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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2005 - INRIA - Farid Belahcene
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution. The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
function barhomogenize(varargin)
// barhomogenize(a,style,width)
// This function homogenizes the style and the widh of all the bars contained in the axes handle a (default is the handle of the current axes)
//
// Input :
// a : the handle of the axe containing the bares (default: a=gca())
// style : a string, 'grouped' or 'stacked' (default: style='grouped')
// width : a double, the bar width, it's the percentage (0<width<1) of the width max of one bar which is wanted (default: width=0.8).
if and(size(varargin)<>[0:3]) then
error(msprintf(gettext("%s: Wrong number of input argument(s): %d to %d expected.\n"), "barhomogenize", 0, 3));
end
// Default values
a=gca()
STYLE="grouped"
WIDTH=0.8
varlist=varargin
pos="v"
if size(varargin)<>0 then
if or(varlist($)==["h";"v"]) then
pos=varlist($)
varlist($)=null()
end
end
// detect and set the handle axes, the style and the width
if size(varlist) == 1
if type(varlist(1))==9
var1=varlist(1)
if var1.type == "Axes"
a=var1
else
error(msprintf(gettext("%s: Wrong type for input argument #%d: Axes handle expected.\n"),"barhomogenize",1));
end
varlist(1).type == "Axes"
a=varlist(1)
elseif or(varlist(1) == ["grouped","stacked"])
STYLE=varlist(1)
elseif type(varlist(1)) == 1
WIDTH=varlist(1)
else
error(msprintf(gettext("%s: Wrong type for input argument #%d: A handle, a string or a scalar expected.\n"),"barhomogenize", 1));
end
elseif size(varlist) == 2 then
if type(varlist(1))==9 then
var1=varlist(1)
if (var1.type == "Axes") & or(varlist(2)==["grouped","stacked"]) then
a=var1
STYLE=varlist(2)
elseif var1.type == "Axes" & type(varlist(2)) == 1 then
a=var1
WIDTH=varlist(2)
else
error(msprintf(gettext("%s: Wrong type for input argument #%d: A string or a scalar expected.\n"),"barhomogenize", 2));
end
elseif or(varlist(1) == ["grouped","stacked"]) & (type(varlist(2)) == 1)
STYLE=varlist(1)
WIDTH=varlist(2)
else
error(msprintf(gettext("%s: Wrong type for input arguments #%d and #%d: If argument #%d is a handle or a string, argument #%d must be a string or a scalar.\n"),"barhomogenize", 1, 2, 1, 2));
end
elseif size(varlist) == 3
if type(varlist(1))==9 then
var1 = varlist(1)
if var1.type == "Axes" & or(varlist(2)==["grouped","stacked"]) & (type(varlist(3)) == 1)
a=var1
STYLE=varlist(2)
WIDTH=varlist(3)
end
end
end
if ~isreal(WIDTH)
error(msprintf(gettext("%s: Wrong type for input argument #%d: A real expected for %s.\n"),"barhomogenize", length(varlist), "width"));
end
hbarlist=[];
for i=1:size(a.children,"*")
hbarlist=searchbarhandle(a.children(i),hbarlist)
end
nbarhandle=size(hbarlist,"*")
if hbarlist<>[] then
X=hbarlist(1).data(:,1)
for i=2:nbarhandle
if or(hbarlist(i).data(:,1) <> X)
error(msprintf(gettext("%s: The bars must have the same x data.\n"),"barhomogenize"));
end
end
else
error(msprintf(gettext("%s: Could not find any bar in the current graphic.\n"),"barhomogenize"));
end
// Determinate the max width
if size(X,"*")>1 then
Xtemp=gsort(X,"r","i")
inter=Xtemp(2)-Xtemp(1)
for i=2:size(Xtemp,"*")-1
inter=min(Xtemp(i+1)-Xtemp(i),inter)
end
if nbarhandle>1
inter=inter*0.9
end
else
inter=1
end
// Perform the x_shift
wmax=inter/nbarhandle
for i=1:nbarhandle
if modulo(nbarhandle,2)==0 then
x_shift=(i-1-nbarhandle/2)*wmax+wmax/2
elseif modulo(nbarhandle,2)==1 then
x_shift=(i-1-floor(nbarhandle/2))*wmax
end
// Perform the y_shift
if i==1 then
y_shift=zeros(size(X,"*"),1)
else
y_shift=hbarlist(i-1).data(:,2)+y_shift
end
// Update axes data bounds
if pos=="v"
if STYLE=="grouped"
a.data_bounds=[min(a.data_bounds(1,1),min(X)+x_shift-wmax/2) min(a.data_bounds(1,2),0,min(hbarlist(i).data(:,2))); max(a.data_bounds(2,1),max(X)+x_shift+wmax/2) max(a.data_bounds(2,2),0,max(hbarlist(i).data(:,2)))]
hbarlist(i).x_shift=x_shift*ones(size(X,"*"),1)
hbarlist(i).y_shift=zeros(size(X,"*"),1)
else
wmax=inter
a.data_bounds=[min(a.data_bounds(1,1),min(X)-wmax/2) min(a.data_bounds(1,2),0,min(y_shift+hbarlist(i).data(:,2))); max(a.data_bounds(2,1),max(X)+wmax/2) max(a.data_bounds(2,2),0,max(y_shift+hbarlist(i).data(:,2)))]
hbarlist(i).x_shift=zeros(size(X,"*"),1)
hbarlist(i).y_shift=y_shift
end
a.auto_ticks(2) = "on";
a.x_ticks=tlist("ticks",Xtemp,string(Xtemp))
hbarlist(i).polyline_style=6;
elseif pos=="h" then
if STYLE=="grouped"
a.data_bounds=[min(a.data_bounds(1,2),min(X)+x_shift-wmax/2) min(a.data_bounds(1,1),0,min(hbarlist(i).data(:,2))); max(a.data_bounds(2,2),max(X)+x_shift+wmax/2) max(a.data_bounds(2,1),0,max(hbarlist(i).data(:,2)))]
hbarlist(i).x_shift=x_shift*ones(size(X,"*"),1)
hbarlist(i).y_shift=zeros(size(X,"*"),1)
else
wmax=inter
a.data_bounds=[min(a.data_bounds(1,2),min(X)-wmax/2) min(a.data_bounds(1,1),0,min(y_shift+hbarlist(i).data(:,2))); max(a.data_bounds(2,1),max(y_shift+hbarlist(i).data(:,2))) max(a.data_bounds(2,2),0,max(X+x_shift)+wmax/2)]
hbarlist(i).x_shift=zeros(size(X,"*"),1)
hbarlist(i).y_shift=y_shift
end
a.auto_ticks(1) = "on";
a.sub_ticks(2) = 0;
a.y_ticks=tlist("ticks",Xtemp,string(Xtemp))
hbarlist(i).polyline_style=7;
end
w=WIDTH*wmax
if hbarlist(i).background == -2
hbarlist(i).background=hbarlist(i).foreground
end
hbarlist(i).bar_width=w
hbarlist(i).line_mode="off";
end
endfunction
function hbarlist=searchbarhandle(h,hbarlist)
// This function searches all the bares contained in an axes handle
// output :
// hbarlist: a list which contains the bars handles
if h.type=="Compound" then
for j=1:size(h.children,"*")
hbarlist=searchbarhandle(h.children(j),hbarlist)
end
elseif h.type == "Polyline" then
if h.polyline_style == 6 | h.polyline_style == 7 then
hbarlist = [hbarlist h];
end
end
endfunction
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