/**
 * @File    :   AI_Construction_Land_Change
 * @Time    :   2024/06/04
 * @Author  :   GEOVIS Earth Brain
 * @Version :   0.1.0
 * @Contact :   中国(安徽)自由贸易试验区合肥市高新区望江西路900号中安创谷科技园一期A1楼36层
 * @License :   (C)Copyright 中科星图数字地球合肥有限公司 版权所有
 * @Desc    :   检测建筑用地变化前后对比情况
 * @Name    :   通用建筑用地变化检测
 */
/** */
// 获取geometry对象
var geometry = gve.Geometry.Polygon([
    [
        [
            117.10536519464627,
            31.852696363484398
        ],
        [
            117.10977658752489,
            31.852696363484398
        ],
        [
            117.10977658752489,
            31.8561969852761
        ],
        [
            117.10536519464627,
            31.8561969852761
        ],
        [
            117.10536519464627,
            31.852696363484398
        ]
    ]
])


// 指定分辨率，外扩等
//@Ignore
var option = {};

// 获取指定区域tif数据
var source2023 = "Base_Image_V2023_1";
var image1 = gve.Image.fromGeometry(geometry, source2023, option);

// 数据来源
var source2024 = "Base_Image_V2024_1";
var image2 = gve.Image.fromGeometry(geometry, source2024, option);

// 获取建筑物变化的FeatureCollection
var featureCol = gve.Services.AI.ConstructionLandChangeExtraction(image1, image2);

Map.centerObject(featureCol);
Map.addLayer(featureCol);

//使用卷帘对比建筑物变化前后的图像
Map.CompareImage(image1, image2, [featureCol]);