public class BitmapEncoder extends Object
| Constructor and Description |
|---|
BitmapEncoder() |
| Modifier and Type | Method and Description |
|---|---|
static ABitmap |
extractBitmap(int[] colIndices,
MatrixBlock rawBlock,
CompressionSettings compSettings)
Generate uncompressed bitmaps for a set of columns in an uncompressed matrix block.
|
public static ABitmap extractBitmap(int[] colIndices, MatrixBlock rawBlock, CompressionSettings compSettings)
colIndices - Indexes (within the block) of the columns to extractrawBlock - An uncompressed matrix block; can be dense or sparsecompSettings - The compression settings used for the compression.Copyright © 2020 The Apache Software Foundation. All rights reserved.