2011

Table Of Contents
A single viewport is added to each new layout created1
LAYOUTREGENCTL
Quick Reference
See also:
Set Up the Drawing Area
IntegerType:
RegistrySaved in:
2Initial value:
Specifies how the display list is updated in the Model tab and layout tabs.
For each tab, the display list is updated either by regenerating the drawing
when you switch to that tab or by saving the display list to memory and
regenerating only the modified objects when you switch to that tab. Changing
the LAYOUTREGENCTL setting can improve performance.
The drawing is regenerated each time you switch tabs.0
For the Model tab and the last layout made current, the
display list is saved to memory and regenerations are
1
suppressed when you switch between the two tabs. For
all other layouts, regenerations still occur when you switch
to those tabs.
The drawing is regenerated the first time you switch to
each tab. For the remainder of the drawing session, the
2
display list is saved to memory and regenerations are
suppressed when you switch to those tabs.
The performance gain achieved by changing the LAYOUTREGENCTL setting
is dependent on several factors, including the drawing size and type, the
objects contained in the drawing, the amount of available memory, and the
effect of other open drawings or applications. When LAYOUTREGENCTL is
set to 1 or 2, the amount of additional memory used is the size of the Model
tab's display list multiplied by the number of viewports in each layout for
which the display list is saved.
1388 | Chapter 37 L System Variables