四年级下数学GetData Graph Digitizer 2.22
Quick Start
Step 1 Open image file (File=>Open Image). 滕王阁序背景
Step 2 沈阳故宫旅游攻略Set the scale by tting four points Xmin, Xmax, Ymin and Ymax, and by assigning logical coordinates to the points ("Xmin value", etc.). To t the scale u Operations=>Set the scale menu or context menu (right mou button). 找回卸载的软件>24韵母表
Picture below illustrates how Xmin, Xmax, etc., can be t in the ca of sample graph. Xmin and Xmax are assigned values 20 and 80 respectively, Ymin and Ymax are assigned values 1e+14 and 1e+15. The scale is logarithmic along Y axis, this can be t in "Adjust scale" window under Operations=>Adjust scale menu.
Step 3 Digitize graph.
高花 Automatically digitize, using one of the two methods.
1) Operations=>Auto trace lines. Choo starting point by clicking left mou button, or right mou button to additionally choo direction for line tracing. The same can be done through context menu ("Auto trace lines" item).
2) Operations=>Digitize area. First you will be asked to t grid type, distance between grid lines, and other options. Then choo the area to digitize by holding left mou button and dragging the grid (in ca of rectangular grid hold down Shift to rotate the grid). You can move the grid by holding down Ctrl.
Manually digitize, using point capture mode (Operations=>Point capture mode). In this mode data points can be also moved; to move a point first lect it with right mou button, and then t it at a new location by left button. Data points can be also t by double clicking left mou button in Magnifier window, or Shift + clicking in main window or in Magnifier window. To remove points it is convenient to u erar tool (Operations=>Data points erar).
Step 4 Copy obtained data to the clipboard (File=>Copy data to buffer or Ctrl+Alt+C) or
中国人性格export to one of the following formats: TXT, XLS, XML, DXF or EPS (File=>Export data). Data can also be copied to buffer directly from Information window (Ctrl+C or Ctrl+INS).
Settings for export to the buffer and for export to the text file can be changed in the "Options" window under Settings=>Options menu.
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