void free_iso_all()
{
set_status_label_info("IsoSurface","Nothing");
if(isopositive) isopositive = iso_free(isopositive);
if(isonegative) isonegative = iso_free(isonegative);
if(isonull) isonull = iso_free(isonull);
RebuildSurf = TRUE;
}
int main() {
/* Function depending only on x variable. */
double u[8] = {0., 0., 0., 0., 1., 1., 1., 1.};
isosurface *iso = marching_tetrahedra(u, 2, 2, 2, 0.5);
size_t n_verts = iso_num_verts(iso);
size_t n_faces = iso_num_faces(iso);
printf("Generated %lu vertices and %lu faces (triangles)\n", n_verts, n_faces);
double (*verts)[3] = iso_verts(iso);
double (*normals)[3] = iso_normals(iso);
uint32_t (*faces)[3] = iso_faces(iso);
int i;
printf("verts:\n");
for (i = 0; i < n_verts; ++i) {
printf("[%f, %f, %f], ", verts[i][0], verts[i][1], verts[i][2]);
}
printf("\n");
printf("normals:\n");
for (i = 0; i < n_verts; ++i) {
printf("[%f, %f, %f], ", normals[i][0], normals[i][1], normals[i][2]);
}
printf("\n");
printf("faces:\n");
for (i = 0; i < n_faces; ++i) {
printf("[%u, %u, %u], ", faces[i][0], faces[i][1], faces[i][2]);
}
printf("\n");
/* Don't forget to free resources after every call to marching_tetrahedra! */
iso_free(iso);
return 0;
}
