至File > Open Samples開啟Leaf
到Edit>Selection>Specify設定大小
再到image>Crop
Title: embryos.jpgWidth: 680 pixelsHeight: 520 pixelsCoordinate origin: 0,0Bits per pixel: 32 (RGB)No ThresholdUncalibratedPath: C:\Documents and Settings\Administrator\桌面\embryos.jpgNo Selection