% ----------------- Plot2dSpline.m  ------------------------------
%
% function Plot2dSpline(xc,yc,s,pts)
%
% plot pts points along the 2-d spline curve given by coefficient matrices
% xc(1:4;1:n-1) and yc(1:4,1:n-1) with arclength "knots" s(1:n)
%

function Plot2dSpline(xc,yc,s,pts)

n=length(s);
s0 = s(1):(s(n)-s(1))/pts:s(n);
x0 = EvalSpline(xc,s,s0);
y0 = EvalSpline(yc,s,s0);
plot(x0,y0,'k-');
axis('square')