Export iso values from generated plot

Aashish · May 30, 2022, 10:14am

Hi,

is there a way to export the data shown under iso values

frederichecht · June 7, 2022, 3:28pm

In 2d you can build the data on one value, see exemple :

FreeFem/FreeFem-sources/blob/master/examples/plugin/isoline.edp

load "isoline"

real[int,int] xy(3,1);
int[int] be(1);
{
mesh Th=square(10,10);//,[x*.5,y*0.5]);
fespace Vh(Th,P1);
Vh u= sqrt(square(x-0.5)+square(y-0.5));
real iso= 0.2 ;
real[int] viso=[iso];
plot(u,viso=viso,Th);

int nbc= isoline(Th,u,xy,close=1,iso=iso,beginend=be,smoothing=0.1);
/*

  	iso =  value of the iso to compute
	close =  close the iso line this the border (def. 0). 
       smoothing =  nb of smoothing process =  smoothing * len curve ^ratio  
                (def. 0.) 
	   ratio =  (def. 1.)

This file has been truncated. show original

to extract data of one isovalue.

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Export iso values from generated plot

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