Class OnePassBucketizer

java.lang.Object

com.ggalmazor.downsampling.lttb.OnePassBucketizer

public class OnePassBucketizer
extends Object

Utility class that divides the input list of Point points into Bucket buckets as required by the LTTB algorithm.

The first and last buckets always contain a single point (the first and last of the input). Two strategies are supported; see BucketizationStrategy.

Method Summary

Modifier and Type	Method	Description
static <T extends Point> List<Bucket<T>>	bucketize(List<T> input, int inputSize, int desiredBuckets)	Returns buckets from input using the count-based (DYNAMIC) strategy.
static <T extends Point> List<Bucket<T>>	bucketize(List<T> input, int inputSize, int desiredBuckets, BucketizationStrategy strategy)	Returns buckets from input using the specified BucketizationStrategy.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

bucketize

public static <T extends Point> List<Bucket<T>> bucketize(List<T> input,
 int inputSize,
 int desiredBuckets)

Returns buckets from input using the count-based (DYNAMIC) strategy.

Type Parameters:

T - the type of the Point points

Parameters:

input - the input list of points

inputSize - the size of the input list

desiredBuckets - the desired middle bucket count

Returns:

the list of buckets

bucketize

public static <T extends Point> List<Bucket<T>> bucketize(List<T> input,
 int inputSize,
 int desiredBuckets,
 BucketizationStrategy strategy)

Returns buckets from input using the specified BucketizationStrategy.

Type Parameters:

T - the type of the Point points

Parameters:

input - the input list of points

inputSize - the size of the input list

desiredBuckets - the desired middle bucket count

strategy - the bucketization strategy to use

Returns:

the list of buckets