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#include "AdunKernel/AdunEllipsoidBox.h"
@implementation AdEllipsoidBox
- (void) _initialiseDependants
{
id obj1, obj2, obj3;
ellipsoidVolume = 4*M_PI*axisALength*axisBLength*axisCLength/3;
obj1 = [NSArray arrayWithObjects:
[NSNumber numberWithDouble: axisALength],
[NSNumber numberWithDouble: -axisALength],
nil];
obj2 = [NSArray arrayWithObjects:
[NSNumber numberWithDouble: axisBLength],
[NSNumber numberWithDouble: -axisBLength],
nil];
obj3 = [NSArray arrayWithObjects:
[NSNumber numberWithDouble: axisCLength],
[NSNumber numberWithDouble: -axisCLength],
nil];
[ellipsoidExtremes release];
ellipsoidExtremes = [NSArray arrayWithObjects: obj1, obj2, obj3, nil];
[ellipsoidExtremes retain];
NSDebugLLog(@"AdEllipsoidBox", @"Ellispoid Volume %lf. Elipsoid Extremes %@.",
ellipsoidVolume, ellipsoidExtremes);
}
- (id) init
{
return [self initWithALength: 10.0
bLength: 10.0
cLength: 10.0];
}
- (id) initWithALength: (double) l1
bLength: (double) l2
cLength: (double) l3;
{
return [self initWithCavityCentre: nil
aLength: l1
bLength: l2
cLength: l3];
}
- (id) initWithCavityCentre: (NSArray*) array
aLength: (double) l1
bLength: (double) l2
cLength: (double) l3;
{
if((self = [super init]))
{
if(l1 <= 0)
[NSException raise: NSInvalidArgumentException
format: @"A axis length must be greater than 0"];
else if(l2 <= 0)
[NSException raise: NSInvalidArgumentException
format: @"B axis length must be greater than 0"];
else if(l3 <= 0)
[NSException raise: NSInvalidArgumentException
format: @"C axis length must be greater than 0"];
axisALength = l1;
axisBLength = l2;
axisCLength = l3;
ellipsoidExtremes = nil;
if(array == nil)
{
centre = [NSMutableArray arrayWithObjects:
[NSNumber numberWithDouble: 0.0],
[NSNumber numberWithDouble: 0.0],
[NSNumber numberWithDouble: 0.0],
nil];
}
else
centre = array;
[centre retain];
ellipsoidCentre = Ad3DVectorFromNSArray(centre);
[self _initialiseDependants];
}
return self;
}
- (void) dealloc
{
[centre release];
[ellipsoidExtremes release];
[super dealloc];
}
- (double) cavityVolume
{
return ellipsoidVolume;
}
- (BOOL) isPointInCavity: (double*) point
{
int j;
double check;
Vector3D separation;
//return yes if its in the ellipsoid otherwise no
for(j=0; j<3; j++)
separation.vector[j] = point[j] - ellipsoidCentre.vector[j];
check = pow(separation.vector[0], 2)/(axisALength*axisALength);
check += pow(separation.vector[1], 2)/(axisBLength*axisBLength);
check += pow(separation.vector[2], 2)/(axisCLength*axisCLength);
if(check <= 1)
return YES;
return NO;
}
- (Vector3D*) cavityCentre
{
return &ellipsoidCentre;
}
- (void) setCavityCentre: (NSArray*) array
{
Vector3D newCentre;
newCentre = Ad3DVectorFromNSArray(array);
[centre release];
centre = [array retain];
ellipsoidCentre = newCentre;
}
- (NSArray*) cavityExtremes
{
return ellipsoidExtremes;
}
- (double) aLength
{
return axisALength;
}
- (void) setALength: (double) value
{
if(value <= 0)
[NSException raise: NSInvalidArgumentException
format: @"Ellipsoid axis must be greater than 0"];
axisALength = value;
[self _initialiseDependants];
}
- (double) bLength
{
return axisBLength;
}
- (void) setBLength: (double) value
{
if(value <= 0)
[NSException raise: NSInvalidArgumentException
format: @"Ellipsoid axis must be greater than 0"];
axisBLength = value;
[self _initialiseDependants];
}
- (double) cLength
{
return axisCLength;
}
- (void) setCLength: (double) value
{
if(value <= 0)
[NSException raise: NSInvalidArgumentException
format: @"Ellipsoid axis must be greater than 0"];
axisCLength = value;
[self _initialiseDependants];
}
- (id) initWithCoder: (NSCoder*) decoder
{
if([decoder allowsKeyedCoding])
{
centre = [decoder decodeObjectForKey: @"Centre"];
axisALength = [decoder decodeDoubleForKey: @"AxisALength"];
axisBLength = [decoder decodeDoubleForKey: @"AxisBLength"];
axisCLength = [decoder decodeDoubleForKey: @"AxisCLength"];
[centre retain];
ellipsoidCentre = Ad3DVectorFromNSArray(centre);
[self _initialiseDependants];
}
else
[NSException raise: NSInvalidArgumentException
format: @"%@ does not support non keyed coding", [self classDescription]];
return self;
}
- (void) encodeWithCoder: (NSCoder*) encoder
{
if([encoder allowsKeyedCoding])
{
NSDebugLLog(@"Encode", @"Encoding %@", [self description]);
[encoder encodeDouble: axisALength forKey: @"AxisALength"];
[encoder encodeDouble: axisBLength forKey: @"AxisBLength"];
[encoder encodeDouble: axisCLength forKey: @"AxisCLength"];
[encoder encodeObject: centre forKey: @"Centre"];
}
else
[NSException raise: NSInvalidArgumentException
format: @"%@ class does not support non keyed coding", [self class]];
}
@end
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