fix strip geo bug and new uRwell position

JeffersonLab · Sep 17, 2023 · ab6d223 · ab6d223
1 parent 5b7d6e1
commit ab6d223
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Showing 2 changed files with 38 additions and 4 deletions.
diff --git a/common-tools/clas-jcsg/src/main/java/org/jlab/detector/geant4/v2/URWELL/URWellConstants.java b/common-tools/clas-jcsg/src/main/java/org/jlab/detector/geant4/v2/URWELL/URWellConstants.java
@@ -43,7 +43,7 @@ public class URWellConstants {
            "support_skin1_g10", "support_honeycomb_nomex", "support_skin2_g10"};
 
     // URWELL position in the CLAS12 frame 
-    public final static double TGT2DC0    = 228.078; // cm            
+    public final static double TGT2DC0    = 230.078; // cm            
    // public final static double URWELL2DC0 = 2;       // cm
     public final static double URWELL2DC0[] = new double[NMAXREGIONS];
     public final static double DIST2TGT[] = new double[NMAXREGIONS];
@@ -116,7 +116,7 @@ public static synchronized void load( DatabaseConstantProvider cp )
 
              for (int i=0; i<NMAXREGIONS; i++){
 
-                URWELL2DC0[NMAXREGIONS-i-1] =  2+i*2;
+                URWELL2DC0[NMAXREGIONS-i-1] =  2.2+i*2;
                 DIST2TGT[NMAXREGIONS-i-1]   = (TGT2DC0-URWELL2DC0[NMAXREGIONS-i-1]);
                 W2TGT[NMAXREGIONS-i-1] = DIST2TGT[NMAXREGIONS-i-1]/Math.cos(Math.toRadians(THTILT-THMIN));
                 YMIN[NMAXREGIONS-i-1]= W2TGT[NMAXREGIONS-i-1]*Math.sin(Math.toRadians(THMIN)); // distance from the base chamber1 and beamline

diff --git a/...-tools/clas-jcsg/src/main/java/org/jlab/detector/geant4/v2/URWELL/URWellStripFactory.java b/...-tools/clas-jcsg/src/main/java/org/jlab/detector/geant4/v2/URWELL/URWellStripFactory.java
@@ -208,7 +208,7 @@ private Line3d createStrip(int sector, int layer, int strip) {
 
         //strip straight line chamber reference frame -> y = mx +c; 
         double stereoAngle = URWellConstants.STEREOANGLE;
-        if (layer % 2 == 0) {
+        if (layer % 2 != 0) {
             stereoAngle = -URWellConstants.STEREOANGLE;
         }
         double m = Math.tan(Math.toRadians(stereoAngle));
@@ -252,6 +252,32 @@ private Line3d createStrip(int sector, int layer, int strip) {
         }
     }
 
+     /**
+     * Provides the given strip line in the Chamber local frame
+     * @param region (1-2)
+     * @param sector (1-6)
+     * @param layer (1-4)
+     * @param strip (1-N)
+     * @return the 3D strip line as a Line3d
+     */
+
+    private Line3d getChamberStrip(int region, int sector, int chamber, int layer, int strip) {
+
+
+        Line3d globalStrip = createStrip(sector, layer, strip);
+        Geant4Basic chamberVolume = factory.getChamberVolume(sector, chamber, layer, isProto);
+
+        Vector3d origin = chamberVolume.getGlobalTransform().invert().transform(globalStrip.origin());
+        Vector3d end    = chamberVolume.getGlobalTransform().invert().transform(globalStrip.end());
+
+        Line3d localStrip = new Line3d(origin, end);
+
+
+        return localStrip;
+    }
+
+
+
     /**
      * Provides the given strip line in the sector local frame
      * @param sector (1-6)
@@ -411,11 +437,19 @@ public static void main(String[] args) {
 
         URWellGeant4Factory factory = new URWellGeant4Factory(cp,true,2);
 
-        URWellStripFactory factory2 = new URWellStripFactory(cp,false,1);
+        URWellStripFactory factory2 = new URWellStripFactory(cp,true,1);
 
         Plane3D plane = factory2.getPlane(6, 1, 200);
         System.out.println(plane.toString());
 
+       int strip =20;
+        System.out.println((strip) + " " + factory2.getLocalStripId(strip) + "\n" + factory2.getChamberStrip(1, 6,1,2,strip)) ; 
+
+
+    // for(int istrip=0; istrip<factory2.getNStripSector(); istrip++)  {
+        //    System.out.println((istrip+1) + " " + factory2.getChamberIndex(istrip+1) + "\n" + factory2.getStrip(1, 1, istrip+1) + "\n" + factory2.getStrip(1, 2, istrip+1));
+       // }
+
 
     }