Mercurial > forge
changeset 12667:1411b4cf3c81 octave-forge
Check that the curves formed a closed surface
| author | rafavzqz |
|---|---|
| date | Tue, 28 Jul 2015 10:24:42 +0000 |
| parents | fc325d64210b |
| children | 7623d14dd29c |
| files | extra/nurbs/inst/nrbcoons.m |
| diffstat | 1 files changed, 9 insertions(+), 0 deletions(-) [+] |
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--- a/extra/nurbs/inst/nrbcoons.m Wed Jul 08 13:58:00 2015 +0000 +++ b/extra/nurbs/inst/nrbcoons.m Tue Jul 28 10:24:42 2015 +0000 @@ -89,6 +89,15 @@ error('Incorrect number of input arguments'); end +if (max (abs (nrbeval (u1, u1.knots(1)) - nrbeval (v1, v1.knots(1)))) > 1e-10 || ... + max (abs (nrbeval (u1, u1.knots(end)) - nrbeval (v2, v2.knots(1)))) > 1e-10 || ... + max (abs (nrbeval (u2, u2.knots(1)) - nrbeval (v1, v1.knots(end)))) > 1e-10 || ... + max (abs (nrbeval (u2, u2.knots(end)) - nrbeval (v2, v2.knots(end)))) > 1e-10) + error ('The four curves do not define a closed boundary') +end + + + r1 = nrbruled(u1, u2); r2 = nrbtransp(nrbruled(v1, v2)); t = nrb4surf(u1.coefs(:,1), u1.coefs(:,end), u2.coefs(:,1), u2.coefs(:,end));