The Acquisition window

This window gives to the user the possibility to digitize discontinuity data from a scanned picture or a sketch (Figure 8 below).

To open an image in the acquisition window, select File => Open scan image (change the image type if necessary : .bmp, .jpg, .gif, .wmf or .emf).

 

Figure 7 : Toolbar buttons used to draw on the acquisition window and Acquisition menu

 

The following elements can be drawn on the background image, using the toolbar buttons (see Figure 7 above) :

Do not for forget to enter the correct scale value in the scale text box (see Figure 8 below).

 



Figure 8 : Two acquisition window exemples showing the digitized elements (red = contour window,
blue = discontinuities, green line = scanline, green rectangle = rectangle window)

 

Drawn elements can be cleared using the corresponding items of the Acquisition menu. Once the desired elements are drawn, use the same menu to estimate the mean spacing and persistance of the drawn discontinuity set or to export data to a spacing datasheet.

The digitized data can be saved using the Save toolbar button or the File => Save or File => Save as menus.