Table 1.
Comparison of three types of regular virtual surfaces and their attributes.
| Virtual surface type | Virtual surface attribute | Schematic diagram |
|---|---|---|
| Planar surface | Center: the center coordinates of the surface | s |
| OrientationType: geometric direction value | ||
| HalfHeight: the half height of the surface | ||
| HalfWidth: the half width of the surface | ||
| Spherical surface | Center: the center coordinates of the spherical surface |  |
| Radius | ||
| Cylindrical surface | Center: the center coordinates of the cylindrical surface |  |
| Radius | ||
| OrientationType: geometric direction value | ||
| GeometryType: the virtual particle generation location | ||
| StartPhi: the starting degree of the cylinder | ||
| DeltaPhi: the span of the cylinder | ||
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