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/*
* dataplot.h -- ePiX::P data plotting and operations
*
* This file is part of ePiX, a preprocessor for creating high-quality
* line figures in LaTeX
*
* Version 1.0.15
* Last Change: October 10, 2006
*/
/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006
* Andrew D. Hwang <rot 13 nujnat at zngupf dot ubylpebff dot rqh>
* Department of Mathematics and Computer Science
* College of the Holy Cross
* Worcester, MA, 01610-2395, USA
*/
/*
* ePiX is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* ePiX is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public License
* along with ePiX; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef EPIX_DATAPLOT
#define EPIX_DATAPLOT
#include <vector>
#include "globals.h"
#include "functions.h"
namespace ePiX {
typedef std::vector<std::vector<double> > FILEDATA;
// read columns of file into FILEDATA
void read(const char*, FILEDATA&);
// plot specified columns
void plot(const FILEDATA& data_columns, epix_mark_type TYPE,
unsigned int col1=1, unsigned int col2=2, unsigned int col3=0,
P f(double, double, double) = xyz);
void plot(const char* filename, epix_mark_type TYPE, int columns,
unsigned int col1=1, unsigned int col2=2, unsigned int col3=0,
P f(double, double, double) = xyz);
void data_plot(const char* filename, epix_mark_type TYPE);
// functions for data analysis
double avg(FILEDATA data, unsigned int col1);
double var(FILEDATA data, unsigned int col1);
double covar(FILEDATA data, unsigned int col1, unsigned int col2);
void regression(FILEDATA data, unsigned int col1=1, unsigned int col2=2);
// Histogram plot of designated column, in the specified interval with
// equal-length data subdivisions. By default the total area is unity;
// v_scale adjusts height.
void histogram(const FILEDATA& data_columns, unsigned int column,
int subdivs=(int)x_size,
double low=x_min, double high=x_max, double v_scale=1);
void histogram(const char* filename, int columns, unsigned int column,
int subdivs=(int)x_size,
double low=x_min, double high=x_max, double v_scale=1);
} // end of namespace
#endif /* EPIX_DATAPLOT */
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