bool
avtDatasetExaminer::GetDataExtents(avtDataset_p &ds, double *de,
const char *varname)
{
if (varname == NULL)
{
varname = ds->GetInfo().GetAttributes().GetVariableName().c_str();
}
avtDataTree_p dataTree = ds->dataTree;
bool foundExtents = false;
de[0] = +DBL_MAX;
de[1] = -DBL_MAX;
GetVariableRangeArgs gvra;
gvra.varname = varname;
gvra.extents = de;
if (*dataTree != NULL)
{
dataTree->Traverse(CGetDataExtents, (void *) &gvra, foundExtents);
}
if (!foundExtents)
{
debug1 << "Unable to determine data extents -- dataset needs an "
<< "update" << endl;
}
return foundExtents;
}
bool
avtDatasetExaminer::GetSpatialExtents(avtDataset_p &ds, double *se)
{
avtDataTree_p dataTree = ds->dataTree;
int i;
bool foundExtents = false;
for (i = 0 ; i < 3 ; i++)
{
se[2*i + 0] = +DBL_MAX;
se[2*i + 1] = -DBL_MAX;
}
if ( *dataTree != NULL )
{
// See if we're supposed to apply a transform to any rectilinear grids.
const double *rectXform = NULL;
avtDataAttributes &atts = ds->GetInfo().GetAttributes();
if (atts.GetRectilinearGridHasTransform())
rectXform = atts.GetRectilinearGridTransform();
// Create an info structure with the needed variables.
struct {double *se; const double *xform;} info = { se, rectXform };
dataTree->Traverse(CGetSpatialExtents, &info, foundExtents);
}
if (!foundExtents)
{
debug1 << "Unable to determine spatial extents -- dataset needs an "
<< "update" << endl;
}
return foundExtents;
}
void
avtDatasetExaminer::GetVariableList(avtDataset_p &ds, VarList &vl)
{
avtDataAttributes &atts = ds->GetInfo().GetAttributes();
vl.nvars = atts.GetNumberOfVariables();
vl.varnames.clear();
vl.varsizes.clear();
for (int i = 0 ; i < vl.nvars ; i++)
{
vl.varnames.push_back(atts.GetVariableName(i));
vl.varsizes.push_back(atts.GetVariableDimension(vl.varnames[i].c_str()));
}
}
avtSourceFromAVTDataset::avtSourceFromAVTDataset(avtDataset_p d)
: avtInlinePipelineSource(DataObjectFromDataset(d))
{
tree = d->GetDataTree();
GetTypedOutput()->GetInfo().Copy(d->GetInfo());
}
avtDataset::avtDataset(avtDataset_p in, avtDataTree_p newTree)
: avtDataObject(in->source)
{
info.Copy(in->GetInfo());
dataTree = newTree;
}
avtDataset::avtDataset(avtDataset_p in, bool dontCopyData)
: avtDataObject(in->source)
{
info.Copy(in->GetInfo());
dataTree = new avtDataTree(in->dataTree, dontCopyData);
}