Added some documentation, updated READMEa

Classes/NDRotator.h

@@ -98,36 +98,49 @@ enum NDThumbTint
 /*!
 	@property minimumDomain
 	@abstract Contains the minimum angle of the receiver.
+	@discussion 
+
+	The default value of this property is 0.0.
  */
 @property(assign)	CGFloat						minimumDomain;
 /*!
 	@property maximumDomain
 	@abstract Contains the maximum angle of the receiver.
- */
+	@discussion 
+
+	The default value of this property is 2.0π.
+*/
 @property(assign)	CGFloat						maximumDomain;
 /*!
 	@property linearSensitivity
-	@abstract Contains the value used to determin how vertical movement is mapped to angular movement of the control when the style is NDRotatorStyleLinear. 
+	@abstract Contains the value used to determin how vertical movement is mapped to angular movement of the control when the style is NDRotatorStyleLinear.
+	@discussion The angle is propertional to y-value * linearSensitivity.
+
+	The default value of this property is 0.05.
  */
 @property(assign)	CGFloat						linearSensitivity;
 /*!
 	@property angle
-	@abstract Contains the angel of the receiver in radians.
+	@abstract Contains the angle of the receiver in radians.
+	@discussion This value will be constrained by the values (minimumDomain,maximumDomain) and so can represent a range of values greater than one turn.
  */
 @property(assign,nonatomic)	CGFloat				angle;
 /*!
 	@property radius
 	@abstract Contains the radial value of the receiver where 0.0 puts the thumb at the center and 1.0 puts the thumb at margin.
+	@discussion The values can be greater than 1.0, to reflect user movements outside of the control.
  */
 @property(assign,nonatomic)	CGFloat				radius;
 /*!
 	@property cartesianPoint
 	@abstract Contains the thumb point where (0.0,0.0) is the center, (1.0,0.0) is at 3 oclock and (0.0,-1.0) is at 12 oclock etc.
- */
+	@discussion The point can go beyound the bounds (-1.0,-1.0) and (1.0,1.0) for radius values greated the 1.0.
+  */
 @property(assign)	CGPoint						cartesianPoint;
 /*!
 	@property constrainedCartesianPoint
 	@abstract Contains the thumb point where (0.0,0.0) is the center, (1.0,0.0) is at 3 oclock and (0.0,-1.0) is at 12 oclock etc. Constrained to a raius of 1.0.
+	@discussion Ths value is similar to cartesianPoint give a radius constrained to (0.0,1.0).
  */
 @property(readonly)	CGPoint						constrainedCartesianPoint;
 /*!
@@ -154,11 +167,14 @@ enum NDThumbTint
 /*!
 	@property thumbTint
 	@abstract Contains the value used to set the color of the thumb.
+	@discussion
+
+	The default value of the property is NDThumbTintGrey.
  */
 @property(nonatomic)		enum NDThumbTint	thumbTint;
 
 /*!
-	@methodgroup methods and properties to override to change, these methods are not yet finalized.
+	@methodgroup methods and properties to override to change the apperance of a NDRotator, these methods are not yet finalized.
  */
 
 @property(readonly) CGRect		controlRect;

Classes/NDRotator.m

@@ -14,7 +14,7 @@
 								kDefaultLinearSensitivity = 0.05,
 								kDefaultMinimumValue = 0.0,
 								kDefaultMaximumValue = 1.0,
-								kDefaultMinimumDomain = 0,
+								kDefaultMinimumDomain = 0.0*M_PI,
 								kDefaultMaximumDomain = 2.0*M_PI;
 static enum NDThumbTint			kDefaultThumbTint = NDThumbTintLime;
 static const BOOL				kDefaultContinuousValue = YES,
@@ -176,15 +176,15 @@ static CGFloat meanFloat( const CGFloat * f, NSUInteger c )
 @interface NDRotator ()
 {
 @private
-	CGFloat			touchDownAngel,
+	CGFloat			touchDownAngle,
 					touchDownYLocation;
 	UIImage			* cachedDiscImage,
 					* cachedHilightedDiscImage,
 					* cachedThumbImage,
 					* cachedHilightedThumbImage;
 }
 @property(assign) CGPoint		location;
-@property(assign) CGFloat		touchDownAngel,
+@property(assign) CGFloat		touchDownAngle,
 								touchDownYLocation;
 @property(readonly) UIImage		* cachedDiscImage,
 								* cachedHilightedDiscImage,
@@ -420,8 +420,8 @@ - (void)encodeWithCoder:(NSCoder *)anEncoder
 		[anEncoder encodeDouble:self.minimumDomain forKey:kMinimumDomainCodingKey];
 		[anEncoder encodeDouble:self.maximumDomain forKey:kMaximumDomainCodingKey];
 		[anEncoder encodeObject:stringForInteger(self.thumbTint, kThumbTintStr, sizeof(kThumbTintStr)/sizeof(*kThumbTintStr)) forKey:kThumbTintCodingKey];
-		[anEncoder encodeBool:self.continuous forKey:kDefaultContinuousValue];
-		[anEncoder encodeBool:self.wrapAround forKey:kDefaultWrapAroundValue];
+		[anEncoder encodeBool:self.continuous forKey:kContinuousCodingKey];
+		[anEncoder encodeBool:self.wrapAround forKey:kWrapAroundCodingKey];
 	}
 	else
 	{
@@ -447,7 +447,7 @@ - (BOOL)beginTrackingWithTouch:(UITouch *)aTouch withEvent:(UIEvent *)anEvent
 {
 	CGPoint			thePoint = [aTouch locationInView:self];
 	self.touchDownYLocation = thePoint.y;
-	self.touchDownAngel = self.angle;
+	self.touchDownAngle = self.angle;
 	self.location = thePoint;
 	if( self.isContinuous )
 		[self sendActionsForControlEvents:UIControlEventValueChanged];
@@ -651,7 +651,7 @@ - (BOOL)drawThumbInRect:(CGRect)aRect hilighted:(BOOL)aHilighted
 #pragma mark -
 #pragma mark Private
 
-@synthesize 	touchDownAngel,
+@synthesize 	touchDownAngle,
 				touchDownYLocation;
 
 - (CGPoint)location
@@ -670,7 +670,7 @@ - (void)setLocation:(CGPoint)aPoint
 	}
 	else
 	{
-		self.angle = self.touchDownAngel - (aPoint.y - self.touchDownYLocation) * self.linearSensitivity;
+		self.angle = self.touchDownAngle - (aPoint.y - self.touchDownYLocation) * self.linearSensitivity;
 		self.radius = 1.0;
 	}
 }

README

@@ -1 +1,5 @@
-This is an initial release and still requires documentation. I also want to make it easier for people to override the methods for drawing the control elements so that developers can use it to create rotary controls of there own.
+This is an initial release and still requires documentation. I also want to make it easier for people to override the methods for drawing the control elements so that developers can use it to create rotary controls of there own.
+
+Know Issues
+- Currently the minimumDomain and maximumDomain are not respected when the style is NDRotatorStyleLinear and wrapAround is YES.
+- No unit tests.

Standard/StandardViewController.m

@@ -187,7 +187,7 @@ - (IBAction)changeRotatorAction:(NDRotator *)aSender
 	[self.xTextView setNeedsDisplay];
 	self.yTextView.text = [NSString stringWithFormat:@"%.2f", self.rotatorView.cartesianPoint.y];
 	[self.yTextView setNeedsDisplay];
-	self.valueTextView.text = [NSString stringWithFormat:@"%.1f", self.rotatorView.value];
+	self.valueTextView.text = [NSString stringWithFormat:@"%.2f", self.rotatorView.value];
 	[self.valueTextView setNeedsDisplay];
 }
 #pragma mark -
@@ -228,7 +228,7 @@ - (void)updateOutputValueFields
 	[self.xTextView setNeedsDisplay];
 	self.yTextView.text = [NSString stringWithFormat:@"%.2f", self.rotatorView.cartesianPoint.y];
 	[self.yTextView setNeedsDisplay];
-	self.valueTextView.text = [NSString stringWithFormat:@"%.1f", self.rotatorView.value];
+	self.valueTextView.text = [NSString stringWithFormat:@"%.2f", self.rotatorView.value];
 	[self.valueTextView setNeedsDisplay];
 	switch( self.rotatorView.style )
 	{