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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: Plane.cpp,v 1.4 2004/12/31 16:38:58 delpinux Exp $
// This class provides a toolkit to manipulate Planes. It inherits
// from the Shape class.
#include <Plane.hpp>
#include <Cylinder.hpp>
#include <Cone.hpp>
#include <Cube.hpp>
//! copies a the Plane \a C.
const Plane& Plane::operator = (const Plane& P)
{
__normal = P.__normal;
__distance = P.__distance;
__unitNormal = P.__unitNormal;
__origine = P.__origine;
return *this;
}
//! Default constructor.
Plane::Plane()
: Shape(Shape::plane)
{
;
}
Plane::Plane(const Cube& c,
const size_t& faceNumber)
: Shape(Shape::plane)
{
switch(faceNumber) {
case 0: {
__unitNormal = __normal = TinyVector<3, real_t>(-1,0,0);
__distance = -c.lowerCorner(0);
__origine = __distance*__unitNormal;
break;
}
case 1: {
__unitNormal = __normal = TinyVector<3, real_t>(0,-1,0);
__distance = -c.lowerCorner(1);
__origine = __distance*__unitNormal;
break;
}
case 2: {
__unitNormal = __normal = TinyVector<3, real_t>(0,0,-1);
__distance = -c.lowerCorner(2);
__origine = __distance*__unitNormal;
break;
}
case 3: {
__unitNormal = __normal = TinyVector<3, real_t>(1,0,0);
__distance = c.higherCorner(0);
__origine = __distance*__unitNormal;
break;
}
case 4: {
__unitNormal = __normal = TinyVector<3, real_t>(0,1,0);
__distance = c.higherCorner(1);
__origine = __distance*__unitNormal;
break;
}
case 5: {
__unitNormal = __normal = TinyVector<3, real_t>(0,0,1);
__distance = c.higherCorner(2);
__origine = __distance*__unitNormal;
break;
}
default: {
throw ErrorHandler(__FILE__,__LINE__,
"not implemented",
ErrorHandler::unexpected);
}
}
this->setTransformationsList(c.transformationsList());
}
Plane::Plane(const Cylinder& c,
const size_t& faceNumber)
: Shape(Shape::plane)
{
switch(faceNumber) {
case 0: {
TinyVector<3, real_t> x = c.__c1 - c.__center;
__unitNormal = __normal = (1./Norm(x)) * x;
__origine = c.__c1;
__distance = __unitNormal*__origine;
break;
}
case 1: {
TinyVector<3, real_t> x = c.__c2 - c.__center;
__unitNormal = __normal = (1./Norm(x)) * x;
__origine = c.__c2;
__distance = __unitNormal*__origine;
break;
}
default: {
throw ErrorHandler(__FILE__,__LINE__,
"not implemented",
ErrorHandler::unexpected);
}
}
this->setTransformationsList(c.transformationsList());
}
Plane::Plane(const Cone& c,
const size_t& faceNumber)
: Shape(Shape::plane)
{
switch(faceNumber) {
case 0: {
TinyVector<3, real_t> x = c.__center1 - c.__center2;
__unitNormal = __normal = (1./Norm(x)) * x;
__origine = c.__center1;
__distance = __unitNormal*__origine;
break;
}
case 1: {
TinyVector<3, real_t> x = c.__center2 - c.__center1;
__unitNormal = __normal = (1./Norm(x)) * x;
__origine = c.__center2;
__distance = __unitNormal*__origine;
break;
}
default: {
throw ErrorHandler(__FILE__,__LINE__,
"not implemented",
ErrorHandler::unexpected);
}
}
this->setTransformationsList(c.transformationsList());
}
/*!
Builds a Plane based on vertices \a a and \a b.
The edges of the Plane are parallel to the axis.
*/
Plane::Plane(const Vertex& normal,
const real_t& distance)
: Shape(plane),
__normal(normal),
__distance(distance),
__unitNormal(1./Norm(__normal)*__normal),
__origine(distance*__unitNormal)
{
;
}
//! Copy constructor.
Plane::Plane(const Plane& P)
: Shape(P),
__normal(P.__normal),
__distance(P.__distance),
__unitNormal(P.__unitNormal),
__origine(P.__origine)
{
;
}
//! Prints the Plane informations using the stream \a s.
std::ostream& Plane::put(std::ostream& s) const
{
s << "plane {\n" << __normal << ',' << __distance << "\n}\n";
return s;
}
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