update points data

src/base/PNTSLoaderBase.js

@@ -61,7 +61,7 @@ export class PNTSLoaderBase {
 		const featureTable = new FeatureTable( buffer, featureTableStart, featureTableJSONByteLength, featureTableBinaryByteLength );
 
 		// Batch Table
-		const batchLength = featureTable.getData( 'BATCH_LENGTH' ) || 0;
+		const batchLength = featureTable.getData( 'BATCH_LENGTH' ) || featureTable.getData( 'POINTS_LENGTH' );
 		const batchTableStart = featureTableStart + featureTableJSONByteLength + featureTableBinaryByteLength;
 		const batchTable = new BatchTable( buffer, batchLength, batchTableStart, batchTableJSONByteLength, batchTableBinaryByteLength );
 

src/utilities/FeatureTable.js

@@ -154,7 +154,7 @@ export class BatchTable extends FeatureTable {
 
 	getData( key, componentType = null, type = null ) {
 
-		return this.getData( key, this.batchSize, type, componentType );
+		return super.getData( key, this.batchSize, type, componentType );
 
 	}