Position

paramval

Parameter value of position on surface

Double

0.0 - 1.0

0.0 - 1.0

Subsurface Index

srfind

Index of surface mesh subsurface

Integer

0 - 100

0 - 100

Surface Curve Index

srfcrvind

Surface curve Index

Integer

0 - 100

0 - 100

Surface Curve Type

srfcrvtype

Surface curve type

Integer

0 - 4

0 - 4

Boundary

boundsrf

Boundary for surface

0	Min U Boundary (Red)
1	Max V Boundary
2	Max U Boundary
3	Min V Boundary (Green)

Integer

Invert

invert

Invert direction of curve

Bool

Shift

shift

Shift start position of curve

Double

0.0 - 1.0

0.0 - 1.0

ShowInvertShift

showinvertshift

Internal use: control showing hide and shift in PPG

Bool