Changeset 9571 for trunk/MagicSoft/Mars/mgeom

Timestamp:

04/19/10 13:11:19 (15 years ago)

Author:

tbretz

Message:

*** empty log message ***

Location:

trunk/MagicSoft/Mars/mgeom

Files:

• MGeom.cc (modified) (1 diff)
• MGeom.h (modified) (1 diff)

trunk/MagicSoft/Mars/mgeom/MGeom.cc

@@ -158 +158 @@
 // ------------------------------------------------------------------------
 //
+// Return distance squared of center to center of pix:
+//  (fX-pix.fX)^2+(fY-pix.fY)^2
+//
+Float_t MGeom::GetDist2(const MGeom &pix) const
+{
+    const Double_t dx = fX-pix.fX;
+    const Double_t dy = fY-pix.fY;
+    return dx*dx + dy*dy;
+}
+
+// ------------------------------------------------------------------------
+//
 // Return angle defined by the center and the center of pix:
 //  atan2(fX-pix.fX,fY-pix.fY)

trunk/MagicSoft/Mars/mgeom/MGeom.h

@@ -87 +87 @@
     Float_t GetDist() const;
     Float_t GetDist(const MGeom &pix) const;
+    Float_t GetDist2(const MGeom &pix) const;
     Float_t GetAngle(const MGeom &pix) const;