Polyline (MeteoInfoLib 1.7.5 API)

java.lang.Object
- org.meteoinfo.shape.Polyline

直接已知子类:

PolylineZ
```
public class Polyline
extends java.lang.Object
```
Polyline class

作者:

Yaqiang Wang

构造器概要

构造器
构造器说明

Polyline()

方法概要

所有方法实例方法具体方法
修饰符和类型	方法	说明
`Extent`	`getExtent()`	Get extent
`double`	`getLength()`	Get length
`double[]`	`getLengths()`	Get lengths of each segment
`java.util.List<? extends PointD>`	`getPointList()`	Get point list
`java.util.List<double[]>`	`getPositions(double aLen)`	Get position list: x, y, angle
`boolean`	`isClosed()`	Determine if the polyline is closed
`void`	`setPointList(java.util.List<? extends PointD> points)`	Set point list
`void`	`setPoints(PointF[] points)`	Set points

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 构造器详细资料
  - Polyline
```
public Polyline()
```
- 方法详细资料
  - getPointList
```
public java.util.List<? extends PointD> getPointList()
```
    Get point list
    
    返回:
    
    point list
  - setPointList
```
public void setPointList(java.util.List<? extends PointD> points)
```
    Set point list
    
    参数:
    
    points - point list
  - getExtent
```
public Extent getExtent()
```
    Get extent
    
    返回:
    
    extent
  - setPoints
```
public void setPoints(PointF[] points)
```
    Set points
    
    参数:
    
    points - point array
  - isClosed
```
public boolean isClosed()
```
    Determine if the polyline is closed
    
    返回:
    
    boolean
  - getLength
```
public double getLength()
```
    Get length
    
    返回:
    
    length
  - getLengths
```
public double[] getLengths()
```
    Get lengths of each segment
    
    返回:
    
    length array
  - getPositions
```
public java.util.List<double[]> getPositions(double aLen)
```
    Get position list: x, y, angle
    
    参数:
    
    aLen - segment length
    
    返回:
    
    position list