Changeset 8756 for trunk/MagicSoft/Mars/mgeom/MGeomCam.cc

Timestamp:

10/13/07 19:56:29 (17 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mgeom/MGeomCam.cc (modified) (1 diff)

trunk/MagicSoft/Mars/mgeom/MGeomCam.cc

@@ -473 +473 @@
     GetNeighbors(arr, pix, r);
 }
+
+// --------------------------------------------------------------------------
+//
+// Return direction of p2 w.r.t. p1. For more details
+// see MGeomPix::GetDirection
+//
+Int_t MGeomCam::GetDirection(UInt_t p1, UInt_t p2) const
+{
+    if (p1>fNumPixels || p2>fNumPixels)
+        return -1;
+
+    return operator[](p1).GetDirection(operator[](p2));
+}
+
+// --------------------------------------------------------------------------
+//
+// Get index of neighbor of pixel idx in direction dir, if existing.
+//
+Int_t MGeomCam::GetNeighbor(UInt_t idx, Int_t dir) const
+{
+    if (idx>fNumPixels)
+        return -1;
+
+    const MGeomPix &pix=operator[](idx);
+
+    //
+    // search for the neighbor in the given direction
+    //
+    int i;
+    for (i=0; i<pix.GetNumNeighbors(); i++)
+        if (GetDirection(idx, pix.GetNeighbor(i))==dir)
+            return pix.GetNeighbor(i);
+
+    return -1;
+}