String.format("Loading plane %d ...", planeIndex));
             // NOTE(Moravec): Actual planeIndex is zero based.