--- a/libsrc2/dimension.c
+++ b/libsrc2/dimension.c
@@ -1218,18 +1218,18 @@
   r = minew_volume_props(&props);
   r = miset_props_compression_type(props, MI_COMPRESS_ZLIB);
   r = miset_props_zlib_compression(props, 3);
-  r = micreate_dimension("xspace",MI_DIMCLASS_SPATIAL,1, 10,&dimh);
+  r = micreate_dimension("xspace",MI_DIMCLASS_SPATIAL,MI_DIMATTR_REGULARLY_SAMPLED, 100,&dimh);
   if (r < 0) {
     TESTRPT("failed", r);
   }
   dim[0]=dimh;
   
-  r = micreate_dimension("yspace",MI_DIMCLASS_SPATIAL,1, 12,&dimh1);
+  r = micreate_dimension("yspace",MI_DIMCLASS_SPATIAL,MI_DIMATTR_REGULARLY_SAMPLED, 12,&dimh1);
   if (r < 0) {
     TESTRPT("failed", r);
   }
   dim[1]=dimh1;
-  r = micreate_dimension("zspace",MI_DIMCLASS_SPATIAL,2, 3,&dimh2);
+  r = micreate_dimension("z",MI_DIMCLASS_SPATIAL,MI_DIMATTR_NOT_REGULARLY_SAMPLED, 3,&dimh2);
   if (r < 0) {
     TESTRPT("failed", r);
   }
@@ -1244,7 +1244,7 @@
   }
   
   dim[2]=dimh2;
-   r = micreate_dimension("zfrequency",MI_DIMCLASS_SFREQUENCY,1, 12,&dimh3);
+   r = micreate_dimension("zfrequency",MI_DIMCLASS_SFREQUENCY,MI_DIMATTR_REGULARLY_SAMPLED,3,&dimh3);
   if (r < 0) {
     TESTRPT("failed", r);
   }
@@ -1253,10 +1253,11 @@
     TESTRPT("failed", r);
   } 
   dim[3]=dimh3;
-  r = micreate_volume("test.h5", 4, dim, MI_TYPE_UBYTE, MI_CLASS_INT,props,&vol);
+  r = micreate_volume("test.h5", 4, dim, MI_TYPE_UINT, MI_CLASS_INT,props,&vol);
   if (r < 0) {
     TESTRPT("failed", r);
   }
+
   r = micreate_volume_image(vol);
   if (r < 0) {
     TESTRPT("failed", r);
@@ -1274,11 +1275,11 @@
   if (r < 0) {
     TESTRPT("failed", r);
   }
-  printf(" %s %s %s \n", dimens[0]->name, dimens[1]->name, dimens[2]->name);
-  printf(" %s \n", dimens[3]->comments);
-  printf(" %s \n", dimens[0]->comments);
-  printf( " %f %f %f \n", dimens[2]->offsets[0], dimens[2]->offsets[1], dimens[2]->offsets[2] );
-  printf( " %f %f %f \n", dimens[2]->widths[0], dimens[2]->widths[1], dimens[2]->widths[2] );
+  //printf(" %s %s %s \n", dimens[0]->name, dimens[1]->name, dimens[2]->name);
+  //printf(" %s \n", dimens[3]->comments);
+  //printf(" %s \n", dimens[0]->comments);
+  //printf( " %f %f %f \n", dimens[2]->offsets[0], dimens[2]->offsets[1], dimens[2]->offsets[2] );
+  //printf( " %f %f %f \n", dimens[2]->widths[0], dimens[2]->widths[1], dimens[2]->widths[2] );
   r = miget_volume_dimension_count(vol, MI_DIMCLASS_SPATIAL, MI_DIMATTR_ALL, &n);
   if (r < 0) {
     TESTRPT("failed", r);

--- a/libsrc2/volume.c
+++ b/libsrc2/volume.c
@@ -57,8 +57,8 @@
     
     dset_id = H5Dcreate(volume->hdf_id, "/minc-2.0/image/0/image", 
                         volume->type_id, 
-                        dataspace_id, 
-			volume->plist_id);
+                        dataspace_id, volume->plist_id);
+    
     if (dset_id < 0) {  
         return (MI_ERROR);
     }
@@ -235,9 +235,9 @@
   /* Set fill value to guarantee valid data on incomplete datasets.
    */
   {
-      char *tmp = calloc(1, H5Tget_size(handle->type_id));
-      H5Pset_fill_value(hdf_plist, handle->type_id, tmp);
-      free(tmp);
+    char *tmp = calloc(1, H5Tget_size(handle->type_id));
+    H5Pset_fill_value(hdf_plist, handle->type_id, tmp);
+    free(tmp);
   }
   
   /* See if chunking and/or compression should be enabled */
@@ -251,8 +251,10 @@
       
       for (i=0; i < number_of_dimensions; i++) {
           hdf_size[i] = create_props->edge_lengths[i];
+	  
           if (hdf_size[i] > dimensions[i]->length) {
               hdf_size[i] = dimensions[i]->length;
+	      
           }
       }