Scilab Function
eng


mResistor

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function [x,y,typ]=mResistor(job,arg1,arg2)
// Copyright INRIA
// exemple d'un bloc implicit, 
//   -  sans entree ni sortie de conditionnement
//   -  avec une entree et une sortie de type implicit et de dimension 1
//   - avec un dialogue de saisie de parametre
x=[];y=[];typ=[];
select job
case 'plot' then
  R=arg1.graphics.exprs;
  standard_draw(arg1,%f,mResistor_draw_ports)
  //standard_draw(arg1,%f,bidon_draw_ports)
case 'getinputs' then
  [x,y,typ]=mResistor_inputs(arg1)
case 'getoutputs' then
  [x,y,typ]=mResistor_outputs(arg1)
case 'getorigin' then
  [x,y]=standard_origin(arg1)
case 'set' then
  x=arg1;
  graphics=arg1.graphics;exprs=graphics.exprs
  model=arg1.model;
  while %t do
    [ok,R,exprs]=getvalue('Set Resistor block parameter',..
    			   'R (ohm)',list('vec',1),exprs)
    if ~ok then break,end
    model.rpar=R
    model.equations.parameters(2)=list(R)
    graphics.exprs=exprs
    x.graphics=graphics;x.model=model
    break
  end
case 'define' then
  model=scicos_model()
  R=0.01
  model.rpar=R
  model.sim='resistor'
  model.blocktype='c'
  model.dep_ut=[%t %f]
  mo=modelica()
    mo.model='Resistor'
    mo.inputs='p';
    mo.outputs='n';
    mo.parameters=list('R',list(R))
  model.equations=mo
  model.in=ones(size(mo.inputs,'*'),1)
  model.out=ones(size(mo.outputs,'*'),1)
  exprs=string(R)
  gr_i=[ 'if orient==0|orient==1|orient==%T|orient==%f then';
         'xx=[0,1,1,7,7,8,7,7,1,1]/8;';
         'yy=[1,1,0,0,1,1,1,2,2,1]/2;';
         'rect=xstringl(0,0,''R=''+R);'
         'xstring(orig(1)+(sz(1)-rect(3))/2,orig(2)-rect(4)*1.2,''R=''+R);';
         'else'
         'yy=[0,1,1,7,7,8,7,7,1,1]/8;';
         'xx=[1,1,0,0,1,1,1,2,2,1]/2;';
         'rect=xstringl(0,0,''R=''+R);'
         'xstring(orig(1)+rect(3)*0.5,orig(2)+(sz(2)-rect(4))/2,''R=''+R);'
         'end'
         'xpoly(orig(1)+xx*sz(1),orig(2)+yy*sz(2));'
       ]
  x=standard_define([2 0.18],model,exprs,list(gr_i,0))
  x.graphics.in_implicit=['I']
  x.graphics.out_implicit=['I']
end
endfunction

function mResistor_draw_ports(o)
[orig,sz,orient]=(o.graphics.orig,o.graphics.sz,o.graphics.flip)
xset('pattern',default_color(0))

if orient==0|orient==%F
 out=[0  -1
      1  -1
      1   1
      0   1]*diag([xf/7,yf/14])
    
 in=[-1  -1
      0  -1
      0   1
     -1   1]*diag([xf/7,yf/14])

 dy=sz(2)/2
 xset('pattern',default_color(1))
 xfpoly(in(:,1)+ones(4,1)*orig(1),in(:,2)+ones(4,1)*(orig(2)+dy),1)
 xpoly(out(:,1)+ones(4,1)*(orig(1)+sz(1)),out(:,2)+ones(4,1)*(orig(2)+dy),"lines",1)
elseif orient==1|orient==%T
 out=[0  -1
     -1  -1
     -1   1
      0   1]*diag([xf/7,yf/14])
      
 in=[1  -1
     0  -1
     0   1
     1   1]*diag([xf/7,yf/14])
 dy=sz(2)/2
 xset('pattern',default_color(1))
 xfpoly(in(:,1)+ones(4,1)*(orig(1)+sz(1))+1,in(:,2)+ones(4,1)*(orig(2)+sz(2)-dy),1)      
 xpoly(out(:,1)+ones(4,1)*orig(1)-1,out(:,2)+ones(4,1)*(orig(2)+dy),"lines",1)
elseif orient==0.5
 in=[-1  -1
      1  -1
      1   1
     -1   1]*diag([xf/14*0.6,yf/7])
     
 out=[0  -1
      1  -1
      1   1
      0   1]*diag([xf/14,yf/7])
 dx=sz(1)/2
 //xset('pattern',default_color(1))
 xfpoly(in(:,1)+ones(4,1)*(orig(1)+dx),in(:,2)+ones(4,1)*(orig(2)+sz(2)+yf/7),1)
 xpoly(out(:,1)+ones(4,1)*orig(1),out(:,2)+ones(4,1)*(orig(2)-1-yf/7),"lines",1)
elseif orient==1.5
 in=[-1  -1
      1  -1
      1   1
     -1   1]*diag([xf/14*0.6,yf/7])
     
 out=[1  -1
      0  -1
      0   1
      1   1]*diag([xf/14,yf/7])
 dx=sz(1)/2
 //xset('pattern',default_color(1))
 xfpoly(in(:,1)+ones(4,1)*(orig(1)+dx),in(:,2)+ones(4,1)*(orig(2)-1-yf/7),1)
 xpoly(out(:,1)+ones(4,1)*orig(1),out(:,2)+ones(4,1)*(orig(2)+sz(2)+yf/7),"lines",1)
end
xset('pattern',default_color(0))
endfunction
function [x,y,typ]=mResistor_inputs(arg1)
 xf=60
 yf=40
 orig=arg1.graphics.orig;sz=arg1.graphics.sz;
 orient=arg1.graphics.flip
 dy=sz(2)/2
 dx=sz(1)/2
 if orient==0|orient==%F
  x=orig(1)
  y=orig(2)+dy
 elseif orient==1|orient==%T
  x=orig(1)+sz(1)
  y=orig(2)+sz(2)-dy
 elseif orient==0.5
  x=orig(1)+dx
  y=orig(2)+sz(2)+yf/7
 elseif orient==1.5
  x=orig(1)+dx
  y=orig(2)-1-yf/7
 end
 typ=2
endfunction
function [x,y,typ]=mResistor_outputs(arg1)
 xf=60
 yf=40
 orig=arg1.graphics.orig;sz=arg1.graphics.sz;
 orient=arg1.graphics.flip
 dy=sz(2)/2
 dx=sz(1)/2
 if orient==0|orient==%F
  x=orig(1)+sz(1)
  y=orig(2)+dy
 elseif orient==1|orient==%T
  x=orig(1)-1
  y=orig(2)+dy
 elseif orient==0.5
  x=orig(1)
  y=orig(2)-1-yf/7
 elseif orient==1.5
  x=orig(1)
  y=orig(2)+sz(2)+yf/7
 end
 typ=2
endfunction