lcsim/src/org/lcsim/recon/tracking/seedtracker
diff -N MaterialManagerNew.java
--- MaterialManagerNew.java 10 Feb 2011 06:58:29 -0000 1.4
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,743 +0,0 @@
-package org.lcsim.recon.tracking.seedtracker;
-
-import hep.physics.vec.Hep3Vector;
-
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import org.lcsim.detector.IDetectorElement;
-import org.lcsim.detector.IPhysicalVolume;
-import org.lcsim.detector.IPhysicalVolumeNavigator;
-import org.lcsim.detector.IPhysicalVolumePath;
-import org.lcsim.detector.ITransform3D;
-import org.lcsim.detector.PhysicalVolumeNavigator;
-import org.lcsim.detector.PhysicalVolumeNavigatorStore;
-import org.lcsim.detector.PhysicalVolumePath;
-import org.lcsim.detector.material.IMaterial;
-import org.lcsim.detector.solids.Box;
-import org.lcsim.detector.solids.ISolid;
-import org.lcsim.detector.solids.Point3D;
-import org.lcsim.detector.solids.Polycone;
-import org.lcsim.detector.solids.Trd;
-import org.lcsim.detector.solids.Tube;
-import org.lcsim.detector.solids.Polycone.ZPlane;
-import org.lcsim.geometry.Detector;
-import org.lcsim.geometry.Subdetector;
-import org.lcsim.geometry.subdetector.DiskTracker;
-import org.lcsim.geometry.subdetector.MultiLayerTracker;
-import org.lcsim.geometry.subdetector.PolyconeSupport;
-import org.lcsim.geometry.subdetector.SiTrackerBarrel;
-import org.lcsim.geometry.subdetector.SiTrackerEndcap;
-import org.lcsim.geometry.subdetector.SiTrackerEndcap2;
-
-/**
- * Rewrite and refactor of Rich's {@link MaterialManager} class to handle Subdetector types.
- * This class should now group together SiTrackerEndcap2 layers correctly.
- *
- * @author Jeremy McCormick
- * @version $Id: MaterialManagerNew.java,v 1.4 2011/02/10 06:58:29 jeremy Exp $
- */
-public class MaterialManagerNew
-{
- // Variables from original MaterialManager class.
- private static final boolean DEBUG = true; // enable debug output
- private static final boolean TUBE_ONLY = false; // only use Tube elements
- // for calculating volume.
- private List<MaterialPolyconeSegment> _matpc = new ArrayList<MaterialPolyconeSegment>();
- private List<MaterialCylinder> _matcyl = new ArrayList<MaterialCylinder>();
- private List<MaterialDisk> _matdsk = new ArrayList<MaterialDisk>();
- private HashMap<ISolid, Double> solid_vol_map = new HashMap<ISolid, Double>(400);
- private static double _rmax;
- private static double _zmax = 1800.;
-
- /**
- * VolumeGroup handlers for Subdetector types.
- */
- private Map<Class, SubdetectorVolumeGrouper> subdetGroups = new HashMap<Class, SubdetectorVolumeGrouper>();
-
- /**
- * Interface for getting the path groupings for different Subdetector types.
- */
- private interface SubdetectorVolumeGrouper
- {
- List<List<String>> getPathGroups(Subdetector subdet, IPhysicalVolume topVol);
- }
-
- /**
- * Get the path groupings for barrel Subdetectors with physical layers one level below top. This will handle
- * SiTrackerBarrel and MultiLayerTracker Subdetector types.
- */
- static private class BarrelLayerVolumeGroup implements SubdetectorVolumeGrouper
- {
- public List<List<String>> getPathGroups(Subdetector subdet, IPhysicalVolume topVol)
- {
- List<List<String>> pathGroups = new ArrayList<List<String>>();
- for (IDetectorElement layer : subdet.getDetectorElement().getChildren())
- {
- List<String> layerPaths = new ArrayList<String>();
- String path = "";
- PhysicalVolumeNavigator.getLeafPaths(layerPaths, layer.getGeometry().getPhysicalVolume(), path);
- pathGroups.add(layerPaths);
- }
- return pathGroups;
- }
- }
-
- /**
- * Get the path groups for a PolyconeSupport, which is a single path.
- */
- static private class PolyconeSupportVolumeGrouper implements SubdetectorVolumeGrouper
- {
- public List<List<String>> getPathGroups(Subdetector subdet, IPhysicalVolume topVol)
- {
- List<List<String>> pathGroups = new ArrayList<List<String>>();
- String path = "";
- List<String> supportPath = new ArrayList<String>();
- IPhysicalVolume supportPV =
- subdet.getDetectorElement().getChildren().get(0).getGeometry().getPhysicalVolume();
- PhysicalVolumeNavigator.getLeafPaths(supportPath, supportPV, path);
- pathGroups.add(supportPath);
- return pathGroups;
- }
- }
-
- /**
- * Get the path groups for SiTrackerEndcap2, which has modules placed directly in the tracking volume.
- */
- static private class SiTrackerEndap2VolumeGrouper implements SubdetectorVolumeGrouper
- {
- public List<List<String>> getPathGroups(Subdetector subdet, IPhysicalVolume topVol)
- {
- List<List<String>> pathGroups = new ArrayList<List<String>>();
- // Positive and negative endcap loop.
- for (IDetectorElement endcaps : subdet.getDetectorElement().getChildren())
- {
- // Layer loop.
- for (IDetectorElement layer : endcaps.getChildren())
- {
- List<String> modulePaths = new ArrayList<String>();
- // System.out.println(layer.getName());
-
- // Module loop.
- for (IDetectorElement module : layer.getChildren())
- {
- String path = "";
- PhysicalVolumeNavigator.getLeafPaths(modulePaths, module.getGeometry().getPhysicalVolume(),
- path);
- }
- // Add module paths to this layer.
- pathGroups.add(modulePaths);
- }
- }
- return pathGroups;
- }
- }
-
- /**
- * Default VolumeGroup for endcaps with physical layers.
- */
- static private class EndcapVolumeGrouper implements SubdetectorVolumeGrouper
- {
- public List<List<String>> getPathGroups(Subdetector subdet, IPhysicalVolume topVol)
- {
- List<List<String>> pathGroups = new ArrayList<List<String>>();
- // Positive and negative endcap loop.
- for (IDetectorElement endcaps : subdet.getDetectorElement().getChildren())
- {
- // Layer loop.
- for (IDetectorElement layer : endcaps.getChildren())
- {
- List<String> layerPaths = new ArrayList<String>();
- String path = "";
- PhysicalVolumeNavigator.getLeafPaths(layerPaths, layer.getGeometry().getPhysicalVolume(), path);
- pathGroups.add(layerPaths);
- }
- }
- return pathGroups;
- }
-
- }
-
- /**
- * Creates a new instance of MaterialManager
- */
- public MaterialManagerNew()
- {
- // Barrel VolumeGrouper.
- SubdetectorVolumeGrouper barrelGrouper = new BarrelLayerVolumeGroup();
-
- // Add VolumeGrouper for tracker barrel types.
- subdetGroups.put(SiTrackerBarrel.class, barrelGrouper);
- subdetGroups.put(MultiLayerTracker.class, barrelGrouper);
-
- // Add default endcap VolumeGrouper.
- SubdetectorVolumeGrouper endcapGrouper = new EndcapVolumeGrouper();
- subdetGroups.put(SiTrackerEndcap.class, endcapGrouper);
- subdetGroups.put(DiskTracker.class, endcapGrouper);
-
- // Add VolumeGrouper for SiTrackerEndcap2.
- subdetGroups.put(SiTrackerEndcap2.class, new SiTrackerEndap2VolumeGrouper());
-
- // Add VolumeGrouper for PolyconeSupport.
- subdetGroups.put(PolyconeSupport.class, new PolyconeSupportVolumeGrouper());
- }
-
-
-
- /**
- * Setup tracking volume parameters.
- *
- * @param det The Detector.
- */
- private void setupTrackingVolume(Detector det)
- {
- // Find the envelope of the tracking volume
- ISolid trkvol = det.getTrackingVolume().getLogicalVolume().getSolid();
- if (trkvol instanceof Tube)
- {
- Tube trktube = (Tube)trkvol;
- _rmax = trktube.getOuterRadius();
- _zmax = trktube.getZHalfLength();
- if (DEBUG)
- {
- System.out.println("Ecal radius = " + _rmax);
- System.out.println("ECal inner Z = " + _zmax);
- }
- }
- }
-
- /**
- * Build model using new VolumeGroup interface for each Subdetector type.
- */
- public void buildModel(Detector det)
- {
- // Get the default navigator.
- IPhysicalVolumeNavigator nav = PhysicalVolumeNavigatorStore.getInstance().getDefaultNavigator();
-
- // Get the tracking volume.
- IPhysicalVolume trackingVol = det.getTrackingVolume();
-
- // Loop over subdetectors.
- for (Subdetector subdet : det.getSubdetectorList())
- {
- // Only look at Subdetectors in the tracking region.
- if (subdet.isInsideTrackingVolume())
- {
- if (DEBUG)
- {
- System.out.println();
- System.out.println(">>>> " + subdet.getName() + " >>>>");
- }
-
- // Get the VolumeGrouper for this type.
- SubdetectorVolumeGrouper subdetGrouper = subdetGroups.get(subdet.getClass());
-
- // Can't handle this type.
- if (subdetGrouper == null)
- {
- System.out.println("WARNING: Can't handle Subdetector of type <"
- + subdet.getClass().getCanonicalName() + ">.");
- }
- else
- {
- if (DEBUG)
- {
- System.out.println("Found VolumeGrouper <" + subdetGrouper.getClass().getName() + ">.");
- }
-
- // Make the list of path groups for this Subdetector.
- List<List<String>> pathGroups = subdetGrouper.getPathGroups(subdet, trackingVol);
-
- if (DEBUG)
- {
- System.out.println("Got " + pathGroups.size() + " path groups.");
- }
-
- // Loop over path groups.
- for (List<String> pathGroup : pathGroups)
- {
- if (DEBUG)
- {
- System.out.println("Adding next " + pathGroup.size() + " paths.");
- }
-
- // Make the UniquePV list expected by MaterialManager.
- List<UniquePV> uniqPVs = makeUniquePVList(nav, trackingVol, pathGroup);
-
- // Calculate VolumeGroupInfo for this path group.
- VolumeGroupInfo vgi = performVolumeGroupCalculations(uniqPVs);
-
- // Debug print.
- if (DEBUG)
- {
- System.out.println("VolumeGroupInfo ...");
- System.out.println(" rmax = " + vgi.rmax);
- System.out.println(" rmin = " + vgi.rmin);
- System.out.println(" zmin = " + vgi.zmin);
- System.out.println(" zmax = " + vgi.zmax);
- System.out.println(" X0 = " + vgi.X0);
- System.out.println(" weighted_r = " + vgi.weighted_r);
- System.out.println(" weighted_z = " + vgi.weighted_z);
- System.out.println(" vtot_tube_only = " + vgi.vtot_tube_only);
- System.out.println(" vtot = " + vgi.vtot);
- }
-
- // Add the VolumeGroupInfo, which will setup the
- // material representation for this set of volumes.
- addVolumeGroupInfo(uniqPVs, vgi);
- }
- }
- }
- }
-
- // Setup the tracking volume.
- setupTrackingVolume(det);
- }
-
- /**
- * Calculates the VolumeGroupInfo for a set of {@link UniquePV} objects.
- * @param uniqPVs
- * @param vgi
- */
- private void addVolumeGroupInfo(List<UniquePV> uniqPVs, VolumeGroupInfo vgi)
- {
- double vtot;
- if (TUBE_ONLY)
- {
- vtot = vgi.vtot_tube_only;
- }
- else
- {
- vtot = vgi.vtot;
- }
-
- // Handle Polycone.
- if (uniqPVs.get(0).getPV().getLogicalVolume().getSolid() instanceof Polycone)
- {
- handlePolycone(uniqPVs.get(0).getPV());
- }
-
- if (vtot > 0.)
- {
-
- // Calculate the average radiation length for this volume
-
- // Determine if this volume should be modeled as barrel or disk
- if (isCylinder(vgi.rmin, vgi.rmax, vgi.zmin, vgi.zmax))
- {
- // Calculate the weighted radius of the elements
- double zlen = vgi.zmax - vgi.zmin;
- double thickness = vtot / (2. * Math.PI * vgi.weighted_r * zlen * vgi.X0);
-
- /*
- * if (DEBUG) { System.out.println(pvtree.getName()); System.out.println("x0: " + vgi.X0 + "| zmin: " +
- * vgi.zmin + "| zmax: " + vgi.zmax + "| vtot: " + vtot + "| thickness: " + thickness + "| rmin: " +
- * vgi.rmin + "| rmax: " + vgi.rmax); System.out.println(); }
- */
-
- _matcyl.add(new MaterialCylinder(null, vgi.weighted_r, vgi.zmin, vgi.zmax, thickness));
- }
- else
- {
-
- double thickness = vtot / (Math.PI * (vgi.rmax * vgi.rmax - vgi.rmin * vgi.rmin) * vgi.X0);
-
- /*
- * if (DEBUG) { System.out.println(pvtree.getName()); System.out.println("x0: " + vgi.X0 + "| zmin: " +
- * vgi.zmin + "| zmax: " + vgi.zmax + "| vtot: " + vtot + "| thickness: " + thickness + "| rmin: " +
- * vgi.rmin + "| rmax: " + vgi.rmax); System.out.println(); }
- */
-
- _matdsk.add(new MaterialDisk(null, vgi.rmin, vgi.rmax, vgi.weighted_z, thickness));
- }
- }
- }
-
- private static List<UniquePV> makeUniquePVList(IPhysicalVolumeNavigator nav, IPhysicalVolume trackingVol,
- List<String> paths)
- {
- List<UniquePV> uniqPVs = new ArrayList<UniquePV>();
- for (String path : paths)
- {
- /**
- * Create the path object, prepending tracking volume name, as the paths are relative to Subdetector.
- */
- IPhysicalVolumePath pvPath = nav.getPath("/" + trackingVol.getName() + path);
-
- /**
- * Create the UniquePV for MaterialManager.
- */
- uniqPVs.add(new UniquePV(pvPath, nav));
- }
- return uniqPVs;
- }
-
- public List<MaterialCylinder> getMaterialCylinders()
- {
- return _matcyl;
- }
-
- public List<MaterialDisk> getMaterialDisks()
- {
- return _matdsk;
- }
-
- public List<MaterialPolyconeSegment> getMaterialPolyconeSegments()
- {
- return _matpc;
- }
-
- public static double getRMax()
- {
- return _rmax;
- }
-
- public static double getZMax()
- {
- return _zmax;
- }
-
- private boolean isCylinder(double rmin, double rmax, double zmin, double zmax)
- {
- return (rmax - rmin) * Math.abs(zmax + zmin) < (zmax - zmin) * (rmax + rmin);
- }
-
- // special handling for Polycone...
- private void handlePolycone(IPhysicalVolume pv)
- {
- Polycone pc = (Polycone)pv.getLogicalVolume().getSolid();
- IMaterial mat = pv.getLogicalVolume().getMaterial();
-
- // Loop through each segment
- for (int i = 0; i < pc.getNumberOfZPlanes() - 1; i++ )
- {
- ZPlane zp1 = pc.getZPlane(i);
- ZPlane zp2 = pc.getZPlane(i + 1);
-
- double z1 = zp1.getZ();
- double z2 = zp2.getZ();
- double vol = Polycone.getSegmentVolume(zp1, zp2);
- double zlen = Math.abs(z2 - z1);
- double ravg = 0.25 * (zp1.getRMax() + zp1.getRMin() + zp2.getRMax() + zp2.getRMin());
- double ang = Math.atan2(0.5 * (zp1.getRMax() + zp1.getRMin() - zp2.getRMax() - zp2.getRMin()), zlen);
- double X0 = 10 * mat.getRadiationLength() / mat.getDensity();
- double thickness = Math.cos(ang) * vol / (2 * Math.PI * ravg * zlen * X0);
-
- // This is a cylinder
- if (zp1.getRMax() == zp2.getRMax() && zp1.getRMin() == zp2.getRMin())
- {
- _matcyl.add(new MaterialCylinder(pv, ravg, Math.min(z1, z2), Math.max(z1, z2), thickness));
- if (DEBUG)
- {
- System.out.println("Cylindrical segment of " + pv.getName());
- System.out.println("zmin = " + z1 + "| zmax = " + z2 + "| ravg = " + ravg + "| thickness = "
- + thickness);
- }
-
- } // Otherwise this is a non-cylindrical polycone segment
- else
- {
- _matpc.add(new MaterialPolyconeSegment(pv, zp1, zp2, thickness, ang));
- if (DEBUG)
- {
- System.out.println("Non-Cylindrical segment of " + pv.getName());
- System.out.println("ZPlane 1: " + zp1.toString() + "| ZPlane 2: " + zp2.toString()
- + "| thickness = " + thickness);
- }
-
- }
- }
- }
-
- /**
- * A "struct" holding geometry information about a single physical volume
- */
- class VolumeInfo
- {
- double rmax = 0.0;
- double rmin = 1.e10;
- double zmin = 1.e10;
- double zmax = -1.e10;
- }
-
- /**
- * A "struct" holding geometry information about lists of physical volumes
- */
- class VolumeGroupInfo
- {
- double rmax = 0.0;
- double rmin = 1.e10;
- double zmin = 1.e10;
- double zmax = -1.e10;
- double X0 = 0.0;
- double weighted_r = 0.0;
- double weighted_z = 0.0;
- double vtot_tube_only = 0.;
- double vtot = 0.0;
- }
-
- // This function performs all the calculations on lists of physical volumes
- private VolumeGroupInfo performVolumeGroupCalculations(List<UniquePV> volgroup)
- {
-
- VolumeGroupInfo vgi = new VolumeGroupInfo();
-
- // If we have a top-level polycone, don't bother doing anything, because
- // it'll be handled specially
- if (volgroup.size() == 1 && volgroup.get(0).getSolid() instanceof Polycone)
- {
- return vgi;
- }
-
- // The normal case
- double totwgt = 0.0;
- if (DEBUG && volgroup.isEmpty())
- {
- System.out.println("Empty volume group...");
- }
- for (UniquePV pv : volgroup)
- {
-
- // increment total volume
- double vol = this.getVolumeOfSolid(pv.getSolid());
- if (pv.getSolid() instanceof Tube)
- {
- vgi.vtot_tube_only += vol;
- }
- vgi.vtot += vol;
- // calculate weighted R / Z / Radiation Length
- VolumeInfo vi = performVolumeCalculations(pv);
- IMaterial mat = pv.getPV().getLogicalVolume().getMaterial();
- double matX0 = 10.0 * mat.getRadiationLength() / mat.getDensity();
- double wgt = vol / matX0;
- double z0 = pv.getLtoGTransform().getTranslation().z();
- vgi.weighted_r += 0.5 * (vi.rmin + vi.rmax) * wgt;
- vgi.weighted_z += z0 * wgt;
- totwgt += wgt;
-
- // grab (z/r)(mins/maxes)
- vgi.zmin = Math.min(vi.zmin, vgi.zmin);
- vgi.zmax = Math.max(vi.zmax, vgi.zmax);
- vgi.rmin = Math.min(vi.rmin, vgi.rmin);
- vgi.rmax = Math.max(vi.rmax, vgi.rmax);
-
- }
-
- // finish weighted R/Z calculations + perform X0 calculation
- if (totwgt > 0.)
- {
- vgi.weighted_r /= totwgt;
- vgi.weighted_z /= totwgt;
- vgi.X0 = vgi.vtot / totwgt;
- }
-
- return vgi;
- }
-
- private double getVolumeOfSolid(ISolid solid)
- {
- if (solid_vol_map.containsKey(solid))
- {
- return solid_vol_map.get(solid).doubleValue();
- }
- else
- {
- double vol;
- try
- {
- vol = solid.getCubicVolume();
- }
- catch (Exception e)
- {
- vol = 0.0;
- }
-
- solid_vol_map.put(solid, vol);
- return vol;
- }
-
- }
-
- private VolumeInfo performVolumeCalculations(UniquePV pv)
- {
-
- VolumeInfo vi = new VolumeInfo();
- ISolid solid = pv.getSolid();
-
- // ASSUMPTION: tube is along z-axis and has center at r = 0
- if (solid instanceof Tube)
- {
- Tube tube = (Tube)solid;
- double z0 = pv.getLtoGTransform().getTranslation().z();
- vi.zmax = z0 + tube.getZHalfLength();
- vi.zmin = z0 - tube.getZHalfLength();
- vi.rmin = tube.getInnerRadius();
- vi.rmax = tube.getOuterRadius();
- }
- else if (solid instanceof Box)
- {
- Box box = (Box)solid;
- for (Point3D p : box.getVertices())
- {
- Hep3Vector transformed = pv.localToGlobal(p.getHep3Vector());
- vi.zmin = Math.min(transformed.z(), vi.zmin);
- vi.zmax = Math.max(transformed.z(), vi.zmax);
- double r = Math.sqrt(transformed.x() * transformed.x() + transformed.y() * transformed.y());
- vi.rmin = Math.min(vi.rmin, r);
- vi.rmax = Math.max(vi.rmax, r);
- }
-
- }
- else if (solid instanceof Trd)
- {
- Trd box = (Trd)solid;
- for (Point3D p : box.getVertices())
- {
- Hep3Vector transformed = pv.localToGlobal(p.getHep3Vector());
- vi.zmin = Math.min(transformed.z(), vi.zmin);
- vi.zmax = Math.max(transformed.z(), vi.zmax);
- double r = Math.sqrt(transformed.x() * transformed.x() + transformed.y() * transformed.y());
- vi.rmin = Math.min(vi.rmin, r);
- vi.rmax = Math.max(vi.rmax, r);
- }
- } // Note: this information will NOT be used most of the time...
- // Polycones that are top-level elements (e.g. the beampipe) are
- // handled specially (since the radiation length is a function of z).
- // The information here will only be used in case a top-level element
- // has a subelement that is a Polycone, in which case it'll be
- // approximated as the smallest possible cylinder.
- else if (solid instanceof Polycone)
- {
- Polycone pc = (Polycone)solid;
- List<Polycone.ZPlane> zplanes = pc.getZPlanes();
-
- // For now, just take the minimum rmin and rmax of the polycone
- for (Polycone.ZPlane z : zplanes)
- {
- if (z.getRMax() > 0 && z.getRMin() > 0)
- {
- vi.rmin = Math.min(vi.rmin, z.getRMin());
- vi.rmax = vi.rmax > 0. ? Math.min(vi.rmax, z.getRMax()) : z.getRMax();
- }
-
- }
-
- vi.zmin = pc.getZPlanes().get(0).getZ();
- vi.zmax = pc.getZPlanes().get(pc.getZPlanes().size() - 1).getZ();
-
- // check for wrong order
- if (vi.zmin > vi.zmax)
- {
- double temp = vi.zmin;
- vi.zmin = vi.zmax;
- vi.zmax = temp;
- }
-
- }
-
- return vi;
- }
-
- /**
- * A UniquePV is a wrapper around IPhysicalVolumePath which provides some convenience methods and caches
- * transformations.
- */
- static class UniquePV
- {
-
- IPhysicalVolumePath path;
- IPhysicalVolumeNavigator nav;
- ITransform3D transform = null;
-
- /**
- * Generates a top-level UniquePV.
- *
- * @param root The top-level IPhysicalVolume
- * @param navigator The IPhysicalVolumeNavigator associated with the detector
- */
- public UniquePV(IPhysicalVolume root, IPhysicalVolumeNavigator navigator)
- {
- path = new PhysicalVolumePath();
- nav = navigator;
- path.add(root);
- }
-
- /**
- * Generates a UniquePV from a path. (Shallow copy of path)
- *
- * @param path
- * @param navigator
- */
- public UniquePV(IPhysicalVolumePath path, IPhysicalVolumeNavigator navigator)
- {
- this.path = path;
- nav = navigator;
- }
-
- /**
- * Returns the IPhysicalVolume (the last element of the path)
- */
- public IPhysicalVolume getPV()
- {
- return path.getLeafVolume();
- }
-
- /**
- * Creates a UniquePV that is a daughter of the current UniquePV (deep copy made)
- *
- * @param daughter
- * @return
- */
- public UniquePV createDaughterUniquePV(IPhysicalVolume daughter)
- {
- IPhysicalVolumePath np = new PhysicalVolumePath();
- np.addAll(path);
- np.add(daughter);
- return new UniquePV(np, nav);
- }
-
- /**
- * Transforms the given vector from local to global coords.
- *
- * @param v the untransformed local Hep3Vector
- * @return the transformed global Hep3Vector
- */
- public Hep3Vector localToGlobal(Hep3Vector v)
- {
-
- return getLtoGTransform().transformed(v);
- }
-
- /**
- * Returns the solid associated with the physical volume.
- *
- * @return
- */
- public ISolid getSolid()
- {
- return this.getPV().getLogicalVolume().getSolid();
- }
-
- /**
- * Returns the local-to-global transform
- *
- * @return an ITransform3D from local coordinates to global coordinates.
- */
- public ITransform3D getLtoGTransform()
- {
- if (transform == null)
- {
- transform = nav.getTransform(path);
- }
- return transform;
- }
-
- @Override
- public String toString()
- {
- return path.toString();
- }
- }
-}
