Corridor issues: missing daylights

Last updated: 2026-01-06

Total video time: 03:07

Exercise files: crdr-data-c3d16.zip

Start with CthE.dwg

crdr-isu-miss-dalit-01.mp4 03:29

Missing daylight

Causes

  • No surface information in daylight ares

  • Surface targets not set in corridor region

Fixes

  • Adjust daylight slopes
  • Request expanded surface data
  • Define surface targets

To define surface targets

  1. Left click on corridor

  2. Contextual ribbon>Modify Corridor panel>Corridor Properties

  3. Corridor Properties dialog box>Parameters tab
  4. Select the region

  5. Left click in Set all targets column

  6. Select <Click here to set all>

  7. Select the surface Exist

  8. OK
  9. OK

  10. Select to Rebuild Corridor