📄 opt_plotoptics.htm

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<HTML>                                              <HEAD>                                                <TITLE>/</TITLE>                                    <META NAME="GENERATOR" CONTENT="HTML-TOOLBOX ">   </HEAD>                                             <BODY bgcolor="#FFFFF0"> <HR WIDTH="100%"></P> <CENTER><P><FONT COLOR="#000000"><FONT SIZE=+3>Cross-linked m-file</FONT></FONT></P></CENTER> <CENTER><P><FONT COLOR="#000000"><FONT SIZE=+1></FONT></FONT></P></CENTER> <CENTER><P><FONT COLOR="#000000"><FONT SIZE=+2>opt_plotoptics.m</FONT></FONT></P></CENTER> <CENTER><P><FONT COLOR="#000000"><FONT SIZE=+1>Located in:</FONT></FONT></P></CENTER> <CENTER><P><FONT COLOR="#000000"><FONT SIZE=+1>/home/bjorn/matlab/Optical_bench</FONT></FONT></P></CENTER> <P><HR WIDTH="100%"></P> <P><FONT COLOR="#000000"><FONT SIZE=+2>Function synopsis</FONT></FONT></P> <P><FONT COLOR="#000000"><FONT SIZE=+1> ok = opt_plotoptics(opt_el)                                                                                                                         </FONT></FONT></P> <P><HR WIDTH="100%"></P> <P><FONT COLOR="#000000"><FONT SIZE=+2>Function comments</FONT></FONT></P> <pre> % % OPT_PLOTOPTICS - Plot the optical system. % Blue - apertures % Green - lens surfaces % Red - screens % Orange - prisms % Yellow - grids </pre> <P><HR WIDTH="100%"></P> <P><FONT COLOR="#000000"><FONT SIZE=+1>m-files called by opt_plotoptics.m</FONT></FONT></P> <UL> <LI><A HREF ="opt_rot.htm">opt_rot</A></LI> </UL> <P><HR WIDTH="100%"></P> <P><FONT COLOR="#000000"><FONT SIZE=+1>m-files that call opt_plotoptics.m</FONT></FONT></P> <UL> <LI><A HREF ="Contents.htm">Contents</A></LI> <LI><A HREF ="opt_exempel.htm">opt_exempel</A></LI> </UL> <P><HR WIDTH="100%"></P> <P><FONT COLOR="#000000"><FONT SIZE=+1>All the cross references in the source m-code of opt_plotoptics.m</FONT></FONT></P> <pre> function ok = opt_plotoptics(opt_el) % ok = opt_plotoptics(opt_el) % % OPT_PLOTOPTICS - Plot the optical system. % Blue - apertures % Green - lens surfaces % Red - screens % Orange - prisms % Yellow - grids  % Version: 1.0 % Copyright: Bjorn Gustavsson 20020430  hstate = ishold; hold on  for i = 1:length(opt_el),    switch opt_el(i).type    case 'aperture'     ex = [1 0 0];     n = opt_el(i).n;     dz = opt_el(i).diameter;      z = (-(dz/1.9).^2):(dz/1.85).^2/25:(dz/1.9).^2;     z = sign(z).*((abs(z).^.5));     y = z;     [y,z] = meshgrid(y,z);     ia = find(y.^2+z.^2<(dz/2)^2);     x = zeros(size(y));     r = [x(:),y(:),z(:)];     if asin(norm(cross(ex,n)))~=0       for j = 1:length(r) 	r(j,:) = <A HREF ="opt_rot.htm">opt_rot</A>(r(j,:),cross(ex,n),asin(norm(cross(ex,n))));       end     end     x(:) = r(:,1)+opt_el(i).r(1);     y(:) = r(:,2)+opt_el(i).r(2);     z(:) = r(:,3)+opt_el(i).r(3);     y(ia) = nan;     surf(x,y,z,zeros(size(z))),shading flat     case 'grid'     ex = [1 0 0];     n = opt_el(i).n;     dz = opt_el(i).dxdydz(3);     dy = opt_el(i).dxdydz(2);     z = (-dz/2):(dz/2):(dz/2);     y = (-dy/2):(dy/2):(dy/2);     [y,z] = meshgrid(y,z);     x = zeros(size(y));     r = [x(:),y(:),z(:)];     if asin(norm(cross(ex,n)))~=0       for j = 1:length(r) 	r(j,:) = <A HREF ="opt_rot.htm">opt_rot</A>(r(j,:),cross(ex,n),asin(norm(cross(ex,n))));       end     end     x(:) = r(:,1)+opt_el(i).r(1);     y(:) = r(:,2)+opt_el(i).r(2);     z(:) = r(:,3)+opt_el(i).r(3);     surf(x,y,z,.6*ones(size(z))),shading flat     plot3([opt_el(i).r(1)  opt_el(i).r(1)+opt_el(i).e_slits(1)],... 	  [opt_el(i).r(2)  opt_el(i).r(2)+opt_el(i).e_slits(2)],... 	  [opt_el(i).r(3)  opt_el(i).r(3)+opt_el(i).e_slits(3)],'k','linewidth',6)     case 'lens'      ex = [1 0 0];     n = opt_el(i).n;     dz = opt_el(i).diameter;      z = (-(dz/2)):(dz/2).^2/25:(dz/2);     y = z;     [y,z] = meshgrid(y,z);     ia = find(y.^2+z.^2>=(dz/2)^2);     y(ia) = nan;     ib = find(y.^2+z.^2<(dz/2)^2);     x = zeros(size(y));      x(ib) = -(sign(opt_el(i).r_o_curv)*(opt_el(i).r_o_curv^2- ... 				      y(ib).^2-z(ib).^2).^.5 + ... 	    -sign(opt_el(i).r_o_curv)*(opt_el(i).r_o_curv^2-dz^2).^.5);     if sign(opt_el(i).r_o_curv) > 0       x(ib) = x(ib)-min(x(ib));     else       x(ib) = x(ib)-max(x(ib));     end     r = [x(:),y(:),z(:)];     if asin(norm(cross(ex,n)))~=0       for j = ib, 	r(j,:) = <A HREF ="opt_rot.htm">opt_rot</A>(r(j,:),cross(ex,n),asin(norm(cross(ex,n))));       end     end     x(:) = r(:,1)+opt_el(i).r(1);     y(:) = r(:,2)+opt_el(i).r(2);     z(:) = r(:,3)+opt_el(i).r(3);     surf(x,y,z,0.5*ones(size(z))),shading flat     case 'prism'     ex = [1 0 0];     n = opt_el(i).n;     dz = opt_el(i).dxdydz(3);     dy = opt_el(i).dxdydz(2);     z = (-dz/2):(dz/2):(dz/2);     y = (-dy/2):(dy/2):(dy/2);     [y,z] = meshgrid(y,z);     x = zeros(size(y));     r = [x(:),y(:),z(:)];     if asin(norm(cross(ex,n)))~=0       for j = 1:length(r) 	r(j,:) = <A HREF ="opt_rot.htm">opt_rot</A>(r(j,:),cross(ex,n),asin(norm(cross(ex,n))));       end     end     x(:) = r(:,1)+opt_el(i).r(1);     y(:) = r(:,2)+opt_el(i).r(2);     z(:) = r(:,3)+opt_el(i).r(3);     surf(x,y,z,0.7*ones(size(z))),shading flat     case 'screen'     ex = [1 0 0];     n = opt_el(i).n;     dz = opt_el(i).dxdydz(3);     dy = opt_el(i).dxdydz(2);     z = (-dz/2):(dz/2):(dz/2);     y = (-dy/2):(dy/2):(dy/2);     [y,z] = meshgrid(y,z);     x = zeros(size(y));     r = [x(:),y(:),z(:)];     if asin(norm(cross(ex,n)))~=0       for j = 1:length(r) 	r(j,:) = <A HREF ="opt_rot.htm">opt_rot</A>(r(j,:),cross(ex,n),asin(norm(cross(ex,n))));       end     end     x(:) = r(:,1)+opt_el(i).r(1);     y(:) = r(:,2)+opt_el(i).r(2);     z(:) = r(:,3)+opt_el(i).r(3);     surf(x,y,z,ones(size(z))),shading flat     case 'slit'     ex = [1 0 0];     n = opt_el(i).n;     dz = opt_el(i).dxdydz(3)+2;     dy = opt_el(i).dxdydz(2)+2;     z = (-dz/2):(dz/2):(dz/2);     y = (-dy/2):(dy/2):(dy/2);     [y,z] = meshgrid(y,z);     x = zeros(size(y));     r = [x(:),y(:),z(:)];     if asin(norm(cross(ex,n)))~=0       for j = 1:length(r) 	r(j,:) = <A HREF ="opt_rot.htm">opt_rot</A>(r(j,:),cross(ex,n),asin(norm(cross(ex,n))));       end     end     x(:) = r(:,1)+opt_el(i).r(1);     y(:) = r(:,2)+opt_el(i).r(2);     z(:) = r(:,3)+opt_el(i).r(3);     surf(x,y,z,.9*ones(size(z))),shading flat     ex = [1 0 0];     n = opt_el(i).n;     dz = opt_el(i).dxdydz(3);     dy = opt_el(i).dxdydz(2);     z = (-dz/2):(dz/2):(dz/2);     y = (-dy/2):(dy/2):(dy/2);     [y,z] = meshgrid(y,z);     x = zeros(size(y));     r = [x(:),y(:),z(:)];     if asin(norm(cross(ex,n)))~=0       for j = 1:length(r) 	r(j,:) = <A HREF ="opt_rot.htm">opt_rot</A>(r(j,:),cross(ex,n),asin(norm(cross(ex,n))));       end     end     x(:) = r(:,1)+opt_el(i).r(1);     y(:) = r(:,2)+opt_el(i).r(2);     z(:) = r(:,3)+opt_el(i).r(3);     plot3(x,y,z,'k'),shading flat     plot3(x',y',z','k'),shading flat     otherwise     feval(opt_el(i).fcn2,[1 1 1],'p',opt_el(i).arglist);   end  end  if ~hstate    hold off  end </pre> <P><HR WIDTH="100%"></P> <P><I><FONT COLOR="#0000FF"><FONT SIZE=+1>Written by  B. Gustavsson 13:27 29/1 2003 <IMG SRC = "file:/home/bjorn/matlab/Local/Tools/htmltool/gifs/copyright.gif" ></FONT></FONT></I></P> <P><I><FONT COLOR="#0000FF"><FONT SIZE=+1>E-mail:</B><A HREF = "mailto:bjorn@irf.se">bjorn@irf.se</A></H4></FONT></FONT></I></P>
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