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/*------------------------------------------------------------------------
* Graphic library
* Copyright (C) 1998-2000 Enpc/Jean-Philippe Chancelier
* jpc@cereve.enpc.fr
--------------------------------------------------------------------------*/
#include <string.h>
#include <stdio.h>
#include <math.h>
#include "Math.h"
#include "PloEch.h"
static void Plo2d3RealToPixel __PARAMS((integer *n1, integer *n2, double *x, double *y, integer *xm, integer *ym, char *xf));
/*--------------------------------------------------------------------
C2F(plot2d3)(xf,x,y,n1,n2,style,strflag,legend,brect,aaint)
used to plot only vertical bars form (x_i,0) to (x_i,y_i)
the arguments are similar to those of plot2d
the only difference is that style must have positive values
which are considered as dash-styles
--------------------------------------------------------------------------*/
int C2F(plot2d3)(xf,x,y,n1,n2,style,strflag,legend,brect,aaint,l1,l2,l3)
double x[],y[],brect[];
integer *n1,*n2,style[],aaint[];
char legend[],strflag[],xf[];
integer l1,l2,l3;
{
int n;
integer *xm,*ym;
integer j;
/** Attention : 2*(*n2) **/
integer nn2=2*(*n2);
if ( CheckxfParam(xf)== 1) return(0);
/** Boundaries of the frame **/
update_frame_bounds(0,xf,x,y,n1,n2,aaint,strflag,brect);
/* Storing values if using the Record driver */
if (GetDriver()=='R')
StorePlot("plot2d3",xf,x,y,n1,n2,style,strflag,legend,brect,aaint);
/* Allocation */
n = (*n1)*nn2 ;
if ( n != 0 )
{
xm = graphic_alloc(0,n,sizeof(int));
ym = graphic_alloc(1,n,sizeof(int));
if ( xm == 0 || ym == 0)
{
sciprint("Running out of memory \n");
return 0;
}
/** Real to Pixel values **/
Plo2d3RealToPixel(n1,n2,x,y,xm,ym,xf);
/** Draw Axis or only rectangle **/
}
axis_draw(strflag);
if ( n != 0 )
{
/** Drawing the curves **/
frame_clip_on();
/** to get the default dash **/
for ( j = 0 ; j < (*n1) ; j++)
{
integer lstyle,iflag=0;
/** style must be negative **/
lstyle = (style[j] < 0) ? -style[j] : style[j];
C2F(dr)("xsegs","v",&xm[2*(*n2)*j],&ym[2*(*n2)*j],&nn2
,&lstyle,&iflag,PI0,PD0,PD0,PD0,PD0,0L,0L);
}
frame_clip_off();
/** Drawing the Legends **/
if ((int)strlen(strflag) >=1 && strflag[0] == '1')
Legends(style,n1,legend);
}
return(0);
}
static void Plo2d3RealToPixel(n1, n2, x, y, xm, ym, xf)
integer *n1;
integer *n2;
double *x;
double *y;
integer *xm;
integer *ym;
char *xf;
{
integer i,j;
/** Computing y-values **/
if ((int)strlen(xf) >= 3 && xf[2]=='l')
{
for ( i=0 ; i < (*n2) ; i++)
for (j=0 ; j< (*n1) ; j++)
{
ym[2*i+1+2*(*n2)*j]= YScale(0);
ym[2*i+2*(*n2)*j]= YLogScale(y[i+(*n2)*j]);
}
}
else
{
for ( i=0 ; i < (*n2) ; i++)
for (j=0 ; j< (*n1) ; j++)
{
ym[2*i+1+2*(*n2)*j]= YScale(0);
ym[2*i+2*(*n2)*j]= YScale(y[i+(*n2)*j]);
}
}
/** Computing x-values **/
switch (xf[0])
{
case 'e' :
/** No X-value given by the user **/
if ((int)strlen(xf) >= 2 && xf[1]=='l')
for (j=0 ; j< (*n1) ; j++)
{
for ( i=0 ; i < (*n2) ; i++)
{
xm[2*i+2*(*n2)*j]= XLogScale(i+1.0);
xm[2*i+1+2*(*n2)*j]=xm[2*i+2*(*n2)*j];
}
}
else
for (j=0 ; j< (*n1) ; j++)
{
for ( i=0 ; i < (*n2) ; i++)
{
xm[2*i+2*(*n2)*j]= XScale((i+1.0));
xm[2*i+1+2*(*n2)*j]=xm[2*i+2*(*n2)*j];
}
}
break ;
case 'o' :
if ((int)strlen(xf) >= 2 && xf[1]=='l')
for (j=0 ; j< (*n1) ; j++)
{
for ( i=0 ; i < (*n2) ; i++)
{
xm[2*i+2*(*n2)*j]= XLogScale(x[i]);
xm[2*i+1+2*(*n2)*j]=xm[2*i+2*(*n2)*j];
}
}
else
for (j=0 ; j< (*n1) ; j++)
{
for ( i=0 ; i < (*n2) ; i++)
{
xm[2*i+2*(*n2)*j]= XScale(x[i]);
xm[2*i+1+2*(*n2)*j]=xm[2*i+2*(*n2)*j];
}
}
break;
case 'g' :
default:
if ((int)strlen(xf) >= 2 && xf[1]=='l')
for (j=0 ; j< (*n1) ; j++)
{
for ( i=0 ; i < (*n2) ; i++)
{
xm[2*i+2*(*n2)*j]= XLogScale(x[i+(*n2)*j]);
xm[2*i+1+2*(*n2)*j]=xm[2*i+2*(*n2)*j];
}
}
else
for (j=0 ; j< (*n1) ; j++)
{
for ( i=0 ; i < (*n2) ; i++)
{
xm[2*i+2*(*n2)*j]= XScale(x[i+(*n2)*j]);
xm[2*i+1+2*(*n2)*j]=xm[2*i+2*(*n2)*j];
}
}
break;
}
}
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