By default, Image Arithmetic Tool processes the entire image. But if this item is checked, Image Arithmetic Tool processes only inside the search window of the command tools which use the result image. According to the number of found, processing only inside the search window may reduce the processing time of Image Arithmetic Tool.
請注意,僅在下列狀況下,影像過濾器工具在搜尋視窗內處理。在其他狀況下,即使項目已勾選,影像過濾器工具會處理整個影像。