This is the abstract base class to describe features of a gesture.
There exists 3 concrete subclasses (CREmptyFeature, CRDotFeature and CRStrokeFeature), but two of them (CREmptyFeature and CRDotFeature) are trivial.

Features are created by the recognizer (CRRecognizer) and are afterwads compared to other features in a dictionary and/or added to a dictionary.
The comparing algorithms, that are the heart of genie recognition engine, are part of this class (resp. its subclasses). (The comparing algorithms of CRDotFeature and CREmptyFeature are quite trivial, but the ones of CRStrokeFeature are pretty sophisticated).

	comparing
	acuteAngleDistance:maxNormDist: angleDistance:maxNormDist: shapeDistance:maxNormDist: sizeDistance:maxNormDist: startEndDistance:maxNormDist: strokeDistance:maxNormDist: symmetricStrokeDistance:maxNormDist: timeDistance:maxNormDist:

	private
	textString

	private comparing
	sameClassAcuteAngleDistance:maxNormDist: sameClassAngleDistance:maxNormDist: sameClassShapeDistance:maxNormDist: sameClassStartEndDistance:maxNormDist: sameClassStrokeDistance:maxNormDist: sameClassSymmetricStrokeDistance:maxNormDist:

	testing
	hasSomeCapturedPoints isCacheFull isDot isEmpty isStroke

	accessing	top
	asMorphSize:border:relative:properties:showPoints:orientation: Return a morph representing this feature
	capturedPointsFormSize:border:relative:properties: Return a form containing the graphics with all the captured points
	capturedPointsMorphSize:border:relative:properties: Return a Morph representing the graphics of all the captured points
	drawCapturedPointsOn:size:topLeft:relative:properties: Draw the captured points on the given form. Refinied in subclasses
	drawFeatureOn:size:topLeft:relative:properties: Draw the feature on the given form. Refinied in subclasses
	featureFormSize:border:relative:properties: Return a form with the graphical representation of the feature
	featureMorphSize:border:relative:properties: Return a morph holding the graphical representation of the feature
	fillCache
	hotspot What's the hotspot of the feature? Possibilities: #start, #end, #top, #bottom, #left, #right, #topLeft, #bottomRight, #topRight, #bottomLeft
	hotspot: What's the hotspot of the feature? Possibilities: #start, #end, #top, #bottom, #left, #right, #topLeft, #bottomRight, #topRight, #bottomLeft
	maxStrokeDistance
	reduceCapturedPoints
	relativeSize Return the size relative to the maximum feature size in percent
	releaseCache
	removeCapturedPoints
	size Absolute size of the feaure
	strokeSize Number of stroke segments
	textMorph A morph describing certain parts of the feature in a textual way
	time The time the user used to capture the feature
	time: The time the user used to capture the feature

	comparing	top
	acuteAngleDistance:maxNormDist: This distance measures the difference between two features regading acute angles
	angleDistance:maxNormDist: This distance measures the difference between two features regading angles
	shapeDistance:maxNormDist: This distance measures the difference between two features regading the shape of the bounding boxes
	sizeDistance:maxNormDist: This distance measures the difference between two features regading the sizes.
	startEndDistance:maxNormDist: This distance measures the difference between two features regading the relative start- and endpoint.
	strokeDistance:maxNormDist: This distance measures the difference between two features regading the whole stroke.
	symmetricStrokeDistance:maxNormDist: Similar to strokeDistance, but in this case, the distance is symmetric
	timeDistance:maxNormDist: This distance measures the difference between two features regading the time, to user spend while drawing the gesture.

	private	top
	textString A string describing certain parts of the feature

	private comparing	top
	sameClassAcuteAngleDistance:maxNormDist:
	sameClassAngleDistance:maxNormDist:
	sameClassShapeDistance:maxNormDist:
	sameClassStartEndDistance:maxNormDist:
	sameClassStrokeDistance:maxNormDist:
	sameClassSymmetricStrokeDistance:maxNormDist:

	testing	top
	hasSomeCapturedPoints
	isCacheFull
	isDot
	isEmpty
	isStroke

	constants	top
	maxNormDistance
	maxSize