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MiscKit1.7.1
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MiscSphericalCoord.m
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/*========================= MiscSphericalCoord.m ============================*/
/* MiscSphericalCoord class contains and supports values representing locations
in a Spherical coordinate system. Angles are stored internally as radians
at all times, but may be stored or retrieved as degrees.
DMA Release 0.8, Copyright @1993 by Genesis Project, Ltd. All Rights
Reserved. For further information on terms and conditions see:
Documentation/GISKit/Agreements-Legal-README
HISTORY
25-Feb-93 Dale Amon at GPL
Created.
*/
#import <misckit/miscgiskit.h>
@implementation MiscSphericalCoord
/*===========================================================================*/
/* Coordinate handling methods */
/*===========================================================================*/
/* set Spherical Coord value from degrees */
-setCoordPhiDegrees: (double) phi
thetaDegrees: (double) theta
rho: (double) rho
{ [self setCoord: [MiscCoord degreesToRadians: phi]
: [MiscCoord degreesToRadians: theta]
: rho];
return self;
}
/*---------------------------------------------------------------------------*/
/* Set Spherical Coord value from radians */
-setCoordPhiRadians: (double) phi
thetaRadians: (double) theta
rho: (double) rho
{ [self setCoord: phi : theta : rho];
return self;
}
/*---------------------------------------------------------------------------*/
/* Get Spherical Coord value in radians */
-coordPhiDegrees: (double *) phi
thetaDegrees: (double *) theta
rho: (double *) rho
{ [self coord: phi : theta : rho];
*phi = [MiscCoord degreesToRadians: *phi];
*theta = [MiscCoord degreesToRadians: *theta];
return self;
}
/*---------------------------------------------------------------------------*/
/* Get Spherical Coord value in radians */
-coordPhiRadians: (double *) phi
thetaRadians: (double *) theta
rho: (double *) rho
{ [self coord: phi : theta : rho];
return self;
}
/*---------------------------------------------------------------------------*/
/* spherical coordinates are: phi,theta and rho */
-(double) phiRadians {return [MiscCoord radiansToDegrees: [self coord1]];}
-(double) phiDegrees {return [self coord1];}
-(double) thetaRadians {return [MiscCoord radiansToDegrees: [self coord2]];}
-(double) thetaDegrees {return [self coord2];}
-(double) rho {return [self coord3];}
@end