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Дата изменения: Fri Feb 4 20:39:00 2005
Дата индексирования: Mon Oct 1 21:58:22 2012
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Reconstruction of 3D Images

Figure 3.10: 3D Image.

The program allows to build three dimensional images of the surface. Select the Command Build 3D View to do it. Different operations may be performed with the reconstructed 3D image.

• The scales on all coordinate axis may be shown or removed. This is controlled by the tick against words Show legend in the Menu View.
• It is possible to show or to hide marks, curves, isolines and sections that was drawn on the surface. To show these elements items Marks, Curves, Isoline and Sections should be checked in the View/ Decorations menu item. If Labels item checked, than captions to visible elements will be shown. When new elements will be drawn on the image for which 3D image is bilt, it does not affect 3D image automaticly. So new elements wont be shown there. To refresh the 3D image in this case click it with the left mouse button and hold it for a second, and release.

• The surface may be rotated round vertical axis. To fulfill this press the Left Button of the Mouse and leaving it pressed move the Mouse in Left and Right directions.
• The scale in vertical direction may be changed. Press the Left Button of the Mouse and not releasing it move the Mouse up and down.
• The image may be put closer or far. It can be done if the Mouse is moved up and down while its Left Button is pressed and keyboard button Shift is also pressed.
• The surface may be rotated round horizontal axis, lying in the monitor plane. To do it move the Mouse up and down when its Left Button is pressed and the keyboard button Ctrl is also pressed.
• If the word Highlighted is selected in the View Menu, then the surface will be illuminated. It is possible to adjust the light position, and this can drastically change the impression upon the image. Movement of the Mouse with pressed its Left Button and keyboard buttons Shift and Ctrl will lead to the movement of the light source.
• It is possible not only to adjust the light source position, but also to change the optical properties of the surface. This option is described in attachment D).