com.supermap.data

类 PathSmoothTool

java.lang.Object

com.supermap.data.PathSmoothTool

public class PathSmoothTool
extends java.lang.Object

轨迹优化工具类

使用方法：

PathSmoothTool pathSmoothTool = new PathSmoothTool(); pathSmoothTool.setIntensity(2);//设置滤波强度，默认3 List outList = pathSmoothTool.pathOptimize(sourcePositionList);

构造器概要

构造器

构造器和说明
PathSmoothTool()

方法概要

限定符和类型	方法和说明
static float	calculateLineDistance(Point2D var0, Point2D var1)
int	getIntensity()
float	getThreshhold()
java.util.List<Point2D>	kalmanFilterPath(java.util.List<Point2D> originlist) 轨迹线路滤波
Point2D	kalmanFilterPoint(Point2D lastLoc, Point2D curLoc) 单点滤波
java.util.List<Point2D>	pathOptimize(java.util.List<Point2D> originlist) 轨迹平滑优化
java.util.List<Point2D>	reducerVerticalThreshold(java.util.List<Point2D> inPoints) 轨迹抽稀
java.util.List<Point2D>	removeNoisePoint(java.util.List<Point2D> originlist) 轨迹去噪，删除垂距大于20m的点
void	setIntensity(int mIntensity)
void	setNoiseThreshhold(float mnoiseThreshhold)
void	setThreshhold(float mThreshhold)

从类继承的方法 java.lang.Object

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

构造器详细资料

PathSmoothTool

public PathSmoothTool()

方法详细资料

getIntensity

public int getIntensity()

setIntensity

public void setIntensity(int mIntensity)

getThreshhold

public float getThreshhold()

setThreshhold

public void setThreshhold(float mThreshhold)

setNoiseThreshhold

public void setNoiseThreshhold(float mnoiseThreshhold)

pathOptimize

public java.util.List<Point2D> pathOptimize(java.util.List<Point2D> originlist)

轨迹平滑优化

参数:

originlist - 原始轨迹list,list.size大于2

返回:

优化后轨迹list

kalmanFilterPath

public java.util.List<Point2D> kalmanFilterPath(java.util.List<Point2D> originlist)

轨迹线路滤波

参数:

originlist - 原始轨迹list,list.size大于2

返回:

滤波处理后的轨迹list

removeNoisePoint

public java.util.List<Point2D> removeNoisePoint(java.util.List<Point2D> originlist)

轨迹去噪，删除垂距大于20m的点

参数:

originlist - 原始轨迹list,list.size大于2

返回:

kalmanFilterPoint

public Point2D kalmanFilterPoint(Point2D lastLoc,
                                 Point2D curLoc)

单点滤波

参数:

lastLoc - 上次定位点坐标

curLoc - 本次定位点坐标

返回:

滤波后本次定位点坐标值

reducerVerticalThreshold

public java.util.List<Point2D> reducerVerticalThreshold(java.util.List<Point2D> inPoints)

轨迹抽稀

参数:

inPoints - 待抽稀的轨迹list，至少包含两个点，删除垂距小于mThreshhold的点

返回:

抽稀后的轨迹list

calculateLineDistance

public static float calculateLineDistance(Point2D var0,
                                          Point2D var1)