function [h,l]=viziso(fv);
%VIZISO--visualize an isosurface with lighting
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%h=viziso(fv);
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%Renders isosurface fv (see isosurface).
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%


h=patch(fv,'edgecolor','none','facecolor',[0 0 1]*0.8,...
        'facelighting','phong');
%view(3);
l=camlight(-40, 0);
