7. Autodesk - ADI 4.2 Display Drivers
47
Zoom Dynamic
Do no use ANY TurboDLD
Classic features while in the Zoom Dynamic mode of
AutoCAD. Because TurboDLD
Classic cannot determine when Zoom Dynamic was
initiated, unpredictable results occur. To accomplish the same task as Zoom Dynamic,
use the Big Picture feature of TurboDLD
Classic instead.
Switching Color Modes
When switching color modes, (from 16 to 256 or vice versa) the DLDCOLOR command
should be run in order to reconfigure your color palette for the number of colors
selected. A black cursor and disappearing crosshairs are both symptoms of a color
palette problem.
AutoCAD R12's CONFIG Command
Configuring TurboDLD
Classic in the middle of a drawing session using the CONFIG
command is a bit like exiting and re-starting AutoCAD. If you are using the static Big
Picture, re-initialize it after returning from the Configuration menu.
Sticky Cursors
Sometimes, when using the Big Picture, the digitizer cursor appears to stick to the edge
of the bird's-eye. This is normal and is the result of the digitizer puck responding to the
whole screen area while the Big Picture only occupies a small portion of the screen.
Because of the difference in resolutions between the screen and the digitizer, when the
screen cursor enters the Big Picture area, the digitizer puck has more drawing area to
cover in order to get to the same location as the screen cursor.
Using AutoCAD Commands
TurboDLD
Classic is totally transparent to users when using the normal AutoCAD
commands REDRAW, PAN, and ZOOM. AutoCAD will continue to generate REGENs.
One way around this problem is to use another of AutoCAD's built-in features: the VIEW
command. When you first load your image and the whole drawing appears on the
screen, just type
VIEW Save ALL[Enter]
, which saves the display position you see
under a view named All. Then, after you have done some detailed editing and want to
return to the big picture, type
VIEW Restore ALL[Enter]
, instead of
ZOOM
All[Enter]
or
ZOOM Extents[Enter]
. The full drawing is then restored to the
display at display list speeds, without a REGEN.
One distinction of AutoCAD is that if you zoom in too far or pan over too far, you may
inadvertently cause a REGEN. AutoCAD again provides a very simple solution: the
REGENAUTO command. Just type
REGENAUTO Off[Enter]
at the AutoCAD
command prompt, and automatic REGENs are disabled. The REGENAUTO setting is
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