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: http://www.spm.genebee.msu.ru/manual/en/node119.html
Дата изменения: Fri Feb 4 20:39:00 2005 Дата индексирования: Mon Oct 1 22:00:14 2012 Кодировка: |
Menu Command Operations/ Image Operation/ Add, Subtract and Advanced allow to add or subtract images. Using one of the command is followed by the appearance of the Window for the Selection of the Image (fig. 3.12(a)), which will be added to or subtracted from the current surface image. Press ``Select'' after you have selected an image. If the Commands Add or Subtract was in process, the image subtraction or addition will be performed at once. It is regarded that left lower corners of the images coincides, the new height of each point in the resultant image will be equal to half of the sum or to half of the difference of the points height of the initial images.
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Please pay attention, the values along Z axis may be in different units for different images. Besides height units other units (current, voltage, friction etc) may be used. In most cases there is no sense to add such values.