Mercurial > forge
comparison extra/nurbs/inst/nrbcoons.m @ 12667:1411b4cf3c81 octave-forge
Check that the curves formed a closed surface
| author | rafavzqz |
|---|---|
| date | Tue, 28 Jul 2015 10:24:42 +0000 |
| parents | 37d08939bb7b |
| children |
comparison
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| 12666:fc325d64210b | 12667:1411b4cf3c81 |
|---|---|
| 87 | 87 |
| 88 if nargin ~= 4 | 88 if nargin ~= 4 |
| 89 error('Incorrect number of input arguments'); | 89 error('Incorrect number of input arguments'); |
| 90 end | 90 end |
| 91 | 91 |
| 92 if (max (abs (nrbeval (u1, u1.knots(1)) - nrbeval (v1, v1.knots(1)))) > 1e-10 || ... | |
| 93 max (abs (nrbeval (u1, u1.knots(end)) - nrbeval (v2, v2.knots(1)))) > 1e-10 || ... | |
| 94 max (abs (nrbeval (u2, u2.knots(1)) - nrbeval (v1, v1.knots(end)))) > 1e-10 || ... | |
| 95 max (abs (nrbeval (u2, u2.knots(end)) - nrbeval (v2, v2.knots(end)))) > 1e-10) | |
| 96 error ('The four curves do not define a closed boundary') | |
| 97 end | |
| 98 | |
| 99 | |
| 100 | |
| 92 r1 = nrbruled(u1, u2); | 101 r1 = nrbruled(u1, u2); |
| 93 r2 = nrbtransp(nrbruled(v1, v2)); | 102 r2 = nrbtransp(nrbruled(v1, v2)); |
| 94 t = nrb4surf(u1.coefs(:,1), u1.coefs(:,end), u2.coefs(:,1), u2.coefs(:,end)); | 103 t = nrb4surf(u1.coefs(:,1), u1.coefs(:,end), u2.coefs(:,1), u2.coefs(:,end)); |
| 95 | 104 |
| 96 % raise all surfaces to a common degree | 105 % raise all surfaces to a common degree |