RailwayRouteOptimization/scripts/Common/FileCTR.js

include("scripts/EAction.js");
include("scripts/simple.js");

function FileCTR(file, ratio) {
  // 比例尺
  this.ratio = ratio || 1.0;
  // 桥梁数据 {起点、终点、中点}
  this.bridgeArrayData = new Array();
  // 隧道数据 {开始、结束}
  this.tunnelArrayData = new Array();
  // 图层名称
  this.layername = "CTR-" + Math.floor(Math.random() * 100);
  this.readTxt(file);
}
// 获取桥梁数据
FileCTR.prototype.getBridgeArray = function () {
  return this.bridgeArrayData;
};
// 获取隧道数据
FileCTR.prototype.getTunnelArray = function () {
  return this.tunnelArrayData;
};
// 读取CRT文件
FileCTR.prototype.readTxt = function (file) {
  var reader = new QFile(file);
  var flags = makeQIODeviceOpenMode(QIODevice.ReadOnly, QIODevice.Text);
  if (!reader.open(flags)) {
    EAction.handleUserWarning("cannot open file: " + file);
    return false;
  }
  EAction.handleUserMessage("Starting to load CTR file: " + file);
  var ts = new QTextStream(reader);
  setUtf8Codec(ts);
  var readBridge = false;
  var readTunnel = false;
  do {
    var textLine = ts.readLine().trim();
    textLine = textLine.replace(/[\t]+/g, " ").replace(/[\s]+/g, " ");
    if (textLine.indexOf("QHSJ.DAT") != -1) {
      readBridge = true;
      continue;
    } else if (textLine.indexOf("SUIDAO.DAT") != -1) {
      readTunnel = true;
      continue;
    }
    // 读取桥梁数据
    if (readBridge) {
      var fields = textLine.split(" ");
      if (fields.length < 3) {
        readBridge = false;
        continue;
      }
      qDebug(parseFloat(fields[0]));
      qDebug(parseFloat(fields[1]));
      qDebug(parseFloat(fields[2]));
      // 桥梁数据：起点、终点、中点
      this.bridgeArrayData.push([fields[0] / this.ratio, fields[1] / this.ratio, fields[2] / this.ratio]);
    } else if (readTunnel) {
      var fields = textLine.split(" ");
      if (fields.length < 2) {
        readTunnel = false;
        continue;
      }
      qDebug(parseFloat(fields[0]));
      qDebug(parseFloat(fields[1]));
      // 隧道数据
      this.tunnelArrayData.push([fields[0] / this.ratio, fields[1] / this.ratio]);
    }
  } while (!ts.atEnd());
  reader.close();
  return true;
};
// 绘画桥梁
FileCTR.prototype.applyBridge = function (zdmArrayData, dmxArrayData, PDColor) {
  var bridgeArray = this.bridgeArrayData;
  if (bridgeArray.length == 0) {
    EAction.handleUserMessage("bridge(CTR) data is empty...");
    return false;
  }
  if (zdmArrayData.length == 0) {
    EAction.handleUserMessage("DMX data is empty...");
    return false;
  }
  EAction.handleUserMessage("ctr-84: " + formatDateTime());
  PDColor = PDColor ? PDColor : new RColor(31, 57, 197);
  for (var a = 0; a < bridgeArray.length; a++) {
    // 桥梁的开始
    var bridgeStart = bridgeArray[a][0];
    // 桥梁的结束
    var bridgeEnd = bridgeArray[a][1];
    // 桥梁的中间
    var bridgeMiddleX = bridgeArray[a][2];
    for (var b = 0; b < zdmArrayData.length - 1; b++) {
      var foreNodeX = zdmArrayData[b][0];
      var foreNodeY = zdmArrayData[b][1];
      var nextNodeX = zdmArrayData[b + 1][0];
      var nextNodeY = zdmArrayData[b + 1][1];
      if (bridgeStart >= foreNodeX && bridgeStart < nextNodeX) {
        // 开始绘画桥梁
        var bridgeStartY = this.findIntersection(foreNodeX, foreNodeY, nextNodeX, nextNodeY, bridgeStart).y;
        addPolylinetoView([[bridgeStart, bridgeStartY - 3], [nextNodeX, nextNodeY - 3]], false, false, 0, PDColor);
        var dmxPoint = this.findPointByArray(dmxArrayData, bridgeStart);
        if (dmxPoint) {
          addPolylinetoView([[bridgeStart, bridgeStartY], [dmxPoint.x, dmxPoint.y]], false, false, 0, PDColor);
        } else {
          EAction.handleUserMessage("开始绘画桥梁，未找到地面线上的点, x: " + bridgeStart.toString());
        }
      } else if (foreNodeX > bridgeStart && nextNodeX < bridgeEnd) {
        // 绘画桥梁
        addPolylinetoView([[foreNodeX, foreNodeY - 3], [nextNodeX, nextNodeY - 3]], false, false, 0, PDColor);
      } else if (bridgeEnd >= foreNodeX && bridgeEnd < nextNodeX) {
        // 结束绘画桥梁
        var bridgeEndY = this.findIntersection(foreNodeX, foreNodeY, nextNodeX, nextNodeY, bridgeEnd).y;
        addPolylinetoView([[bridgeEnd, bridgeEndY - 3], [foreNodeX, foreNodeY - 3]], false, false, 0, PDColor);
        var dmxPoint = this.findPointByArray(dmxArrayData, bridgeEnd);
        if (dmxPoint) {
          addPolylinetoView([[bridgeEnd, bridgeEndY], [dmxPoint.x, dmxPoint.y]], false, false, 0, PDColor);
        } else {
          EAction.handleUserMessage("结束绘画桥梁，未找到地面线上的点, x: " + bridgeStart.toString());
        }
      }
    }
    EAction.handleUserMessage("ctr-123: " + formatDateTime());
    var middleZdm = this.findPointByArray(zdmArrayData, bridgeMiddleX);
    if (!middleZdm) {
      EAction.handleUserMessage("绘画桥梁中间，未找到纵断线上的点, bridgeMiddleX: " + bridgeMiddleX.toString());
      return;
    }
    var middleDmx = this.findPointByArray(dmxArrayData, bridgeMiddleX);
    if (!middleDmx) {
      EAction.handleUserMessage("绘画桥梁中间，未找到地面线上的点, bridgeMiddleX: " + bridgeMiddleX.toString());
      return;
    }
    EAction.handleUserMessage("ctr-134: " + formatDateTime());
    addPolylinetoView([[middleZdm.x, middleZdm.y - 3], [middleDmx.x, middleDmx.y]], false, false, 0, PDColor);
    // 里程格式和ZDM里程格式一致
    // 里程单位是km，格式应该为K000+000.000
    var milestone = (round(bridgeMiddleX * 1000) / 1000);
    var milestoneK = round(milestone / 1000);
    addSimpleTextToView("K" + milestoneK.toString() + "+" + (milestone - milestoneK).toString(), [middleZdm.x + 9, middleZdm.y + 6], 10, 90, "Standard", RS.VAlignTop, RS.HAlignLeft, false, false, 0);
    addPolylinetoView([[middleZdm.x, middleZdm.y], [middleZdm.x, middleZdm.y + 50]], false, false, 0, PDColor);
  }
};
FileCTR.prototype.applyTunnel = function (zdmArrayData, PDColor) {
  if (this.tunnelArrayData.length == 0) {
    EAction.handleUserMessage("tunnel(CTR) data is empty...");
    return false;
  }
  if (zdmArrayData.length == 0) {
    EAction.handleUserMessage("DMX data is empty...");
    return false;
  }
  for (var i = 0; i < this.tunnelArrayData.length; i++) {
    var startPoint = this.findPointByArray(zdmArrayData, this.tunnelArrayData[i][0]);
    if (!startPoint) {
      EAction.handleUserMessage("隧道开始节点，未找到纵断线上的点, x: " + this.tunnelArrayData[i][0].toString());
      continue;
    }
    var endPoint = this.findPointByArray(zdmArrayData, this.tunnelArrayData[i][1]);
    if (!endPoint) {
      EAction.handleUserMessage("隧道结束节点，未找到纵断线上的点, x: " + this.tunnelArrayData[i][1].toString());
      continue;
    }
    addPolylinetoView([[startPoint.x, startPoint.y], [startPoint.x, startPoint.y + 6]], false, false, 0, new RColor(255, 255, 0));
    addPolylinetoView([[startPoint.x, startPoint.y + 3], [endPoint.x, endPoint.y + 3]], false, false, 0, new RColor(255, 255, 0));
    addPolylinetoView([[endPoint.x, endPoint.y], [endPoint.x, endPoint.y + 6]], false, false, 0, new RColor(255, 255, 0));
  }
}

// 已知两个坐标的点，求指定x垂直线和已知两点的交点
FileCTR.prototype.findIntersection = function (x1, y1, x2, y2, xVertical) {
  // 如果两点的x坐标相同，则说明这两点在x=50的线上，交点即为它们之一
  if (x1 === xVertical) {
    return { x: x1, y: y1 };
  } else if (x2 === xVertical) {
    return { x: x2, y: y2 };
  }
  // 计算交点的y坐标
  const yIntersection = ((xVertical - x1) / (x2 - x1)) * (y2 - y1) + y1;
  return { x: xVertical, y: yIntersection };
};
FileCTR.prototype.findPointByArray = function (pointArray, x) {
  if (pointArray && pointArray.length > 0) {
    for (var i = 0; i < pointArray.length - 1; i++) {
      var foreNodeX = pointArray[i][0];
      var foreNodeY = pointArray[i][1];
      var nextNodeX = pointArray[i + 1][0];
      var nextNodeY = pointArray[i + 1][1];
      if (x >= foreNodeX && x <= nextNodeX) {
        return this.findIntersection(foreNodeX, foreNodeY, nextNodeX, nextNodeY, x);
      }
    }
  }
  return undefined;
};