Daylight Basin

C3D DaylightBasin — retention basin + berm + daylight

At a glance


Kind	Subassembly (composed into an assembly)
Domain	Road
Civil 3D equivalent	`DaylightBasin`
Geometry	14 points, 11 links, 0 shapes
Conditional geometry	8 of the points are created inside a branch — which ones appear depends on the parameters and the target surface
Targets	2 (surface / offset / elevation targets this subassembly can be linked to)

Parameters

Defaults are the metric values the palette inserts. Every parameter can be driven by an expression or a target.

Parameter	Type	Default	Meaning
`Side`	+1 right of the baseline, −1 left	Right (+1)	+1 Right / -1 Left
`ForeslopeSlope`	cross slope as a ratio (−0.02 = 2 % fall)	0.333333	Foreslope grade (rise/run)
`ForeslopeWidth`	number (metres unless the description says otherwise)	1.2	Foreslope width (m)
`BasinDepth`	number (metres unless the description says otherwise)	0	Basin depth below the foreslope toe (m)
`BasinSlope`	cross slope as a ratio (−0.02 = 2 % fall)	0.25	Basin wall grade
`BasinWidth`	number (metres unless the description says otherwise)	1.8	Basin bottom width (m)
`BermWidth`	number (metres unless the description says otherwise)	1.8	Berm width past the basin (m)
`CutSlope`	cross slope as a ratio (−0.02 = 2 % fall)	0.333333	Cut daylight grade
`FillSlope`	cross slope as a ratio (−0.02 = 2 % fall)	0.333333	Fill daylight grade
`OmitDaylightLink`	on / off	off	1 = no daylight wing
`RoundingOption`	whole number / mode selector	0	0 = sharp catch, 1 = round it
`RoundingBy`	whole number / mode selector	0	0 = by arc length, 1 = by radius
`RoundingParameter`	number (metres unless the description says otherwise)	1.5	Arc length or radius (m)

Points

Point codes are what feature lines, styles and quantity take-off match on — they are the contract this subassembly publishes.

Point	Code	Placed	From	Expression
`P1`	Hinge	placed at the attachment point (an absolute offset/elevation)	—	`0 / 0`
`P2`	—	offset + elevation delta from the reference point	P1	`SideFSW / -(FSWForeslopeSlope)`
`P3`	Ditch_In	offset + elevation delta from the reference point	P2	`Side*(BasinDepth/BasinSlope) / -BasinDepth`
`P4`	Ditch_Out	offset + elevation delta from the reference point	P3	`Side*BasinWidth / 0`
`P5`	Hinge_Cut,Hinge	offset + elevation delta from the reference point	P4	`Side*(BasinDepth/BasinSlope) / BasinDepth`
`P6`	—	offset + elevation delta from the reference point	P5	`Side*BermWidth / 0`
`DL` conditional	Daylight,Daylight_Cut	walk out at a slope until the target surface is met (daylight)	P6	`CutSlope / Side*30`
`GCut` conditional	—	horizontal delta, elevation taken from the target surface	DL	`Side*abs(DL.Offset-P6.Offset) / 0`
`RCut_p1` conditional	Daylight	placed at the attachment point (an absolute offset/elevation)	—	`DL.Offset-(DL.Offset-P6.Offset)/RCutL1RCutPA / DL.Y-(DL.Y-P6.Y)/RCutL1RCutPA`
`RCut_p2` conditional	Daylight	placed at the attachment point (an absolute offset/elevation)	—	`DL.Offset+(GCut.Offset-DL.Offset)/RCutL2RCutPB / DL.Y+(GCut.Y-DL.Y)/RCutL2RCutPB`
`DL` conditional	Daylight,Daylight_Fill	walk out at a slope until the target surface is met (daylight)	P6	`-FillSlope / Side*30`
`GFill` conditional	—	horizontal delta, elevation taken from the target surface	DL	`Side*abs(DL.Offset-P6.Offset) / 0`
`RFill_p1` conditional	Daylight	placed at the attachment point (an absolute offset/elevation)	—	`DL.Offset-(DL.Offset-P6.Offset)/RFillL1RFillPA / DL.Y-(DL.Y-P6.Y)/RFillL1RFillPA`
`RFill_p2` conditional	Daylight	placed at the attachment point (an absolute offset/elevation)	—	`DL.Offset+(GFill.Offset-DL.Offset)/RFillL2RFillPB / DL.Y+(GFill.Y-DL.Y)/RFillL2RFillPB`

Links

Link	Code	Between	Role
`L1`	Top,Slope_Link	P1 → P2	drawn
`L2`	Top,Slope_Link	P2 → P3	drawn
`L3`	Top,Datum,Ditch	P3 → P4	drawn
`L4`	Top,Slope_Link	P4 → P5	drawn
`L5`	Top	P5 → P6	drawn
`RCutSA`	Daylight	P6 → DL	drawn
`RCutRA`	Daylight	P6 → RCut_t1	drawn
`RCutPA1`	Daylight	P6 → RCut_p1	drawn
`RFillSA`	Daylight	P6 → DL	drawn
`RFillRA`	Daylight	P6 → RFill_t1	drawn
`RFillPA1`	Daylight	P6 → RFill_p1	drawn

Generated page. The tables above are read from the built-in catalogue itself (yu3d_stock_dump), so they always match the version of yucad3d you are running.