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// Scicos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
//
// This program 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// See the file ../license.txt
//
///withoutPrompt
function [x,y,typ]=PENDULUM_ANIM(job,arg1,arg2)
// Animation of the cart-pendulum problem
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics;
exprs=graphics.exprs
model=arg1.model;
dstate=model.dstate
while %t do
[ok,plen,csiz,phi,xmin,xmax,ymin,ymax,exprs]=scicos_getvalue(..
"Set Scope parameters",..
["pendulum length";"cart size (square side)";"slope";
"Xmin";"Xmax"; "Ymin"; "Ymax"; ],..
list("vec",1,"vec",1,"vec",1,"vec",1,"vec",1,"vec",1,"vec",1),exprs)
if ~ok then
break,
end
mess=[]
if plen<=0|csiz<=0 then
mess=[mess;"Pendulum length and cart size must be positive.";" "]
ok=%f
end
if ymin>=ymax then
mess=[mess;"Ymax must be greater than Ymin";" "]
ok=%f
end
if xmin>=xmax then
mess=[mess;"Xmax must be greater than Xmin";" "]
ok=%f
end
if ~ok then
message(mess)
else
rpar=[plen;csiz;phi;xmin;xmax;ymin;ymax]
model.rpar=rpar;
graphics.exprs=exprs;
x.graphics=graphics;
x.model=model
break
end
end
case "define" then
plen=2;
csiz=2;
phi=0;
xmin=-5;
xmax=5;
ymin=-5;
ymax=5
model=scicos_model()
model.sim=list("anim_pen",5)
model.in=[1;1]
model.evtin=1
model.dstate=0
model.rpar=[plen;csiz;phi;xmin;xmax;ymin;ymax]
model.blocktype="d"
model.dep_ut=[%f %f]
exprs=string(model.rpar)
gr_i=[]
x=standard_define([3 3],model,exprs,gr_i)
end
endfunction ///\withPrompt{}
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