visit_handle
SimGetCurve(const char *name, void *cbdata)
{
int h = VISIT_INVALID_HANDLE;
simulation_data *sim = (simulation_data *)cbdata;
if(strcmp(name, "sine") == 0)
{
if(VisIt_CurveData_alloc(&h) != VISIT_ERROR)
{
visit_handle hxc, hyc;
/* Give the arrays to VisIt. VisIt will free them. */
VisIt_VariableData_alloc(&hxc);
VisIt_VariableData_alloc(&hyc);
VisIt_VariableData_setDataF(hxc, VISIT_OWNER_SIM, 1, NPTS, sim->x);
VisIt_VariableData_setDataF(hyc, VISIT_OWNER_SIM, 1, NPTS, sim->y);
VisIt_CurveData_setCoordsXY(h, hxc, hyc);
}
}
return h;
}
visit_handle Simulation:: get_curve( const string &name ) const
{
visit_handle h = VISIT_INVALID_HANDLE;
if( strncmp(name.c_str(),"bubble",6) == 0 )
{
const size_t id = strconv::to_size( name.c_str()+6, "bubble id");
assert(id>0);
assert(id<=bubbles.count());
const Bubble *b = bubbles.first();
for(size_t iter=1;iter<id;++iter) b=b->next;
assert(b);
if( VisIt_CurveData_alloc(&h) == VISIT_OKAY )
{
// copy bubble spots coordinates
const size_t bn = b->size+1;
vector<Real> bx(bn,0);
vector<Real> by(bn,0);
const Tracer *p = b->root;
for( size_t i=1; i <= bn; ++i,p=p->next)
{
bx[i] = p->vertex.x;
by[i] = p->vertex.y;
}
// make a curve
visit_handle hcx,hcy;
VisIt_VariableData_alloc( &hcx );
VisIt_VariableData_alloc( &hcy );
VisIt_VariableData_setDataD(hcx, VISIT_OWNER_COPY, 1, bn, bx());
VisIt_VariableData_setDataD(hcy, VISIT_OWNER_COPY, 1, bn, by());
VisIt_CurveData_setCoordsXY(h, hcx, hcy);
}
}
if( name == "junctions" )
{
if( VisIt_CurveData_alloc(&h) == VISIT_OKAY )
{
// copy juntions coordinates
const size_t nj = segmenter.num_junctions();
vector<Real> jx(nj,0);
vector<Real> jy(nj,0);
const Segments &segments = segmenter();
for( size_t i=segments.size(),j=1;i>0;--i)
{
const Segment &seg = *segments[i];
for( const Junction *J = seg.head;J;J=J->next)
{
assert(j<=nj);
jx[j] = J->vertex.x;
jy[j] = J->vertex.y;
++j;
}
}
// make a curve
visit_handle hcx,hcy;
VisIt_VariableData_alloc( &hcx );
VisIt_VariableData_alloc( &hcy );
VisIt_VariableData_setDataD(hcx, VISIT_OWNER_COPY, 1, nj, jx());
VisIt_VariableData_setDataD(hcy, VISIT_OWNER_COPY, 1, nj, jy());
VisIt_CurveData_setCoordsXY(h, hcx, hcy);
}
}
return h;
}
