//-------------------------------------------------------------------------------------------------
/// Returns the shape of the Object
const boost::shared_ptr<const Object> RectangularDetector::shape() const
{
// --- Create a cuboid shape for your pixels ----
double szX=m_xpixels;
double szY=m_ypixels;
double szZ=0.5;
std::ostringstream xmlShapeStream;
xmlShapeStream
<< " <cuboid id=\"detector-shape\"> "
<< "<left-front-bottom-point x=\""<<szX<<"\" y=\""<<-szY<<"\" z=\""<<-szZ<<"\" /> "
<< "<left-front-top-point x=\""<<szX<<"\" y=\""<<-szY<<"\" z=\""<<szZ<<"\" /> "
<< "<left-back-bottom-point x=\""<<-szX<<"\" y=\""<<-szY<<"\" z=\""<<-szZ<<"\" /> "
<< "<right-front-bottom-point x=\""<<szX<<"\" y=\""<<szY<<"\" z=\""<<-szZ<<"\" /> "
<< "</cuboid>";
std::string xmlCuboidShape(xmlShapeStream.str());
Geometry::ShapeFactory shapeCreator;
boost::shared_ptr<Geometry::Object> cuboidShape = shapeCreator.createShape(xmlCuboidShape);
return cuboidShape;
}
void FindDetectorsInShape::exec()
{
// Get the input workspace
const MatrixWorkspace_const_sptr WS = getProperty("Workspace");
bool includeMonitors = getProperty("IncludeMonitors");
std::string shapeXML = getProperty("ShapeXML");
//convert into a Geometry object
Geometry::ShapeFactory sFactory;
boost::shared_ptr<Geometry::Object> shape_sptr = sFactory.createShape(shapeXML);
//get the instrument out of the workspace
Instrument_const_sptr instrument_sptr = WS->getInstrument();
//To get all the detector ID's
detid2det_map allDetectors;
instrument_sptr->getDetectors(allDetectors);
std::vector<int> foundDets;
//progress
detid2det_map::size_type objCmptCount = allDetectors.size();
int iprogress_step = static_cast<int>(objCmptCount / 100);
if (iprogress_step == 0) iprogress_step = 1;
int iprogress=0;
//Now go through all
detid2det_map::iterator it;
detid2det_map::const_iterator it_end = allDetectors.end();
for (it = allDetectors.begin(); it != it_end; it++)
{
Geometry::IDetector_const_sptr det = it->second;
//attempt to dynamic cast up to an IDetector
boost::shared_ptr<const Geometry::IDetector> detector_sptr =
boost::dynamic_pointer_cast<const Geometry::IDetector>(it->second);
if (detector_sptr)
{
if ((includeMonitors) || (!detector_sptr->isMonitor()))
{
//check if the centre of this item is within the user defined shape
if (shape_sptr->isValid(detector_sptr->getPos()))
{
//shape encloses this objectComponent
g_log.debug()<<"Detector contained in shape " << detector_sptr->getID() << std::endl;
foundDets.push_back(detector_sptr->getID());
}
}
}
iprogress++;
if (iprogress % iprogress_step == 0)
{
progress(static_cast<double>(iprogress)/static_cast<double>(objCmptCount));
interruption_point();
}
}
setProperty("DetectorList",foundDets);
}