GstarCAD 2026 · System Variables
System Variables > S System Variables > SURFU
Function Description:
The SURFU system variable is used to set the surface density in M direction for PEDIT Smooth option and the U isolines density on surface objects.
| Type | Integer |
| Saved in | Drawing |
| Initial value | 6 |
| Range | 0 \~ 200 |
Meshes are always created with the smallest density of 2.
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Article ID: 7900
Created: October 6, 2026
Last Updated: September 26, 2026
Author: kbadmin
Online URL: https://kb.gstarcad.com.my/article/surfu-system-variable-gstarcad-2026-7900.html