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coordmapper.hpp
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/* Copyright (c) 2005-2010 Taneli Kalvas. All rights reserved.
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*
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* You can redistribute this software and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this library (file "COPYING" included in the package);
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* if not, write to the Free Software Foundation, Inc., 51 Franklin
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* Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* If you have questions about your rights to use or distribute this
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* software, please contact Berkeley Lab's Technology Transfer
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* Department at TTD@lbl.gov. Other questions, comments and bug
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* reports should be sent directly to the author via email at
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* taneli.kalvas@jyu.fi.
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*
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* NOTICE. This software was developed under partial funding from the
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* U.S. Department of Energy. As such, the U.S. Government has been
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* granted for itself and others acting on its behalf a paid-up,
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* nonexclusive, irrevocable, worldwide license in the Software to
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* reproduce, prepare derivative works, and perform publicly and
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* display publicly. Beginning five (5) years after the date
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* permission to assert copyright is obtained from the U.S. Department
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* of Energy, and subject to any subsequent five (5) year renewals,
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* the U.S. Government is granted for itself and others acting on its
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* behalf a paid-up, nonexclusive, irrevocable, worldwide license in
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* the Software to reproduce, prepare derivative works, distribute
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* copies to the public, perform publicly and display publicly, and to
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* permit others to do so.
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*/
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#ifndef COORDMAPPER_HPP
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#define COORDMAPPER_HPP 1
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#include <iostream>
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class
Coordmapper1D
{
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double
_xx, _x0;
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public
:
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Coordmapper1D
()
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: _xx(1.0), _x0(0.0) {}
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Coordmapper1D
(
double
xx,
double
x0 )
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: _xx(xx), _x0(x0) {}
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void
set_transformation
(
double
xx,
double
x0 ) {
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_xx = xx;
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_x0 = x0;
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}
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void
transform
(
double
&xout,
const
double
&xin )
const
{
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xout = _xx * xin + _x0;
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}
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void
transform
(
double
&x )
const
{
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x = _xx * x + _x0;
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}
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void
inv_transform
(
double
&xout,
const
double
&xin )
const
{
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xout = (xin-_x0) / _xx;
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}
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void
inv_transform
(
double
&x )
const
{
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x = (x-_x0) / _xx;
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}
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void
debug_print
( std::ostream &os )
const
{
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os <<
"**Coordmapper1D\n"
;
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os <<
"_xx = "
<< _xx <<
"\n"
;
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os <<
"_x0 = "
<< _x0 <<
"\n"
;
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}
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};
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class
Coordmapper
{
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Coordmapper1D
_cmx;
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Coordmapper1D
_cmy;
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public
:
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Coordmapper
() {}
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Coordmapper
(
Coordmapper1D
cmx,
Coordmapper1D
cmy )
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: _cmx(cmx), _cmy(cmy) {}
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Coordmapper
(
double
xx,
double
x0,
double
yy,
double
y0 )
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: _cmx(xx,x0), _cmy(yy,y0) {}
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void
set_transformation
(
double
xx,
double
x0,
double
yy,
double
y0 ) {
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_cmx.
set_transformation
( xx, x0 );
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_cmy.
set_transformation
( yy, y0 );
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}
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void
transform
(
double
&x,
double
&y )
const
{
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_cmx.
transform
( x );
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_cmy.
transform
( y );
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}
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void
transform
(
double
*xout,
const
double
*xin )
const
{
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_cmx.
transform
( xout[0], xin[0] );
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_cmy.
transform
( xout[1], xin[1] );
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}
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void
inv_transform
(
double
&x,
double
&y )
const
{
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_cmx.
inv_transform
( x );
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_cmy.
inv_transform
( y );
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}
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void
inv_transform
(
double
*xout,
const
double
*xin )
const
{
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_cmx.
inv_transform
( xout[0], xin[0] );
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_cmy.
inv_transform
( xout[1], xin[1] );
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}
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void
debug_print
( std::ostream &os )
const
{
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os <<
"**Coordmapper x:\n"
;
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_cmx.
debug_print
( os );
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os <<
"**Coordmapper y:\n"
;
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_cmy.
debug_print
( os );
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}
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};
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#endif
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Reference manual for Ion Beam Simulator 1.0.5b
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