System Options - Graphic tolerances
The Graphic tolerances parameters of Designer can be set from the System Options area: the system must be restarted for them to be set as default and be applied each time a new session is started.
Note: The parameters described below can also be set by selecting the Graphic tolerances option from the HUD Burger Menu
icon. In this case, they are immediately applied but are limited to the current session.
Access
1. Click on the File > Settings > Options icon.
2. Select the Graphics tolerancesoption from the dialog displayed and enter the required values. 
See Image.
Parameters description
Wireframe tolerances
|
Max. chordal error & Max. angular error |
Allows you to set the maximum tolerance values for displaying circles and arcs as a series of straight-line segments. The smaller the value, the larger the number of segments generated for a particular arc and the closer is its appearance to a circle.
V1 = Chordal error V2 = Angular error
|
Shading tolerances
|
Shading quality |
Allows you to define the shading quality by positioning a scrolling bar between the values Min and Max. |
|
Use mesh tolerances |
Allows you to activate the mesh tolerances. |
|
Mesh chordal tolerance |
Allows you to set the chordal tolerance the system has to use during mesh operations. |
|
Mesh angular tolerance |
Allows you to set the angular tolerance the system has to use during mesh operations. |
Note: Some changes may not be implemented until the application is restarted.
A message to this effect is displayed in the bottom right corner to alert users.
For further information...
From the System Options area, it is also possible to set the parameters of the following options: