HEIDENHAIN iTNC 530 (60642x-04) ISO programming - Manual (Page 254)

254 Programming: Data Transfer from DXF Files or Plain-language Contours
7.1 Pr
ocessing DXF files (sof
tw
ar
e option)
Quick selection of hole positions in an area defined by the mouse
 Select the mode for choosing a machining position.
The TNC hides the layers shown in the left window,
and the right window becomes active for position
selection
 Press the shift key on the keyboard and drag the left
mouse button to define an area in which the TNC is to
adopt all included circle centers as hole positions: the
TNC opens a window in which you can filter the holes
by size
 Configure the filter settings (see "Filter settings" on
page 258) and click the Use button to confirm: The
TNC loads the selected positions into the left window
(displays a point symbol)
 If necessary you can also deselect elements that you
already selected, by dragging an area open again, but
this time while pressing the CTRL key