Processors
GeoModelXML uses processors to append specific information that should be associated with an XML element into a vector that gets passed the various steps. The standard list of processors applied (in GmxUtil) is:
Standard processors¶
- addbranch: define a volume hierarchy to actually be built
- logvol/logvolref: create a
logvol(or use one that previously been defined) - assembly/assemblyref: create an
assembly(or use one that has already been defined) - transform: create a geometrical transformation (rotation, translation, etc)
- multicopy: create multiple instances of a given
logvolorassemblyaccording to a given transformation rule to be apllied for each instance - replicaX/replicaY/replicaZ/replicaRPhi/replicaXYarrays: similar to
multicopy- create multuple instances of a givenlogvolorassemblywith a defined periodic structure - index: create a set of indices for addressing a volume
More information on the meanings can be found in the sections on building a geometry and defining readout.
Supported shapes¶
The following shapes are supported by GeoModeXML. The names reflect the Geant4 shapes on which they are based (and may eventually create).
- simplepolygonbrep
- twistedtrap
- ellipticaltube
- torus
- box
- cons
- generictrap
- para
- pcon
- pgon
- trap
- trd
- tube
- tubs
In addition, the following boolean operations are defined, and can be applied to any of the above shapes, to create new solid volume possibilities.
- intersection
- union
- subtraction
Note that boolean operations can be very CPU intensive to navigate.
To-do: add the arguments for each type?