java判断两条线是否相交

来源：互联网发布：wps表格删除筛选数据编辑：程序博客网时间：2024/05/17 08:49

java判断两条线是否相交
引用 JTS http://mvnrepository.com/artifact/com.vividsolutions/jts

 public static GeometryFactory getGeoFactory() {        if(geoFactory==null){            geoFactory = new GeometryFactory();        }        return geoFactory;    }       //创建lineString示例      public static LineString createLineByWKT(String linedata) throws ParseException{        WKTReader reader = new WKTReader(getGeoFactory());        LineString line = (LineString) reader.read("LINESTRING("+linedata+")");        return line;    }     //创建    String overline="117.23 35.66,115.989 37.56";    LineString lineByWKT = GisUtil.createLineByWKT(overline);          AisData aisData1 = AisAlarmFilter.trackmap.get(aisData.getMmsi());          String nowline = aisData.getLongitude() + " " + aisData.getLatitude() + "," aisData1.getLatitude() + " " + aisData1.getLatitude();         try {                LineString lineByWKT = GisUtil.createLineByWKT(nowline);                //判断是否相交  返回boolean值                boolean    islinealarm = lineString.intersects(lineByWKT);                     } catch (ParseException e) {                   logger.error("解析gps数据 错误:" + Tools.getSystemlineeparator() + Tools.getStackTrace(e));                }

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