'Display size of LOD' is as same as graphic mode and around 50 pixel is the reasonable value.
The didplay color of rough shapes is the one of the head element's.
The closing line is not displayed in rough shapes.
At 'Display data size of LOD', 100% stands for the original shape.
When 'use LOD' is checked in the 'Display setting of LOD', the smaller node than the set value is displayed in rough shapes.
LOD support
LOD is short for 'level of details'.
This function improves the display efficiency by briefly displaying small
shapes.
Click 'Display setting of LOD' button in the tool bar
or select 'Display setting of LOD' of Operation in the menu bar
How to be displayed changes depending on Display size of LOD