Merge pull request #26 from nmangue/fix/issue-23

Rewrite Complex packing and spatial differencing Grid Data Representation
nmangue · Dec 22, 2024 · 4e963c0 · 4e963c0
2 parents d34b937 + f200723
commit 4e963c0
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Showing 8 changed files with 224,292 additions and 365 deletions.
diff --git a/src/NGrib/BufferedBinaryReader.cs b/src/NGrib/BufferedBinaryReader.cs
@@ -196,6 +196,21 @@ public int ReadUIntN(int nbBit)
 			}
 		}
 
+		public void ReadUIntN(int nbBit, int[] buffer, int nbValues, int skip = 0)
+		{
+			NextUIntN();
+
+			if (skip > 0)
+            {
+                ReadUIntN(skip);
+            }
+
+            for (int i = 0;	i < nbValues; i++)
+			{
+				buffer[i] = ReadUIntN(nbBit);
+			}
+		}
+
 		public int ReadIntN(int nbBit)
 		{
 			var result = ReadUIntN(nbBit);

diff --git a/src/NGrib/Grib2/CodeTables/5_6_SpatialDifferencingOrder.cs b/src/NGrib/Grib2/CodeTables/5_6_SpatialDifferencingOrder.cs
@@ -24,6 +24,11 @@ namespace NGrib.Grib2.CodeTables
 	/// </summary>
 	public enum SpatialDifferencingOrder
 	{
+		/// <summary>
+		/// No spatial differencing.
+		/// </summary>
+		None = 0,
+
 		/// <summary>
 		/// First-order spatial differencing.
 		/// </summary>