樹葉光合作用面積測量

至File > Open Samples開啟Leaf
到Edit>Selection>Specify設定大小
再到image>Crop
Title: leaf.jpgWidth: 360 pixelsHeight: 400 pixelsCoordinate origin: 0,0Bits per pixel: 32 (RGB)No ThresholdUncalibratedPath: C:\Documents and Settings\Administrator\桌面\leaf.jpgNo Selection