Add 3d tiles layer

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Add a layer to visualize 3D tiles data that conforms to the OGC 3D Tiles specification.

Add 3D Tiles Layer

Use case

In addition to offering a 3D view, a 3D tiles layer can assist in performing visual analysis, such as line of sight analysis. A line of sight analysis can be used to assess whether a view is obstructed between an observer and a target.

How to use the sample

When loaded, the sample will display a scene with an Ogc3DTilesLayer. Pan around and zoom in to observe the scene of the Ogc3DTilesLayer. Notice how the layer's level of detail changes as you zoom in and out from the layer.

How it works

  1. Create a Scene.
  2. Create an Ogc3DTilesLayer with the URL to a 3D tiles layer service.
  3. Add the layer to the scene's operational layers.

Relevant API

  • Camera
  • Ogc3DTilesLayer
  • SceneView

About the data

A layer to visualize 3D tiles data that conforms to the OGC 3D Tiles specification. As of 200.4, it supports analyses like viewshed and line of sight, but does not support other operations like individual feature identification.

The 3D Tiles Open Geospatial Consortium (OGC) specification defines a spatial data structure and a set of tile formats designed for streaming and rendering 3D geospatial content. A 3D Tiles data set, known as a tileset, defines one or more tile formats organized into a hierarchical spatial data structure. For more information, see the OGC 3D Tiles specification.

Additional information

This sample uses the GeoViewCompose Toolkit module to be able to implement a Composable SceneView.

Tags

3d tiles, geoviewcompose, layers, OGC, OGC API, scene, service

Sample Code

MainActivity.ktMainActivity.ktSceneViewModel.ktMainScreen.kt
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/* Copyright 2024 Esri
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.esri.arcgismaps.sample.add3dtileslayer

import android.os.Bundle
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.material3.MaterialTheme
import androidx.compose.material3.Surface
import androidx.compose.runtime.Composable
import com.arcgismaps.ApiKey
import com.arcgismaps.ArcGISEnvironment
import com.esri.arcgismaps.sample.add3dtileslayer.screens.MainScreen
import com.esri.arcgismaps.sample.sampleslib.theme.SampleAppTheme

class MainActivity : ComponentActivity() {

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        // authentication with an API key or named user is
        // required to access basemaps and other location services
        ArcGISEnvironment.apiKey = ApiKey.create(BuildConfig.API_KEY)

        setContent {
            SampleAppTheme {
                Add3DTilesLayerApp()
            }
        }
    }

    @Composable
    private fun Add3DTilesLayerApp() {
        Surface(
            color = MaterialTheme.colorScheme.background
        ) {
            MainScreen(
                sampleName = getString(R.string.app_name)
            )
        }
    }
}

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