lsst.meas.extensions.psfex.psfexStarSelector.EventHandler Class Reference

Public Member Functions
	__init__ (self, axes, xs, ys, x, y, frames=[0])
	__call__ (self, ev)

Public Attributes
	axes
	xs
	ys
	x
	y
	frames
	cid

Detailed Description

A class to handle key strokes with matplotlib displays

Definition at line 106 of file psfexStarSelector.py.

Constructor & Destructor Documentation

__init__()

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.__init__	(		self,
			axes,
			xs,
			ys,
			x,
			y,
			frames = [0] )

Definition at line 110 of file psfexStarSelector.py.

    def __init__(self, axes, xs, ys, x, y, frames=[0]):
        self.axes = axes
        self.xs = xs
        self.ys = ys
        self.x = x
        self.y = y
        self.frames = frames
 
        self.cid = self.axes.figure.canvas.mpl_connect('key_press_event', self)
 

Member Function Documentation

__call__()

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.__call__	(		self,
			ev )

Definition at line 120 of file psfexStarSelector.py.

    def __call__(self, ev):
        if ev.inaxes != self.axes:
            return
 
        if ev.key and ev.key in ("p"):
            dist = np.hypot(self.xs - ev.xdata, self.ys - ev.ydata)
            dist[np.where(np.isnan(dist))] = 1e30
 
            which = np.where(dist == min(dist))
 
            x = self.x[which][0]
            y = self.y[which][0]
            for frame in self.frames:
                disp = afwDisplay.Display(frame=frame)
                disp.pan(x, y)
            disp.flush()
        else:
            pass
 
 

Member Data Documentation

axes

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.axes

Definition at line 111 of file psfexStarSelector.py.

cid

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.cid

Definition at line 118 of file psfexStarSelector.py.

frames

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.frames

Definition at line 116 of file psfexStarSelector.py.

x

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.x

Definition at line 114 of file psfexStarSelector.py.

xs

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.xs

Definition at line 112 of file psfexStarSelector.py.

y

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.y

Definition at line 115 of file psfexStarSelector.py.

ys

lsst.meas.extensions.psfex.psfexStarSelector.EventHandler.ys

Definition at line 113 of file psfexStarSelector.py.

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-8.0.0/Linux64/meas_extensions_psfex/g2305ad1205+c0501b3732/python/lsst/meas/extensions/psfex/psfexStarSelector.py