/**
* createOneDetectorInstrument, creates the most simple possible definition of an instrument in which we can extract a valid L1 and L2 distance for unit calculations.
*
* Beam direction is along X,
* Up direction is Y
*
* @param sourcePos : V3D position
* @param samplePos : V3D sample position
* @param detectorPos : V3D detector position
* @return Instrument generated.
*/
Geometry::Instrument_sptr createMinimalInstrument(const Mantid::Kernel::V3D& sourcePos, const Mantid::Kernel::V3D& samplePos, const Mantid::Kernel::V3D& detectorPos )
{
Instrument_sptr instrument = boost::make_shared<Instrument>();
instrument->setReferenceFrame(
boost::make_shared<ReferenceFrame>(Mantid::Geometry::Y /*up*/, Mantid::Geometry::X /*along*/, Left, "0,0,0"));
// A source
ObjComponent *source = new ObjComponent("source");
source->setPos(sourcePos);
source->setShape(createSphere(0.01 /*1cm*/, V3D(0,0,0), "1"));
instrument->add(source);
instrument->markAsSource(source);
// A sample
ObjComponent *sample = new ObjComponent("some-surface-holder");
sample->setPos(samplePos);
sample->setShape(createSphere(0.01 /*1cm*/, V3D(0,0,0), "1"));
instrument->add(sample);
instrument->markAsSamplePos(sample);
// A detector
Detector *det = new Detector("point-detector", 1 /*detector id*/, NULL);
det->setPos(detectorPos);
det->setShape(createSphere(0.01 /*1cm*/, V3D(0,0,0), "1"));
instrument->add(det);
instrument->markAsDetector(det);
return instrument;
}
Geometry::Instrument_sptr
createVirtualInstrument(Kernel::V3D sourcePos, Kernel::V3D samplePos,
const std::vector<Kernel::V3D> &vecdetpos,
const std::vector<detid_t> &vecdetid) {
Instrument_sptr instrument = boost::make_shared<Instrument>();
instrument->setReferenceFrame(
boost::make_shared<ReferenceFrame>(Mantid::Geometry::Y /*up*/, Mantid::Geometry::Z /*along*/, Right, "0,0,0"));
// A source
ObjComponent *source = new ObjComponent("source");
source->setPos(sourcePos);
source->setShape(createSphere(0.01 /*1cm*/, V3D(0,0,0), "1"));
instrument->add(source);
instrument->markAsSource(source);
// A sample
ObjComponent *sample = new ObjComponent("some-surface-holder");
sample->setPos(samplePos);
sample->setShape(createSphere(0.01 /*1cm*/, V3D(0,0,0), "1"));
instrument->add(sample);
instrument->markAsSamplePos(sample);
// A detector
size_t numdets = vecdetpos.size();
for (size_t i = 0; i < numdets; ++i)
{
Detector *det = new Detector("point-detector", vecdetid[i] /*detector id*/, NULL);
det->setPos(vecdetpos[i]);
// FIXME - should be cubi... pixel
det->setShape(createSphere(0.01 /*1cm*/, V3D(0,0,0), "1"));
instrument->add(det);
instrument->markAsDetector(det);
}
return instrument;
}