ATF_shadowedTowers.h File Reference

Determines which TEM towers are shadowed by which ACD tiles. More...

Functions
unsigned short int	ATF_shadowedTowersFind (const ATF_shadowedTowers *shadowed, unsigned int acd_x, unsigned int acd_y, unsigned int acd_z)
	Calculates which towers are shadowed.
Variables
const ATF_shadowedTowers	ATF_ShadowedTowers2x2
	Controls which tiles shadow which towers.

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Detailed Description

Determines which TEM towers are shadowed by which ACD tiles.

Author:

JJRussell - russell@slac.stanford.edu

   CVS $Id: ATF_shadowedTowers.h,v 1.3 2011/11/14 17:56:35 russell Exp $

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Function Documentation

unsigned short int ATF_shadowedTowersFind	(	const ATF_shadowedTowers *	shadowed,
		unsigned int	acd_x,
		unsigned int	acd_y,
		unsigned int	acd_z
	)

Calculates which towers are shadowed.

Returns:

Right justify 16-bit mask (MSB = Tower 0) of the shadowed towers

Parameters:

	shadowed	The tower shadowing structure
	acd_x	The bit mask of struck tiles in the X+/X- side face.
	acd_y	The bit mask of struck tiles in the Y+/Y- side face.
	acd_z	The bit mask of struck tiles in the Z top face.

References ATF__shadowedTowersByTop(), ATF__shadowedTowersByXM(), ATF__shadowedTowersByXP(), ATF__shadowedTowersByYM(), and ATF__shadowedTowersByYP().

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Variable Documentation

ATF_shadowedTowers ATF_ShadowedTowers2x2

Controls which tiles shadow which towers.

This is a readonly data structure. It consists of 3 arrays indexed by tile number. The first array controls the top tiles and the other two array controls the X & Y side tiles. Symmetry allows one to use the X/Y maps for both the ends. The maps are packed in MSB order, ie tower 0 is the MSB bit. This is consistent with the FFSL routine.