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/* *
* This file is part of the ESO X-shooter Pipeline *
* Copyright (C) 2006 European Southern Observatory *
* *
* This library 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. *
* *
* This program 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 this program; if not, write to the Free Software *
* Foundation, 51 Franklin St, Fifth Floor, Boston, MA 02111-1307 USA *
* */
/*
* $Author: amodigli $
* $Date: 2013-04-26 10:44:44 $
* $Revision: 1.15 $
* $Name: not supported by cvs2svn $
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*---------------------------------------------------------------------------*/
/**
* @defgroup xsh_data_grid Grid
* @ingroup data_handling
*/
/*---------------------------------------------------------------------------*/
/**@{*/
/*-----------------------------------------------------------------------------
Includes
----------------------------------------------------------------------------*/
#include <xsh_data_grid.h>
#include <xsh_utils.h>
#include <xsh_error.h>
#include <xsh_msg.h>
#include <xsh_pfits.h>
#include <cpl.h>
/*----------------------------------------------------------------------------
Function implementation
----------------------------------------------------------------------------*/
static int xsh_grid_point_compare(const void* one, const void* two){
xsh_grid_point** a = NULL;
xsh_grid_point** b = NULL;
int xa, ya, xb, yb;
a = (xsh_grid_point**) one;
b = (xsh_grid_point**) two;
xa = (*a)->x;
xb = (*b)->x;
ya = (*a)->y;
yb = (*b)->y;
if (ya < yb)
return -1;
else if ( (ya == yb) && (xa <= xb) ){
return -1;
}
else{
return 1;
}
}
/****************************************************************************/
/**
* @brief Dump main info about a grid
* @param grid pointer
*/
/****************************************************************************/
void xsh_grid_dump( xsh_grid* grid)
{
int i = 0;
/* check input parameters */
XSH_ASSURE_NOT_NULL(grid);
xsh_msg( "Grid dump" ) ;
xsh_msg( "Size: %d", grid->size ) ;
xsh_msg( "Elts: %d", grid->idx ) ;
for(i =0 ; i<grid->idx ; i++ ) {
xsh_msg( "x %d y %d v %f", grid->list[i]->x, grid->list[i]->y ,
grid->list[i]->v) ;
}
cleanup:
return;
}
/****************************************************************************/
/**
* @brief Dump main info about a grid
* @param grid pointer
*/
/****************************************************************************/
cpl_table* xsh_grid2table( xsh_grid* grid)
{
int i = 0;
cpl_table* tab=NULL;
double* px=NULL;
double* py=NULL;
double* pi=NULL;
double* pe=NULL;
//double* pf=NULL;
//double* pr=NULL;
int nrows=0;
/* check input parameters */
XSH_ASSURE_NOT_NULL(grid);
nrows= grid->idx;
tab=cpl_table_new(nrows);
cpl_table_new_column(tab,"X",CPL_TYPE_DOUBLE);
cpl_table_new_column(tab,"Y",CPL_TYPE_DOUBLE);
cpl_table_new_column(tab,"INT",CPL_TYPE_DOUBLE);
cpl_table_new_column(tab,"ERR",CPL_TYPE_DOUBLE);
cpl_table_fill_column_window(tab,"X",0,nrows,-1);
cpl_table_fill_column_window(tab,"Y",0,nrows,-1);
cpl_table_fill_column_window(tab,"INT",0,nrows,-1);
cpl_table_fill_column_window(tab,"ERR",0,nrows,-1);
px=cpl_table_get_data_double(tab,"X");
py=cpl_table_get_data_double(tab,"Y");
pi=cpl_table_get_data_double(tab,"INT");
pe=cpl_table_get_data_double(tab,"ERR");
for (i = 0; i < nrows; i++) {
px[i] = grid->list[i]->x;
py[i] = grid->list[i]->y;
pi[i] = grid->list[i]->v;
pe[i] = grid->list[i]->errs;
}
cleanup:
return tab;
}
/****************************************************************************/
/**
* @brief Create a grid
* @param size size of the grid
* @return the grid structure
*/
/****************************************************************************/
xsh_grid* xsh_grid_create(int size){
xsh_grid* grid = NULL;
/* check input parameters */
XSH_ASSURE_NOT_ILLEGAL(size > 0);
XSH_CALLOC(grid,xsh_grid,1);
grid->size = size;
grid->idx = 0;
XSH_CALLOC(grid->list, xsh_grid_point*, size);
cleanup:
if(cpl_error_get_code() != CPL_ERROR_NONE){
xsh_grid_free(&grid);
}
return grid;
}
/****************************************************************************/
/**
* @brief Free a grid
* @param grid the grid pointer
*/
/****************************************************************************/
void xsh_grid_free(xsh_grid** grid)
{
int i = 0;
if (grid && *grid){
if ( (*grid)->list ){
for (i=0; i< (*grid)->idx; i++) {
XSH_FREE( (*grid)->list[i]);
}
XSH_FREE( (*grid)->list);
}
XSH_FREE(*grid);
}
}
/****************************************************************************/
/**
* @brief add a point to a grid
* @param grid The grid
* @param x x coordinate of the point
* @param y y coordinate of the point
* @param v value of the point
*/
/****************************************************************************/
void xsh_grid_add(xsh_grid* grid, int x, int y, double data, double errs, int qual)
{
xsh_grid_point* point = NULL;
/* check input parameters */
XSH_ASSURE_NOT_NULL(grid);
XSH_ASSURE_NOT_ILLEGAL(grid->idx < grid->size);
XSH_MALLOC(point,xsh_grid_point,1);
point->x = x;
point->y = y;
point->v = data;
point->errs = errs;
point->qual = qual;
grid->list[grid->idx] = point;
grid->idx++;
cleanup:
return;
}
/****************************************************************************/
/**
* @brief sort grid points
* @param grid The grid
*/
/****************************************************************************/
void xsh_grid_sort(xsh_grid* grid)
{
/* check input parameters */
XSH_ASSURE_NOT_NULL(grid);
/* sort by Y and by X after */
qsort(grid->list,grid->idx, sizeof(xsh_grid_point*),
xsh_grid_point_compare);
cleanup:
return;
}
/****************************************************************************/
/**
* @brief get x points from the grid
* @param grid the grid pointer
* @param i grid index point
* @return the x points
*/
/****************************************************************************/
xsh_grid_point* xsh_grid_point_get(xsh_grid* grid, int i)
{
xsh_grid_point* res = NULL;
/* check input parameters */
XSH_ASSURE_NOT_NULL(grid);
XSH_ASSURE_NOT_ILLEGAL( i < grid->idx);
res = grid->list[i];
cleanup:
return res;
}
/****************************************************************************/
/**
* @brief get the number of elements in the grid
* @param grid the grid pointer
* @return the number of elements in the grid
*/
/****************************************************************************/
int xsh_grid_get_index(xsh_grid* grid)
{
int res = 0;
/* check input parameters */
XSH_ASSURE_NOT_NULL(grid);
res = grid->idx;
cleanup:
return res;
}
/**@}*/
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