Changeset 9863 for trunk/Mars/mgeom/MGeomPix.cc

Timestamp:

08/16/10 09:04:57 (14 years ago)

Author:

tbretz

Message:

Moved MGeomCamDwarf::CalcXY to MGeomPix::CalcXY. Removed some obsolete includes.

File:

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

trunk/Mars/mgeom/MGeomPix.cc

@@ -209 +209 @@
 }
 
+// --------------------------------------------------------------------------
+//
+// Calculate in the direction 0-5 (kind of sector) in the ring-th ring
+// the x and y coordinate of the i-th pixel. The unitx are unity,
+// distance to (0,0) is retruned.
+//
+Double_t MGeomPix::CalcXY(Int_t dir, Int_t ring, Int_t i, Double_t &x, Double_t &y)
+{
+    switch (dir)
+    {
+    case kDirCenter: // Center
+        x = 0;
+        y = 0;
+        break;
+
+    case kDirNE: // Direction North East
+        x = ring-i*0.5;
+        y = i*gsSin60;
+        break;
+
+    case kDirN: // Direction North
+        x = ring*0.5-i;
+        y = ring*gsSin60;
+        break;
+
+    case kDirNW: // Direction North West
+        x = -(ring+i)*0.5;
+        y = (ring-i)*gsSin60;
+        break;
+
+    case kDirSW: // Direction South West
+         x = 0.5*i-ring;
+         y = -i*gsSin60;
+         break;
+
+    case kDirS: // Direction South
+         x = i-ring*0.5;
+         y = -ring*gsSin60;
+         break;
+
+    case kDirSE: // Direction South East
+        x = (ring+i)*0.5;
+        y = (-ring+i)*gsSin60;
+        break;
+    }
+    return x*x + y*y;
+}
+
 // ==============================================================================
 /*