不具合
The OD Cost Matrix layer produces altered travel time when implementing a point barrier not intersecting with the generated Line.
| 不具合 ID 番号 | BUG-000173139 |
|---|---|
| 送信されました | December 18, 2024 |
| 最終更新日 | December 30, 2024 |
| 適用対象 | ArcGIS Pro |
| 見つかったバージョン | 3.4 |
| オペレーティング システム | Windows OS |
| オペレーティング システムのバージョン | 10.0 64 Bit |
| ステータス | Known Limit |
参考情報
This type of behavior isn't unusual when solving network analysis problems using hierarchy, which employs a heuristic algorithm to search the network graph quickly at the expense of a small amount of optimality in some cases. Most likely what is happening is the added point barrier is expanding the area of the hierarchical graph search and finding a better result with the barrier compared to without the barrier. When barriers are added, a neighborhood around the barrier where the hierarchical search can behave like a non-hierarchical search is computed, and it tries to find a better path around a barrier. It is possible for the barrier to search with this non-hierarchical neighborhood to result in a shorter path than a hierarchical search because it's examining a part of the network that would be ignored in a normal hierarchical search.対処法
For solves always consistent and guaranteed to always return the fully optimal solution, turn off hierarchy, though this makes the solves slower.
再現の手順
不具合 ID: BUG-000173139
ソフトウェア:
- ArcGIS Pro
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