Interface FunctionPlotter.FuncAxis
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- Enclosing class:
- FunctionPlotter
public static interface FunctionPlotter.FuncAxis
Defines the geometric role of the dependent and independent variables for a function.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description java.lang.String
getAxisName()
Returns the name of the geometry type for this object.double[]
getXValues(Surface surface)
Returns the values of the independent variable at which the function must be evaluated for a given plot surface.boolean
xfToData(Surface surface, double x, double f, double[] dataPos)
Converts the result of a function evaluation to a position in the data space of the plot.
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Method Detail
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getAxisName
java.lang.String getAxisName()
Returns the name of the geometry type for this object. Typically this will be the name of the axis along which the independent variable runs, if there is one.- Returns:
- function geometry name
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getXValues
double[] getXValues(Surface surface)
Returns the values of the independent variable at which the function must be evaluated for a given plot surface. The drawn line will consist of a line drawn through the function evaluations at these values of the independent variable. The result should usually include some values a bit off the edge of the visible part of the surface if applicable so that the line goes right to the edge of the clipped region.- Parameters:
surface
- plot surface on which function will be drawn- Returns:
- array of independent variable values
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xfToData
boolean xfToData(Surface surface, double x, double f, double[] dataPos)
Converts the result of a function evaluation to a position in the data space of the plot.- Parameters:
surface
- plotting surfacex
- independent variablef
- dependent variabledataPos
- nDataDim-element array to receive data position corresponding tox
,f(x)
- Returns:
- true iff a valid data position resulted
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