QtiPlot  0.9.8.2
Public Types | Public Member Functions | Private Member Functions | Private Attributes | List of all members
Interpolation Class Reference

#include <Interpolation.h>

Inheritance diagram for Interpolation:
Filter

Public Types

enum  InterpolationMethod { Linear, Cubic, Akima }
 

Public Member Functions

 Interpolation (ApplicationWindow *parent, QwtPlotCurve *c, int m=0)
 
 Interpolation (ApplicationWindow *parent, QwtPlotCurve *c, double start, double end, int m=0)
 
 Interpolation (ApplicationWindow *parent, Graph *g, const QString &curveTitle, int m=0)
 
 Interpolation (ApplicationWindow *parent, Graph *g, const QString &curveTitle, double start, double end, int m=0)
 
 Interpolation (ApplicationWindow *parent, Table *t, const QString &xCol, const QString &yCol, int start=0, int end=-1, int m=0)
 
int method ()
 
void setMethod (int m)
 
- Public Member Functions inherited from Filter
int dataSize ()
 Returns the size of the input data set. More...
 
virtual void enableGraphicsDisplay (bool on=true, Graph *g=0)
 
bool error ()
 
 Filter (ApplicationWindow *parent, Table *t=0, const QString &name=QString())
 
 Filter (ApplicationWindow *parent, Graph *g=0, const QString &name=QString())
 
 Filter (ApplicationWindow *parent, Matrix *m, const QString &name=QString())
 
 Filter (ApplicationWindow *parent, QwtPlotCurve *c)
 
virtual QString legendInfo ()
 Output string added to the plot as a new legend. More...
 
GraphoutputGraph ()
 Returns a pointer to the graph where the result curve should be displayed. More...
 
QwtPlotCurve * resultCurve ()
 Returns a pointer to the plot curve created to display the results. More...
 
TableresultTable ()
 Returns a pointer to the table created to display the results. More...
 
virtual bool run ()
 Actually does the job. Should be reimplemented in derived classes. More...
 
void setColor (int colorId)
 Obsolete: sets the color of the output fit curve. More...
 
void setColor (const QColor &color)
 Sets the color of the output fit curve. More...
 
void setColor (const QString &colorName)
 Sets the color of the output fit curve. Provided for convenience. To be used in scripts only! More...
 
virtual void setDataCurve (QwtPlotCurve *curve, double start, double end)
 
bool setDataFromCurve (QwtPlotCurve *c)
 
bool setDataFromCurve (QwtPlotCurve *c, double from, double to)
 
bool setDataFromCurve (const QString &curveTitle, Graph *g=0)
 
bool setDataFromCurve (const QString &curveTitle, double from, double to, Graph *g=0)
 
virtual bool setDataFromTable (Table *, const QString &, const QString &, int=1, int=-1, bool=false)
 
void setError (bool on=true)
 
void setInterval (double from, double to)
 Changes the data range if the source curve was already assigned. Provided for convenience. More...
 
void setMaximumIterations (int iter)
 Sets the maximum number of iterations to be performed during an iterative session. More...
 
void setOutputPoints (int points)
 Sets the number of points in the output curve. More...
 
void setOutputPrecision (int digits)
 Sets the precision used for the output. More...
 
void setSortData (bool on=true)
 
void setTolerance (double eps)
 Sets the tolerance used by the GSL routines. More...
 
void setUpdateOutputGraph (bool update=true)
 
virtual void showLegend ()
 Adds a new legend to the plot. Calls virtual legendInfo() More...
 
double * x ()
 Returns the x values of the input data set. More...
 
double * y ()
 Returns the y values of the input data set. More...
 
 ~Filter ()
 

Private Member Functions

void calculateOutputData (double *x, double *y)
 Calculates the data for the output curve and store it in the X an Y vectors. More...
 
void init (int m)
 
int sortedCurveData (QwtPlotCurve *c, double start, double end, double **x, double **y)
 Same as curveData, but sorts the points by their x value. More...
 

Private Attributes

int d_method
 the interpolation method More...
 

Additional Inherited Members

- Protected Member Functions inherited from Filter
QwtPlotCurve * addResultCurve (double *x, double *y)
 Adds the result curve to the target output plot window. Creates a hidden table and frees the input data from memory. More...
 
MultiLayercreateOutputGraph ()
 
virtual int curveData (QwtPlotCurve *c, double start, double end, double **x, double **y)
 
int curveIndex (const QString &curveTitle, Graph *g)
 Performs checks and returns the index of the source data curve if OK, -1 otherwise. More...
 
int curveRange (QwtPlotCurve *c, double start, double end, int *iStart, int *iEnd)
 
virtual void freeMemory ()
 Frees the memory allocated for the X and Y data sets. More...
 
void init ()
 
virtual QString logInfo ()
 Output string added to the log pannel of the application. More...
 
void memoryErrorMessage ()
 
virtual void output ()
 Performs the data analysis and takes care of the output. More...
 
- Protected Attributes inherited from Filter
QwtPlotCurve * d_curve
 The curve to be analysed. More...
 
QColor d_curveColor
 Color index of the result curve. More...
 
QString d_explanation
 String explaining the operation in the comment of the result table and in the project explorer. More...
 
double d_from
 Data interval. More...
 
Graphd_graph
 The source graph with the curve to be analyzed. More...
 
bool d_graphics_display
 Specifies if the filter should display a result curve. More...
 
bool d_init_err
 Error flag telling if something went wrong during the initialization phase. More...
 
Matrixd_matrix
 
int d_max_iterations
 Maximum number of iterations per fit. More...
 
int d_min_points
 Minimum number of data points necessary to perform the operation. More...
 
int d_n
 Size of the data arrays. More...
 
Graphd_output_graph
 The graph where the result curve should be displayed. More...
 
int d_points
 Number of result points to de calculated and displayed in the output curve. More...
 
int d_prec
 Precision (number of significant digits) used for the results output. More...
 
QwtPlotCurve * d_result_curve
 The resulting curve. More...
 
Tabled_result_table
 The table displaying the results of the filtering operation (not alvays valid!) More...
 
bool d_sort_data
 Specifies if the filter needs sorted data as input. More...
 
Tabled_table
 A table source of data. More...
 
double d_to
 
double d_tolerance
 GSL Tolerance, if ever needed... More...
 
bool d_update_output_graph
 Specifies if the filter should update the output graph. More...
 
double * d_x
 x data set to be analysed More...
 
double * d_y
 y data set to be analysed More...
 
QString d_y_col_name
 

Member Enumeration Documentation

§ InterpolationMethod

Enumerator
Linear 
Cubic 
Akima 

Constructor & Destructor Documentation

§ Interpolation() [1/5]

Interpolation::Interpolation ( ApplicationWindow parent,
QwtPlotCurve *  c,
int  m = 0 
)

§ Interpolation() [2/5]

Interpolation::Interpolation ( ApplicationWindow parent,
QwtPlotCurve *  c,
double  start,
double  end,
int  m = 0 
)

§ Interpolation() [3/5]

Interpolation::Interpolation ( ApplicationWindow parent,
Graph g,
const QString &  curveTitle,
int  m = 0 
)

§ Interpolation() [4/5]

Interpolation::Interpolation ( ApplicationWindow parent,
Graph g,
const QString &  curveTitle,
double  start,
double  end,
int  m = 0 
)

§ Interpolation() [5/5]

Interpolation::Interpolation ( ApplicationWindow parent,
Table t,
const QString &  xCol,
const QString &  yCol,
int  start = 0,
int  end = -1,
int  m = 0 
)

Member Function Documentation

§ calculateOutputData()

void Interpolation::calculateOutputData ( double *  X,
double *  Y 
)
privatevirtual

Calculates the data for the output curve and store it in the X an Y vectors.

Reimplemented from Filter.

References Filter::d_from, d_method, Filter::d_n, Filter::d_points, Filter::d_to, Filter::d_x, Filter::d_y, and method().

Referenced by method().

§ init()

void Interpolation::init ( int  m)
private

§ method()

int Interpolation::method ( )
inline

§ setMethod()

void Interpolation::setMethod ( int  m)

§ sortedCurveData()

int Interpolation::sortedCurveData ( QwtPlotCurve *  c,
double  start,
double  end,
double **  x,
double **  y 
)
privatevirtual

Same as curveData, but sorts the points by their x value.

Reimplemented from Filter.

References Filter::memoryErrorMessage().

Referenced by method().

Member Data Documentation

§ d_method

int Interpolation::d_method
private

the interpolation method

Referenced by calculateOutputData(), init(), method(), and setMethod().


The documentation for this class was generated from the following files: