real3d-portalsite/src/views/viewer.vue

<template>
    <div>
        <i class="cesiumbtn" :class="store.state.viewer_flag ? 'el-icon-aim' : 'el-icon-rank'" :title="isbig ? '缩小' : '放大'"
            @click="bigViewerChange"></i>
        <div v-show="store.state.viewer_flag" class="viewer">
            <div class="bg">

                <div class="bg_left"></div>
                <div class="bg_right"></div>
                <div class="bg_bottom"></div>
            </div>
            <datePicker @dateChange="dateChange"></datePicker>
            <!-- <ser-center></ser-center> -->
            <KJZB ref="gkzb_ref" />
            <JCBD />

            <TDSC ref="tdsc_ref" />
            <TDSY ref="tdgy_ref" />
            <GDBH ref="gdbh_ref" />
            <STXF ref="stxf_ref" />
            <WPJG ref="wpjg_ref" />

            <div class="bottom_model">
                <div class="bjxm_box">
                    <BJXM ref="bjxm_ref" />

                </div>
                <div class="hysy_box">
                    <HYSY ref="hysy_ref" />
                </div>
            </div>

        </div>
    </div>
</template>

<script>
//这里可以导入其他文件（比如：组件，工具js，第三方插件js，json文件，图片文件等等）
import KJZB from './cockpit/kjgh';
import TDSC from './cockpit/tdsc';
import HYSY from './cockpit/hysy';
import TDSY from './cockpit/tdsy';
import BJXM from './cockpit/bjxm';
import GDBH from './cockpit/gdbh';
import STXF from './cockpit/stxf';
import WPJG from './cockpit/wpjg';
import JCBD from './cockpit/jcbd';

import datePicker from './cockpit/datePicker.vue';
import xzqh from "../../static/data/460200_full.json";
import hyqy from "../../static/data/460200_hyqy.json";


import { cockpitInfo } from '@/api/cockpit'
import * as cockpit from "@/common/js/cockpit.js";

export default {
    name: 'viewer',
    components: { KJZB, BJXM, TDSC, HYSY, TDSY, GDBH, STXF, WPJG, datePicker, JCBD },
    data() {
        return {
            params: {
                beginTime: '',
                endTime: '',
                id: 4602,
                name: ""
            },
            flag: true,
            xzqh_color_click: "rgba(46, 177, 251, 0.6)",
            xzqh_color: "rgba(10, 95, 152, 0.5)",
            primitivesL: [],
        };
    },
    //监听属性 类似于data概念
    computed: {},
    //监控data中的数据变化
    watch: {},
    //方法集合
    methods: {
        bigViewerChange() {
            store.setViewerFlagb(!store.state.viewer_flag);
            store.setToolBarShow(!store.state.viewer_flag);
            // store.setToolBarShow(true);

            // // 隐藏行政区划
            // cockpit.hidden_xzqh(store.state.viewer_flag);
            // // 隐藏墙体
            // cockpit.hidden_wall(store.state.viewer_flag);
        },
        switch() {
            this.flag = !this.flag;
        },
        setDatas() {

            // 耕地保护
            this.$refs.gdbh_ref.init_zbph(this.params);
            this.$refs.gdbh_ref.init_info(this.params);


            // this.$refs.stxf_ref.setData({ id: this.params.id });
            // this.$refs.wpjg_ref.setData(this.params);
            // 卫片监管
            this.$refs.wpjg_ref.init_wpjg_title(this.params);

            this.$refs.tdsc_ref.init_scjd(this.params);
            // 土地供应
            this.$refs.tdgy_ref.init_tdgy_gy_jd(this.params);
            this.$refs.tdgy_ref.init_tdgy_gy_jg(this.params);
            this.$refs.tdgy_ref.init_tdgy_jt_jg(this.params);
            this.$refs.tdgy_ref.getInfo(this.params);
            this.$refs.tdgy_ref.init_tdgy_jt_jd(this.params);
            this.$refs.tdgy_ref.init_echart_data(this.params);
            this.$refs.tdgy_ref.init_info(this.params);


            // 海域使用
            // this.$refs.hysy_ref.init_info(this.params);
            // this.$refs.hysy_ref.init_echart_data(this.params);

            // 报建项目
            this.$refs.bjxm_ref.init_info(this.params);
            this.$refs.bjxm_ref.init_bjxm_echart_info(this.params);
            // 生态修复
            this.$refs.stxf_ref.getInfo(this.params);
            this.$refs.stxf_ref.tdzz(this.params);
            // 卫片监管
            this.$refs.wpjg_ref.switch_xzqh(this.params);
        },
        dateChange(date) {
            this.params.beginTime = date[0]
            this.params.endTime = date[1]
            this.setDatas()
        },
        async gkzb_xzqh(address) {
            let obj = {
                // beginTime: store.state.cockpit_date[0],
                // endTime: store.state.cockpit_date[1],
                jscType: 'jsc_gkzb_ztgu_stbh',
                id: address
            };
            let data = await cockpitInfo(obj);

            let obj_yjjbntmj = {
                jscType: 'jsc_gdbh_ztgh_nt',
                id: address
            };
            let obj_yjjbntmj_data = await cockpitInfo(obj_yjjbntmj);

            let obj_kfbjmj = {
                jscType: 'jsc_gkzb_ztgh_kfbj',
                id: address
            };
            let obj_kfbjmj_data = await cockpitInfo(obj_kfbjmj);

            let obj_gdbhmb = {
                jscType: 'jsc_gkzb_ztgu_gdbhmb',
                id: address
            };
            let obj_gdbhmb_data = await cockpitInfo(obj_gdbhmb);
            store.setCockpitGkzb({
                mj: data.data[0].mj,// 生态保护红线面积
                ly_mj: data.data[0].ly_mj,// 路域生态保护红线
                hy_mj: data.data[0].hy_mj,//近海岸面积
                yjjbntmj: obj_yjjbntmj_data.data[0].yjjbntmj,// 永久基本农田保护面积
                kfbjmj: obj_kfbjmj_data.data[0].kfbjmj,// 城市开发边界
                bfb: (obj_kfbjmj_data.data[0].bfb * 100).toFixed(2),// 覆盖城镇开发边界
                tbmj_ys: obj_gdbhmb_data.data[0].tbmj_ys,//耕地保护目标
                ghdkmj: obj_kfbjmj_data.data[0].ghdkmj//已入库管控范围

            });

        },
        async gkzb() {
            const that = this;
            that.$refs.gkzb_ref["initData"]();
        },
        async pick_xzqh() {
            const that = this;
            const handler = new Cesium.ScreenSpaceEventHandler(viewer.scene.canvas);
            handler.setInputAction(async event => {
                let pickObj = viewer.scene.pick(event.position);
                var position = viewer.scene.pickPosition(event.position);

                if (!position)//点击到地球之外
                    return false;
                var cartographic = Cesium.Cartographic.fromCartesian(position);


                let longitude = Cesium.Math.toDegrees(cartographic.longitude);
                let latitude = Cesium.Math.toDegrees(cartographic.latitude);
                let height = cartographic.height;
                let heading = viewer.scene.camera.heading;
                let pitch = viewer.scene.camera.pitch;
                // that.addSceneFun()

                if (!position) {
                    position = Cesium.Cartesian3.fromDegrees(0, 0, 0);
                }
                if (Cesium.defined(pickObj) && store.state.xzqh_flag) {
                    if (pickObj.primitive instanceof Cesium.Primitive && store.state.xzqh_flag == true) {//点击primitive
                        //primitive相关操作

                        let obj = JSON.parse(pickObj.id);

                        let pri_name = obj.name;
                        let adcode = obj.adcode
                        that.params.id = adcode
                        that.params.name = pri_name

                        that.setDatas()
                        // 管控指标
                        that.gkzb_xzqh(adcode);
                        cockpit.pick_xzqh(pri_name);
                    }


                } else {
                    // 暂时点击周围数据显示三亚市
                    // 清除所有xzqh状态

                    cockpit.pick_xzqh();
                    // 管控指标
                    that.gkzb();

                    that.params.id = '4602'
                    that.setDatas()

                }

            }, Cesium.ScreenSpaceEventType.LEFT_CLICK);
        },
        colorFun(color) {


            //             * `czm_material czm_getMaterial(czm_materialInput materialInput) {...}`: 这是一个名为 `czm_getMaterial` 的函数，它接受一个 `czm_materialInput` 类型的参数并返回一个 `czm_material` 类型的对象。这是 Cesium 中的一个约定，允许你通过编写自定义的 GLSL 代码来定义材质。  
            // * `czm_material material = czm_getDefaultMaterial(materialInput);`: 获取默认的材质设置。  
            // * `vec2 st = materialInput.st;`: 从输入中获取纹理坐标（texture coordinates）。  
            // * `float dis = distance(st, vec2(0.5));`: 计算纹理坐标与中心 `(0.5, 0.5)` 的距离。  
            // * `material.diffuse = color.rgb;`: 设置材质的漫反射颜色为你提供的 `color` 的 RGB 部分。  
            // * `material.alpha = clamp(dis * 2.0, 0.1, 0.7);`: 根据与中心的距离设置材质的透明度（alpha）。使用 `clamp` 函数确保透明度值在 0.1 和 0.7 之间。
            const fs = `czm_material  czm_getMaterial(czm_materialInput materialInput)
            
            {
                czm_material material = czm_getDefaultMaterial(materialInput);
                vec2 st = materialInput.st; 
                float dis = distance(st,vec2(0.5));
                material.diffuse = color.rgb;
                material.alpha = clamp( dis * 2.0, 0.1, 0.3);
                return material;
            }
            `

            const material = new Cesium.Material({
                fabric: {
                    uniforms: {
                        color: color
                    },
                    source: fs,

                }
            })

            const aper = new Cesium.MaterialAppearance({
                material,
                source: fs,

            })

            return aper;
        },
        init_xzqh() {
            const that = this;
            xzqh.features.forEach((res) => {

                let obj = {
                    'type': "cockpit",
                    'name': res.properties.name,
                    'centroid': res.properties.centroid,
                    'adcode': res.properties.adcode,
                }
                res.geometry.coordinates.forEach((item) => {

                    const twoDArray = item[0];
                    const oneDArray = twoDArray.reduce((accumulator, currentValue) => accumulator.concat(currentValue), []);
                    that.primitivesL.push(JSON.stringify(obj));
                    // 行政区划
                    let polygon = new Cesium.GeometryInstance({
                        id: JSON.stringify(obj),
                        geometry: new Cesium.PolygonGeometry({
                            minimum: new Cesium.Cartesian3(0, 0, 0),
                            maximum: new Cesium.Cartesian3(100000, 100000, 100000),
                            polygonHierarchy: new Cesium.PolygonHierarchy(
                                Cesium.Cartesian3.fromDegreesArray(oneDArray)
                            ),
                            height: 100,
                            extrudedHeight: res.properties.extrudedHeight,
                        })
                    })

                    let addPolygonGeometry = new Cesium.Primitive({
                        geometryInstances: polygon,
                        appearance: that.colorFun(Cesium.Color.fromCssColorString('#139FF0')),
                        show: true,

                    })
                    // manager.add(addPolygonGeometry)

                    cockpit.addPrimitive(addPolygonGeometry);

                    viewer.scene.primitives.add(addPolygonGeometry)

                    // 墙体流动效果
                    var positions = Cesium.Cartesian3.fromDegreesArray(oneDArray);

                    cockpit.add_wall(obj, positions, res);
                })
            })
        },
        init_hyqy() {
            const that = this;

            hyqy.features.forEach((res) => {

                let obj = {
                    'type': "cockpit",
                    'name': res.properties.name,
                    'centroid': res.properties.centroid,
                    'adcode': res.properties.adcode,
                }
                const twoDArray = res.geometry.coordinates[0];
                const oneDArray = twoDArray.reduce((accumulator, currentValue) => accumulator.concat(currentValue), []);

                cockpit.add_hy(obj, res, oneDArray, that.xzqh_color);
            })
        },
        addSceneFun() {
            var pitch = viewer.camera.pitch;
            //获取当前视角的heading
            var heading = viewer.camera.heading;
            //获取当前视角的postion（位置）
            var position = viewer.camera.position;
            var x = position.x;
            var y = position.y;
            var z = position.z;
            var testPitch = pitch;
            var testHeading = heading;
            // console.log("获取当前视角x,y,z", position.x, position.y, position.z, "pitch", pitch, "heading", heading);

            var obj = {
                "x": x,
                "y": y,
                "z": z,
                "pitch": pitch,
                "heading": heading,
            }

            console.log(obj, "asd");

        },
        flatten3DArray(arr) {
            let stack = [...arr]; // 初始化栈，并将数组元素压入栈中  
            let result = []; // 用于存储结果的一维数组  

            while (stack.length > 0) {
                let current = stack.pop(); // 弹出栈顶元素  
                if (Array.isArray(current)) {
                    // 如果当前元素是数组，则将其元素压入栈中（逆序）  
                    for (let i = current.length - 1; i >= 0; i--) {
                        stack.push(current[i]);
                    }
                } else {
                    // 如果当前元素不是数组，则将其添加到结果数组中  
                    result.push(current);
                }
            }

            // 注意：因为我们是逆序压入栈中的，所以结果数组的顺序与原始三维数组中的顺序相反  
            // 如果需要保持原始顺序，可以在压入栈时使用unshift代替push，但这样会降低性能  
            return result;
        },
    },
    beforeCreate() { }, //生命周期 - 创建之前
    created() { }, //生命周期 - 创建完成（可以访问当前this实例）
    beforeMount() { }, //生命周期 - 挂载之前
    async mounted() {


        this.$nextTick((res) => {
            cockpit.init(viewer);

            this.pick_xzqh();
            this.init_xzqh();
            this.init_hyqy();

        });


    }, //生命周期 - 挂在完成
    beforeUpdate() { }, //生命周期 - 更新之前
    updated() { }, //生命周期 - 更新之后
    beforeDestroy() { }, //生命周期 - 销毁之前
    destroy() { },//生命周期 - 销毁完成
    activated() {
        cockpit.hidden_xzqh(true);
        cockpit.hidden_wall(true);
    }, //若组件实例是 <KeepAlive> 缓存树的一部分，当组件被插入到 DOM 中时调用。
    deactivated() {
        cockpit.hidden_xzqh(false);
        cockpit.hidden_wall(false);

    } //若组件实例是 <KeepAlive> 缓存树的一部分，当组件从 DOM 中被移除时调用。
};
</script>
<style  scoped lang="scss" >
.viewer {
    width: 100%;
    height: 100%;
}

.bg {
    width: 100%;
    height: 100%;

    .bg_left {
        width: 21.6%;
        height: calc(100% + 60px);
        position: absolute;
        top: -60px;
        left: 0;
        z-index: 100;
        background: linear-gradient(to right, rgba(6, 37, 66, 1), rgba(26, 28, 53, 0));
    }

    .bg_right {
        width: 21.6%;
        height: calc(100% + 60px);
        position: absolute;
        top: -60px;
        right: 0;
        z-index: 100;
        background: linear-gradient(to left, rgba(6, 37, 66, 1), rgba(26, 28, 53, 0));
    }

    .bg_bottom {
        width: 100%; // 56.8%;
        height: 30%;
        position: absolute;
        // left: 21.6%;
        bottom: 0;
        z-index: 100;
        background: linear-gradient(to top, rgba(6, 37, 66, 0.5), rgba(26, 28, 53, 0));
    }
}

.bottom_model {
    // border: 1px solid red;
    position: absolute;
    left: 28.5vw;
    width: 44vw;
    height: 29vh;
    z-index: 100;
    top: 38rem;

    .bjxm_box {
        // border: 1px solid red;
        width: 48%;
        height: 100%;
        display: inline-block;
    }

    .hysy_box {
        // border: 1px solid red;
        width: 48%;
        height: 100%;
        display: inline-block;
        float: right;
    }
}
</style>