Index: trunk/Mars/hawc/plot_ranger.C
===================================================================
--- trunk/Mars/hawc/plot_ranger.C	(revision 19825)
+++ trunk/Mars/hawc/plot_ranger.C	(revision 19826)
@@ -86,6 +86,4 @@
     zero.SetLineColor(kBlue);
 
-    TGraph *g[4];
-
     TCanvas &c1 = d->AddTab("Bias");
     c1.Divide(2,2);
@@ -113,25 +111,20 @@
     // ------------------------------------------------------------------
 
-    TF1 zero("zero", "0", -1e100, 1e100);
-    zero.SetLineStyle(kDashed);
-    zero.SetLineWidth(1);
-    zero.SetLineColor(kBlue);
+    TCanvas &c2 = d->AddTab("Resolution");
+    c2.Divide(2,2);
 
-    TCanvas &c1 = d->AddTab("Resolution");
-    c1.Divide(2,2);
-
-    c1.cd(1);
+    c2.cd(1);
     c.Draw("Predictions-True:True", "", "prof");
     plot_resolution();
 
-    c1.cd(2);
+    c2.cd(2);
     c.Draw("Predictions-True:Predictions", "", "prof");
     plot_resolution();
 
-    c1.cd(3);
+    c2.cd(3);
     c.Draw("(Predictions-True)/True:True", "", "prof");
     plot_resolution();
 
-    c1.cd(4);
+    c2.cd(4);
     c.Draw("(Predictions-True)/Predictions:Predictions", "", "prof");
     plot_resolution();
@@ -143,5 +136,5 @@
     TIter Next(leaves);
     TObject *o=0;
-    while (o=Next())
+    while ((o=Next()))
     {
         TString name = o->GetName();