[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-07-26 UTC。"],[[["`union()` merges all geometries within a FeatureCollection into a single geometry, returning a new FeatureCollection containing one feature with an ID of 'union_result'."],["The resulting FeatureCollection from `union()` will only have the merged geometry and an ID, discarding any original properties from the input features."],["An optional `maxError` argument can be used to specify the maximum allowed error for reprojection during the merge process."]]],[]]