Teigha’s graphics system allows graphical objects to be cached to increase the performance. However there are conditions when cached data quality becomes too rough (for example, during zooming), so Teigha provides several methods of invalidation (regeneration) for this data. This video illustrates the different invalidation (regeneration) methods in Teigha.
Teigha Kernel: OdGsModel invalidation methods
May 26, 2017