Changeset 959 for trunk/MagicSoft/Mars/mhist/MHHillas.cc

Timestamp:

10/02/01 14:46:56 (23 years ago)

Author:

tbretz

Message:

*** empty log message ***

File:

• trunk/MagicSoft/Mars/mhist/MHHillas.cc (modified) (1 diff)

trunk/MagicSoft/Mars/mhist/MHHillas.cc

@@ -132 +132 @@
 void MHHillas::Draw(Option_t *)
 {
+    if (!gPad)
+    {
+        if (!gROOT->GetMakeDefCanvas())
+            return;
+        (gROOT->GetMakeDefCanvas())();
+    }
 
-    //
-    // Fixme! Check for an existing canvas.
-    // And create one if no canvas exists only!
-    //
-    TCanvas *c = new TCanvas("Hillas", "Histograms of Hillas Parameters");
-    c->Divide(2,2);
+    //TCanvas *c = new TCanvas("Hillas", "Histograms of Hillas Parameters");
+    gPad->Divide(2,2);
 
-    c->cd(1);
+    gPad->cd(1);
     fAlpha->Draw();
 
-    c->cd(2);
+    gPad->cd(2);
     fLength->Draw();
 
-    c->cd(3);
+    gPad->cd(3);
     fDist->Draw();
 
-    c->cd(4);
+    gPad->cd(4);
     fWidth->Draw();
 
-    c->Modified();
-    c->Update();
+    gPad->Modified();
+    gPad->Update();
 }