wirecell.util.wires.generator.Rectangle Class Reference

Inheritance diagram for wirecell.util.wires.generator.Rectangle:

Public Member Functions
def	__init__ (self, width, height, center=Point(0.0, 0.0))
def	ll (self)
def	relative (self, point)
def	inside (self, point)
def	toedge (self, point, direction)

Public Attributes
	width
	height
	center

Detailed Description

Definition at line 109 of file generator.py.

Constructor & Destructor Documentation

def wirecell.util.wires.generator.Rectangle.__init__	(		self,
			width,
			height,
			center = Point(0.0, 0.0)
	)

Definition at line 110 of file generator.py.

    def __init__(self, width, height, center = Point(0.0, 0.0)):
        self.width = width
        self.height = height
        self.center = center

Member Function Documentation

def wirecell.util.wires.generator.Rectangle.inside	(		self,
			point
	)

Definition at line 123 of file generator.py.

    def inside(self, point):
        r = self.relative(point)
        return abs(r.x) <= 0.5*self.width and abs(r.y) <= 0.5*self.height

def wirecell.util.wires.generator.Rectangle.ll

(

self

)

Definition at line 116 of file generator.py.

    def ll(self):
        return Point(self.center.x - 0.5*self.width,
                         self.center.y - 0.5*self.height);

def wirecell.util.wires.generator.Rectangle.relative	(		self,
			point
	)

Definition at line 120 of file generator.py.

    def relative(self, point):
        return point - self.center

def wirecell.util.wires.generator.Rectangle.toedge	(		self,
			point,
			direction
	)

Return a vector that takes point along direction to the nearest edge.

Definition at line 127 of file generator.py.

    def toedge(self, point, direction):
        '''
        Return a vector that takes point along direction to the nearest edge.
        '''
        p1 = self.relative(point)
        d1 = direction.unit
        
        #print "toedge: p1:%s d1:%s" % (p1, d1)

        corn = Point(0.5*self.width, 0.5*self.height)

        xdir = d1.dot((1.0, 0.0))             # cos(theta_x)
        if xdir == 0:
            tx = None
        else:
            xsign = xdir/abs(xdir)
            dx = xsign*corn.x - p1.x
            tx = dx/d1.x

        ydir = d1.dot((0.0, 1.0))             # cos(theta_y) 
        if ydir == 0:
            ty = None
        else:
            ysign = ydir/abs(ydir)
            dy = ysign*corn.y - p1.y
            ty = dy/d1.y


        if ty is None:
            return d1*tx
        if tx is None:
            return d1*ty

        if tx < ty:            # closer to vertical side
            return d1 * tx
        return d1 * ty

Member Data Documentation

wirecell.util.wires.generator.Rectangle.center

Definition at line 113 of file generator.py.

wirecell.util.wires.generator.Rectangle.height

Definition at line 112 of file generator.py.

wirecell.util.wires.generator.Rectangle.width

Definition at line 111 of file generator.py.

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

• wire-cell-build/python/wirecell/util/wires/generator.py