[lsst-dm-stack-users] Problem visualizing astrometry matches; getX() fails

[Michael Wood-Vasey]

Hi Paul,

Thank you for the debug configuration.  The astrometry is definitely crazy, with dx and dy in the trillions (yes, really: 1e12).

It's actually "lsst.meas.astrom.astrom" as the name is the module of the filename.

But I'm not sure the options below are active in 'astrom' (release/Winter2014). I get a plot of  

(y, dx)   (y, dy)
(x, dx)   (x, dy)

[which, fwiw, would be easier to read if the axes lined up, e.g.:

(x, dx)   (y, dx)
(x, dy)   (y, dy)
]

but I don't get a display of the image and the matches.

 - Michael

On Jun 23, 2014, at 11:10 , Paul Price <price at astro.princeton.edu> wrote:

> I think you would be better served using the debugging features in lsst.meas.astrom.determineWcs.  Put in your debug.py:
> 
> import sys
> try:
>     import lsstDebug
>     print "Importing debug settings..."
>     def DebugInfo(name):
>         di = lsstDebug.getInfo(name)        # N.b. lsstDebug.Info(name) would call us recursively
>         if name in (
>             "lsst.meas.astrom.determineWcs",
>             ):
>             di.display = 3
>             di.showLinear = True
>             di.verbose = True
>             di.frame1 = 1
>             di.frame2 = 2
>             di.frame3 = 3
>         return di
>     lsstDebug.Info = DebugInfo
> except ImportError:
>     print >> sys.stderr, "Unable to import lsstDebug;  not setting display intelligently"
>