From 25fdfa07ae493ba82ef145d9c8acb694854809c8 Mon Sep 17 00:00:00 2001
From: Uwe Schulzweida <uwe.schulzweida@mpimet.mpg.de>
Date: Wed, 29 Jan 2025 11:00:10 +0100
Subject: [PATCH] Added CDI_KEY_CHUNKSIZE_DIMT
---
ChangeLog | 4 ++++
src/cdf_write.c | 5 ++++-
src/cdi.h | 1 +
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index de8024bd8..a4e64a7f2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,10 @@
* Version 2.5.1 released
+2025-01-29 Uwe Schulzweida
+
+ * Added CDI_KEY_CHUNKSIZE_DIMT
+
2025-01-14 Uwe Schulzweida
* NetCDF: Fix error in scanning coordinates attribute
diff --git a/src/cdf_write.c b/src/cdf_write.c
index 709a6b07e..9fc92f4a5 100644
--- a/src/cdf_write.c
+++ b/src/cdf_write.c
@@ -764,10 +764,13 @@ cdfDefineDimsAndChunks(const stream_t *streamptr, int varID, int xid, int yid, i
int timetype = vlistInqVarTimetype(vlistID, varID);
if (vlistHasTime(vlistID) && timetype != TIME_CONSTANT)
{
+ int chunkSize = 0;
+ cdiInqKeyInt(vlistID, CDI_GLOBAL, CDI_KEY_CHUNKSIZE_DIMT, &chunkSize);
+ printf("chunkSize %d\n", chunkSize);
int tid = streamptr->basetime.ncdimid;
if (tid == CDI_UNDEFID) Error("Internal problem, time undefined!");
axis[iax++] = 'T';
- chunks[ndims] = 1;
+ chunks[ndims] = (chunkSize > 0) ? chunkSize : 1;
dims[ndims] = tid;
ndims++;
}
diff --git a/src/cdi.h b/src/cdi.h
index 3b9777d12..8f62f5859 100644
--- a/src/cdi.h
+++ b/src/cdi.h
@@ -846,6 +846,7 @@ SizeType gridInqYCvals(int gridID, char *ycvals[]);
#define CDI_KEY_NLEV 964 // GRIB2 nlev
#define CDI_KEY_CHUNKTYPE 965 // ChunkType: CDI_CHUNK_AUTO/CDI_CHUNK_GRID/CDI_CHUNK_LINES
#define CDI_KEY_CHUNKSIZE 966 // ChunkSize
+#define CDI_KEY_CHUNKSIZE_DIMT 967 // ChunkSize time dimension
// Floating point keys
#define CDI_KEY_MISSVAL 701 // Missing value
--
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