fixed size read bug and added tests

utils/write_test_data.py

@@ -40,4 +40,21 @@ with open(path/'37frames_with_5_clusters.clust', 'wb') as f:
             data['data'] = np.arange(j,j+9)
             print(data)
             data.tofile(f)
-        
+        
+#Writing out data to test noise cuts
+header[1] = 7
+
+with open(path/'noise_test.clust', 'wb') as f:
+    for i in range(10):
+        data['x'] = 50
+        data['y'] = 133
+        data['data'][:] = 50
+
+        header.tofile(f)
+        print(header)
+        header[0] += 1
+        
+        for j in range(7):
+            print(data)
+            data.tofile(f)
+            data['x'] += 10