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| struct OutputVTK {
scalar * list;
FILE * fp;
double box[2][2];
};
void output_vtk (struct OutputVTK ov)
{
scalar * list = ov.list;
FILE * fp = ov.fp;
if (ov.box[0][0] == 0. && ov.box[0][1] == 0. &&
ov.box[1][0] == 0. && ov.box[1][1] == 0.) {
ov.box[0][0] = X0; ov.box[0][1] = Y0;
ov.box[1][0] = X0 + L0; ov.box[1][1] = Y0 + L0;
}
fputs ("# vtk DataFile Version 2.0\n"
"Basilisk\n"
"ASCII\n"
"DATASET UNSTRUCTURED_GRID\n \n", fp);
vertex scalar psi[];
int np=0;
foreach_vertex () {
if (x >= ov.box[0][0] && x <= ov.box[1][0] &&
y >= ov.box[0][1] && y <= ov.box[1][1] ) {
psi[] = np;
np++;
}
}
fprintf (fp, "POINTS %d double\n", np);
foreach_vertex () {
if (x >= ov.box[0][0] && x <= ov.box[1][0] &&
y >= ov.box[0][1] && y <= ov.box[1][1] )
fprintf (fp, "%g %g 0\n", x, y);
}
fprintf (fp, "\n");
int ncells=0;
foreach () {
if ( (x - Delta) >= ov.box[0][0] && (x + Delta) <= ov.box[1][0] &&
(y - Delta) >= ov.box[0][1] && (y + Delta) <= ov.box[1][1] )
ncells++;
}
fprintf (fp, "CELLS %i %i \n", ncells, ncells*5);
foreach () {
if ( (x - Delta) >= ov.box[0][0] && (x + Delta) <= ov.box[1][0] &&
(y - Delta) >= ov.box[0][1] && (y + Delta) <= ov.box[1][1] )
fprintf (fp, "4 %i %i %i %i \n", (int) psi[0,0], (int) psi[0,1], (int) psi[1,0], (int) psi[1,1]);
}
fprintf (fp, "\n");
fprintf (fp, "CELL_TYPES %i \n", ncells);
for (int i = 0; i < ncells; i++)
fprintf (fp, "8 \n");
fprintf (fp, "\n");
fprintf (fp, "POINT_DATA %d\n", np);
for (scalar s in list) {
fprintf (fp, "SCALARS %s double\n", s.name);
fputs ("LOOKUP_TABLE default\n", fp);
foreach_vertex ()
if (x >= ov.box[0][0] && x <= ov.box[1][0] &&
y >= ov.box[0][1] && y <= ov.box[1][1] )
fprintf (fp, "%g\n", s[]);
fprintf (fp, "\n");
}
fflush (fp);
}
|
