1 files changed, 9 insertions, 0 deletions
diff --git a/tools/h4toh5/h4toh5util.h b/tools/h4toh5/h4toh5util.h
index 2cda0cc..27bdcb5 100644
--- a/tools/h4toh5/h4toh5util.h
+++ b/tools/h4toh5/h4toh5util.h
@@ -96,6 +96,12 @@ converter.*/
 #define LABEL_LENG   20
 /* 7. define "IMAGE" CLASS required by image spec. */
 #define IM_CLASS    "IMAGE"
+/*7.5. define interlace mode. */
+#define INTERLACE_MODE "INTERLACE_MODE"
+#define PIXEL_INTERLACE "PIXEL_INTERLACE"
+#define LINE_INTERLACE "LINE_INTERLACE"
+#define PLANE_INTERLACE "PLANE_INTERLACE"
+
 
 /* 8. reserved group name for HDF4 dimensional scale and palette. */
 #define HDF4_DIMG           "/HDF4_DIMGROUP"
@@ -143,6 +149,9 @@ public constant for hdf lib, this constant can be released.*/
 /*12. fake sds dimension name*/
 #define fakeDim  "fakeDim"
 
+/*13. define a default first dimension chunking size when the
+  current unlimited dimensional size of SDS is set to 0. */
+#define DEF_CHUNKSIZE 20
 extern int32 estnum_vg;
 extern int32 estnum_vd;
 extern int32 num_sds;