inline ptree toPTree(MetadataNode const& node)
{
typedef ptree::path_type path;
ptree tree;
tree.put("name", node.name());
tree.put("description", node.description());
tree.put("type", node.type());
tree.put("value", node.value());
MetadataNodeList children = node.children();
for (auto n = children.begin(); n != children.end(); ++n)
{
ptree pnode = toPTree(*n);
if (node.kind() == MetadataType::Array)
{
boost::optional<ptree&> opt =
tree.get_child_optional(path(node.name(), '/'));
if (opt)
opt->push_back(std::make_pair("", pnode));
else
{
tree.push_back(ptree::value_type(node.name(), ptree()));
auto& p = tree.get_child(path(node.name(), '/'));
p.push_back(std::make_pair("", pnode));
}
}
else if (node.name().size())
tree.push_back(std::make_pair(node.name(), pnode));
}
return tree;
}
TEST(Stats, metadata)
{
BOX3D bounds(1.0, 2.0, 3.0, 101.0, 102.0, 103.0);
Options ops;
ops.add("bounds", bounds);
ops.add("count", 1000);
ops.add("mode", "constant");
StageFactory f;
std::unique_ptr<Stage> reader(f.createStage("readers.faux"));
EXPECT_TRUE(reader.get());
reader->setOptions(ops);
Options filterOps;
filterOps.add("dimensions", " , X, Z ");
StatsFilter filter;
filter.setInput(*reader);
filter.setOptions(filterOps);
PointTable table;
filter.prepare(table);
filter.execute(table);
MetadataNode m = filter.getMetadata();
std::vector<MetadataNode> children = m.children("statistic");
auto findNode = [](MetadataNode m,
const std::string name, const std::string val)
{
auto findNameVal = [name, val](MetadataNode m)
{ return (m.name() == name && m.value() == val); };
return m.find(findNameVal);
};
for (auto mi = children.begin(); mi != children.end(); ++mi)
{
if (findNode(*mi, "name", "X").valid())
{
EXPECT_DOUBLE_EQ(mi->findChild("average").value<double>(), 1.0);
EXPECT_DOUBLE_EQ(mi->findChild("minimum").value<double>(), 1.0);
EXPECT_DOUBLE_EQ(mi->findChild("maximum").value<double>(), 1.0);
EXPECT_DOUBLE_EQ(mi->findChild("count").value<double>(), 1000.0);
}
if (findNode(*mi, "name", "Z").valid())
{
EXPECT_DOUBLE_EQ(mi->findChild("average").value<double>(), 3.0);
EXPECT_DOUBLE_EQ(mi->findChild("minimum").value<double>(), 3.0);
EXPECT_DOUBLE_EQ(mi->findChild("maximum").value<double>(), 3.0);
EXPECT_DOUBLE_EQ(mi->findChild("count").value<double>(), 1000.0);
}
}
}
TEST_F(PythonFilterTest, metadata)
{
StageFactory f;
BOX3D bounds(0.0, 0.0, 0.0, 1.0, 1.0, 1.0);
Options ops;
ops.add("bounds", bounds);
ops.add("count", 10);
ops.add("mode", "ramp");
FauxReader reader;
reader.setOptions(ops);
Option source("source", "import numpy\n"
"import sys\n"
"import redirector\n"
"def myfunc(ins,outs):\n"
" global metadata\n"
" #print('before', globals(), file=sys.stderr,)\n"
" metadata = {'name': 'root', 'value': 'a string', 'type': 'string', 'description': 'a description', 'children': [{'name': 'filters.python', 'value': 52, 'type': 'integer', 'description': 'a filter description', 'children': []}, {'name': 'readers.faux', 'value': 'another string', 'type': 'string', 'description': 'a reader description', 'children': []}]}\n"
" # print ('schema', schema, file=sys.stderr,)\n"
" return True\n"
);
Option module("module", "MyModule");
Option function("function", "myfunc");
Options opts;
opts.add(source);
opts.add(module);
opts.add(function);
Stage* filter(f.createStage("filters.python"));
filter->setOptions(opts);
filter->setInput(reader);
PointTable table;
filter->prepare(table);
PointViewSet viewSet = filter->execute(table);
EXPECT_EQ(viewSet.size(), 1u);
PointViewPtr view = *viewSet.begin();
PointLayoutPtr layout(table.layout());
MetadataNode m = table.metadata();
m = m.findChild("filters.python");
MetadataNodeList l = m.children();
EXPECT_EQ(l.size(), 3u);
EXPECT_EQ(l[0].name(), "filters.python");
EXPECT_EQ(l[0].value(), "52");
EXPECT_EQ(l[0].description(), "a filter description");
}
void toJSON(const MetadataNode& m, std::ostream& o)
{
if (m.name().empty())
pdal::subnodesToJSON(m, o, 0);
else if (m.kind() == MetadataType::Array)
pdal::arrayToJSON(m.children(), o, 0);
else
{
o << "{" << std::endl;
pdal::toJSON(m, o, 1);
o << std::endl;
o << "}";
}
o << std::endl;
}