[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-07-26 (世界標準時間)。"],[[["Computes a new feature with a geometry that combines the areas of two input features."],["The resulting feature inherits properties from the first input feature (`left`)."],["Optionally, you can specify the projection for the operation and an error margin for reprojection."],["The second input feature (`right`) only contributes its geometry to the final result, its properties are discarded."]]],["The `union` function combines the geometries of two features into a single feature. It takes two features, `left` and `right`, as input. The resulting feature's properties are derived from the `left` feature, while only the geometry is used from the `right` feature. Optional parameters include `maxError`, specifying reprojection error tolerance, and `proj`, defining the projection system; otherwise, a spherical system is used with meter units.\n"]]
