Public Member Functions
	__init__ (self, ellipse, scale=1.0, **kwds)

	__getattr__ (self, name)

	update (self, show=True, rescale=True)

Public Attributes
	scale = float(scale)

	patch

Detailed Description

An interface for drawing the ellipse using matplotlib.

This is typically initiated by calling Ellipse.plot(), which
returns an instance of this class.

Definition at line 42 of file __init__.py.

Constructor & Destructor Documentation

◆ init()

lsst.afw.geom.ellipses.EllipseMatplotlibInterface.__init__	(		self,
			ellipse,
			scale = 1.0,
		**	kwds )

Definition at line 49 of file __init__.py.

    def __init__(self, ellipse, scale=1.0, **kwds):
        import matplotlib.patches
        import weakref
        import numpy as np
        self.__ellipse = weakref.proxy(ellipse)
        self.scale = float(scale)
        core = Axes(self.__ellipse.getCore())
        core.scale(2.0 * scale)
        self.patch = matplotlib.patches.Ellipse(
            (self.__ellipse.getCenter().getX(), self.__ellipse.getCenter().getY()),
            core.getA(), core.getB(), core.getTheta() * 180.0 / np.pi,
            **kwds
        )
 

Member Function Documentation

◆ getattr()

lsst.afw.geom.ellipses.EllipseMatplotlibInterface.__getattr__	(		self,
			name )

Definition at line 63 of file __init__.py.

    def __getattr__(self, name):
        return getattr(self.patch, name)
 

◆ update()

lsst.afw.geom.ellipses.EllipseMatplotlibInterface.update	(	self,
		show = True,
		rescale = True )

Update the matplotlib representation to the current ellipse parameters.

Definition at line 66 of file __init__.py.

    def update(self, show=True, rescale=True):
        """Update the matplotlib representation to the current ellipse parameters.
        """
        import matplotlib.patches
        import numpy as np
        core = _agl.Axes(self.__ellipse.getCore())
        core.scale(2.0 * scale)
        new_patch = matplotlib.patches.Ellipse(
            (self.__ellipse.getCenter().getX(), self.__ellipse.getCenter().getY()),
            core.a, core.b, core.theta * 180.0 / np.pi
        )
        new_patch.update_from(self.patch)
        axes = self.patch.get_axes()
        if axes is not None:
            self.patch.remove()
            axes.add_patch(new_patch)
        self.patch = new_patch
        if axes is not None:
            if rescale:
                axes.autoscale_view()
            if show:
                axes.figure.canvas.draw()
 
 

Member Data Documentation

◆ patch

lsst.afw.geom.ellipses.EllipseMatplotlibInterface.patch

Initial value:

=  matplotlib.patches.Ellipse(
            (self.__ellipse.getCenter().getX(), self.__ellipse.getCenter().getY()),
            core.getA(), core.getB(), core.getTheta() * 180.0 / np.pi,
            **kwds
        )

Definition at line 57 of file __init__.py.

◆ scale

lsst.afw.geom.ellipses.EllipseMatplotlibInterface.scale = float(scale)

Definition at line 54 of file __init__.py.

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

/j/snowflake/release/lsstsw/stack/lsst-scipipe-10.0.0/Linux64/afw/gb037a4e798+f3cbcd26c0/python/lsst/afw/geom/ellipses/__init__.py

Public Member Functions

Public Attributes