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+package com.fdkankan.dxf.parse.utils;
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+
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+import cn.hutool.core.date.DateUtil;
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+import com.alibaba.fastjson.JSONArray;
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+import com.alibaba.fastjson.JSONObject;
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+import com.fdkankan.dxf.fdjson.vo.FdPoints;
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+import com.fdkankan.dxf.generate.DxfDocWriter;
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+import com.fdkankan.dxf.generate.Vector3;
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+import com.fdkankan.dxf.generate.enums.LineWidthEnum;
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+import com.fdkankan.dxf.generate.model.DxfArc;
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+import com.fdkankan.dxf.generate.model.DxfPoint;
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+import com.fdkankan.dxf.generate.model.DxfText;
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+import com.fdkankan.dxf.generate.model.base.Color;
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+
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+import java.math.BigDecimal;
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+import java.nio.file.Files;
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+import java.nio.file.Paths;
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+import java.util.Date;
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+import java.util.HashMap;
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+
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+public class LaserMeterToDxfUtil {
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+
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+ /**
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+ * 场景测量数据转换dxf
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+ * @param inPath json输入文件地址
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+ * @param outPath dxf输出地址
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+ */
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+ private static void toDxf(String inPath, String outPath) throws Exception{
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+
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+ DxfDocWriter dxfDocWriter = new DxfDocWriter();
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+
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+ String msg = new String(Files.readAllBytes(Paths.get(inPath)));
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+ JSONObject jsonObject = JSONObject.parseObject(msg);
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+ JSONArray points = jsonObject.getJSONArray("control_points_3d"); //点
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+ JSONArray lines = jsonObject.getJSONArray("distances"); //线
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+
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+ HashMap<String, Vector3> pointMap= new HashMap<>();
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+
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+ /**
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+ * 模拟人眼视角，将三维点投影到二维平面，常用于计算机图形学。公式为：
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+ * x1 = x/z ,y1=y/z
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+ */
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+ for (Object obj : points) {
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+ JSONObject point = (JSONObject) (obj);
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+ Vector3 vector3 = new Vector3(point.getDouble("x") /point.getDouble("z") * 100 ,point.getDouble("y")/point.getDouble("z") * 100,0);
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+ pointMap.put(point.getString("uuid"),vector3);
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+ }
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+ for (Object obj : lines) {
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+ JSONObject line = (JSONObject) (obj);
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+ String startPoint = line.getString("uuid_start");
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+ String endPoint = line.getString("uuid_end");
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+ Double distance = line.getDouble("distance");
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+ BigDecimal bigDecimal = new BigDecimal(distance).setScale(5,BigDecimal.ROUND_UP);
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+ FdJsonToDxfUtil.drawLinePoint(pointMap.get(startPoint),pointMap.get(endPoint),dxfDocWriter);
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+
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+ DxfText dxfText = new DxfText();
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+ Vector3 vector3 = new Vector3((pointMap.get(endPoint).getX() + pointMap.get(startPoint).getX()) /2 -10,
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+ (pointMap.get(endPoint).getY() + pointMap.get(startPoint).getY() )/2 -10,
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+ 0);
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+ dxfText.setStartPoint(vector3);
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+ dxfText.setText(bigDecimal.toString()+"cm");
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+ dxfText.setAngle(angleBetween(pointMap.get(startPoint),pointMap.get(endPoint)));
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+ dxfDocWriter.addEntity(dxfText);
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+ }
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+ for (String s : pointMap.keySet()) {
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+ DxfArc dxfArc = new DxfArc();
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+ dxfArc.setCenter(pointMap.get(s));
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+ dxfArc.setRadius(0.5);
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+ dxfArc.setStartAngle(0);
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+ dxfArc.setEndAngle(360);
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+ dxfArc.setSolid(true);
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+ dxfArc.setSolidColor(new Color(0, 255, 0));
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+ dxfArc.setColor(new Color(0, 255, 0));
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+// DxfPoint dxfPoint = new DxfPoint();
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+// dxfPoint.setPoint(pointMap.get(s));
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+// dxfPoint.setColor(new Color(0, 255, 0));
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+ dxfDocWriter.addEntity(dxfArc);
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+ }
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+ dxfDocWriter.save(outPath, true);
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+ }
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+
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+
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+ // 计算两点之间的角度（相对于水平轴，单位为弧度）
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+ public static double angleBetween(Vector3 point, Vector3 point2) {
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+ //角度
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+ Double atan = Math.atan((point2.getY()-point.getY()) / (point2.getX()-point.getX())) / 3.14 * 180;
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+ return atan;
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+ }
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+
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+ // 计算两点之间的线段长度
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+ public static double distanceBetween(Vector3 p1, Vector3 p2) {
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+ double deltaX = p2.getX() - p1.getX();
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+ double deltaY = p2.getY() - p1.getY();
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+ return Math.sqrt(deltaX * deltaX + deltaY * deltaY);
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+ }
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+ public static void main(String[] args) throws Exception{
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+ String inPath ="D:\\cad\\work\\111\\1.json";
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+ String outPath ="D:\\cad\\work\\111\\"+new Date().getTime()+".dxf";
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+ LaserMeterToDxfUtil.toDxf(inPath,outPath);
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+ }
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+
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+
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+}
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lyhzzz