have a look at $ROOTSYS/test/hworld.cxx to see how to make a
compiled program that displays histograms and other graphics
(see also hsimple.cxx for an example of a histogram producing
program without graphics).
Cheers. Fons.
>
>
> // Hello!
>
> // These days I tried to use ROOT to draw some histograms like the ones
> // shown at the ROOT webpages. It didn't work...
>
> // Well, it's fine to have a C Interpreter, but I liked to use ROOT's
> // functions in compiled programs. I hoped: some calls, and I have a pic/histogram...
>
> // Why doesn't it work?
> // It compiles w/o problems, but gives no output, esp. no grafical...
> // Didn't I correctly understood the idea of ROOT at all? It seems to work fine
> // via the interpreter (ROOT shell)...
>
> // Sincerly yours, Andre Merzky.
>
> //___________________________________________________________________________
> //TEST.C - Test Root
> //___________________________________________________________________________
>
> #include <stdio.h>
>
> #include "TROOT.h"
> #include "TApplication.h"
> #include "TCanvas.h"
> #include "TPaveLabel.h"
>
>
> //___________________________________________________________________________
> void main (void)
> {
> TROOT blub("Test", "Test of ROOT..."); // btw: where is this call documented?
>
> TCanvas *c1 = new TCanvas("c1");
> c1->Range(0,0,1,1);
>
> TPaveLabel par(0.1,0.8,0.9,0.95,"Example");
> par.SetFillColor(42);
> par.Draw();
>
> return;
> }
>
> // PS.:
>
> // compiled with:
> // CC -I. -I/apps/software/root/include -I/usr/include \
> // +a1 +Z -O -w -c -o test.o test.C
>
> // CC -O -g +a1 -z test.o -o test \
> // -L/apps/software/root/lib \
> // -lBase -lCint -lClib -lCont -lFunc -lGraf -lGraf3d -lHist - \
> // -lHtml -lMeta -lMinuit -lNet -lPostscript -lProof -lTree -lUnix \
> // -lZip -lGpad -lGX11 -lMotif -lWidgets -lX3d
>
>
-- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland Phone: +41 22 7679248 E-Mail: Fons.Rademakers@cern.ch Fax: +41 22 7677910