-
- // 2.0 - for each node of the cube:
- // - get the 8 points 3D = 8 vertices of the cube
- // - get the 12 points 3D on the 12 edges of the cube
- // - get the 6 points 3D on the 6 faces with their ID
- // - compute the point 3D
- // - store the point 3D in SMESHDS, store its ID in 3D structure
-
- int shapeID = meshDS->ShapeToIndex( aShape );
-
- Pt3 p000, p001, p010, p011, p100, p101, p110, p111;
- Pt3 px00, px01, px10, px11;
- Pt3 p0y0, p0y1, p1y0, p1y1;
- Pt3 p00z, p01z, p10z, p11z;
- Pt3 pxy0, pxy1, px0z, px1z, p0yz, p1yz;
-
- GetPoint(p000, 0, 0, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p001, 0, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p010, 0, nby - 1, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p011, 0, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p100, nbx - 1, 0, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p101, nbx - 1, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p110, nbx - 1, nby - 1, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p111, nbx - 1, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
-
- for (int i = 1; i < nbx - 1; i++) {
- for (int j = 1; j < nby - 1; j++) {
- for (int k = 1; k < nbz - 1; k++) {
- // *** seulement maillage regulier
- // 12 points on edges
- GetPoint(px00, i, 0, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(px01, i, 0, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(px10, i, nby - 1, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(px11, i, nby - 1, nbz - 1, nbx, nby, nbz, np, meshDS);
-
- GetPoint(p0y0, 0, j, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p0y1, 0, j, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(p1y0, nbx - 1, j, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(p1y1, nbx - 1, j, nbz - 1, nbx, nby, nbz, np, meshDS);
-
- GetPoint(p00z, 0, 0, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p01z, 0, nby - 1, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p10z, nbx - 1, 0, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p11z, nbx - 1, nby - 1, k, nbx, nby, nbz, np, meshDS);
-
- // 12 points on faces
- GetPoint(pxy0, i, j, 0, nbx, nby, nbz, np, meshDS);
- GetPoint(pxy1, i, j, nbz - 1, nbx, nby, nbz, np, meshDS);
- GetPoint(px0z, i, 0, k, nbx, nby, nbz, np, meshDS);
- GetPoint(px1z, i, nby - 1, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p0yz, 0, j, k, nbx, nby, nbz, np, meshDS);
- GetPoint(p1yz, nbx - 1, j, k, nbx, nby, nbz, np, meshDS);
-
- int ijk = k * nbx * nby + j * nbx + i;
- double x = double (i) / double (nbx - 1); // *** seulement
- double y = double (j) / double (nby - 1); // *** maillage
- double z = double (k) / double (nbz - 1); // *** regulier
-
- Pt3 X;
- for (int i = 0; i < 3; i++) {
- X[i] = (1 - x) * p0yz[i] + x * p1yz[i]
- + (1 - y) * px0z[i] + y * px1z[i]
- + (1 - z) * pxy0[i] + z * pxy1[i]
- - (1 - x) * ((1 - y) * p00z[i] + y * p01z[i])
- - x * ((1 - y) * p10z[i] + y * p11z[i])
- - (1 - y) * ((1 - z) * px00[i] + z * px01[i])
- - y * ((1 - z) * px10[i] + z * px11[i])
- - (1 - z) * ((1 - x) * p0y0[i] + x * p1y0[i])
- - z * ((1 - x) * p0y1[i] + x * p1y1[i])
- + (1 - x) * ((1 - y) * ((1 - z) * p000[i] + z * p001[i])
- + y * ((1 - z) * p010[i] + z * p011[i]))
- + x * ((1 - y) * ((1 - z) * p100[i] + z * p101[i])
- + y * ((1 - z) * p110[i] + z * p111[i]));
- }
-
- SMDS_MeshNode * node = meshDS->AddNode(X[0], X[1], X[2]);
- np[ijk].node = node;
- meshDS->SetNodeInVolume(node, shapeID);
- }