Voltage clamp for BranchedCell objects. If set, the voltage (in mV) is taken for the profile in dwf. Otherwise, it is fixed at hold. It is applied through a resistance R-ser MOhm, which may be 0.
|     field |     type   |     contents / default value |     |
| R_ser | double | 10.0 | variable: R_ser type: double |
| hold | double | 0.0 | variable: hold type: double |
| perfect | boolean | false | variable: perfect type: boolean |
| Profile | list selection; boolean; one only | SteppedProfile |