ENH: cylinderAnnulusToCell: new cellSource for cellSets
[OpenFOAM-1.7.x.git] / src / meshTools / coordinateSystems / sphericalCS.C
blob77af33dfad57b29a29fd876f03593ed0539bc5b3
1 /*---------------------------------------------------------------------------*\
2   =========                 |
3   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
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5     \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
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7 -------------------------------------------------------------------------------
8 License
9     This file is part of OpenFOAM.
11     OpenFOAM is free software: you can redistribute it and/or modify it
12     under the terms of the GNU General Public License as published by
13     the Free Software Foundation, either version 3 of the License, or
14     (at your option) any later version.
16     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
17     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
19     for more details.
21     You should have received a copy of the GNU General Public License
22     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
24 \*---------------------------------------------------------------------------*/
26 #include "sphericalCS.H"
28 #include "one.H"
29 #include "Switch.H"
30 #include "mathematicalConstants.H"
31 #include "addToRunTimeSelectionTable.H"
33 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
35 namespace Foam
37     defineTypeNameAndDebug(sphericalCS, 0);
38     addToRunTimeSelectionTable(coordinateSystem, sphericalCS, dictionary);
39     addToRunTimeSelectionTable(coordinateSystem, sphericalCS, origRotation);
43 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
45 Foam::sphericalCS::sphericalCS(const bool inDegrees)
47     coordinateSystem(),
48     inDegrees_(inDegrees)
52 Foam::sphericalCS::sphericalCS
54     const coordinateSystem& cs,
55     const bool inDegrees
58     coordinateSystem(cs),
59     inDegrees_(inDegrees)
63 Foam::sphericalCS::sphericalCS
65     const word& name,
66     const coordinateSystem& cs,
67     const bool inDegrees
70     coordinateSystem(name, cs),
71     inDegrees_(inDegrees)
75 Foam::sphericalCS::sphericalCS
77     const word& name,
78     const point& origin,
79     const coordinateRotation& cr,
80     const bool inDegrees
83     coordinateSystem(name, origin, cr),
84     inDegrees_(inDegrees)
88 Foam::sphericalCS::sphericalCS
90     const word& name,
91     const point& origin,
92     const vector& axis,
93     const vector& dirn,
94     const bool inDegrees
97     coordinateSystem(name, origin, axis, dirn),
98     inDegrees_(inDegrees)
102 Foam::sphericalCS::sphericalCS
104     const word& name,
105     const dictionary& dict
108     coordinateSystem(name, dict),
109     inDegrees_(dict.lookupOrDefault<Switch>("degrees", true))
113 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
115 bool Foam::sphericalCS::inDegrees() const
117     return inDegrees_;
121 bool& Foam::sphericalCS::inDegrees()
123     return inDegrees_;
127 Foam::vector Foam::sphericalCS::localToGlobal
129     const vector& local,
130     bool translate
131 ) const
133     scalar r = local.x();
134     const scalar theta
135     (
136         local.y()
137       * ( inDegrees_ ? mathematicalConstant::pi/180.0 : 1.0 )
138     );
139     const scalar phi
140     (
141         local.z()
142       * ( inDegrees_ ? mathematicalConstant::pi/180.0 : 1.0 )
143     );
145     return coordinateSystem::localToGlobal
146     (
147         vector(r*cos(theta)*sin(phi), r*sin(theta)*sin(phi), r*cos(phi)),
148         translate
149     );
153 Foam::tmp<Foam::vectorField> Foam::sphericalCS::localToGlobal
155     const vectorField& local,
156     bool translate
157 ) const
159     const scalarField r = local.component(vector::X);
160     const scalarField theta
161     (
162         local.component(vector::Y)
163       * ( inDegrees_ ? mathematicalConstant::pi/180.0 : 1.0 )
164     );
165     const scalarField phi
166     (
167         local.component(vector::Z)
168       * ( inDegrees_ ? mathematicalConstant::pi/180.0 : 1.0 )
169     );
171     vectorField lc(local.size());
172     lc.replace(vector::X, r*cos(theta)*sin(phi));
173     lc.replace(vector::Y, r*sin(theta)*sin(phi));
174     lc.replace(vector::Z, r*cos(phi));
176     return coordinateSystem::localToGlobal(lc, translate);
180 Foam::vector Foam::sphericalCS::globalToLocal
182     const vector& global,
183     bool translate
184 ) const
186     const vector lc = coordinateSystem::globalToLocal(global, translate);
187     const scalar r = mag(lc);
189     return vector
190     (
191         r,
192         atan2
193         (
194             lc.y(), lc.x()
195         ) * ( inDegrees_ ? 180.0/mathematicalConstant::pi : 1.0 ),
196         acos
197         (
198             lc.z()/(r + SMALL)
199         ) * ( inDegrees_ ? 180.0/mathematicalConstant::pi : 1.0 )
200     );
204 Foam::tmp<Foam::vectorField> Foam::sphericalCS::globalToLocal
206     const vectorField& global,
207     bool translate
208 ) const
210     const vectorField lc = coordinateSystem::globalToLocal(global, translate);
211     const scalarField r = mag(lc);
213     tmp<vectorField> tresult(new vectorField(lc.size()));
214     vectorField& result = tresult();
216     result.replace
217     (
218         vector::X, r
220     );
222     result.replace
223     (
224         vector::Y,
225         atan2
226         (
227             lc.component(vector::Y),
228             lc.component(vector::X)
229         ) * ( inDegrees_ ? 180.0/mathematicalConstant::pi : 1.0 )
230     );
232     result.replace
233     (
234         vector::Z,
235         acos
236         (
237             lc.component(vector::Z)/(r + SMALL)
238         ) * ( inDegrees_ ? 180.0/mathematicalConstant::pi : 1.0 )
239     );
241     return tresult;
245 // ************************************************************************* //