Interfacing function
eng

##
CMATVIEW

### File content

    function [x,y,typ]=CMATVIEW(job,arg1,arg2)
    // Copyright INRIA
    x=[];y=[];typ=[]
    select job
    case 'plot' then
      standard_draw(arg1)
    case 'getinputs' then
      [x,y,typ]=standard_inputs(arg1)
    case 'getoutputs' then
      x=[];y=[];typ=[];
    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,colormap,cmin,cmax,exprs]=getvalue(..
    	'Set Scope parameters',..
    	['ColorMap';
    	'Minimum level range';
    	'Maximum level range'],..
    	 list('vec',-1,'vec',1,'vec',1),exprs)
        if ~ok then break,end //user cancel modification
        mess=[]
        if cmax<=cmin then
          mess=[mess;'Error with minimum and maximum value';' ']
          ok=%f
        end
        if ~ok then
          message(['Some specified values are inconsistent:';' ';mess])
        end
        if ok then
    	size_c=size(colormap(:),1);
            sol=inv([cmin 1;cmax 1])*[1;size_c/3];
            alpha_c = sol(1);
            beta_c = sol(2);
    	ipar=[cmin;cmax;size_c];
      	rpar=[alpha_c;beta_c;colormap(:)];
    	model.ipar=ipar;
    	model.rpar=rpar;
    	graphics.exprs=exprs;
    	x.graphics=graphics;
            x.model=model
    	break
        end
      end
    case 'define' then
      cmin = 0;
      cmax = 100;
      size_c = 25;
      colormap = jetcolormap(size_c);
      alpha_c = 0.24
      beta_c = 1

      model=scicos_model()
      model.sim=list('cmatview',4)
      model.in=-1
      model.in2=-2
      model.intyp=1
      model.evtin=1
      model.ipar=[cmin;cmax;size_c]
      model.rpar=[alpha_c;beta_c;colormap(:)]
      model.blocktype='c'
      model.dep_ut=[%t %f]

      exprs=[string('jetcolormap(25)');
    	 string(cmin);
    	 string(cmax)];
       gr_i='xstringb(orig(1),orig(2),''Mat. View'',sz(1),sz(2),''fill'')'
       x=standard_define([2 2],model,exprs,gr_i)
    end
    endfunction