[lsst-dm-stack-users] Pipeline and sensor routines

[Kian-Tat Lim]

Chris,

> - In trying to understand the software I read the two-year old
> "Scientists guide to the LSST applications software".  In that
> document all of the pipeline tasks are described through using a
> clipboard and running with "runStage" etc.  I still see that code in
> lsst::pex::harness.  Is that code used in a different context, an
> alternative way of handling things, or is it now deprecated?

	Now deprecated, although I still have an idea that it may be
handy as a wrapper over tasks so I don't want to get rid of it yet.

> - Before I write them myself I wanted to check that something like
> this doesn't already exist: I would like routines to determine, based
> on the pixel I am in etc, where I am physically located on a sensor
> chip (in mm or something in the reference frame of the sensor) along
> with constants describing the dimensions of the chip and possibly
> routines determining offsets from physical characteristics (like an
> edge).  Does anything like this already exist for the different camera
> descriptions?

	This sounds to me like afw.cameraGeom.

-- 
Kian-Tat Lim, LSST Data Management, ktl at slac.stanford.edu