ChunkedNtFasta

Full name SMRUCC.genomics.SequenceModel.NucleotideModels.ChunkedNtFasta Assembly SMRUCC.genomics.Core Members 9

分块存储的FASTA序列对象，用于处理大型基因组序列，例如植物基因组，动物基因组这些序列长度超过了2GB的基因组序列

00 Remarks

all char in this sequence has already been converted to upper case

01 Syntax

SMRUCC.genomics.SequenceModel.NucleotideModels.ChunkedNtFasta

02 Methods

Name	Overloads	Summary
LoadDocument	1	从文件流中加载FASTA文档
Kmers	1	all char in this sequence has already been converted to upper case
GetRegion	1	获取指定区域的序列字符串
CharToDNA	1	将字符转换为DNA枚举值
DNAToChar	1	将DNA枚举值转换为字符
ToString	1	获取序列的字符串表示（用于调试，可能不返回完整序列）
ReadFromFile	1

03 Properties

Name	Overloads	Summary
title	1	序列的标题/描述
Length	1	序列的总长度（碱基数）

04 Members

method LoadDocument #

LoadDocument(Stream, Int32)

从文件流中加载FASTA文档

Parameters

Name	Type	Description
`s`	`Stream`	输入文件流
`chunkSize`	`Int32`	分块大小，默认32MB

Returns

FASTA序列对象的枚举

method Kmers #

Kmers(Int32)

all char in this sequence has already been converted to upper case

Parameters

Name	Type	Description
`k`	`Int32`	-

method GetRegion #

GetRegion(Int64, Int64)

获取指定区域的序列字符串

Remarks

all char in this sequence has already been converted to upper case

Parameters

Name	Type	Description
`left`	`Int64`	起始位置（从1开始）
`right`	`Int64`	结束位置（从1开始）

Returns

指定区域的序列字符串

method CharToDNA #

CharToDNA(Char)

将字符转换为DNA枚举值

Parameters

Name	Type	Description
`c`	`Char`	字符

Returns

对应的DNA碱基

method DNAToChar #

DNAToChar(DNA)

将DNA枚举值转换为字符

Parameters

Name	Type	Description
`base`	DNA	DNA碱基

Returns

对应的字符

method ToString #

ToString

获取序列的字符串表示（用于调试，可能不返回完整序列）

Returns

序列的字符串表示

property title #

title

序列的标题/描述

property Length #

Length

序列的总长度（碱基数）

method ReadFromFile #

ReadFromFile(String, Int32)