change online2

wangjuncheng

2025-06-03 3a5c1113b5eb26e36f973e39c50fa4399763edc1

 src/components/menu/CrossSectionalAnalysis.vue

@@ -10,14 +10,13 @@
      </div>
      <div @click="clearPoints">
         <img src="@/assets/img/timeline/清除.png" style="width: 26px;height: 26px;" />

      </div>
   </div>
</template>

<script setup>
import { ElMessage } from 'element-plus';
import { ref, onMounted ,defineExpose } from "vue";
import { ref, onMounted, defineExpose } from "vue";

const viewer = window.viewer;

@@ -26,9 +25,11 @@
let isWallCreated = ref(false); // 新增状态变量，标记墙体是否已创建
let isPicking = ref(false); // 是否正在拾取点
const isUploaded = ref(false); // 控制是否已上传

// 获取断面坐标
function getPickPosition(windowPosition) {
   if (!viewer) return null;
   viewer.scene.globe.depthTestAgainstTerrain = true;
   const cartesian = viewer.scene.pickPosition(windowPosition);
   if (!cartesian) return null;
   const cartographic = Cesium.Cartographic.fromCartesian(cartesian);
@@ -56,7 +57,6 @@
   pickedPointsCross.value.push(point);
   drawPointOnMap(point);
   if (pickedPointsCross.value.length === 2) {
      // ElMessage.success('当前两点坐标已选取完成，正在生成断面截面！');
      drawWall(pickedPointsCross.value[0], pickedPointsCross.value[1]);
      isWallCreated.value = true; // 设置为已创建墙体
   }
@@ -88,9 +88,66 @@
      }
   });
   pickedEntitiesIds.value.push(entity.id); // 记录实体ID
   // 同时绘制模拟点
   drawSimulationPoint(startPoint, endPoint);
}

// 修改后的清除函数，只清除创建的点和墙
// 新增：绘制模拟点（圆柱 + label）
function drawSimulationPoint(start, end) {
// 计算中点（经纬度平均值）
const midLon = (start.longitude + end.longitude) / 2;
const midLat = (start.latitude + end.latitude) / 2;
const terrainHeight = viewer.scene.globe.getHeight(
   Cesium.Cartographic.fromDegrees(midLon, midLat)
);

const cylinderBottomHeight = 0;
const cylinderTopHeight = terrainHeight + 190;
const cartesianBottom = viewer.scene.globe.ellipsoid.cartographicToCartesian(
   Cesium.Cartographic.fromDegrees(midLon, midLat, cylinderBottomHeight)
);
const CrosscylinderEntity = viewer.entities.add({
   position: cartesianBottom,
   cylinder: {
      length: 190.0,
      topRadius: 1.0,
      bottomRadius: 1.0,
      material: Cesium.Color.YELLOW,
      outline: true,
      outlineColor: Cesium.Color.YELLOW,
      slices: 64,
      heightReference: Cesium.HeightReference.RELATIVE_TO_GROUND,
      distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 5000)
   }
});
const labelHeight = cylinderTopHeight + 10;
const cartesianLabel = viewer.scene.globe.ellipsoid.cartographicToCartesian(
   Cesium.Cartographic.fromDegrees(midLon, midLat, labelHeight)
);

const CrosslabelEntity = viewer.entities.add({
   position: cartesianLabel,
   label: {
      text: '断面截面模拟点',
      font: 'bold 14pt monospace',
      style: Cesium.LabelStyle.FILL_AND_OUTLINE,
      fillColor: Cesium.Color.YELLOW,
      outlineColor: Cesium.Color.BLACK,
      outlineWidth: 2,
      verticalOrigin: Cesium.VerticalOrigin.CENTER,
      horizontalOrigin: Cesium.HorizontalOrigin.CENTER,
      backgroundColor: Cesium.Color.fromCssColorString('rgba(0,0,0,0.7)'),
      backgroundPadding: new Cesium.Cartesian2(10, 10),
      showBackground: true,
      scale: 1,
      distanceDisplayCondition: new Cesium.DistanceDisplayCondition(0, 5000),
      pixelOffsetScaleByDistance: new Cesium.NearFarScalar(100, 1.0, 5000, 0.3),
      heightReference: Cesium.HeightReference.NONE // 使用绝对高度
   }
});
pickedEntitiesIds.value.push(CrosscylinderEntity.id);
pickedEntitiesIds.value.push(CrosslabelEntity.id);
}
function clearPoints() {
   for (const id of pickedEntitiesIds.value) {
      viewer.entities.remove(viewer.entities.getById(id));
@@ -100,34 +157,25 @@
   isWallCreated.value = false;
   isUploaded.value = false;
}

// 拾取点坐标然后画点（简化版）
function initPickHandler() {
   // 切换状态：如果之前在拾取，这次就是取消拾取
   if (isPicking.value) {
      if (pickHandlerCross) {
         pickHandlerCross.destroy();
         pickHandlerCross = null;
      }
      isPicking.value = false;
      isUploaded.value = false;
      // isUploaded.value = false;
		
      ElMessage.info('已关闭--断面截面--拾取点坐标功能！');
      return;
   }

   // 进入拾取模式
   ElMessage.success(`开始--断面截面--拾取坐标功能，请点击地图选择点位！选取完请及时关闭，避免影响其他功能！`);
   isPicking.value = true;

   if (!viewer?.scene?.canvas) return;

   // 销毁旧的 handler
   if (pickHandlerCross) {
      pickHandlerCross.destroy();
      pickHandlerCross = null;
   }

   // 创建新 handler
   pickHandlerCross = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);

   const clickAction = (movement) => {
@@ -139,7 +187,6 @@

   pickHandlerCross.setInputAction(clickAction, Cesium.ScreenSpaceEventType.LEFT_CLICK);
}
// 确认按钮点击事件,发送请求调用接口
function confirmPoints() {
   if (pickedPointsCross.value.length < 2) {
      ElMessage.warning('请先选择两个点后再进行确认！');
@@ -161,9 +208,10 @@
      cartesian: point2.cartesian
   });

   isUploaded.value = true; // 设置为已上传状态
   isUploaded.value = true; 
   ElMessage.success('正在进行--断面截面--数据分析上传，请稍等...');
}

defineExpose({
   clearPoints
});