Changeset 3119 in Sophya for trunk/SophyaLib/HiStats

Timestamp:

Dec 21, 2006, 4:43:15 PM (19 years ago)

Author:

cmv

Message:

intro de ReCenterBin/X/Y() cmv 21/12/06

Location:

trunk/SophyaLib/HiStats

Files:

• histos2.cc (modified) (1 diff)
• histos2.h (modified) (1 diff)

trunk/SophyaLib/HiStats/histos2.cc

@@ -205 +205 @@
  memset(mErr2,0,mNxy*sizeof(r_8));
 }
+
+///////////////////////////////////////////////////////////////////
+/*!
+ Recompute XMin (YMin) and XMax (YMax) so that
+ the CENTER of the first bin is exactly XMin (YMin) and
+ the CENTER of the last bin is exactly XMax (YMax).
+ Remember that otherwise
+ XMin (YMin) is the beginning of the first bin
+ and XMax (YMax) is the end of the last bin
+*/
+void Histo2D::ReCenterBinX(void)
+{
+ if(mNx<=1) return;
+ double dx = (mXmax-mXmin)/(mNx-1);
+ mXmin -= dx/2.;
+ mXmax += dx/2.;
+ mWBinx = (mXmax-mXmin)/mNx;
+}
+
+void Histo2D::ReCenterBinY(void)
+{
+ if(mNy<=1) return;
+ double dy = (mYmax-mYmin)/(mNy-1);
+ mYmin -= dy/2.;
+ mYmax += dy/2.;
+ mWBiny = (mYmax-mYmin)/mNy;
+}
+
+void Histo2D::ReCenterBin(void)
+{
+ ReCenterBinX();
+ ReCenterBinY();
+}
+
 
 ///////////////////////////////////////////////////////////////////

trunk/SophyaLib/HiStats/histos2.h

@@ -37 +37 @@
 
   // OPTIONS
-  void Errors();  
-  
+  void Errors();
+  void ReCenterBinX(void);
+  void ReCenterBinY(void);
+  void ReCenterBin(void);
+
   // UPDATING
   void Zero();