Changeset 3307 in Sophya for trunk/SophyaLib/HiStats/hist2err.cc

Timestamp:

Aug 22, 2007, 10:26:33 AM (18 years ago)

Author:

cmv

Message:

methode ReCenterBinW binwidth kept, number of bin incresed cmv 22/08/2007

File:

• trunk/SophyaLib/HiStats/hist2err.cc (modified) (3 diffs)

trunk/SophyaLib/HiStats/hist2err.cc

@@ -18 +18 @@
 /*! Constructeur par defaut */
 Histo2DErr::Histo2DErr(void)
-: xmin_(1.), xmax_(-1.), nx_(0), dx_(0.)
-, ymin_(1.), ymax_(-1.), ny_(0), dy_(0.)
-, mMean(0)
+: xmin_(1.), xmax_(-1.), dx_(0.)
+, ymin_(1.), ymax_(-1.), dy_(0.)
+, nx_(0), ny_(0), mMean(0)
 {
 }
@@ -87 +87 @@
  XMin (YMin) is the beginning of the first bin
  and XMax (YMax) is the end of the last bin
+ WARNING: number of bins is kept, bin width is changed
 */
 void Histo2DErr::ReCenterBinX(void)
@@ -110 +111 @@
  ReCenterBinX();
  ReCenterBinY();
+}
+
+/********* Methode *********/
+/*!
+ 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
+ WARNING: bin widths are kept, numbers of bins are increased by 1
+*/
+void Histo2DErr::ReCenterBinW(void)
+{
+ CreateOrResize(xmin_-dx_/2.,xmax_+dx_/2.,nx_+1,ymin_-dy_/2.,ymax_+dy_/2.,ny_+1);
 }