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极摄Terrain - 3D-meta

更新时间：2025-08-07 19:05:19

接口说明

Cesium地形数据量化网格，由三个顶点属性（经度、纬度和高度）组成。所有属性都表示为0到32767范围内的16位值。瓦片西南角的经纬度为零，东北角的经纬度为32767。最小高度处的高度为零，最大高度处的高度为32767。

参考链接 GitHub - CesiumGS/quantized-mesh: Specification for streaming massive terrain datasets for 3D visualization.

调用方式

使用 API 前，需要先注册开放平台账号并完成用户认证，查看开发指南

服务地址	https://api.open.geovisearth.com/pj/ter-land/tile/ter-js/layer.json
请求方式	GET 方法
接口鉴权	服务密钥授权，您需要申请 token，将 token 作为必填参数拼接在服务地址中一起请求
调用限制	服务调用量的限制请点击这里查阅

请求参数

无

返回参数

见调用示例

调用示例

请求示例

https://api.open.geovisearth.com/pj/ter-land/tile/ter-js/layer.json?token=您的token

正常响应示例

{
    "scheme": "tms",
    "available": [
        [
            {
                "endY": 0,
                "endX": 1,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 2,
                "endX": 4,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 4,
                "endX": 8,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 8,
                "endX": 16,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 16,
                "endX": 32,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 32,
                "endX": 64,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 64,
                "endX": 128,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 128,
                "endX": 256,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 256,
                "endX": 512,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 512,
                "endX": 1024,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 1024,
                "endX": 2048,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 2048,
                "endX": 4096,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 4096,
                "endX": 8192,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 8192,
                "endX": 16384,
                "startY": 0,
                "startX": 0
            }
        ],
        [
            {
                "endY": 16384,
                "endX": 32768,
                "startY": 0,
                "startX": 0
            }
        ]
    ],
    "format": "quantized-mesh-1.0",
    "description": "",
    "version": "1.0.0",
    "tiles": [
        "{z}/{x}/{y}.terrain"
    ],
    "extensions": [
        "octvertexnormals"
    ],
    "valid_bounds": [
        -180.008239746094,
        -90.0027465820312,
        179.991760253906,
        83.9987182617188
    ],
    "tilejson": "1.0",
    "maxzoom": 14,
    "attribution": "",
    "bounds": [
        -180,
        -90,
        180,
        90
    ],
    "name": "world",
    "projection": "EPSG:4326",
    "minzoom": 0
}