Hi Brian, yeah if you want to generate an object that will only be used for further actions within the script then you can call the .calculate() method on the factory instead of doing update() and commit() like regular commands do.

The .calculate() method generates the output objects from the factory in the form of an object list, but does not add them to the geometry database so they won't be displayed like the regular output of the arc command is.

The other method of calling update() and commit() do add the generated object to the geometry database, so if you are generating arcs and you want the arc to show up as in the regular arc command then you would want to do it that way like the regular arc command does, but if you're only wanting to use the arc factory to generate an arc that will then be used as input for some next internal stage of the script then calculate() is more suited for that.

Eventually there will probably be some more simplified calls to generate some basic curves rather than setting up a factory and setting inputs and all of that, the factory mechanism is more set up to work with the UI inside of a command where the UI controls correspond to the factory inputs.

- Michael