Hi, Jayoung, Since your macro file "mygeom.C" is enclosed in a body of function mygeom(), the geometry named "mygeom" is unknown to the interactive ROOT. Instead, it takes "mygeom" as "char*", a pointer to the function mygeom(). You can figure it out via ".p mygeom" to see what ROOT tells you. Commment the line of "void mygeom()" will work. // void mygeom() { ... ... ... } Good luck --Shuwei On Sun, 13 Sep 1998, Jayoung Wu wrote: > > Hi. > I converted an existing GEANT geometry/RZ file into a ROOT macro. > for example > g2root mygeom.rz mygeom.C > > To draw the geometry on Canvas I tried in the following way: > root> c1 = new TCanvas("c1","view configuration",200,10,700,500) > root> .x mygeom.C > root> mygeom.Draw() > root> c1->Update() > > In some reason it does not show any geometry configuration. Just vacant > canvas appears. Do anyone have any suggestion? I will appreciate a lot! > > --- > Thanks, > Jayoung > >
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