From bd9cb65c8ee634f1f7bad5a69e891e3a4f46b768 Mon Sep 17 00:00:00 2001
From: ZhangXianQiang <1135831638@qq.com>
Date: 星期一, 01 四月 2024 15:54:41 +0800
Subject: [PATCH] feat:绘制地图
---
src/views/screen/components/screen-map-three/experience/world/world.js | 4
package.json | 1
src/assets/map/zigong1.json | 33 +----------
src/views/screen/components/screen-map-three/experience/world/map.js | 94 ++++++++++++++++++++++++++----
4 files changed, 86 insertions(+), 46 deletions(-)
diff --git a/package.json b/package.json
index b700b9c..7311195 100644
--- a/package.json
+++ b/package.json
@@ -41,6 +41,7 @@
"axios": "0.24.0",
"clipboard": "2.0.8",
"core-js": "3.25.3",
+ "d3": "^7.9.0",
"echarts": "5.4.0",
"echarts-gl": "^2.0.9",
"element-ui": "2.15.14",
diff --git a/src/assets/map/zigong1.json b/src/assets/map/zigong1.json
index 79a7a15..1afbf17 100644
--- a/src/assets/map/zigong1.json
+++ b/src/assets/map/zigong1.json
@@ -13724,7 +13724,7 @@
{
"type": "Feature",
"geometry": {
- "type": "Polygon",
+ "type": "MultiPolygon",
"coordinates": [
[
[
@@ -15232,35 +15232,7 @@
29.3673757219045,
0
]
- ]
- ]
- },
- "properties": {
- "name": "鑷祦浜�",
- "styleUrl": "#msn_ylw-pushpin",
- "fill-opacity": 0.7019607843137254,
- "fill": "#323232",
- "stroke-opacity": 1,
- "stroke": "#686868",
- "stroke-width": 5,
- "icon-scale": 1.1,
- "icon-offset": [
- 20,
- 2
- ],
- "icon-offset-units": [
- "pixels",
- "pixels"
- ],
- "icon": "http://maps.google.com/mapfiles/kml/pushpin/ylw-pushpin.png",
- "Style": "BRUSH(id:ogr-brush-1);PEN(c:#4d90feff,w:1.000000px,id:ogr-pen-0);LABEL(f:榛戜綋,s:11.000000pt,c:#ffffffff,w:100.000000,o:#000000ff)"
- }
- },
- {
- "type": "Feature",
- "geometry": {
- "type": "Polygon",
- "coordinates": [
+ ],
[
[
104.734902857524,
@@ -20511,6 +20483,7 @@
"Style": "BRUSH(id:ogr-brush-1);PEN(c:#4d90feff,w:1.000000px,id:ogr-pen-0);LABEL(f:榛戜綋,s:11.000000pt,c:#ffffffff,w:100.000000,o:#000000ff)"
}
},
+
{
"type": "Feature",
"geometry": {
diff --git a/src/views/screen/components/screen-map-three/experience/world/map.js b/src/views/screen/components/screen-map-three/experience/world/map.js
index 599d3df..e32efc6 100644
--- a/src/views/screen/components/screen-map-three/experience/world/map.js
+++ b/src/views/screen/components/screen-map-three/experience/world/map.js
@@ -1,24 +1,90 @@
import * as THREE from 'three';
+import * as d3 from 'd3';
+import mapData from '@/assets/map/zigong.json';
-export default class Test {
+
+const projection = d3.geoMercator().center([104.779307, 29.33924]).translate([0, 0, 0]);
+export default class Map {
constructor(experience) {
this.experience = experience;
this.scene = this.experience.scene;
+ this.operationData(mapData);
+ }
+ operationData(jsondata) {
+ this.map = new THREE.Object3D();
+ // geo淇℃伅
+ const features = jsondata.features;
+ features.forEach((feature) => {
+ // 鍗曚釜鐪佷唤 瀵硅薄
+ const province = new THREE.Object3D();
+ // 鍦板潃
+ province.properties = feature.properties.name;
+ const coordinates = feature.geometry.coordinates;
- this.setGeometry();
- this.setMaterial();
- this.setMesh();
- }
- setGeometry() {
- this.geometry = new THREE.BoxGeometry(2,2,2);
- }
- setMaterial() {
- this.geometryMaterial = new THREE.MeshStandardMaterial({
- color: '#db929d'
+ // 澶氫釜鎯呭喌
+ if (feature.geometry.type === "MultiPolygon") {
+ coordinates.forEach((coordinate) => {
+ coordinate.forEach((rows) => {
+ const line = this.drawBoundary(rows);
+ const mesh = this.drawExtrudeMesh(rows);
+ province.add(line);
+ province.add(mesh);
+ });
+ });
+ }
+
+ // 鍗曚釜鎯呭喌
+ if (feature.geometry.type === "Polygon") {
+ coordinates.forEach((coordinate) => {
+ const line = this.drawBoundary(coordinate);
+ const mesh = this.drawExtrudeMesh(coordinate);
+ province.add(line);
+ province.add(mesh);
+ });
+ }
+ this.map.add(province);
+ this.map.position.set(0, 0, 0);
});
+ this.scene.add(this.map);
}
- setMesh() {
- this.geometrytMesh = new THREE.Mesh(this.geometry, this.geometryMaterial);
- this.scene.add(this.geometrytMesh);
+ drawBoundary(polygon) {
+ const points = [];
+ for (let i = 0; i < polygon.length; i++) {
+ const [x, y] = projection(polygon[i]);
+ points.push(new THREE.Vector3(x, -y, 0));
+ }
+ const lineGeometry = new THREE.BufferGeometry().setFromPoints(points);
+ const lineMaterial = new THREE.LineBasicMaterial({
+ color: 'yellow'
+ });
+
+ return new THREE.Line(lineGeometry, lineMaterial);
+ }
+
+ drawExtrudeMesh(polygon) {
+ const shape = new THREE.Shape();
+
+ for (let i = 0; i < polygon.length; i++) {
+ const [x, y] = projection(polygon[i]);
+
+ if (i === 0) {
+ shape.moveTo(x, -y);
+ }
+
+ shape.lineTo(x, -y);
+ }
+
+ const geometry = new THREE.ExtrudeGeometry(shape, {
+ depth: 0,
+ bevelEnabled: false
+ });
+
+ const material = new THREE.MeshBasicMaterial({
+ color: '#fff',
+ transparent: true,
+ opacity: 0.2,
+ })
+
+ return new THREE.Mesh(geometry, material);
}
}
\ No newline at end of file
diff --git a/src/views/screen/components/screen-map-three/experience/world/world.js b/src/views/screen/components/screen-map-three/experience/world/world.js
index 3a2bbe0..1b2690f 100644
--- a/src/views/screen/components/screen-map-three/experience/world/world.js
+++ b/src/views/screen/components/screen-map-three/experience/world/world.js
@@ -1,13 +1,13 @@
import EventEmitter from '../utils/eventEmitter';
-import Test from "./test";
+import Map from './map';
export default class World extends EventEmitter {
constructor(experience) {
super();
this.experience = experience;
this.scene = this.experience.scene;
- this.Test = new Test(this.experience);
+ this.Map = new Map(this.experience);
}
update() {
--
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