arcgis for android（三）显示三维场景

缺乏、安全感 2022-09-09 06:06 623阅读 0赞

1、上一节讲了**arcgis for android 入门与提高（二）显示二维地图**[arcgis for android 入门与提高（二）显示二维地图\_郝大大的博客-CSDN博客][arcgis for android _-CSDN]，接下来看看如何显示三维地图。

2、基于Android Studio，我们打开**AndroidManifest.xml**，添加**网络权限和三维控件支持**：

<uses-permission android:name="android.permission.INTERNET" />
    <uses-feature android:glEsVersion="0x00030000" android:required="true" />

3、在**activity\_main.xml**新建**SceneView**

<com.esri.arcgisruntime.mapping.view.SceneView
        android:id="@+id/sceneView"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

4、导入包

import com.esri.arcgisruntime.mapping.ArcGISScene;
    import com.esri.arcgisruntime.mapping.ArcGISTiledElevationSource;
    import com.esri.arcgisruntime.mapping.Basemap;
    import com.esri.arcgisruntime.mapping.view.Camera;
    import com.esri.arcgisruntime.mapping.view.SceneView;

5、核心代码：

ArcGISScene scene = new ArcGISScene();
    scene.setBasemap(Basemap.createImagery());
    //scene.setBasemap(Basemap.createTopographic());
    
    mSceneView = findViewById(R.id.sceneView);
    mSceneView.setScene(scene);
    
    ArcGISTiledElevationSource elevationSource = new ArcGISTiledElevationSource("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer");
    scene.getBaseSurface().getElevationSources().add(elevationSource);
    
    Camera camera = new Camera(33.2, 112.1, 300000, 0.0, 10.0, 0.0);
    mSceneView.setViewpointCamera(camera);

@Override
    protected void onPause() {
      super.onPause();
      // pause SceneView
      mSceneView.pause();
    }
    
    @Override
    protected void onResume() {
      super.onResume();
      // resume SceneView
      mSceneView.resume();
    }
    
    @Override protected void onDestroy() {
      super.onDestroy();
      // dispose SceneView
      mSceneView.dispose();
    }

6、完整代码：

<?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.example.android3dscene">
    
        <uses-permission android:name="android.permission.INTERNET" />
        <uses-feature android:glEsVersion="0x00030000" android:required="true" />
        
        <application
            android:allowBackup="true"
            android:icon="@mipmap/ic_launcher"
            android:label="@string/app_name"
            android:roundIcon="@mipmap/ic_launcher_round"
            android:supportsRtl="true"
            android:theme="@style/AppTheme">
            <activity android:name=".MainActivity">
                <intent-filter>
                    <action android:name="android.intent.action.MAIN" />
    
                    <category android:name="android.intent.category.LAUNCHER" />
                </intent-filter>
            </activity>
        </application>
    
    </manifest>

<?xml version="1.0" encoding="utf-8"?>
    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity">
    
        <com.esri.arcgisruntime.mapping.view.SceneView
            android:id="@+id/sceneView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"/>
    
    </LinearLayout>

package com.example.android3dscene;
    
    import androidx.appcompat.app.AppCompatActivity;
    
    import android.os.Bundle;
    
    import com.esri.arcgisruntime.mapping.ArcGISScene;
    import com.esri.arcgisruntime.mapping.ArcGISTiledElevationSource;
    import com.esri.arcgisruntime.mapping.Basemap;
    import com.esri.arcgisruntime.mapping.view.Camera;
    import com.esri.arcgisruntime.mapping.view.SceneView;
    
    public class MainActivity extends AppCompatActivity {
    
        private SceneView mSceneView;
    
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_main);
    
            ArcGISScene scene = new ArcGISScene();
            scene.setBasemap(Basemap.createImagery());
            //scene.setBasemap(Basemap.createTopographic());
    
            mSceneView = findViewById(R.id.sceneView);
            mSceneView.setScene(scene);
    
            ArcGISTiledElevationSource elevationSource = new ArcGISTiledElevationSource("https://elevation3d.arcgis.com/arcgis/rest/services/WorldElevation3D/Terrain3D/ImageServer");
            scene.getBaseSurface().getElevationSources().add(elevationSource);
    
            Camera camera = new Camera(33.2, 112.1, 300000, 0.0, 10.0, 0.0);
            mSceneView.setViewpointCamera(camera);
        }
    
        @Override
        protected void onPause() {
            super.onPause();
            mSceneView.pause();
        }
    
        @Override
        protected void onResume() {
            super.onResume();
            mSceneView.resume();
        }
    
        @Override
        protected void onDestroy() {
            super.onDestroy();
            mSceneView.dispose();
        }
    
    }

7、效果

![watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5LmL5LmO6ICF5Lmf5ZOm_size_11_color_FFFFFF_t_70_g_se_x_16][]

8、下一节讲解 **arcgis for android 入门与提高（四）去掉属性标记和水印**[arcgis for android 入门与提高（四）去掉属性标记和水印\_郝大大的博客-CSDN博客][arcgis for android _-CSDN 1]

欢迎订阅专栏！

[arcgis for android _-CSDN]: https://blog.csdn.net/HB_Programmer/article/details/119985752
[watermark_type_ZHJvaWRzYW5zZmFsbGJhY2s_shadow_50_text_Q1NETiBA5LmL5LmO6ICF5Lmf5ZOm_size_11_color_FFFFFF_t_70_g_se_x_16]: /images/20220829/8d20af5a712640f1b8b1d04c117e4bf1.png
[arcgis for android _-CSDN 1]: https://blog.csdn.net/HB_Programmer/article/details/107224094