update RELEASE_NOTES.md

Author: stefanmaierhofer

RELEASE_NOTES.md

@@ -1,3 +1,8 @@
+### 5.2.10
+- LASzip importer now supports LAS 1.4
+- fix GenericChunk.Empty
+- add GenericChunk.Split
+
 ### 5.2.9
 - fixed ConvertToInline:rescaleIntensities, which failed for empty cells
 

src/Unofficial.laszip.netstandard/LASreadItemCompressed_POINT10_v2.cs

@@ -205,20 +205,19 @@ public override void read(laszip_point item, ref uint context) // context is unu
 			item.point_source_ID = last.point_source_ID;
 		}
 
-		ArithmeticDecoder dec;
+		readonly ArithmeticDecoder dec;
 		LASpoint10 last = new LASpoint10();
 
 		readonly ushort[] last_intensity = new ushort[16];
 		readonly StreamingMedian5[] last_x_diff_median5 = new StreamingMedian5[16];
 		readonly StreamingMedian5[] last_y_diff_median5 = new StreamingMedian5[16];
 		readonly int[] last_height = new int[8];
-
-		IntegerCompressor ic_dx;
-		IntegerCompressor ic_dy;
-		IntegerCompressor ic_z;
-		IntegerCompressor ic_intensity;
-		IntegerCompressor ic_point_source_ID;
-		ArithmeticModel m_changed_values;
+		readonly IntegerCompressor ic_dx;
+		readonly IntegerCompressor ic_dy;
+		readonly IntegerCompressor ic_z;
+		readonly IntegerCompressor ic_intensity;
+		readonly IntegerCompressor ic_point_source_ID;
+        readonly ArithmeticModel m_changed_values;
 		readonly ArithmeticModel[] m_scan_angle_rank = new ArithmeticModel[2];
 		readonly ArithmeticModel[] m_bit_byte = new ArithmeticModel[256];
 		readonly ArithmeticModel[] m_classification = new ArithmeticModel[256];