Tract-class(sampSurf)
Tract-class()所属R语言包：sampSurf
Class "Tract"
类的“道”
译者：生物统计家园网 机器人LoveR
描述----------Description----------
The "Tract" class is the base class for creating objects corresponding to raster grids for use in samplng surface simulation. The class is a subclass of "RasterLayer" and so incorporates all of the slots from that class as well as the ones defined below.
“道”类的基类是用于创建对应的对象为用在samplng地面模拟光栅网格。这个类的一个子类的"RasterLayer"，包含了所有从该类别的插槽，以及定义见下文。
类对象----------Objects from the Class----------
Objects can be created by calls of the form new("Tract", ...); however, due to the complexity of the class, this is not recommended. Instead, one can use on of the class constructor methods of the same name, Tract, to create and object. There are several of these available, giving a variety of ways to create a raster grid for use in sampling surface simulation.
可以创建对象通过调用的形式new("Tract", ...);然而，由于类的复杂的，这是不建议。相反，一个人也可以使用类的构造方法相同的名称，Tract，创建和对象。有几个这些可用的，给人一种不同的方式来创建用于在采样表面仿真栅格网格。
There is currently one subclass, "bufferedTract", which allows an internal buffer.
目前有一个子类，"bufferedTract"，这使得内部缓冲区。
插槽----------Slots----------
In addition to the slots found in the "RasterLayer" class, the following slots are defined...
在除了"RasterLayer"类中发现的插槽，定义下列插槽...
description: Object of class "character": A
description：对象类"character"：A
units: Object of class "character": The units of
units：对象类"character"：单位的
area: Object of class "numeric": The area of
area：类的对象"numeric"：面积
扩展----------Extends----------
Class "RasterLayer", directly. Class "Raster", by class "RasterLayer", distance 2. Class "BasicRaster", by class "RasterLayer", distance 3.
类"RasterLayer"，直接。类"Raster"，通过类“RasterLayer”，距离2。类"BasicRaster"，通过类“RasterLayer”，距离3。
方法----------Methods----------
bbox signature(obj = "Tract"): Return object bounding
BBOXsignature(obj = "Tract")：返回对象边界
bufferedTract signature(bufferWidth = "numeric", tract
bufferedTract <CODE>签名（bufferWidth =“数字”，道
heapIZ signature(izgObject = "InclusionZoneGrid", tract
heapIZ <CODE>签名（izgObject =“InclusionZoneGrid”，道
izGridCSFull signature(izGridSausage = "InclusionZoneGrid", tract = "Tract"): Full chainsaw
izGridCSFullsignature(izGridSausage = "InclusionZoneGrid", tract = "Tract")：全电锯
izGrid signature(izObject = "chainSawIZ", tract =
izGrid <CODE>签名（izObject =“chainSawIZ”，道=
izGrid signature(izObject = "matrix", tract =
izGrid <CODE>签名（izObject =“矩阵”，道=
izGrid signature(izObject = "sausageIZ", tract =
izGrid <CODE>签名（izObject =“sausageIZ”，道=
izGrid signature(izObject = "standUpIZ", tract =
izGrid <CODE>签名（izObject =“standUpIZ”，道=
perimeter signature(object = "Tract"): Returns object perimeter
周边signature(object = "Tract")：返回对象的周长
plot signature(x = "Tract", y = "missing"): Plot the
图signature(x = "Tract", y = "missing")：绘制
sampSurf signature(object = "downLogIZs", tract =
（对象sampSurf <CODE>签名=“downLogIZs”的，道=
sampSurf signature(object = "numeric", tract =
sampSurf <CODE>签名（对象=“数字”，道=
show signature(object = "Tract"): Show/print the object
显示signature(object = "Tract")：显示/打印对象
summary signature(object = "Tract"): Object summary
总结signature(object = "Tract")：对象的摘要
（作者）----------Author(s)----------
Jeffrey H. Gove
参见----------See Also----------
bufferedTract
bufferedTract
实例----------Examples----------
showClass("Tract")
转载请注明:出自 生物统计家园网(http://www.biostatistic.net)。
注：
注1：为了方便大家学习，本文档为生物统计家园网机器人LoveR翻译而成，仅供个人R语言学习参考使用，生物统计家园保留版权。
注2：由于是机器人自动翻译，难免有不准确之处，使用时仔细对照中、英文内容进行反复理解，可以帮助R语言的学习。
注3：如遇到不准确之处，请在本贴的后面进行回帖，我们会逐渐进行修订。
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发表于 2012-9-29 22:10:13
