En  |  Pyc
 

Cutting the layer

A user may cut out the desirable horizontal layer of a 3D-figure for subsequent its imaging in the screen. The cut layer is automatically expanded up to whole range of Z-axis. This provides the possibility of the thorough graphic investigation of some rather thin layer, if an ordinary image of the figure at whole does not display the delicate configuration of this layer. This mode for layer cutting is set by the Cut button. The levels for the cut layer may be defined graphically by cursor clicking of the figure points or by entering the appropriate values in the special command lines.

To perform the cutting in graphic mode a user has to:

create a 3-dimensional image by the 3d button of the main menu.
rotate the figure to provide a good visible image of the interested layer. (A Z-axis slope to the horizontal plain has not to be less then 45 grades).

place cursor into the box. The edges of the horizontal rectangle corresponding to the upper plain of the planned cut will emerge on the screen and can be moved by the cursor.

fix the desirable upper cutting level by the left mouse button. The edges of the fixed rectangle are highlighted and corresponding value of Z-function will be fixed into the Max level string of the special window (fig.7.1 left). At the same time a new current contour will be follow the cursor to provide the selecting the downer level.

Figure 7.1 Cutting the layer by user

select the downer level and click the left mouse button once more. The edges of the fixed rectangle of the downer plain are highlighted and corresponding value of Z-function will be fixed into the Min level string of the special window.

click the 3d button of the main menu. A new three-dimensional figure will be plotted on the screen (fig.7.2).

Figure 7.2 Two examples of cut layers

This new surface image may be analyzed and printed out as an ordinary initial surface. Note that data for image plotting are also, clipped and lost in accordance with a new layer. So to restore the whole initial figure one has to click the Read button and then the 3d button.

If the cutting layers are not changed correctly one has to click the Clear both levels button, after that all previous values (and highlighted rectangles in the box) will be cleared.

Then one should repeat cut once more.

To perform the figure cutting in manual mode a user has to type in the values of the desirable levels in the strings: Max level and Min level of the special cutting mode window and then to click the 3d button of the Main menu. The new image will appear on the screen (see fig. 7.2).

 
 
Your are here: