[Scilab-users] contour : z level use

[paul.carrico at free.fr]

Hi 

I've been thinking that Scilab uses the closest zlev than the one I'm
specifying, based on the points I provided ... am I correct? 

I've to find a way to create the points I need with z=0 .... 

Paul 

Le 2017-04-01 23:42, paul.carrico at free.fr a écrit : 

> Hi 
> 
> In the following example, I'm trying to add a single contour line
> equals to z = 0, but I've another value: what am I doing wrong? 
> 
> Thanks for the help 
> 
> Nota bene : I'm under 5.5.2 Scilab release 
> 
> Paul 
> 
> ##########################################
> 
> mode(0)
> 
> X = linspace(0,1,10);
> Y = linspace(0,1,10);
> Z = rand(10,10) - rand(10,10);
> 
> Z_min = min(Z);
> Z_max = max(Z);
> 
> //  plot3d
> 
> scf();
> xset("colormap",jetcolormap(64)); 
> drawlater() ;
> xtitle("Z following (X,Y)");
> colorbar(Z_min,Z_max); 
> a=get("current_axes");
> a.x_label; x_label=a.x_label; x_label.text=" X";
> a.y_label; y_label=a.y_label; y_label.text=" Y";
> a.z_label; z_label=a.z_label; z_label.text=" Z";
> plot3d1(X,Y,Z,45,80);
> contour(X,Y,Z,1,flag=[0 1 4],zlev=0.);
> drawnow() ;
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