【JAVAFX 构建中国地图2021最新版】

【JAVAFX 构建中国地图2021最新版】

• 一直在想中国地图如何能够在界面中实现,查找资料后发现地图的轮廓原来是一堆节点构成.于是中国地图它来了.

• 中国地图数据来源:http://datav.aliyun.com/tools/atlas/index.html

• 版本:V3

• 地图数据版本数据更新于2021.5

• 地图构建效果:

• 版本1.0

• 版本2.0
  

• 中国地图数据绘制实现
  地图数据默认绘制的节点是反向的,需要修正处理,同时内蒙古自治区的数据和其他省份的数据在构建格式上有不同.如有其他问题可以留言交流.

package com.liangchao.modelcenter.uisystem.controller.tool;import com.fasterxml.jackson.databind.ObjectMapper; import com.liangchao.modelcenter.uisystem.frame.App; import com.liangchao.modelcenter.utils.ColorUtil; import com.liangchao.modelcenter.utils.FileUtil; import com.liangchao.modelcenter.utils.javafx.MouseMove; import com.liangchao.modelcenter.utils.javafx.SupperController; import de.felixroske.jfxsupport.FXMLController; import javafx.fxml.FXML; import javafx.scene.control.Label; import javafx.scene.input.MouseEvent; import javafx.scene.layout.AnchorPane; import javafx.scene.layout.VBox; import javafx.scene.media.Media; import javafx.scene.media.MediaPlayer; import javafx.scene.paint.Color; import javafx.scene.shape.Polygon; import lombok.*; import org.springframework.beans.factory.annotation.Autowired;import java.util.ArrayList; import java.util.LinkedList; import java.util.List; import java.util.Map;/*** 中国地图图形绘制*/ @FXMLController public class ChineseMapUIController extends SupperController {@FXMLprivate Label name;@FXMLprivate Label code;@FXMLprivate Label level;@FXMLprivate VBox infoBox;//信息@FXMLprivate AnchorPane canvas;//绘制面板@Autowiredprivate ObjectMapper objectMapper;private MediaPlayer mediaPlayer;private static boolean play = false;private List<Polygon> polygonList;private Polygon thisPolygon;private static final String SELECT_POLYGON = "select-polygon";@Overridepublic void closeHandle() {if (mediaPlayer != null) {mediaPlayer.stop();mediaPlayer = null;}play = false;}@Overridepublic void openHandle(Object... param) {try {this.drawChineseMap();} catch (Exception e) {e.printStackTrace();}//绑定属性面板拖动infoBox.setLayoutX(10);infoBox.setLayoutY(10);new MouseMove(infoBox).bind();this.name.setText("");this.code.setText("");this.level.setText("");}/*** 绘制地图*/private void drawChineseMap() throws Exception {Map map;List list, list1, list2;polygonList = new LinkedList<>();double scale = 12, w = App.controller().getWinWidth() / 2, w0 = 550, h = App.controller().getWinHeight() / 2;h = 670;for (Object object : loadMap()) {map = (Map) ((Map) object).get("properties");// 各块轮廓list = (List) ((Map) ((Map) object).get("geometry")).get("coordinates");for (Object root : list) {// 轮廓节点Polygon polygon = new Polygon();polygonList.add(polygon);Entity entity = new Entity();entity.setPolygon(polygon);entity.setName(map.get("name").toString());entity.setAdcode(map.get("adcode").toString());list2 = (List) map.get("center");if (list2 != null) {entity.setCenterX((Double) list2.get(0));entity.setCenterY((Double) list2.get(1));}list2 = (List) map.get("centroid");if (list2 != null) {entity.setCentroidX((Double) list2.get(0));entity.setCentroidY((Double) list2.get(1));}entity.setChildrenNum((Integer) map.get("childrenNum"));entity.setLevel(map.get("level") != null ? map.get("level").toString() : null);entity.setParentCode(map.get("parent") != null ? (Integer) ((Map) map.get("parent")).get("adcode") : null);entity.setSubFeatureIndex((Integer) map.get("subFeatureIndex"));list2 = (List) map.get("acroutes");if (list2 != null) {entity.setAcroutes((Integer) list2.get(0));}polygon.getStyleClass().add("polygon");polygon.setFill(Color.web(ColorUtil.toHex(), 0.95));polygon.setOnMouseClicked(event -> {this.name.setText(entity.getName());this.code.setText(entity.getAdcode());this.level.setText(this.convertLevel(entity.getLevel()));});list1 = (List) root;list = (List) list1.get(0);// 内蒙古自治区 数据在上一级list中 比较特殊if (entity.getName().equals("内蒙古自治区")) {list = list1;}int i = 0;for (Object ls : list) {if (ls instanceof ArrayList) {int j = 0;for (Object val : (List) ls) {polygon.getPoints().add(j % 2 != 0 ? h - (Double) val * scale : (Double) val * scale - w0);j++;}} else {System.out.println(ls.getClass().getName() + " other ");}i++;}canvas.getChildren().add(polygon);}}}public List loadMap() throws Exception {// https://geo.datav.aliyun.com/areas_v3/bound/100000_full.json// http://datav.aliyun.com/tools/atlas/index.html//// 数据来源于高德开放平台，数据更新于2020.4String file = this.getClass().getResource("/chinese_full.json").getFile();// 获取第一级数据return (List) objectMapper.readValue(FileUtil.file(file), Map.class).get("features");}/*** level 转换*/private String convertLevel(String level) {// country:国家// province:省份（直辖市会在province和city显示）// city:市（直辖市会在province和city显示）// district:区县// street:街道String v = null;if (level == null) {return v;}switch (level) {case "country":v = "国家";break;case "province":v = "省份";break;case "city":v = "市";break;case "district":v = "区县";break;case "street":v = "街道";break;}return v;}/*** 播放音乐*/public void playMusicAction(MouseEvent event) {if (play) {mediaPlayer.stop();play = false;return;}Media media2 = new Media(this.getClass().getResource("/audio/chinese.mp3").toString());mediaPlayer = new MediaPlayer(media2);mediaPlayer.setAudioSpectrumListener((timestamp, duration, magnitudes, phases) -> {});mediaPlayer.onStoppedProperty().addListener((observable, oldValue, newValue) -> {play = false;});play = true;mediaPlayer.play();}/*** 节点数据信息*/@Setter@Getter@ToString@NoArgsConstructor@AllArgsConstructorpublic class Entity {private String name;//名称private String adcode;//编码private Double centerX;//中心Xprivate Double centerY;//中心yprivate Double centroidX;//面心 xprivate Double centroidY;//面心 yprivate Integer childrenNum; //子节点数量private String level;//级别private Integer parentCode; //父编码private Integer subFeatureIndex;//子功能索引private Integer acroutes;private Polygon polygon;//节点} }

• 如有问题留言交流.

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