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function errmap(fconf)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% Function: errmap.m
% Package: HoP
% Author: Franco Buffa
% Purpose:
% Date:
%
% GNU Octave Version: 4.0.2
%
% revised by
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% errmap.m is a function that
%
% Output:
%
%
% Input:
%
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
if nargin>0
run(fconf);
else
run('conf.m');
end
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
load unwr.dat
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% u0=sfactor*u0;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dx=D/(mp-1)/k0;
W=reshape(u0,mp*mp,1);
X1=ones(mp,mp).*(1:mp); % colonna
Y1=transpose(X1); % riga
x=dx*(X1-mp/2);
y=dx*(Y1-mp/2);
rho2=x.^2+y.^2;
delta2=x.^2-y.^2;
X=reshape(x,mp*mp,1);
Y=reshape(y,mp*mp,1);
RHO2=reshape(rho2,mp*mp,1);
DELTA2=reshape(delta2,mp*mp,1);
X(blk)=[];
Y(blk)=[];
RHO2(blk)=[];
DELTA2(blk)=[];
W(blk)=[];
if (~exist('aber','var'))
aber=0;
end
if(aber)
switch aber
case 1
a=[ones(length(X),1) X Y RHO2 RHO2.*X RHO2.*Y];
c=a\W;
u0=u0-(c(1)+x*c(2)+y*c(3)+rho2*c(4)+rho2.*x*c(5)+rho2.*y*c(6));
case 2
a=[ones(length(X),1) X Y RHO2 RHO2.*X RHO2.*Y DELTA2];
c=a\W;
u0=u0-(c(1)+x*c(2)+y*c(3)+rho2*c(4)+rho2.*x*c(5)+rho2.*y*c(6)+delta2*c(7));
otherwise
error("invalid aber value");
endswitch
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
printf('********************************\n');
xf=c(5)*2*F^3*lambda/pi;
yf=c(6)*2*F^3*lambda/pi;
zf=c(4)*2*F^2*lambda/pi;
% phi=atan2((c(3)*lambda/(2*pi)-yf/F),(c(2)*lambda/(2*pi)-xf/F))*180/pi
% theta=((c(3)*lambda/(2*pi)-yf/F)/sind(phi))*180/pi
printf('Feed displacements:\n');
printf('x=%f (mm)\n',1E3*xf);
printf('y=%f (mm)\n',1E3*yf);
printf('z=%f (mm)\n',1E3*zf);
printf('********************************\n');
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
else
a=[ones(length(X),1) X Y];
c=a\W;
u0=u0-(c(1)+x*c(2)+y*c(3));
end
u0(blk)=0;
u1=lambda/4/pi*sqrt(1.0-(x.^2+y.^2)/4/(F^2)).*u0;
% u1=lambda/4/pi*u0;
u1=u1*1E3;
%i3=find(abs(u1)>tol3);
%u1(i3)=0;
u1=sfactor*u1;
save errmap.dat u1
switch(panels)
case(1)
fname=[datapath,'jacks.dat'];
load(fname);
R=D/2;
jx=round((jx)*r1/R)+mp/2;
jy=round((jy)*r1/R)+mp/2;
jy=mp+1-jy;
for k=1:length(jx)
u1(jx(k),jy(k))=tol3;
end
case(2)
fname=[datapath,'panel.dat'];
load(fname);
p1=map0.*(map0==1);
ip1=find(p1==0);
u1(ip1)=tol3;
u1(blk)=0;
end
figure(1);
imagesc(dx*(-mp/2:mp/2),dx*(-mp/2:mp/2),u1);
caxis([-tol3 tol3]);
%grid minor on;
axis('square');
colormap(cmap);
colorbar;
title('error map (mm)');
%print -dpng errmap.png
% figure(9);
% surf(u1);
% colormap('jet');
% view(145,70);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
end