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#include <boost/filesystem.hpp>
#include <casacore/ms/MeasurementSets/MeasurementSet.h>
#include <casacore/tables/TaQL/TableParse.h>
#include <casacore/tables/Tables/ArrColDesc.h>
#include <casacore/tables/Tables/ArrayColumn.h>
#include <casacore/tables/Tables/ColumnDesc.h>
#include <casacore/tables/Tables/ScaColDesc.h>
#include <casacore/tables/Tables/ScalarColumn.h>
#include <casacore/tables/Tables/SetupNewTab.h>
#include <casacore/tables/Tables/TableColumn.h>
#include "purify/casacore.h"
#include "purify/directories.h"
#include "purify/types.h"
#include "purify/utilities.h"
#include "catch.hpp"
using namespace ::casacore;
using namespace purify::notinstalled;
TEST_CASE("Casacore") {
// create the table descriptor
casa::TableDesc simpleDesc = casa::MS::requiredTableDesc();
// set up a new table
casa::SetupNewTable newTab("simpleTab", simpleDesc, casa::Table::New);
// create the MeasurementSet
casa::MeasurementSet simpleMS(newTab);
// now we need to define all required subtables
// the following call does this for us if we don't need to
// specify details of Storage Managers for columns.
simpleMS.createDefaultSubtables(casa::Table::New);
// fill MeasurementSet via its Table interface
// For example, construct one of the columns
casa::TableColumn feed(simpleMS, casa::MS::columnName(casa::MS::FEED1));
casa::uInt rownr = 0;
// add a row
simpleMS.addRow();
// set the values in that row, e.g. the feed column
feed.putScalar(rownr, 1);
// Access a subtable
casa::ArrayColumn<casa::Double> antpos(simpleMS.antenna(),
casa::MSAntenna::columnName(casa::MSAntenna::POSITION));
simpleMS.antenna().addRow();
casa::Array<casa::Double> position(casa::IPosition(1, 3));
position(casa::IPosition(1, 0)) = 1.;
position(casa::IPosition(1, 1)) = 2.;
position(casa::IPosition(1, 2)) = 3.;
antpos.put(0, position);
}
class TmpPath {
public:
TmpPath()
: path_(boost::filesystem::unique_path(boost::filesystem::temp_directory_path()
/ "%%%%-%%%%-%%%%-%%%%.ms")) {}
~TmpPath() {
if(boost::filesystem::exists(path()))
boost::filesystem::remove_all(path());
}
boost::filesystem::path const &path() const { return path_; }
private:
boost::filesystem::path path_;
};
class TmpMS : public TmpPath {
public:
TmpMS() : TmpPath() {
casa::TableDesc simpleDesc = casa::MS::requiredTableDesc();
casa::SetupNewTable newTab(path().string(), simpleDesc, casa::Table::New);
ms_.reset(new casa::MeasurementSet(newTab));
ms_->createDefaultSubtables(casa::Table::New);
}
casa::MeasurementSet const &operator*() const { return *ms_; }
casa::MeasurementSet &operator*() { return *ms_; }
casa::MeasurementSet const *operator->() const { return ms_.get(); }
casa::MeasurementSet *operator->() { return ms_.get(); }
protected:
std::unique_ptr<casa::MeasurementSet> ms_;
};
TEST_CASE("Size/Number of channels") {
CHECK(purify::casa::MeasurementSet(purify::notinstalled::ngc3256_ms()).size() == 128);
}
TEST_CASE("Single channel") {
namespace pc = purify::casa;
auto const ms = pc::MeasurementSet(purify::notinstalled::ngc3256_ms());
SECTION("Check channel validity") {
CHECK(not pc::MeasurementSet::const_iterator::value_type(0, ms).is_valid());
CHECK(pc::MeasurementSet::const_iterator::value_type(17, ms).is_valid());
}
SECTION("Raw UVW") {
auto const channel = pc::MeasurementSet::const_iterator::value_type(17, ms);
REQUIRE(channel.size() == 141059);
auto const u = channel.raw_u();
REQUIRE(u.size() == 141059);
CHECK(std::abs(u[0] + 48.184256396979784) < 1e-8);
CHECK(std::abs(u[20000] + 34.078338234565763) < 1e-8);
auto const v = channel.raw_v();
REQUIRE(v.size() == 141059);
CHECK(std::abs(v[0] + 2.8979287890493985) < 1e-8);
CHECK(std::abs(v[20000] - 45.856539171696184) < 1e-8);
}
SECTION("Raw frequencies") {
auto const f0 = pc::MeasurementSet::const_iterator::value_type(0, ms).raw_frequencies();
CHECK(f0.size() == 4);
CHECK(std::abs(f0(0) - 113211987500.0) < 1e-1);
CHECK(std::abs(f0(1) - 111450812500.10001) < 1e-4);
auto const f17 = pc::MeasurementSet::const_iterator::value_type(17, ms).raw_frequencies();
CHECK(f17.size() == 4);
CHECK(std::abs(f17(0) - 113477612500.0) < 1e-1);
CHECK(std::abs(f17(1) - 111716437500.10001) < 1e-4);
}
SECTION("data desc id") {
REQUIRE(pc::MeasurementSet::const_iterator::value_type(0, ms).data_desc_id().size() == 0);
REQUIRE(pc::MeasurementSet::const_iterator::value_type(17, ms).data_desc_id().size() == 141059);
}
SECTION("I") {
using namespace purify;
auto const I = pc::MeasurementSet::const_iterator::value_type(17, ms).I();
REQUIRE(I.size() == 141059);
CHECK(std::abs(I(0) - t_complex(-0.30947005748748779, -0.10632525384426117)) < 1e-12);
CHECK(std::abs(I(10) - t_complex(0.31782057881355286, 0.42863702774047852)) < 1e-12);
REQUIRE(pc::MeasurementSet::const_iterator::value_type(0, ms).I().size() == 0);
}
SECTION("wI") {
using namespace purify;
auto const wI = pc::MeasurementSet::const_iterator::value_type(17, ms).wI();
REQUIRE(wI.size() == 141059);
CAPTURE(wI.head(5).transpose());
CHECK(wI.isApprox(0.5 * purify::Vector<t_real>::Ones(wI.size())));
}
SECTION("frequencies") {
using namespace purify;
auto const f = pc::MeasurementSet::const_iterator::value_type(17, ms).frequencies();
REQUIRE(f.size() == 141059);
CHECK(std::abs(f(0) - 113477612500.0) < 1e-0);
CHECK(std::abs(f(1680) - 111716437500.10001) < 1e-0);
CHECK(std::abs(f(3360) - 101240562499.89999) < 1e-0);
CHECK(std::abs(f(5040) - 102785237500.0) < 1e-0);
}
}
TEST_CASE("Measurement channel") {
using namespace purify;
REQUIRE(not purify::casa::MeasurementSet(purify::notinstalled::ngc3256_ms())[0].is_valid());
auto const channel = purify::casa::MeasurementSet(purify::notinstalled::ngc3256_ms())[17];
REQUIRE(channel.is_valid());
auto const I = channel.I();
REQUIRE(I.size() == 141059);
CHECK(std::abs(I(0) - t_complex(-0.30947005748748779, -0.10632525384426117)) < 1e-12);
CHECK(std::abs(I(10) - t_complex(0.31782057881355286, 0.42863702774047852)) < 1e-12);
}
TEST_CASE("Channel iteration") {
std::vector<int> const valids{
17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34,
35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88,
89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106,
107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124};
auto const ms = purify::casa::MeasurementSet(purify::notinstalled::ngc3256_ms());
auto i_channel = ms.begin();
auto const i_end = ms.end();
for(; i_channel < i_end; i_channel += 10) {
CHECK(i_channel->channel() < 128);
bool const is_valid
= std::find(valids.begin(), valids.end(), i_channel->channel()) != valids.end();
CHECK(is_valid == i_channel->is_valid());
}
}
// TEST_CASE("Read Measurement") {
// purify::utilities::vis_params const vis_file =
// purify::utilities::read_visibility(vla_filename("at166B.3C129.c0I.vis"));
// purify::utilities::vis_params const ms_file =
// purify::casa::read_measurementset(vla_filename("at166B.3C129.c0.ms"),
// purify::casa::MeasurementSet::ChannelWrapper::polarization::I);
//
// REQUIRE(vis_file.u.size() == ms_file.u.size());
//
// CHECK(vis_file.u.isApprox(ms_file.u, 1e-6));
// CHECK(vis_file.v.isApprox(ms_file.v, 1e-6));
// CHECK(vis_file.vis.isApprox(ms_file.vis, 1e-6));
// purify::utilities::vis_params const ms_fileLL =
// purify::casa::read_measurementset(vla_filename("at166B.3C129.c0.ms"),
// purify::casa::MeasurementSet::ChannelWrapper::polarization::LL);
// purify::utilities::vis_params const ms_fileRR =
// purify::casa::read_measurementset(vla_filename("at166B.3C129.c0.ms"),
// purify::casa::MeasurementSet::ChannelWrapper::polarization::RR);
// purify::Vector<purify::t_complex> const weights = (1./(1./ms_fileLL.weights.array() +
// 1./ms_fileRR.weights.array())).matrix();
// CHECK(vis_file.weights.real().isApprox(weights.real(), 1e-6));
// }
TEST_CASE("Direction") {
auto const ms = purify::casa::MeasurementSet(purify::notinstalled::ngc3256_ms());
auto const direction = ms.direction();
auto const right_ascension = ms.right_ascension();
auto const declination = ms.declination();
CHECK(std::abs(right_ascension - 2.7395560603928995) < 1e-8);
CHECK(std::abs(declination + 0.76628680808811045) < 1e-8);
CHECK(std::abs(direction[0] - 2.7395560603928995) < 1e-8);
CHECK(std::abs(direction[1] + 0.76628680808811045) < 1e-8);
}
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